ATE206156T1 - Ester enthaltende schmierölzusammensetzung, verwendung dieser zusammensetzung und diese enthaltende bohrlochflüssigkeiten - Google Patents

Ester enthaltende schmierölzusammensetzung, verwendung dieser zusammensetzung und diese enthaltende bohrlochflüssigkeiten

Info

Publication number
ATE206156T1
ATE206156T1 AT95402622T AT95402622T ATE206156T1 AT E206156 T1 ATE206156 T1 AT E206156T1 AT 95402622 T AT95402622 T AT 95402622T AT 95402622 T AT95402622 T AT 95402622T AT E206156 T1 ATE206156 T1 AT E206156T1
Authority
AT
Austria
Prior art keywords
composition
well
same
lubricant oil
oil composition
Prior art date
Application number
AT95402622T
Other languages
English (en)
Inventor
Jean-Francois Argillier
Annie Audibert
Pierre Marchand
Andre Demoulin
Michel Janssen
Original Assignee
Atofina Res
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 Atofina Res filed Critical Atofina Res
Application granted granted Critical
Publication of ATE206156T1 publication Critical patent/ATE206156T1/de

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/02Well-drilling compositions
    • C09K8/04Aqueous well-drilling compositions
    • C09K8/14Clay-containing compositions
    • C09K8/18Clay-containing compositions characterised by the organic compounds
    • C09K8/22Synthetic organic compounds
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M169/00Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
    • C10M169/04Mixtures of base-materials and additives
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/02Water
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/10Carboxylix acids; Neutral salts thereof
    • C10M2207/12Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/125Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/10Carboxylix acids; Neutral salts thereof
    • C10M2207/12Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/125Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
    • C10M2207/126Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids monocarboxylic
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/10Carboxylix acids; Neutral salts thereof
    • C10M2207/12Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/129Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of thirty or more carbon atoms
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28Esters
    • C10M2207/287Partial esters
    • C10M2207/2875Partial esters used as base material
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28Esters
    • C10M2207/287Partial esters
    • C10M2207/288Partial esters containing free carboxyl groups
    • C10M2207/2885Partial esters containing free carboxyl groups used as base material
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28Esters
    • C10M2207/287Partial esters
    • C10M2207/289Partial esters containing free hydroxy groups
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28Esters
    • C10M2207/287Partial esters
    • C10M2207/289Partial esters containing free hydroxy groups
    • C10M2207/2895Partial esters containing free hydroxy groups used as base material
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2209/00Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/10Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/103Polyethers, i.e. containing di- or higher polyoxyalkylene groups
    • C10M2209/104Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing two carbon atoms only
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2215/00Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions
    • C10M2215/02Amines, e.g. polyalkylene polyamines; Quaternary amines
    • C10M2215/04Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2215/042Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms containing hydroxy groups; Alkoxylated derivatives thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Lubricants (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
AT95402622T 1994-11-22 1995-11-21 Ester enthaltende schmierölzusammensetzung, verwendung dieser zusammensetzung und diese enthaltende bohrlochflüssigkeiten ATE206156T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9414254A FR2727126B1 (fr) 1994-11-22 1994-11-22 Composition lubrifiante comportant un ester. utilisation de la composition et fluide de puits comportant la composition

Publications (1)

Publication Number Publication Date
ATE206156T1 true ATE206156T1 (de) 2001-10-15

Family

ID=9469226

Family Applications (1)

Application Number Title Priority Date Filing Date
AT95402622T ATE206156T1 (de) 1994-11-22 1995-11-21 Ester enthaltende schmierölzusammensetzung, verwendung dieser zusammensetzung und diese enthaltende bohrlochflüssigkeiten

Country Status (21)

Country Link
US (1) US5618780A (de)
EP (1) EP0713909B1 (de)
JP (2) JP4234215B2 (de)
CN (1) CN1069339C (de)
AR (1) AR000488A1 (de)
AT (1) ATE206156T1 (de)
AU (1) AU699675B2 (de)
BR (1) BR9505241A (de)
CA (1) CA2163404C (de)
DE (1) DE69522906T2 (de)
DK (1) DK0713909T3 (de)
DZ (1) DZ1942A1 (de)
ES (1) ES2166391T3 (de)
FR (1) FR2727126B1 (de)
MX (1) MX9504833A (de)
MY (1) MY114688A (de)
NO (1) NO315521B1 (de)
NZ (1) NZ280484A (de)
PT (1) PT713909E (de)
SG (1) SG44334A1 (de)
ZA (1) ZA959853B (de)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0770661A1 (de) * 1995-10-27 1997-05-02 B W Mud Limited Schmierstoff für Bohrschlamm
DE19647598A1 (de) 1996-11-18 1998-05-20 Henkel Kgaa Verwendung ausgewählter Fettalkohole und ihrer Abmischungen mit Carbonsäureestern als Schmiermittelkomponente in wasserbasierten Bohrspülsystem zum Erdreichaufschluß
DE19647565A1 (de) 1996-11-18 1998-05-20 Henkel Kgaa Mehrphasige Schmiermittelkonzentrate für den Einsatz in wasserbasierten Systemen aus dem Bereich der Erdreicherbohrung
US7238647B2 (en) * 2000-07-05 2007-07-03 Institut Francais Du Petrole Method and fluid for controlling the saturation of a formation around a well
CA2322102A1 (en) * 2000-10-02 2002-04-02 Chemergy Ltd. Fracturing fluid
US6776234B2 (en) * 2001-12-21 2004-08-17 Edward L. Boudreau Recovery composition and method
US6884762B2 (en) * 2002-10-28 2005-04-26 Newpark Drilling Fluids, L.L.C. Ester-containing downhole drilling lubricating composition and processes therefor and therewith
US8273689B2 (en) * 2004-03-03 2012-09-25 Baker Hughes Incorporated Method for lubricating and/or reducing corrosion of drilling equipment
US8716197B2 (en) 2004-03-03 2014-05-06 Baker Hughes Incorporated Lubricating compositions for use with downhole fluids
US7259130B2 (en) * 2004-08-03 2007-08-21 Halliburton Energy Services, Inc. Set-on demand, ester-based wellbore fluids and methods of using the same
CN1331978C (zh) * 2004-12-09 2007-08-15 中国石油天然气股份有限公司 一种钻井液用聚合醇润滑抑制剂及其应用
US20060293192A1 (en) * 2005-06-22 2006-12-28 Rutgers Organics Lubricants for drilling fluids and methods for using the same
US7829506B1 (en) * 2006-10-30 2010-11-09 Kamyar Tehranchi Clay stabilizing aqueous drilling fluids
US8703658B2 (en) 2007-03-09 2014-04-22 Canadian Energy Services L.P. Drilling fluid and methods
CA2594108C (en) * 2007-03-09 2014-06-03 Techstar Energy Services Inc. Drilling fluid and methods
CN102311722A (zh) * 2010-06-29 2012-01-11 哈尔滨杰力沃石油科技有限公司 石油钻井液用脂肪酸润滑剂
FR3000497B1 (fr) * 2012-12-28 2015-04-03 Total Raffinage Marketing Concentre d'additifs biodegradable ameliorant la lubrifiance des boues a l'eau, son utilisation et boue a l'eau pour le forage
EP3218444B1 (de) 2014-11-12 2023-06-07 Lamberti SPA Verfahren zur erhöhung der schmierfähigkeit von bohrlochflüssigkeiten
CN106543990B (zh) * 2015-09-23 2019-10-29 中国石油化工股份有限公司 一种提高泥岩钻进速度的钻井液及其制备方法和应用
CN105969324B (zh) * 2016-06-27 2018-08-21 沧州科迪泥浆有限公司 一种水基钻井液用非硫磷润滑剂
CN108239569B (zh) * 2016-12-27 2021-12-28 西铁城时计株式会社 装饰品用润滑处理剂、钟表的制造方法以及钟表
US10351750B2 (en) 2017-02-03 2019-07-16 Saudi Arabian Oil Company Drilling fluid compositions with enhanced rheology and methods of using same
CN107722952B (zh) * 2017-11-08 2019-04-16 中国石油大学(北京) 水基钻井液用合成酯润滑剂和水基钻井液
FR3075814B1 (fr) * 2017-12-27 2020-01-17 Oleon Nv Additif lubrifiant solide
US11124687B2 (en) * 2018-07-17 2021-09-21 Saudi Arabian Oil Company Synthesized lubricants for water-based drilling fluid systems
US11542422B2 (en) 2019-07-29 2023-01-03 Saudi Arabian Oil Company Water-based drilling fluids that include lubricants
US11299661B2 (en) * 2019-07-29 2022-04-12 Saudi Arabian Oil Company Water-based drilling fluids that include lubricants
US11365337B2 (en) * 2019-07-29 2022-06-21 Saudi Arabian Oil Company Lubricants that include alkyl esters and fatty acids
US11365365B2 (en) * 2019-07-29 2022-06-21 Saudi Arabian Oil Company Lubricants that include alkyl esters and fatty acids
CN110591664A (zh) * 2019-10-23 2019-12-20 成都碳原时代科技有限公司 一种连续油管作业用金属减阻润滑剂
US11760920B1 (en) 2022-04-06 2023-09-19 Halliburton Energy Services, Inc. Lubricant for monovalent and divalent brines
US12258514B2 (en) 2023-04-25 2025-03-25 Halliburton Energy Services, Inc. Non-greasing lubricant for high salinity fluids

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3277001A (en) * 1965-07-06 1966-10-04 Union Oil Co Aqueous lubricant
US3507791A (en) * 1967-02-01 1970-04-21 Sinclair Research Inc Biodegradable soluble lubricants
US4113635A (en) * 1971-12-13 1978-09-12 Nippon Steel Corporation Rust-proof lubricant compositions
GB1520422A (en) * 1974-10-31 1978-08-09 Exxon Research Engineering Co Industrial lubricant
US4178260A (en) * 1974-10-31 1979-12-11 Exxon Research & Engineering Co. Ester based metal working lubricants
US4374737A (en) * 1980-01-14 1983-02-22 Dana E. Larson Nonpolluting drilling fluid composition
US4409108A (en) * 1980-06-02 1983-10-11 Halliburton Company Lubricating composition for well fluids
JPS61213296A (ja) * 1985-03-19 1986-09-22 Kao Corp 金属材料の冷間圧延用潤滑油
SU1481252A1 (ru) * 1986-10-20 1989-05-23 Уфимский Нефтяной Институт Промывочна жидкость
DE3801476A1 (de) * 1988-01-20 1989-08-03 Henkel Kgaa Zusammensetzungen zur befreiung festgesetzter bohrgestaenge
US5318956A (en) * 1989-05-16 1994-06-07 Henkel Kommanditgesellschaft Auf Aktien Use of selected ester oils in water-based drilling fluids of the O/W emulsion type and corresponding drilling fluids with improved ecological acceptability
DE3915876A1 (de) * 1989-05-16 1990-11-22 Henkel Kgaa Verwendung ausgewaehlter esteroele in wasser-basierten bohrspuelungen vom o/w-emulsionstyp sowie entsprechende bohrspuelfluessigkeiten mit verbesserter oekologischer vertraeglichkeit
JPH0459894A (ja) * 1990-06-29 1992-02-26 Nippon Oil Co Ltd 潤滑油組成物
US5120708A (en) * 1991-03-06 1992-06-09 Baker Hughes Incorporated Non-poluting anti-stick water-base drilling fluid modifier and method of use
RU1808861C (ru) * 1991-05-15 1993-04-15 Московский Институт Нефти И Газа Им.И.М.Губкина Смазочный реагент к буровым растворам
GB9220719D0 (en) * 1992-10-01 1992-11-11 Alcan Int Ltd Lubricated metal workpiece and method

Also Published As

Publication number Publication date
NZ280484A (en) 1997-05-26
JP4246788B2 (ja) 2009-04-02
NO315521B1 (no) 2003-09-15
CA2163404C (fr) 2007-01-23
SG44334A1 (en) 1997-12-19
ZA959853B (en) 1997-08-21
MX9504833A (es) 1997-02-28
ES2166391T3 (es) 2002-04-16
JPH08283705A (ja) 1996-10-29
MY114688A (en) 2002-12-31
AU699675B2 (en) 1998-12-10
EP0713909A1 (de) 1996-05-29
NO954710D0 (no) 1995-11-21
CN1069339C (zh) 2001-08-08
US5618780A (en) 1997-04-08
CN1126745A (zh) 1996-07-17
AR000488A1 (es) 1997-07-10
EP0713909B1 (de) 2001-09-26
PT713909E (pt) 2002-02-28
BR9505241A (pt) 1997-09-16
DK0713909T3 (da) 2001-12-31
JP4234215B2 (ja) 2009-03-04
NO954710L (no) 1996-05-23
FR2727126B1 (fr) 1997-04-30
JP2008291273A (ja) 2008-12-04
DZ1942A1 (fr) 2002-02-17
AU3782595A (en) 1996-05-30
DE69522906D1 (de) 2001-10-31
DE69522906T2 (de) 2002-03-28
CA2163404A1 (fr) 1996-05-23
FR2727126A1 (fr) 1996-05-24

Similar Documents

Publication Publication Date Title
ATE206156T1 (de) Ester enthaltende schmierölzusammensetzung, verwendung dieser zusammensetzung und diese enthaltende bohrlochflüssigkeiten
DE69625088D1 (de) Verwendung von esterverbindungen in schmierölzusammensetzungen
DE69632831D1 (de) Verhinderung der bohrflussigkeit verluste und schmiermittelzusatz
DE69413636D1 (de) Reibungsmodifizierende Zusammensetzungen und ihre Verwendung
ID24814A (id) Komposisi shampo pengkondisi yang terdiri dari minyak ester pentaeritritol
DE69515166D1 (de) Schmierölzusammensetzung
DE69315274D1 (de) Herstellung von Schmierölen
DE69411563D1 (de) Schmierölzusammensetzung
ID16504A (id) Pembuatan minyak yang mengandung mikrobial pufa
DE69420197D1 (de) Schmierölzusammensetzung
DE69420030D1 (de) Schmierölzusammensetzung
DE69314554D1 (de) Modifizierung der Reibung synthetischer Getriebeöle
DE69529600D1 (de) Kühlgerät und Schmierölzusammensetzung
DE69423153D1 (de) Motorölzusammensetzungen, Zusatzkonzentrat zur Herstellung solcher Öle und ihre Verwendung
DE69611860D1 (de) Verwendung von Getriebe- und Zahnradöl mit verbesserten Reibungseigenschaften
DE69333826D1 (de) Schmierölzusammensetzung
DE69723395D1 (de) Aromatische ester von polyalkylphenoxyalkanolen und treibstoffzusammensetzungen, die letztere enthalten
DE69605853D1 (de) Schmierölzusammensetzung aus tierischen und pflanzlichen Ölen
DE69218660D1 (de) Dispergiermittelzusatz und diese enthaltende Schmierölzusammensetzung
DE69406705D1 (de) Schmierölzusammensetzung
DE69411922D1 (de) Schmierölzusammensetzung
DE69421523D1 (de) Ölezusätze und zusammensetzungen
ATE208626T1 (de) Propolis und mindestens ein ätherisches öl enthaltende zusammensetzung
DE69520415D1 (de) Schmiermitteladditiv und diese enthaltende Schmierfettzusammensetzung
FI972569A0 (fi) Triglyseridiöljyjen fraktiointi

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
EEIH Change in the person of patent owner
REN Ceased due to non-payment of the annual fee