BR8905448A - Processo para preparacao de poli-n-buteno de baixo peso molecular e produto de poli-n-buteno - Google Patents

Processo para preparacao de poli-n-buteno de baixo peso molecular e produto de poli-n-buteno

Info

Publication number
BR8905448A
BR8905448A BR898905448A BR8905448A BR8905448A BR 8905448 A BR8905448 A BR 8905448A BR 898905448 A BR898905448 A BR 898905448A BR 8905448 A BR8905448 A BR 8905448A BR 8905448 A BR8905448 A BR 8905448A
Authority
BR
Brazil
Prior art keywords
butene
poly
preparation
low molecular
product
Prior art date
Application number
BR898905448A
Other languages
English (en)
Inventor
Frank Joung-Yei Chen
Original Assignee
Exxon Chemical Patents Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Exxon Chemical Patents Inc filed Critical Exxon Chemical Patents Inc
Publication of BR8905448A publication Critical patent/BR8905448A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F110/00—Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F110/04—Monomers containing three or four carbon atoms
    • C08F110/08—Butenes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F240/00—Copolymers of hydrocarbons and mineral oils, e.g. petroleum resins
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F10/04—Monomers containing three or four carbon atoms
    • C08F10/08—Butenes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F4/00—Polymerisation catalysts
    • C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/52—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides selected from boron, aluminium, gallium, indium, thallium or rare earths

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Catalysts (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Detergent Compositions (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
BR898905448A 1988-10-26 1989-10-25 Processo para preparacao de poli-n-buteno de baixo peso molecular e produto de poli-n-buteno BR8905448A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/262,918 US4952739A (en) 1988-10-26 1988-10-26 Organo-Al-chloride catalyzed poly-n-butenes process

Publications (1)

Publication Number Publication Date
BR8905448A true BR8905448A (pt) 1990-05-29

Family

ID=22999632

Family Applications (1)

Application Number Title Priority Date Filing Date
BR898905448A BR8905448A (pt) 1988-10-26 1989-10-25 Processo para preparacao de poli-n-buteno de baixo peso molecular e produto de poli-n-buteno

Country Status (9)

Country Link
US (1) US4952739A (pt)
EP (1) EP0367385B1 (pt)
JP (1) JP2670868B2 (pt)
KR (1) KR0136589B1 (pt)
AR (1) AR248285A1 (pt)
BR (1) BR8905448A (pt)
CA (1) CA1323635C (pt)
DE (1) DE68924831T2 (pt)
MX (1) MX172796B (pt)

Families Citing this family (130)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0522057A1 (en) * 1990-03-26 1993-01-13 Exxon Chemical Patents Inc. Improved polybutene process
US5624999A (en) * 1991-03-05 1997-04-29 Exxon Chemical Patents Inc. Manufacture of functionalized polymers
GB9104647D0 (en) * 1991-03-05 1991-04-17 Exxon Chemical Patents Inc Improvements in the production of lubricating or fuel oil additives and intermediates
US5646332A (en) 1992-12-17 1997-07-08 Exxon Chemical Patents Inc. Batch Koch carbonylation process
IL107810A0 (en) 1992-12-17 1994-02-27 Exxon Chemical Patents Inc Functionalized polymers and processes for the preparation thereof
US5444135A (en) * 1992-12-17 1995-08-22 Exxon Chemical Patents Inc. Direct synthesis by living cationic polymerization of nitrogen-containing polymers
US5650536A (en) 1992-12-17 1997-07-22 Exxon Chemical Patents Inc. Continuous process for production of functionalized olefins
TW291486B (pt) * 1992-12-17 1996-11-21 Exxon Chemical Patents Inc
US5643859A (en) 1992-12-17 1997-07-01 Exxon Chemical Patents Inc. Derivatives of polyamines with one primary amine and secondary of tertiary amines
US5334775A (en) * 1993-06-02 1994-08-02 Exxon Chemical Patents Inc. Polymer Alkylation of hydroxyaromatic compounds
EP0645402A1 (en) * 1993-09-24 1995-03-29 Bp Chemicals S.N.C. Polybutenes
DE69503377T2 (de) * 1994-06-17 1998-10-29 Exxon Chemical Patents Inc Schmieröldispergiermittel abgeleitet von schweren polyaminen
US5767046A (en) 1994-06-17 1998-06-16 Exxon Chemical Company Functionalized additives useful in two-cycle engines
US5936041A (en) * 1994-06-17 1999-08-10 Exxon Chemical Patents Inc Dispersant additives and process
CA2191483C (en) * 1994-07-11 2003-02-25 Antonio Gutierrez Lubricating oil succinimide dispersants derived from heavy polyamine
US5565128A (en) * 1994-10-12 1996-10-15 Exxon Chemical Patents Inc Lubricating oil mannich base dispersants derived from heavy polyamine
US5652202A (en) * 1995-08-15 1997-07-29 Exxon Chemical Patents Inc. Lubricating oil compositions
US5558802A (en) * 1995-09-14 1996-09-24 Exxon Chemical Patents Inc Multigrade crankcase lubricants with low temperature pumpability and low volatility
WO1998030520A1 (en) 1997-01-08 1998-07-16 Hercules Incorporated Metal oxide solid acids as catalysts for the preparation of hydrocarbon resins
US6855674B2 (en) * 2000-12-22 2005-02-15 Infineum International Ltd. Hydroxy aromatic Mannich base condensation products and the use thereof as soot dispersants in lubricating oil compositions
RU2287552C2 (ru) * 2004-12-22 2006-11-20 Институт Проблем Химической Физики Российской Академии Наук (Ипхф Ран) Способ получения полиолефиновых основ синтетических масел
US7485603B2 (en) 2005-02-18 2009-02-03 Infineum International Limited Soot dispersants and lubricating oil compositions containing same
EP1728848B1 (en) 2005-06-01 2013-08-07 Infineum International Limited Use of unsaturated olefin polymers to improve the compatibility between nitrile rubber seals and lubricating oil compositions
US8513169B2 (en) 2006-07-18 2013-08-20 Infineum International Limited Lubricating oil compositions
US7786057B2 (en) 2007-02-08 2010-08-31 Infineum International Limited Soot dispersants and lubricating oil compositions containing same
CA2690200C (en) 2007-06-08 2014-09-30 Infineum International Limited Additives and lubricating oil compositions containing same
EP2075264B1 (en) 2007-12-26 2016-09-28 Infineum International Limited Method of forming polyalkene substituted carboxylic acid compositions
US20090186784A1 (en) 2008-01-22 2009-07-23 Diggs Nancy Z Lubricating Oil Composition
US20090203559A1 (en) 2008-02-08 2009-08-13 Bera Tushar Kanti Engine Lubrication
US9181511B2 (en) 2009-04-01 2015-11-10 Infineum International Limited Lubricating oil composition
KR101662350B1 (ko) 2009-04-07 2016-10-04 인피늄 인터내셔날 리미티드 선박용 엔진의 윤활
EP2290041B1 (en) 2009-08-24 2012-08-29 Infineum International Limited Use of an ashless borated dispersant
KR20130126608A (ko) 2010-10-06 2013-11-20 더루우브리졸코오포레이션 연무 방지 첨가제를 함유하는 윤활유 조성물
ES2712955T3 (es) 2012-11-02 2019-05-16 Infineum Int Ltd Lubricación de motor marino
EP2735603B1 (en) 2012-11-21 2016-06-08 Infineum International Limited Marine engine lubrication
DK2765179T3 (en) 2013-02-07 2017-01-09 Infineum Int Ltd Lubrication to a marine engine
ES2646051T3 (es) 2013-09-24 2017-12-11 Infineum International Limited Lubricación de motores marinos
US11034912B2 (en) 2014-04-29 2021-06-15 Infineum International Limited Lubricating oil compositions
CA2950272C (en) 2014-05-28 2023-02-28 The Lubrizol Corporation Alkylphenol detergents
US9506009B2 (en) 2014-05-29 2016-11-29 Exxonmobil Research And Engineering Company Lubricating oil compositions with engine wear protection
US10689593B2 (en) 2014-08-15 2020-06-23 Exxonmobil Research And Engineering Company Low viscosity lubricating oil compositions for turbomachines
US9957459B2 (en) 2014-11-03 2018-05-01 Exxonmobil Research And Engineering Company Low transition temperature mixtures or deep eutectic solvents and processes for preparation thereof
EP3029133B1 (en) 2014-12-04 2017-03-15 Infineum International Limited Marine engine lubrication
EP3237903B1 (en) 2014-12-24 2020-02-26 Exxonmobil Research And Engineering Company Methods for authentication and identification of petroleum products
WO2016106214A1 (en) 2014-12-24 2016-06-30 Exxonmobil Research And Engineering Company Methods for determining condition and quality of petroleum products
WO2016109382A1 (en) 2014-12-30 2016-07-07 Exxonmobil Research And Engineering Company Lubricating oil compositions with engine wear protection
US10781397B2 (en) 2014-12-30 2020-09-22 Exxonmobil Research And Engineering Company Lubricating oil compositions with engine wear protection
WO2016109325A1 (en) 2014-12-30 2016-07-07 Exxonmobil Research And Engineering Company Lubricating oil compositions containing encapsulated microscale particles
SG11201704022TA (en) 2014-12-30 2017-07-28 Exxonmobil Res & Eng Co Lubricating oil compositions with engine wear protection
US9926509B2 (en) 2015-01-19 2018-03-27 Exxonmobil Research And Engineering Company Lubricating oil compositions with engine wear protection and solubility
CA2938020C (en) 2015-08-26 2023-07-04 Infineum International Limited Lubricating oil compositions
US9951290B2 (en) 2016-03-31 2018-04-24 Exxonmobil Research And Engineering Company Lubricant compositions
EP3263676B1 (en) 2016-06-30 2023-07-19 Infineum International Limited Lubricating oil compositions
EP3494199A1 (en) 2016-08-05 2019-06-12 Rutgers, the State University of New Jersey Thermocleavable friction modifiers and methods thereof
US20180100115A1 (en) 2016-10-07 2018-04-12 Exxonmobil Research And Engineering Company High conductivity lubricating oils for electric and hybrid vehicles
US20180100120A1 (en) 2016-10-07 2018-04-12 Exxonmobil Research And Engineering Company Method for preventing or minimizing electrostatic discharge and dielectric breakdown in electric vehicle powertrains
US20180100118A1 (en) 2016-10-07 2018-04-12 Exxonmobil Research And Engineering Company Method for controlling electrical conductivity of lubricating oils in electric vehicle powertrains
US10647936B2 (en) 2016-12-30 2020-05-12 Exxonmobil Research And Engineering Company Method for improving lubricant antifoaming performance and filterability
WO2018125956A1 (en) 2016-12-30 2018-07-05 Exxonmobil Research And Engineering Company Low viscosity lubricating oil compositions for turbomachines
US10793801B2 (en) 2017-02-06 2020-10-06 Exxonmobil Chemical Patents Inc. Low transition temperature mixtures and lubricating oils containing the same
US10487289B2 (en) 2017-02-21 2019-11-26 Exxonmobil Research And Engineering Company Lubricating oil compositions and methods of use thereof
EP3369802B1 (en) 2017-03-01 2019-07-10 Infineum International Limited Improvements in and relating to lubricating compositions
US10876062B2 (en) 2017-03-24 2020-12-29 Exxonmobil Chemical Patents Inc. Cold cranking simulator viscosity boosting base stocks and lubricating oil formulations containing the same
US10858610B2 (en) 2017-03-24 2020-12-08 Exxonmobil Chemical Patents Inc. Cold cranking simulator viscosity boosting base stocks and lubricating oil formulations containing the same
US10738258B2 (en) 2017-03-24 2020-08-11 Exxonmobil Research And Engineering Company Method for improving engine fuel efficiency and energy efficiency
US10808196B2 (en) 2017-03-28 2020-10-20 Exxonmobil Chemical Patents Inc. Cold cranking simulator viscosity reducing base stocks and lubricating oil formulations containing the same
CN110546243B (zh) 2017-04-27 2022-09-23 国际壳牌研究有限公司 润滑组合物
PL3421576T3 (pl) 2017-06-30 2020-08-24 Infineum International Limited Sposób przeciwdziałania zanieczyszczeniu podczas rafinacji
WO2019014092A1 (en) 2017-07-13 2019-01-17 Exxonmobil Research And Engineering Company CONTINUOUS PROCESS FOR FAT PRODUCTION
US20190031975A1 (en) 2017-07-21 2019-01-31 Exxonmobil Research And Engineering Company Method for improving deposit control and cleanliness performance in an engine lubricated with a lubricating oil
US20190024007A1 (en) 2017-07-24 2019-01-24 Infineum International Limited Motorcycle Lubricant
US20190040335A1 (en) 2017-08-04 2019-02-07 Exxonmobil Research And Engineering Company Novel formulation for lubrication of hyper compressors providing improved pumpability under high-pressure conditions
US20190085256A1 (en) 2017-09-18 2019-03-21 Exxonmobil Research And Engineering Company Hydraulic oil compositions with improved hydrolytic and thermo-oxidative stability
US20190093040A1 (en) 2017-09-22 2019-03-28 Exxonmobil Research And Engineering Company Lubricating oil compositions with viscosity and deposit control
EP3461877B1 (en) 2017-09-27 2019-09-11 Infineum International Limited Improvements in and relating to lubricating compositions08877119.1
US20190127658A1 (en) 2017-10-30 2019-05-02 Exxonmobil Research And Engineering Company Lubricating oil compositions with engine wear protection
US20190136147A1 (en) 2017-11-03 2019-05-09 Exxonmobil Research And Engineering Company Lubricant compositions with improved performance and methods of preparing and using the same
WO2019103808A1 (en) 2017-11-22 2019-05-31 Exxonmobil Research And Engineering Company Lubricating oil compositions with oxidative stability in diesel engines
WO2019112711A1 (en) 2017-12-04 2019-06-13 Exxonmobil Research And Enginerring Company Method for preventing or reducing low speed pre-ignition
US10731103B2 (en) 2017-12-11 2020-08-04 Infineum International Limited Low ash and ash-free acid neutralizing compositions and lubricating oil compositions containing same
WO2019118115A1 (en) 2017-12-15 2019-06-20 Exxonmobil Research And Engineering Company Lubricating oil compositions containing microencapsulated additives
US20190203137A1 (en) 2017-12-28 2019-07-04 Exxonmobil Research And Engineering Company Low traction/energy efficient liquid crystal base stocks
US20190203142A1 (en) 2017-12-29 2019-07-04 Exxonmobil Research And Engineering Company Lubricating oil compositions with wear and sludge control
US10774286B2 (en) 2017-12-29 2020-09-15 Exxonmobil Research And Engineering Company Grease compositions with improved performance and methods of preparing and using the same
WO2019133191A1 (en) 2017-12-29 2019-07-04 Exxonmobil Research And Engineering Company Lubrication of oxygenated diamond-like carbon surfaces
EP3546549B1 (en) 2018-03-27 2022-11-09 Infineum International Limited Lubricating oil composition
WO2019240965A1 (en) 2018-06-11 2019-12-19 Exxonmobil Research And Engineering Company Non-zinc-based antiwear compositions, hydraulic oil compositions, and methods of using the same
US20190382680A1 (en) 2018-06-18 2019-12-19 Exxonmobil Research And Engineering Company Formulation approach to extend the high temperature performance of lithium complex greases
US20200024538A1 (en) 2018-07-23 2020-01-23 Exxonmobil Research And Engineering Company Lubricating oil compositions with oxidative stability in diesel engines using biodiesel fuel
US20200032158A1 (en) 2018-07-24 2020-01-30 Exxonmobil Research And Engineering Company Lubricating oil compositions with engine corrosion protection
US20200102519A1 (en) 2018-09-27 2020-04-02 Exxonmobil Research And Engineering Company Low viscosity lubricating oils with improved oxidative stability and traction performance
WO2020096804A1 (en) 2018-11-05 2020-05-14 Exxonmobil Research And Engineering Company Lubricating oil compositions having improved cleanliness and wear performance
WO2020112338A1 (en) 2018-11-28 2020-06-04 Exxonmobil Research And Engineering Company Lubricating oil compositions with improved deposit resistance and methods thereof
US20200181525A1 (en) 2018-12-10 2020-06-11 Exxonmobil Research And Engineering Company Method for improving oxidation and deposit resistance of lubricating oils
WO2020131439A1 (en) 2018-12-19 2020-06-25 Exxonmobil Research And Engineering Company Grease compositions having polyurea thickeners made with isocyanate terminated prepolymers
WO2020131441A1 (en) 2018-12-19 2020-06-25 Exxonmobil Research And Engineering Company Grease compositions having improved performance
US20200199481A1 (en) 2018-12-19 2020-06-25 Exxonmobil Research And Engineering Company Grease compositions having calcium sulfonate and polyurea thickeners
WO2020132164A1 (en) 2018-12-19 2020-06-25 Exxonmobil Research And Engineering Company Lubricating oil compositions with viscosity control
WO2020132166A1 (en) 2018-12-19 2020-06-25 Exxonmobil Research And Engineering Company Lubricating oil compositions with antioxidant formation and dissipation control
US20200199477A1 (en) 2018-12-19 2020-06-25 Exxonmobil Research And Engineering Company Method for improving high temperature antifoaming performance of a lubricating oil
WO2020131515A2 (en) 2018-12-19 2020-06-25 Exxonmobil Research And Engineering Company Lubricant compositions with improved wear control
CN111349461B (zh) 2018-12-20 2023-08-29 英菲诺姆国际有限公司 油防结垢和/或防沥青质附聚法
CN111349480B (zh) 2018-12-20 2024-02-23 英菲诺姆国际有限公司 烃船用燃料油
US11629308B2 (en) 2019-02-28 2023-04-18 ExxonMobil Technology and Engineering Company Low viscosity gear oil compositions for electric and hybrid vehicles
WO2020257376A1 (en) 2019-06-19 2020-12-24 Exxonmobil Research And Engineering Company Heat transfer fluids and methods of use
WO2020257370A1 (en) 2019-06-19 2020-12-24 Exxonmobil Research And Engineering Company Heat transfer fluids and methods of use
WO2020257371A1 (en) 2019-06-19 2020-12-24 Exxonmobil Research And Engineering Company Heat transfer fluids and methods of use
WO2020257379A1 (en) 2019-06-19 2020-12-24 Exxonmobil Research And Engineering Company Heat transfer fluids and methods of use
WO2020257377A1 (en) 2019-06-19 2020-12-24 Exxonmobil Research And Engineering Company Heat transfer fluids and methods of use
US10712105B1 (en) 2019-06-19 2020-07-14 Exxonmobil Research And Engineering Company Heat transfer fluids and methods of use
WO2020257373A1 (en) 2019-06-19 2020-12-24 Exxonmobil Research And Engineering Company Heat transfer fluids and methods of use
WO2020257374A1 (en) 2019-06-19 2020-12-24 Exxonmobil Research And Engineering Company Heat transfer fluids and methods of use
WO2020257375A1 (en) 2019-06-19 2020-12-24 Exxonmobil Research And Engineering Company Heat transfer fluids and methods of use
WO2020257378A1 (en) 2019-06-19 2020-12-24 Exxonmobil Research And Engineering Company Heat transfer fluids and methods of use
WO2020264534A2 (en) 2019-06-27 2020-12-30 Exxonmobil Research And Engineering Company Method for reducing solubilized copper levels in wind turbine gear oils
EP3778841B1 (en) 2019-08-15 2021-11-24 Infineum International Limited Method for reducing piston deposits in a marine diesel engine
EP3795661B1 (en) 2019-09-17 2022-03-09 Infineum International Limited Asphaltene solvation and dispersion process
EP3795660B1 (en) 2019-09-17 2022-03-09 Infineum International Limited Refinery antifoulant process
US11976251B2 (en) 2019-12-18 2024-05-07 ExxonMobil Technology and Engineering Company Method for controlling lubrication of a rotary shaft seal
WO2021194813A1 (en) 2020-03-27 2021-09-30 Exxonmobil Research And Engineering Company Monitoring health of heat transfer fluids for electric systems
KR20230118968A (ko) 2020-12-14 2023-08-14 더루브리졸코오퍼레이션 유기 열전달 시스템, 방법, 및 유체
US11760952B2 (en) 2021-01-12 2023-09-19 Ingevity South Carolina, Llc Lubricant thickener systems from modified tall oil fatty acids, lubricating compositions, and associated methods
US20240365516A1 (en) 2021-07-26 2024-10-31 The Lubrizol Corporation Organic heat transfer system, method and fluid
ES2994164T3 (en) 2021-11-15 2025-01-20 Infineum Int Ltd Improvements in marine fuels
CN118369408A (zh) 2021-12-16 2024-07-19 路博润公司 有机热传递系统、方法和流体
US20250364634A1 (en) 2022-04-19 2025-11-27 The Lubrizol Corporation Organic heat transfer system, method, and fluid
US12454656B2 (en) 2022-04-27 2025-10-28 Afton Chemical Corporation Additives with high sulfurization for lubricating oil compositions
WO2023247268A1 (en) * 2022-06-20 2023-12-28 Basf Se Oligobutyl benzene sulfonate for lubricants and fuels
US20240301274A1 (en) 2023-03-10 2024-09-12 Infineum International Limited Asphaltene deposition control
WO2025213291A1 (en) 2024-04-07 2025-10-16 The Lubrizol Corporation Boron containing automotive gear oil

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2957930A (en) * 1956-08-27 1960-10-25 Cosden Petroleum Corp Process for the production of polyisobutylene
US3119884A (en) * 1958-03-27 1964-01-28 Cosden Oil & Chem Co Reactor and method for polymerizing olefins
US3200170A (en) * 1962-02-21 1965-08-10 Standard Oil Co Aluminum chloride catalyzed polymerization process
US3200169A (en) * 1962-02-21 1965-08-10 Standard Oil Co Aluminum chloride catalyzed polymerization process
DE1720779A1 (de) * 1968-01-31 1971-07-22 Bayer Ag Polyolefine
US3639661A (en) * 1969-01-21 1972-02-01 Ceskoslovenska Akademie Ved Polymerization of isobutylene
US3501551A (en) * 1969-03-19 1970-03-17 Standard Oil Co Process for producing normal butene polymers
BE731006A (fr) * 1969-04-03 1969-09-15 Hydrocarbures aromatiques alkyles au moyen de polymeres du n-butene et procede pour les preparer
BE796441A (fr) * 1973-03-08 1973-07-02 Labofina Sa Nouveau systeme catalytique et procede d'oligomerisation d'olefines
GB1449840A (en) * 1973-10-08 1976-09-15 British Petroleum Co Alkylation process
US3991129A (en) * 1974-09-23 1976-11-09 Cosden Technology, Inc. Production of polybutene with static mixer
GB1534307A (en) * 1975-02-12 1978-11-29 Ban I Drive mechanism for magnetic recording/reproducing apparatus
US3985822A (en) * 1976-03-05 1976-10-12 Cosden Technology, Inc. Process for the production of poly-n-butenes
DE2929180A1 (de) * 1979-07-19 1981-02-05 Huels Chemische Werke Ag Verfahren zur polymerisation von praktisch butadien-freien und gegebenenfalls isobuten-freien c tief 4- schnitten und isopren, sowie danach hergestellte harze
DE3368936D1 (en) * 1982-08-13 1987-02-12 Exxon Research Engineering Co Process for preparing polyisobutylene
US4465887A (en) * 1983-06-27 1984-08-14 Standard Oil Company (Indiana) Process for producing butylene polymers having molecular weights in the range of from about 400 to 5000 molecular weight
US4558170A (en) * 1983-06-29 1985-12-10 Exxon Research & Engineering Co. Polyisobutylene process
CS272398B1 (en) * 1988-04-15 1991-01-15 Marek Miroslav Method of poly-n-butene oils production

Also Published As

Publication number Publication date
AR248285A1 (es) 1995-07-12
EP0367385A3 (en) 1991-07-31
US4952739A (en) 1990-08-28
DE68924831D1 (de) 1995-12-21
CA1323635C (en) 1993-10-26
KR900006370A (ko) 1990-05-08
JPH02164832A (ja) 1990-06-25
EP0367385A2 (en) 1990-05-09
MX172796B (es) 1994-01-13
DE68924831T2 (de) 1996-05-02
KR0136589B1 (ko) 1998-04-25
MX17985A (es) 1993-06-01
JP2670868B2 (ja) 1997-10-29
EP0367385B1 (en) 1995-11-15

Similar Documents

Publication Publication Date Title
BR8905448A (pt) Processo para preparacao de poli-n-buteno de baixo peso molecular e produto de poli-n-buteno
BR8401144A (pt) Processo para polimerizacao de oligomero polidiorganossiloxana e composicao curavel
BR9006542A (pt) Processo para preparacao de policarbonato aromatico e composicao de policarbonato aromatico
PT81168B (pt) Processo para a preparacao de proteinas inibidoras da coagulacao do sangue e de composicoes farmaceuticas contendo estas substancias
PT93094A (pt) Processo para a preparacao de 1,3-oxatiolanos substituidos e de composicoes farmaceuticas que os contem
PT91968A (pt) Processo para a preparacao de novos piperidinil-benzimidazois e de composicoes farmaceuticas que os contem
PT90471A (pt) Processo para a preparacao de derivados de cromano e de produtos intermediarios
BR8903877A (pt) Processo para preparacao de diorganopolissiloxano linear,produto obtido e utilizacao deste produto
BR8803853A (pt) Processo para producao de poliestireno de elevado peso molecular e composicao de mistura de polimero
BR8905349A (pt) Processo para a preparacao de uma cicloalcanona e/ou um cicloalcanol
PT91870A (pt) Processo para apreparacao de novas quinoliloxazol-2-onas e de composicoes farmaceuticas que as contem
PT82307B (pt) Processo para a preparacao de derivados da 4'-demetil-4-epipodofilotoxina e de composicoes farmaceuticas que os contem
BR9301753A (pt) Processo para preparacao de produtos de adicao
BR8904658A (pt) Composicao e processo para o aclaramento otico de materiais
PT90172A (pt) Processo para a preparacao de n-benzopiranillactames insaturados e de composicoes farmaceuticas que os contem
BR9003254A (pt) Mistura termoplastica e processo para preparar mistura termoplastica
BR8901976A (pt) Composicao de polimero de policetona e processo para sua preparacao
BR8902135A (pt) Processo e aparelho para identificar objetos ou zonas especificos
BR9000986A (pt) Mistura esterilizante e processo para esterilizar um artigo
BR9400034A (pt) Processo para a preparação de uma poli-1-olefina de baixo peso molecular e poli-1-olefina de baixo peso molecular
BR8902136A (pt) Processo e aparelho para identificar objetos ou zonas especificos
PT89932A (pt) Processo de conservacao de carne e de preparacao de composicao para o mesmo
PT91787A (pt) Processo para a preparacao de tienopiranos substituidos e de composicoes farmaceuticas que os contem
BR8905449A (pt) Processo para preparacao de poli-n-buteno de baixo peso molecular,e polimero de poli-n-buteno
PT89845A (pt) Processo para a preparacao duma composicao pesticida contendo acrilatos substituidos e de produtos intermediarios

Legal Events

Date Code Title Description
FB19 Grant procedure suspended (art. 19)
FF Decision: intention to grant
FG Letter patent granted
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 25/10/2004