BRPI0401880A - Método para marcação de um hidrocarboneto lìquido de petróleo - Google Patents

Método para marcação de um hidrocarboneto lìquido de petróleo

Info

Publication number
BRPI0401880A
BRPI0401880A BR0401880-0A BRPI0401880A BRPI0401880A BR PI0401880 A BRPI0401880 A BR PI0401880A BR PI0401880 A BRPI0401880 A BR PI0401880A BR PI0401880 A BRPI0401880 A BR PI0401880A
Authority
BR
Brazil
Prior art keywords
marking
alkyl
liquid hydrocarbon
hydrogen
independently
Prior art date
Application number
BR0401880-0A
Other languages
English (en)
Inventor
David Roderick Baxter
Peter John Cranmer
Kim Sang Ho
Original Assignee
Rohm & Haas
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 Rohm & Haas filed Critical Rohm & Haas
Publication of BRPI0401880A publication Critical patent/BRPI0401880A/pt
Publication of BRPI0401880B1 publication Critical patent/BRPI0401880B1/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B1/00—Dyes with anthracene nucleus not condensed with any other ring
    • C09B1/16—Amino-anthraquinones
    • C09B1/20—Preparation from starting materials already containing the anthracene nucleus
    • C09B1/26—Dyes with amino groups substituted by hydrocarbon radicals
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
    • C10L1/00—Liquid carbonaceous fuels
    • C10L1/003—Marking, e.g. coloration by addition of pigments
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M171/00—Lubricating compositions characterised by purely physical criteria, e.g. containing as base-material, thickener or additive, ingredients which are characterised exclusively by their numerically specified physical properties, i.e. containing ingredients which are physically well-defined but for which the chemical nature is either unspecified or only very vaguely indicated
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
    • C10L1/00—Liquid carbonaceous fuels
    • C10L1/10—Liquid carbonaceous fuels containing additives
    • C10L1/14—Organic compounds
    • C10L1/22—Organic compounds containing nitrogen
    • C10L1/222—Organic compounds containing nitrogen containing at least one carbon-to-nitrogen single bond
    • C10L1/223—Organic compounds containing nitrogen containing at least one carbon-to-nitrogen single bond having at least one amino group bound to an aromatic carbon atom
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
    • C10L1/00—Liquid carbonaceous fuels
    • C10L1/10—Liquid carbonaceous fuels containing additives
    • C10L1/14—Organic compounds
    • C10L1/22—Organic compounds containing nitrogen
    • C10L1/228—Organic compounds containing nitrogen containing at least one carbon-to-nitrogen double bond, e.g. guanidines, hydrazones, semicarbazones, imines; containing at least one carbon-to-nitrogen triple bond, e.g. nitriles
    • C10L1/2286—Organic compounds containing nitrogen containing at least one carbon-to-nitrogen double bond, e.g. guanidines, hydrazones, semicarbazones, imines; containing at least one carbon-to-nitrogen triple bond, e.g. nitriles containing one or more carbon to nitrogen triple bonds, e.g. nitriles
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
    • C10L1/00—Liquid carbonaceous fuels
    • C10L1/10—Liquid carbonaceous fuels containing additives
    • C10L1/14—Organic compounds
    • C10L1/22—Organic compounds containing nitrogen
    • C10L1/23—Organic compounds containing nitrogen containing at least one nitrogen-to-oxygen bond, e.g. nitro-compounds, nitrates, nitrites
    • C10L1/231—Organic compounds containing nitrogen containing at least one nitrogen-to-oxygen bond, e.g. nitro-compounds, nitrates, nitrites nitro compounds; nitrates; nitrites
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
    • C10L1/00—Liquid carbonaceous fuels
    • C10L1/10—Liquid carbonaceous fuels containing additives
    • C10L1/14—Organic compounds
    • C10L1/24—Organic compounds containing sulfur, selenium and/or tellurium
    • C10L1/2406—Organic compounds containing sulfur, selenium and/or tellurium mercaptans; hydrocarbon sulfides
    • C10L1/2412—Organic compounds containing sulfur, selenium and/or tellurium mercaptans; hydrocarbon sulfides sulfur bond to an aromatic radical
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions
    • C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
    • C10M2215/06—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions
    • C10M2215/16—Nitriles
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions
    • C10M2215/20—Containing nitrogen-to-oxygen bonds
    • C10M2215/202—Containing nitrogen-to-oxygen bonds containing nitro groups
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/08—Thiols; Sulfides; Polysulfides; Mercaptals
    • C10M2219/082—Thiols; Sulfides; Polysulfides; Mercaptals containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms
    • C10M2219/086—Thiols; Sulfides; Polysulfides; Mercaptals containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms containing sulfur atoms bound to carbon atoms of six-membered aromatic rings
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/20—Colour, e.g. dyes
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/42—Flashing oils or marking oils

Landscapes

  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)

Abstract

"MéTODO PARA MARCAçãO DE UM HIDROCARBONETO LìQUIDO DE PETRóLEO". Método para marcação de hidrocarboneto líquido de petróleo. O método compreende adicionar ao hidrocarboneto líquido de petróleo pelo menos um corante de antraquinona substituída que possui a fórmula (I) onde X é O ou S; Y é 0, NR^ 7^ ou S; R^ 1^ e R^ 2^ independentemente são hidrogênio, alquil, aril, aralquil, heteroaril, heterocíclico ou alcanoil; R^ 3^ e R^ 5^ independentemente são alquil, aril, aralquil, heteroaril ou heterocíclico; R^ 4^ e R^ 6^ independentemente são hidrogênio ou alquil; R^ 7^ é hidrogênio ou alquil; e onde o(s) corante(s) de antraquinona substituída possui(em) um máximo de absorção na faixa de 600 nm a 750 nm.
BRPI0401880-0A 2003-06-13 2004-05-31 Método para marcação de um hidrocarboneto líquido de petróleo BRPI0401880B1 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US47837503P 2003-06-13 2003-06-13

Publications (2)

Publication Number Publication Date
BRPI0401880A true BRPI0401880A (pt) 2005-01-25
BRPI0401880B1 BRPI0401880B1 (pt) 2014-02-25

Family

ID=33300127

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0401880-0A BRPI0401880B1 (pt) 2003-06-13 2004-05-31 Método para marcação de um hidrocarboneto líquido de petróleo

Country Status (9)

Country Link
US (1) US7915048B2 (pt)
EP (1) EP1486554B1 (pt)
JP (1) JP3806118B2 (pt)
KR (1) KR101046593B1 (pt)
CN (1) CN1331948C (pt)
BR (1) BRPI0401880B1 (pt)
DE (1) DE602004023895D1 (pt)
MX (1) MXPA04005616A (pt)
TW (1) TWI251617B (pt)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7635596B2 (en) * 2004-12-15 2009-12-22 Rohm And Haas Company Method for monitoring degradation of lubricating oils
US7858373B2 (en) 2006-02-03 2010-12-28 Rohm And Haas Company Chemical markers
US8129190B2 (en) * 2006-11-17 2012-03-06 Applied Nanotech Holdings, Inc. Tagged petroleum products and methods of detecting same
ES2343600T3 (es) * 2006-12-20 2010-08-04 Basf Se Derivados de antraquinona como substancias de marcaje para liquidos.
TWI444467B (zh) 2010-05-27 2014-07-11 Angus Chemical 用於液體碳氫化合物及其他燃料與油之標記物化合物
TWI437089B (zh) * 2010-05-27 2014-05-11 Angus Chemical 標記液體碳氫化合物及其他燃料與油之方法
EP2441745B1 (en) 2010-10-14 2015-08-26 Dow Global Technologies LLC Biphenyl benzyl ether marker compounds for liquid hydrocarbons and other fuels and oils
JP5959625B2 (ja) 2011-05-09 2016-08-02 ダウ グローバル テクノロジーズ エルエルシー 炭化水素標識として有用なオルト−フェニルフェノール化合物
WO2012154646A1 (en) 2011-05-09 2012-11-15 Angus Chemical Company Ortho- phenylphenol compounds as markers for hydrocarbons and other fuels and oils
WO2012177632A1 (en) 2011-06-21 2012-12-27 Rohm And Haas Company Bisphenol a compounds useful as markers for liquid hydrocarbons and other fuels and oils
MY169066A (en) 2011-06-24 2019-02-12 Dow Global Technologies Llc Tritylated ethers
US20130007013A1 (en) 2011-06-30 2013-01-03 Microsoft Corporation Matching users over a network
ES2694823T3 (es) 2011-06-30 2018-12-27 Dow Global Technologies Llc Compuestos de bifenol-éter como marcadores para hidrocarburos líquidos y otros combustibles y aceites
KR101947441B1 (ko) 2011-06-30 2019-02-13 다우 글로벌 테크놀로지스 엘엘씨 바이페놀 에테르 화합물
TWI518061B (zh) 2012-05-04 2016-01-21 陶氏全球科技責任有限公司 三苯甲基化醚
TWI516468B (zh) 2012-07-06 2016-01-11 羅門哈斯公司 三苯甲基化之烷基芳基醚
TWI494424B (zh) 2012-11-20 2015-08-01 Dow Global Technologies Llc 可蒸餾燃料標記物
TWI477597B (zh) 2012-12-06 2015-03-21 Angus Chemical Ｔｈｐｅ醚類
TWI516469B (zh) 2013-04-05 2016-01-11 陶氏全球科技責任有限公司 烷基三苯甲基苯基醚
EP3140381B1 (en) 2014-05-09 2019-06-12 Rohm and Haas Company Tetrarylmethane ethers as fuel markers
BR112016025211B1 (pt) 2014-05-09 2021-01-12 Dow Global Technologies Llc éteres de tetraril metano para uso como marcadores de óleo e combustível
CN108700505A (zh) 2016-02-15 2018-10-23 埃克森美孚研究工程公司 用于工作流体的原位识别的方法和系统
CN108700506A (zh) 2016-02-15 2018-10-23 埃克森美孚研究工程公司 用于验证工作流体的系统和方法
JP2018100254A (ja) * 2016-07-15 2018-06-28 住友化学株式会社 ウラシル化合物結晶の製造方法
EP3486241B1 (en) * 2016-07-15 2022-05-04 Sumitomo Chemical Company Limited Method for producing crystal of uracil compound
CN111868214B (zh) 2018-04-05 2022-11-18 陶氏环球技术有限责任公司 作为燃料标记物的二芳基醚
PL3775110T3 (pl) 2018-04-05 2023-05-22 Dow Global Technologies, Llc Podstawione dibenzofurany jako markery paliwowe
EP3775109B1 (en) 2018-04-05 2024-03-13 Dow Global Technologies, LLC Xanthenes as fuel markers
US20230250292A1 (en) * 2020-07-29 2023-08-10 Dow Global Technologies Llc Aromatic hydrocarbon-soluble anthraquinone
US20260198165A1 (en) * 2022-11-17 2026-07-09 B.G. Negev Technologies & Applications Ltd., At Ben-Gurion University Functionalized diacetylene monomers, corresponding polydiacetylenes and uses in capacitive photodetectors

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19818176A1 (de) * 1998-04-23 1999-10-28 Basf Ag Verfahren zur Markierung von Flüssigkeiten mit mindestens zwei Markierstoffen und Verfahren zu deren Detektion
US2611772A (en) * 1950-12-30 1952-09-23 Eastman Kodak Co Preparation of 1, 4, 5, 8-tetraamino-anthraquinone compounds
US2727045A (en) * 1952-12-13 1955-12-13 American Cyanamid Co Preparation of alkylaminoanthraquinones
US3164449A (en) * 1961-03-01 1965-01-05 Du Pont Anthraquinone dyes for gasoline
US4138415A (en) * 1978-05-05 1979-02-06 American Cyanamid Company 1,4-Bis(aminoalkylamino)-anthraquinones and leuco derivatives thereof
US4197249A (en) * 1977-08-15 1980-04-08 American Cyanamid Company 1,4-Bis(substituted-amino)-5,8-dihydroxyanthraquinones and leuco bases thereof
DE3276868D1 (de) * 1981-02-25 1987-09-03 Ici Plc Pleochroic anthraquinone dyes
JPS60172591A (ja) * 1984-02-17 1985-09-06 Mitsubishi Chem Ind Ltd アントラキノン系感熱転写記録用色素
IT1200452B (it) 1985-04-12 1989-01-18 Pigmenti Italia Spa Composizione denaturante e marcante,particolarmente adatta per gasolio
JPS62903A (ja) * 1985-06-05 1987-01-06 Sumitomo Chem Co Ltd 近赤外線吸収フイルタ−
JPS6215260A (ja) * 1985-07-15 1987-01-23 Mitsui Toatsu Chem Inc アントラキノン系長波長吸収色素及びその製造方法
JPH0813930B2 (ja) * 1987-12-28 1996-02-14 三井東圧化学株式会社 近赤外線吸収フィルター用高純度アントラキノン系色素
US5880287A (en) * 1990-05-15 1999-03-09 Hyperion, Inc. Polyoxyhydrocarbyl related products and methods for fluorescence assays
US5139330A (en) * 1990-10-19 1992-08-18 Nippon Petroleum Refining Co., Ltd. Standard samples and methods of instrumental measurement of astm color of petroleum products using said samples
US5804447A (en) * 1992-07-23 1998-09-08 Basf Aktiengesellschaft Use of compounds which absorb and/or fluoresce in the IR region as markers for liquids
DE4308634A1 (de) * 1993-03-18 1994-09-22 Basf Ag Anthrachinon als Markierungsmittel für Mineralöle
US5525516B1 (en) * 1994-09-30 1999-11-09 Eastman Chem Co Method for tagging petroleum products
US5958780A (en) * 1997-06-30 1999-09-28 Boston Advanced Technologies, Inc. Method for marking and identifying liquids
US6274381B1 (en) * 1998-11-09 2001-08-14 Rohm And Haas Company Method for invisibly tagging petroleum products using visible dyes
JP2000263953A (ja) 1999-03-18 2000-09-26 Mitsui Chemicals Inc ミスト型熱転写記録用記録液
US6811575B2 (en) * 2001-12-20 2004-11-02 Rohm And Haas Company Method for marking hydrocarbons with anthraquinones
EP1532812A4 (en) 2002-04-26 2007-10-10 Univ Columbia OPTIMAL VIDEO TRANSCODING METHOD AND SYSTEM BASED ON UTILITY PROGRAM FUNCTION DESCRIPTERS
JP2005534054A (ja) 2002-07-24 2005-11-10 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ 可変サイズマルチペインディスプレイ
US20040106526A1 (en) * 2002-12-03 2004-06-03 Baxter David Roderick Method for marking liquid hydrocarbons

Also Published As

Publication number Publication date
MXPA04005616A (es) 2004-12-15
US7915048B2 (en) 2011-03-29
CN1572839A (zh) 2005-02-02
BRPI0401880B1 (pt) 2014-02-25
EP1486554A1 (en) 2004-12-15
TW200510516A (en) 2005-03-16
KR20040107385A (ko) 2004-12-20
JP2005002320A (ja) 2005-01-06
US20040250469A1 (en) 2004-12-16
JP3806118B2 (ja) 2006-08-09
DE602004023895D1 (de) 2009-12-17
TWI251617B (en) 2006-03-21
KR101046593B1 (ko) 2011-07-06
CN1331948C (zh) 2007-08-15
EP1486554B1 (en) 2009-11-04

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Legal Events

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B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 31/05/2004, OBSERVADAS AS CONDICOES LEGAIS.

B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 31/05/2024