FR2603591B1 - Emulsions concentrees de copolymeres d'ethylene et d'esters vinyliques, leur procede de preparation et leur utilisation comme agent ameliorant les caracteristiques d'ecoulement d'huiles brutes, de gazoles et de distillats moyens - Google Patents

Emulsions concentrees de copolymeres d'ethylene et d'esters vinyliques, leur procede de preparation et leur utilisation comme agent ameliorant les caracteristiques d'ecoulement d'huiles brutes, de gazoles et de distillats moyens

Info

Publication number
FR2603591B1
FR2603591B1 FR8703955A FR8703955A FR2603591B1 FR 2603591 B1 FR2603591 B1 FR 2603591B1 FR 8703955 A FR8703955 A FR 8703955A FR 8703955 A FR8703955 A FR 8703955A FR 2603591 B1 FR2603591 B1 FR 2603591B1
Authority
FR
France
Prior art keywords
gasols
preparation
vinyl esters
flow characteristics
ethylene copolymers
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
FR8703955A
Other languages
English (en)
Other versions
FR2603591A1 (fr
Inventor
Michael Muller
Horst Pennewiss
Jurgen Gebhardt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Roehm GmbH Darmstadt
Original Assignee
Roehm GmbH Darmstadt
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 Roehm GmbH Darmstadt filed Critical Roehm GmbH Darmstadt
Publication of FR2603591A1 publication Critical patent/FR2603591A1/fr
Application granted granted Critical
Publication of FR2603591B1 publication Critical patent/FR2603591B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L33/00Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • C08L33/04Homopolymers or copolymers of esters
    • C08L33/06Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04Homopolymers or copolymers of ethene
    • C08L23/08Copolymers of ethene
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10LFUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L1/00Liquid carbonaceous fuels
    • C10L1/10Liquid carbonaceous fuels containing additives
    • C10L1/14Organic compounds
    • C10L1/146Macromolecular compounds according to different macromolecular groups, mixtures thereof
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10LFUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L1/00Liquid carbonaceous fuels
    • C10L1/10Liquid carbonaceous fuels containing additives
    • C10L1/14Organic compounds
    • C10L1/18Organic compounds containing oxygen
    • C10L1/192Macromolecular compounds
    • C10L1/195Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L51/00Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L53/00Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10LFUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L1/00Liquid carbonaceous fuels
    • C10L1/10Liquid carbonaceous fuels containing additives
    • C10L1/14Organic compounds
    • C10L1/18Organic compounds containing oxygen
    • C10L1/192Macromolecular compounds
    • C10L1/195Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • C10L1/196Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds derived from monomers containing a carbon-to-carbon unsaturated bond and a carboxyl group or salts, anhydrides or esters thereof homo- or copolymers of compounds having one or more unsaturated aliphatic radicals each having one carbon bond to carbon double bond, and at least one being terminated by a carboxyl radical or of salts, anhydrides or esters thereof
    • C10L1/1963Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds derived from monomers containing a carbon-to-carbon unsaturated bond and a carboxyl group or salts, anhydrides or esters thereof homo- or copolymers of compounds having one or more unsaturated aliphatic radicals each having one carbon bond to carbon double bond, and at least one being terminated by a carboxyl radical or of salts, anhydrides or esters thereof mono-carboxylic
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10LFUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L1/00Liquid carbonaceous fuels
    • C10L1/10Liquid carbonaceous fuels containing additives
    • C10L1/14Organic compounds
    • C10L1/18Organic compounds containing oxygen
    • C10L1/192Macromolecular compounds
    • C10L1/195Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • C10L1/197Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds derived from monomers containing a carbon-to-carbon unsaturated bond and an acyloxy group of a saturated carboxylic or carbonic acid
    • C10L1/1973Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds derived from monomers containing a carbon-to-carbon unsaturated bond and an acyloxy group of a saturated carboxylic or carbonic acid mono-carboxylic
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10LFUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L1/00Liquid carbonaceous fuels
    • C10L1/10Liquid carbonaceous fuels containing additives
    • C10L1/14Organic compounds
    • C10L1/22Organic compounds containing nitrogen
    • C10L1/234Macromolecular compounds
    • C10L1/236Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds derivatives thereof
    • C10L1/2364Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds derivatives thereof homo- or copolymers derived from unsaturated compounds containing amide and/or imide groups
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10LFUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L1/00Liquid carbonaceous fuels
    • C10L1/10Liquid carbonaceous fuels containing additives
    • C10L1/14Organic compounds
    • C10L1/22Organic compounds containing nitrogen
    • C10L1/234Macromolecular compounds
    • C10L1/236Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds derivatives thereof
    • C10L1/2366Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds derivatives thereof homo- or copolymers derived from unsaturated compounds containing amine groups
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10LFUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L1/00Liquid carbonaceous fuels
    • C10L1/10Liquid carbonaceous fuels containing additives
    • C10L1/14Organic compounds
    • C10L1/22Organic compounds containing nitrogen
    • C10L1/234Macromolecular compounds
    • C10L1/236Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds derivatives thereof
    • C10L1/2368Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds derivatives thereof homo- or copolymers derived from unsaturated compounds containing heterocyclic compounds containing nitrogen in the ring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Health & Medical Sciences (AREA)
  • Polymers & Plastics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Emergency Medicine (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Graft Or Block Polymers (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Lubricants (AREA)
  • Colloid Chemistry (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Paints Or Removers (AREA)
FR8703955A 1986-04-19 1987-03-23 Emulsions concentrees de copolymeres d'ethylene et d'esters vinyliques, leur procede de preparation et leur utilisation comme agent ameliorant les caracteristiques d'ecoulement d'huiles brutes, de gazoles et de distillats moyens Expired - Lifetime FR2603591B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3613247A DE3613247C2 (de) 1986-04-19 1986-04-19 Konzentrierte Emulsionen aus Ethylen-Vinylacetat-Copolymeren, Verfahren zu deren Herstellung und deren Verwendung als Stockpunktverbesserer

Publications (2)

Publication Number Publication Date
FR2603591A1 FR2603591A1 (fr) 1988-03-11
FR2603591B1 true FR2603591B1 (fr) 1993-02-05

Family

ID=6299049

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8703955A Expired - Lifetime FR2603591B1 (fr) 1986-04-19 1987-03-23 Emulsions concentrees de copolymeres d'ethylene et d'esters vinyliques, leur procede de preparation et leur utilisation comme agent ameliorant les caracteristiques d'ecoulement d'huiles brutes, de gazoles et de distillats moyens

Country Status (12)

Country Link
US (1) US4906682A (fr)
JP (1) JPH089665B2 (fr)
AU (1) AU587323B2 (fr)
BE (1) BE906158A (fr)
CA (1) CA1286432C (fr)
DE (1) DE3613247C2 (fr)
FR (1) FR2603591B1 (fr)
GB (1) GB2189251B (fr)
IT (1) IT1208394B (fr)
NL (1) NL8700919A (fr)
NO (1) NO177754C (fr)
SU (1) SU1690546A3 (fr)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3725059A1 (de) * 1987-07-29 1989-02-09 Roehm Gmbh Polymere fliessverbesserer fuer mitteldestillate
US5349019A (en) * 1988-12-24 1994-09-20 Hoechst New copolymers, mixtures thereof with poly(meth)acrylate esters and the use thereof for improving the cold fluidity of crude oils
DE3843922A1 (de) * 1988-12-24 1990-06-28 Hoechst Ag Neue copolymere, deren mischungen mit poly(meth)acrylsaeureestern und deren verwendung zur verbesserung der fliessfaehigkeit von rohoelen in der kaelte
DE3905681A1 (de) * 1989-02-24 1990-08-30 Basf Ag Konzentrierte mischungen von pfropfcopolymerisaten aus estern von ungesaettigten saeuren und ethylen-vinylester-copolymerisaten
DE3922146A1 (de) * 1989-07-06 1991-01-17 Roehm Gmbh Additive fuer dieselkraftstoff
GB9213871D0 (en) 1992-06-30 1992-08-12 Exxon Chemical Patents Inc Oil additives and compositions
DE4426003A1 (de) * 1994-07-22 1996-01-25 Basf Ag Umsetzungsprodukte von Polyolefinen mit Vinylestern und ihre Verwendung als Kraft- und Schmierstoffadditive
CN1063218C (zh) * 1995-11-29 2001-03-14 鲁布里佐尔公司 蜡状倾点下降剂的分散体
US5851429A (en) * 1996-04-08 1998-12-22 The Lubrizol Corporation Dispersions of waxy pour point depressants
GB9702238D0 (en) * 1997-02-04 1997-03-26 Bp Chem Int Ltd Compositions
GB2336368B (en) * 1997-02-04 2001-06-27 Bp Chem Int Ltd Compositions
DE19739271A1 (de) * 1997-09-08 1999-03-11 Clariant Gmbh Additiv zur Verbesserung der Fließfähigkeit von Mineralölen und Mineralöldestillaten
DE19823565A1 (de) 1998-05-27 1999-12-02 Clariant Gmbh Mischungen von Copolymeren mit verbesserter Schmierwirkung
AU1934400A (en) * 1998-12-04 2000-06-19 Bj Services Company Winterized paraffin crystal modifiers
DE10015533A1 (de) * 1999-11-30 2001-06-28 Rohmax Additives Gmbh Blockcopolymere sowie Verfahren zur Hestellung und Verwendung
DE10249294A1 (de) * 2002-10-22 2004-05-13 Rohmax Additives Gmbh Stabile Polymerdispersionen und Verfahren zur Herstellung
DE10249292A1 (de) * 2002-10-22 2004-05-13 Rohmax Additives Gmbh Polymerdispersionen mit geringer Viskosität und Verfahren zur Herstellung
DE10249295A1 (de) * 2002-10-22 2004-05-13 Rohmax Additives Gmbh Polymerdispersionen mit hoher Stabilität und Verfahren zur Herstellung
FR2859211B1 (fr) * 2003-08-28 2006-01-21 Ceca Sa Compositions sous forme d'emulsions stables, leurs preparations et leurs utilisation pour l'abaissement du point d'ecoulement des huiles brutes et l'inhibition du depot de paraffines
DE10349851B4 (de) * 2003-10-25 2008-06-19 Clariant Produkte (Deutschland) Gmbh Kaltfließverbesserer für Brennstofföle pflanzlichen oder tierischen Ursprungs
DE10349850C5 (de) * 2003-10-25 2011-12-08 Clariant Produkte (Deutschland) Gmbh Kaltfließverbesserer für Brennstofföle pflanzlichen oder tierischen Ursprungs
DE10356595A1 (de) 2003-12-04 2005-06-30 Basf Ag Brennstoffölzusammensetzungen mit verbesserten Kaltfließeigenschaften
DE10357877B4 (de) * 2003-12-11 2008-05-29 Clariant Produkte (Deutschland) Gmbh Brennstofföle aus Mitteldestillaten und Ölen pflanzlichen oder tierischen Ursprungs mit verbesserten Kälteeigenschaften
DE10357878C5 (de) * 2003-12-11 2013-07-25 Clariant Produkte (Deutschland) Gmbh Brennstofföle aus Mitteldestillaten und Ölen pflanzlichen oder tierischen Ursprungs mit verbesserten Kälteeigenschaften
DE10357880B4 (de) * 2003-12-11 2008-05-29 Clariant Produkte (Deutschland) Gmbh Brennstofföle aus Mitteldestillaten und Ölen pflanzlichen oder tierischen Ursprungs mit verbesserten Kälteeigenschaften
JP5038650B2 (ja) * 2006-04-21 2012-10-03 東邦化学工業株式会社 原油用流動性改良剤
EP1923454A1 (fr) 2006-11-17 2008-05-21 Basf Se Agent d'amélioration de l'écoulement à froid.
US7842738B2 (en) * 2007-10-26 2010-11-30 Conocophillips Company High polymer content hybrid drag reducers
WO2009092730A1 (fr) * 2008-01-22 2009-07-30 Basf Se Production de mélanges d'additifs
EP2305753B1 (fr) 2009-09-25 2012-02-29 Evonik RohMax Additives GmbH Composition pour améliorer les propriétés d'écoulement à froid d'huiles combustibles
US9574146B2 (en) * 2012-12-18 2017-02-21 Basf Se Polymeric compositions composed of ethylene-vinyl ester copolymers alkyl (meth)acrylates, processes for production thereof and use thereof as pour point depressants for crude oils, mineral oils or mineral oil products
ES2584839T3 (es) * 2013-02-04 2016-09-29 Evonik Oil Additives Gmbh Mejorador del flujo en frío con amplia aplicabilidad en diésel mineral, biodiésel y combinaciones de los mismos
MX2017004771A (es) 2014-10-13 2017-10-12 Avery Dennison Corp Emulsiones y productos de polímero de etilvinilacetato/acrílico y métodos relacionados con estos.
ITUB20156295A1 (it) 2015-12-03 2017-06-03 Versalis Spa Emulsioni acquose contenenti copolimeri etilene-vinilacetato, loro procedimento di preparazione e loro impiego come additivi anti-gelificanti di greggi petroliferi.
DE102015226635A1 (de) 2015-12-23 2017-06-29 Clariant International Ltd Polymerzusammensetzungen mit verbesserter Handhabbarkeit
AU2017205434A1 (en) 2016-01-06 2018-07-05 Championx Usa Inc. Temperature-stable paraffin inhibitor compositions
RU2736835C2 (ru) 2016-01-06 2020-11-20 ЭКОЛАБ ЮЭсЭй ИНК. Термостабильные композиции ингибиторов парафинообразования
CA3019857A1 (fr) 2016-04-07 2017-10-12 Ecolab Usa Inc. Molecules a logp faible pour un point de solidification diminue de concentres d'inhibiteur de paraffine
US10858575B2 (en) 2017-06-02 2020-12-08 Championx Usa Inc. Temperature-stable corrosion inhibitor compositions and methods of use
RU2704480C1 (ru) * 2018-12-04 2019-10-29 Самарин Александр Владимирович Способ получения вакуумных дистиллятных фракций с улучшенными низкотемпературными свойствами
CA3238015A1 (fr) 2021-11-15 2023-05-19 Evonik Operations Gmbh Dispersions a base d'acetate de vinyle-ethylene appropriees en tant qu'ameliorants de point d'ecoulement presentant une performance et une stabilite ameliorees

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB193272A (en) * 1922-02-15 1923-02-22 Chicago Pneumatic Tool Co Improvements in piston and crank connections for pneumatic tools and the like
US3048479A (en) * 1959-08-03 1962-08-07 Exxon Research Engineering Co Ethylene-vinyl ester pour depressant for middle distillates
US3382055A (en) * 1965-02-24 1968-05-07 Exxon Research Engineering Co Polyalkylethyleneoxide pour point depressant additive
NL134313C (fr) * 1966-06-01
NL6709453A (fr) * 1967-07-07 1969-01-09
DE2048308A1 (en) * 1970-10-01 1972-04-06 Badische Anilin & Soda Fabrik AG, 6700 Ludwigshafen Pour point depressants - for paraffinic crude oils consisting of mixed ethylene-vinyl acetate copolymers
US3669189A (en) * 1970-10-28 1972-06-13 Union Oil Co Method for inhibiting the deposition of wax from a wax-containing oil
FR2149588A6 (en) * 1971-08-13 1973-03-30 Texaco Development Corp Low-pour point fuel oils - contg ethylene - vinyl ester copolymer
US3904385A (en) * 1972-05-08 1975-09-09 Texaco Inc Polyacrylates and waxy residual fuel compositions thereof
GB1473155A (fr) * 1974-09-04 1977-05-11
DE2905954C2 (de) * 1979-02-16 1982-10-28 Röhm GmbH, 6100 Darmstadt Konzentrierte Polymerisatemulsionen als Viskositätsindexverbesserer für Mineralöle
US4476270A (en) * 1980-06-06 1984-10-09 E. I. Du Pont De Nemours And Company Process for making high solids acrylic dispersion lacquer
JPS5840391A (ja) * 1981-09-03 1983-03-09 Sumitomo Chem Co Ltd 燃料油の低温流動性改良方法
JPS6017476B2 (ja) * 1982-09-20 1985-05-02 日本合成化学工業株式会社 石油類用低温流動性改善剤
FR2572410B1 (fr) * 1984-10-25 1987-09-04 Elf Aquitaine Copolymeres d'ethylene greffes utilisables notamment comme additifs pour l'inhibition du depot de paraffines dans les huiles brutes et compositions renfermant les huiles et lesdits additifs
US4611031A (en) * 1985-01-28 1986-09-09 Rohm And Haas Company Process for the preparation of a compatibilizer for concentrated polymer blends and compatibilizer product

Also Published As

Publication number Publication date
DE3613247C2 (de) 1995-04-27
NO177754C (no) 1995-11-15
FR2603591A1 (fr) 1988-03-11
AU7170687A (en) 1987-10-22
GB8709156D0 (en) 1987-05-20
DE3613247A1 (de) 1987-10-22
NO177754B (no) 1995-08-07
GB2189251B (en) 1989-11-29
NO870167L (no) 1987-10-20
NL8700919A (nl) 1987-11-16
AU587323B2 (en) 1989-08-10
US4906682A (en) 1990-03-06
BE906158A (fr) 1987-04-16
CA1286432C (fr) 1991-07-16
JPS62252431A (ja) 1987-11-04
SU1690546A3 (ru) 1991-11-07
NO870167D0 (no) 1987-01-15
IT1208394B (it) 1989-06-12
IT8767329A0 (it) 1987-04-17
GB2189251A (en) 1987-10-21
JPH089665B2 (ja) 1996-01-31

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