GB1197474A - Polymeric Wax Crystal Modifiers for High Wax Content Petroleum Oils - Google Patents

Polymeric Wax Crystal Modifiers for High Wax Content Petroleum Oils

Info

Publication number
GB1197474A
GB1197474A GB40549/67A GB4054967A GB1197474A GB 1197474 A GB1197474 A GB 1197474A GB 40549/67 A GB40549/67 A GB 40549/67A GB 4054967 A GB4054967 A GB 4054967A GB 1197474 A GB1197474 A GB 1197474A
Authority
GB
United Kingdom
Prior art keywords
polymeric
wax
petroleum oils
crystal modifiers
content petroleum
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
Application number
GB40549/67A
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.)
ExxonMobil Technology and Engineering Co
Original Assignee
Exxon Research and Engineering Co
Esso Research and Engineering Co
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 Research and Engineering Co, Esso Research and Engineering Co filed Critical Exxon Research and Engineering Co
Publication of GB1197474A publication Critical patent/GB1197474A/en
Expired legal-status Critical Current

Links

Classifications

    • 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, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L1/00—Liquid carbonaceous fuels
    • C10L1/10—Liquid carbonaceous fuels containing additives
    • C10L1/14—Organic compounds
    • C10L1/18—Organic compounds containing oxygen
    • C10L1/192—Macromolecular compounds
    • C10L1/195—Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G73/00—Recovery or refining of mineral waxes, e.g. montan wax
    • C10G73/02—Recovery of petroleum waxes from hydrocarbon oils; Dewaxing of hydrocarbon oils
    • C10G73/04—Recovery of petroleum waxes from hydrocarbon oils; Dewaxing of hydrocarbon oils with the use of filter aids
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G73/00—Recovery or refining of mineral waxes, e.g. montan wax
    • C10G73/02—Recovery of petroleum waxes from hydrocarbon oils; Dewaxing of hydrocarbon oils
    • C10G73/06—Recovery of petroleum waxes from hydrocarbon oils; Dewaxing of hydrocarbon oils with the use of solvents
    • 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, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L1/00—Liquid carbonaceous fuels
    • C10L1/10—Liquid carbonaceous fuels containing additives
    • C10L1/14—Organic compounds
    • C10L1/16—Hydrocarbons
    • C10L1/1625—Hydrocarbons macromolecular compounds
    • C10L1/1633—Hydrocarbons macromolecular compounds homo- or copolymers obtained by reactions only involving carbon-to carbon unsaturated bonds
    • C10L1/1641—Hydrocarbons macromolecular compounds homo- or copolymers obtained by reactions only involving carbon-to carbon unsaturated bonds from compounds containing aliphatic monomers
    • 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, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L1/00—Liquid carbonaceous fuels
    • C10L1/10—Liquid carbonaceous fuels containing additives
    • C10L1/14—Organic compounds
    • C10L1/16—Hydrocarbons
    • C10L1/1625—Hydrocarbons macromolecular compounds
    • C10L1/1633—Hydrocarbons macromolecular compounds homo- or copolymers obtained by reactions only involving carbon-to carbon unsaturated bonds
    • C10L1/165—Hydrocarbons macromolecular compounds homo- or copolymers obtained by reactions only involving carbon-to carbon unsaturated bonds from compounds containing aromatic monomers
    • 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, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L1/00—Liquid carbonaceous fuels
    • C10L1/10—Liquid carbonaceous fuels containing additives
    • C10L1/14—Organic compounds
    • C10L1/16—Hydrocarbons
    • C10L1/1625—Hydrocarbons macromolecular compounds
    • C10L1/1633—Hydrocarbons macromolecular compounds homo- or copolymers obtained by reactions only involving carbon-to carbon unsaturated bonds
    • C10L1/1666—Hydrocarbons macromolecular compounds homo- or copolymers obtained by reactions only involving carbon-to carbon unsaturated bonds from compounds containing non-conjugated dienes
    • 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, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L1/00—Liquid carbonaceous fuels
    • C10L1/10—Liquid carbonaceous fuels containing additives
    • C10L1/14—Organic compounds
    • C10L1/18—Organic compounds containing oxygen
    • C10L1/192—Macromolecular compounds
    • C10L1/195—Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • C10L1/196—Macromolecular 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
    • C10L1/1963—Macromolecular 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
    • 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, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L1/00—Liquid carbonaceous fuels
    • C10L1/10—Liquid carbonaceous fuels containing additives
    • C10L1/14—Organic compounds
    • C10L1/18—Organic compounds containing oxygen
    • C10L1/192—Macromolecular compounds
    • C10L1/195—Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • C10L1/196—Macromolecular 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
    • C10L1/1966—Macromolecular 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 poly-carboxylic
    • 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, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L1/00—Liquid carbonaceous fuels
    • C10L1/10—Liquid carbonaceous fuels containing additives
    • C10L1/14—Organic compounds
    • C10L1/18—Organic compounds containing oxygen
    • C10L1/192—Macromolecular compounds
    • C10L1/195—Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • C10L1/197—Macromolecular 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
    • C10L1/1973—Macromolecular 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
    • 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, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L1/00—Liquid carbonaceous fuels
    • C10L1/10—Liquid carbonaceous fuels containing additives
    • C10L1/14—Organic compounds
    • C10L1/22—Organic compounds containing nitrogen
    • C10L1/234—Macromolecular compounds
    • C10L1/236—Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds derivatives thereof
    • C10L1/2364—Macromolecular 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Liquid Carbonaceous Fuels (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Lubricants (AREA)

Abstract

1,197,474. Polymeric oil additives. ESSO RESEARCH & ENG. CO. 5 Sept., 1967 [14 Oct., 1966], No. 40549/67. Heading C3P. [Also in Division C5] The examples describe the preparation of the following oil additive polymer and copolymer (1) behenyl fumarate/vinyl acetate copolymer using t-butyl perbenzoate as catalyst and nheptane as solvent and (2) poly-n-C 24 methacrylate using azobisisobutyronitrile as catalyst and n-heptane as solvent.
GB40549/67A 1966-10-14 1967-09-05 Polymeric Wax Crystal Modifiers for High Wax Content Petroleum Oils Expired GB1197474A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US58665466A 1966-10-14 1966-10-14

Publications (1)

Publication Number Publication Date
GB1197474A true GB1197474A (en) 1970-07-08

Family

ID=24346613

Family Applications (1)

Application Number Title Priority Date Filing Date
GB40549/67A Expired GB1197474A (en) 1966-10-14 1967-09-05 Polymeric Wax Crystal Modifiers for High Wax Content Petroleum Oils

Country Status (7)

Country Link
US (1) US3729296A (en)
BE (1) BE745920Q (en)
CA (2) CA977549A (en)
DE (2) DE1645738A1 (en)
FR (1) FR1553794A (en)
GB (1) GB1197474A (en)
NL (1) NL154550B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3765849A (en) * 1971-07-07 1973-10-16 Exxon Research Engineering Co Flow improvers for hydrocarbon oils and method of preparing same
US7067599B2 (en) 1998-12-02 2006-06-27 Infineum International Ltd. Fuel oil additives and compositions

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3926579A (en) * 1968-09-16 1975-12-16 Exxon Research Engineering Co Petroleum crude oils containing polymers comprised of c' 18'+14 c' 40 'alpha-olefins have reduced tendency to deposit wax
US3854893A (en) * 1972-06-14 1974-12-17 Exxon Research Engineering Co Long side chain polymeric flow improvers for waxy hydrocarbon oils
US4514314A (en) * 1981-06-02 1985-04-30 Exxon Research And Engineering Co. Oil soluble ester pour point depressant additive for lubricants
US4460453A (en) * 1982-09-29 1984-07-17 Exxon Research And Engineering Co. Solvent dewaxing waxy bright stock using a combination polydialkyl fumarate-vinyl acetate copolymer and polyalkyl (meth-) acrylate polymer dewaxing aid
US4439308A (en) * 1982-09-29 1984-03-27 Exxon Research And Engineering Co. Solvent dewaxing waxy bright stock using a combination polydialkylfumarate-vinyl acetate copolymer and wax-naphthalene condensate dewaxing aid
JPH08912B2 (en) 1982-09-29 1996-01-10 エクソン・リサーチ・アンド・エンジニアリング・カンパニー Solvent dewaxing of row bright stock containing blends using polydialkyl fumarate-vinyl acetate copolymer and wax-naphthalene condensate dewaxing aids
US4461698A (en) * 1982-09-29 1984-07-24 Exxon Research And Engineering Co. Solvent dewaxing waxy hydrocarbon distillate oils using a combination wax-naphthalene condensate and poly-dialkylfumarate/vinyl acetate copolymer dewaxing aid
US4406771A (en) * 1982-09-29 1983-09-27 Exxon Research And Engineering Co. Solvent dewaxing waxy hydrocarbon oil distillates using a combination poly di-alkyl fumarate-vinyl acetate copolymer having pendent carbon side chain length of predominantly C22 and polyalkyl(meth-)acrylate polymer dewaxing aid
US4451353A (en) * 1982-09-29 1984-05-29 Exxon Research And Engineering Co. Solvent dewaxing waxy hydrocarbon distillates using a combination poly acrylate polymer and polymethacrylate polymer dewaxing aid
US4670130A (en) * 1984-03-14 1987-06-02 Exxon Research & Engineering Co. The use of dialkyl fumarate-vinyl acetate copolymers as dewaxing aids
US4956492A (en) * 1984-03-14 1990-09-11 Exxon Research And Engineering Co. Dialkyl fumarate - vinyl acetate copolymers useful as dewaxing aids
US4594142A (en) * 1985-04-25 1986-06-10 Exxon Research And Engineering Co. Dewaxing waxy hydrocarbon oils using di-alkyl fumarate-vinyl laurate copolymer dewaxing aids
US4564438A (en) * 1985-05-31 1986-01-14 Nalco Chemical Company Styrene-dialkyl maleate copolymers as dewaxing agents
GB8521393D0 (en) * 1985-08-28 1985-10-02 Exxon Chemical Patents Inc Middle distillate compositions
GB8521392D0 (en) * 1985-08-28 1985-10-02 Exxon Chemical Patents Inc Middle distillate composition
US4728414A (en) * 1986-11-21 1988-03-01 Exxon Research And Engineering Company Solvent dewaxing using combination poly (n-C24) alkylmethacrylate-poly (C8 -C20 alkyl (meth-) acrylate dewaxing aid
DE3818438A1 (en) * 1988-05-31 1989-12-07 Roehm Gmbh MINERAL OIL WITH IMPROVED FLOW BEHAVIOR
US6616716B2 (en) * 1997-12-15 2003-09-09 Maersk Olie & Gas A/S Method of improving the flow properties of a crude oil or natural gas liquid
US6136760A (en) * 1999-09-21 2000-10-24 Exxon Research And Engineering Company Reducing low temperature scanning brookfield gel index value in engine oils (LAW798)
US7417009B2 (en) * 2004-03-26 2008-08-26 Nalco Company Paraffin inhibitors
US8143202B2 (en) * 2006-11-07 2012-03-27 Ciba Corp. Methacrylate copolymer pour point depressants
DE102011003855A1 (en) * 2011-02-09 2012-08-09 Evonik Rohmax Additives Gmbh Process for dewaxing mineral oil compositions

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2600448A (en) * 1949-07-15 1952-06-17 Rohm & Haas Copolymers from allyl esters and acrylic esters
US2600446A (en) * 1949-07-15 1952-06-17 Rohm & Haas Copolymers of methacrylates and allyl esters
US2600383A (en) * 1949-07-15 1952-06-17 Rohm & Haas Copolymers from allyl esters and methacrylic esters
US2628198A (en) * 1951-03-31 1953-02-10 Standard Oil Dev Co Alkyl maleate-vinyl acetate copolymers
US2721877A (en) * 1951-08-22 1955-10-25 Exxon Research Engineering Co Lubricating oil additives and a process for their preparation
US2825717A (en) * 1954-05-06 1958-03-04 Exxon Research Engineering Co Dialkyl fumarate-vinyl acetate copolymers
US2993032A (en) * 1956-02-03 1961-07-18 California Research Corp Detergent copolymers
US3046226A (en) * 1958-02-19 1962-07-24 Minnesota Mining & Mfg Lubricating oil compositions
US3087893A (en) * 1958-08-11 1963-04-30 Exxon Research Engineering Co Copolymers of maleic anhydride and unsaturated esters as additives in oils
US3001942A (en) * 1958-12-15 1961-09-26 California Research Corp Lubricant composition
BE637124A (en) * 1962-09-07
BE657317A (en) * 1964-12-18 1965-06-18

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3765849A (en) * 1971-07-07 1973-10-16 Exxon Research Engineering Co Flow improvers for hydrocarbon oils and method of preparing same
US7067599B2 (en) 1998-12-02 2006-06-27 Infineum International Ltd. Fuel oil additives and compositions

Also Published As

Publication number Publication date
DE1794416A1 (en) 1976-08-12
NL154550B (en) 1977-09-15
CA980568A (en) 1975-12-30
BE745920Q (en) 1970-07-16
DE1794416B2 (en) 1981-05-14
DE1645738A1 (en) 1970-12-23
US3729296A (en) 1973-04-24
NL6713932A (en) 1968-04-16
CA977549A (en) 1975-11-11
FR1553794A (en) 1969-01-17

Similar Documents

Publication Publication Date Title
GB1197474A (en) Polymeric Wax Crystal Modifiers for High Wax Content Petroleum Oils
GB1147904A (en) Fuel compositions
GB1205772A (en) Fuel oil compositions
FR2009502A1 (en) Copolymers of olefins and carbon monoxide - as oil point depressants
GB1050234A (en)
GB1214985A (en) Improved graphite compositions and lubricating compositions containing them
GB1172950A (en) Esters of Styrene-Maleic Anhydride Copolymers, their production and use
CA938575A (en) Desulfurization of heavy hydrocarbon oils
GB1198958A (en) Solid Fuel Composition
ES421335A1 (en) Recovery of carbon from aqueous dispersions
CA834073A (en) Ethylene and carbon monoxide copolymer pour-point depressant for middle distillates
GB1074919A (en) Multigrade engine oils
GB1121543A (en) Improvements in or relating to lubricants and industrial oils
GB1054277A (en)
GB1165084A (en) Ethylene-Vinyl Ester Copolymers as Pour Depressants for Distillate Fuels
FR2149588A6 (en) Low-pour point fuel oils - contg ethylene - vinyl ester copolymer
GB1210431A (en) Mosquito control oil
BE770902R (en) Low-pour point fuel oils - contg ethylene - vinyl ester copolymer
FR1398539A (en) Paraffinic petroleum fractions with improved pumpability
NL7110849A (en) Low-pour point fuel oils - contg ethylene - vinyl ester copolymer
GB1252198A (en)
GB1054501A (en)
GB1226557A (en)
AU242508B2 (en) Liquid hydrocarbons polymers suitable as synthetic lubricating oils
AU403291B2 (en) Metal sulfonates as smoke suppressants in fuel oils

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee