GB1559952A - Lubricating oil compositions - Google Patents
Lubricating oil compositions Download PDFInfo
- Publication number
- GB1559952A GB1559952A GB44555/77A GB4455577A GB1559952A GB 1559952 A GB1559952 A GB 1559952A GB 44555/77 A GB44555/77 A GB 44555/77A GB 4455577 A GB4455577 A GB 4455577A GB 1559952 A GB1559952 A GB 1559952A
- Authority
- GB
- United Kingdom
- Prior art keywords
- carbon atoms
- oil
- composition
- additive
- weight
- 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
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 22
- 239000010687 lubricating oil Substances 0.000 title claims abstract description 13
- 239000000654 additive Substances 0.000 claims abstract description 38
- 239000002199 base oil Substances 0.000 claims abstract description 29
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 24
- 230000000996 additive effect Effects 0.000 claims abstract description 21
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 21
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims abstract description 6
- 150000001298 alcohols Chemical class 0.000 claims description 8
- 239000000178 monomer Substances 0.000 claims description 6
- 230000000881 depressing effect Effects 0.000 claims description 4
- 239000012141 concentrate Substances 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 11
- 235000019198 oils Nutrition 0.000 description 11
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 3
- KGIGUEBEKRSTEW-UHFFFAOYSA-N 2-vinylpyridine Chemical class C=CC1=CC=CC=N1 KGIGUEBEKRSTEW-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000010710 diesel engine oil Substances 0.000 description 2
- 239000010711 gasoline engine oil Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical class C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 239000010775 animal oil Substances 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 229920001400 block copolymer Polymers 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010696 ester oil Substances 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000007037 hydroformylation reaction Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010688 mineral lubricating oil Substances 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 150000003018 phosphorus compounds Chemical class 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 150000003138 primary alcohols Chemical class 0.000 description 1
- 229920005604 random copolymer Polymers 0.000 description 1
- 125000003011 styrenyl group Chemical class [H]\C(*)=C(/[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
Classifications
-
- 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
- C10M149/00—Lubricating compositions characterised by the additive being a macromolecular compound containing nitrogen
- C10M149/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C10M149/10—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a nitrogen-containing hetero ring
-
- 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
- C10M145/00—Lubricating compositions characterised by the additive being a macromolecular compound containing oxygen
- C10M145/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C10M145/10—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate
- C10M145/12—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate monocarboxylic
- C10M145/14—Acrylate; Methacrylate
-
- 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
- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
-
- 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
- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
- C10M2203/108—Residual fractions, e.g. bright stocks
-
- 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
- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
-
- 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
- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
- C10M2205/06—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing conjugated dienes
-
- 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
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/40—Fatty vegetable or animal oils
-
- 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
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/40—Fatty vegetable or animal oils
- C10M2207/402—Castor oils
-
- 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
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/40—Fatty vegetable or animal oils
- C10M2207/404—Fatty vegetable or animal oils obtained from genetically modified species
-
- 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
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/08—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate type
- C10M2209/084—Acrylate; Methacrylate
-
- 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
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene 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
- C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2217/02—Macromolecular compounds obtained from nitrogen containing monomers by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2217/028—Macromolecular compounds obtained from nitrogen containing monomers by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a nitrogen-containing hetero ring
-
- 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
- C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2217/06—Macromolecular compounds obtained by functionalisation op polymers with a nitrogen containing compound
-
- 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
- C10N2070/00—Specific manufacturing methods for lubricant compositions
- C10N2070/02—Concentrating of additives
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Lubricants (AREA)
Priority Applications (11)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB44555/77A GB1559952A (en) | 1977-10-26 | 1977-10-26 | Lubricating oil compositions |
| CA000311808A CA1117517A (en) | 1977-10-26 | 1978-09-21 | Lubricating oil compositions |
| BE1009100A BE871277A (nl) | 1977-10-26 | 1978-10-16 | Smeeroliecomposities |
| NL7810586A NL190644C (nl) | 1977-10-26 | 1978-10-24 | Smeeroliecomposities. |
| DK471778A DK150547C (da) | 1977-10-26 | 1978-10-24 | Smoereoliepraeparat og smoereoliekoncentrat |
| FR7830189A FR2407259A1 (fr) | 1977-10-26 | 1978-10-24 | Compositions d'huiles lubrifiantes comprenant certains polyalcoylacrylates ou methacrylates |
| DE19782846253 DE2846253A1 (de) | 1977-10-26 | 1978-10-24 | Schmieroelgemische |
| SE7811066A SE431225B (sv) | 1977-10-26 | 1978-10-24 | Smorjoljekomposition innefattande en hydrokrackad basolja med tillsats av en blandning av polyalkyl(met)akrylater, samt koncentrat av blandningen |
| JP13012978A JPS5470305A (en) | 1977-10-26 | 1978-10-24 | Lubricating composition |
| CH1098778A CH638559A5 (en) | 1977-10-26 | 1978-10-24 | Lubricating oil mixtures |
| AT0761778A AT366091B (de) | 1977-10-26 | 1978-10-24 | Schmieroelgemische |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB44555/77A GB1559952A (en) | 1977-10-26 | 1977-10-26 | Lubricating oil compositions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1559952A true GB1559952A (en) | 1980-01-30 |
Family
ID=10433843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB44555/77A Expired GB1559952A (en) | 1977-10-26 | 1977-10-26 | Lubricating oil compositions |
Country Status (11)
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3339103A1 (de) * | 1983-10-28 | 1985-05-09 | Röhm GmbH, 6100 Darmstadt | Additive fuer schmieroele |
| US4620048A (en) * | 1980-03-26 | 1986-10-28 | Exxon Research & Engineering Co. | Hydrocarbon solutions of macromolecular polymers having an improved resistance to mechanical degradation |
| US4822508A (en) * | 1985-12-13 | 1989-04-18 | Rohm Gmbh | Shear stable multirange oils having an improved viscosity index |
| US4844829A (en) * | 1987-08-19 | 1989-07-04 | Pennzoil Products Company | Methacrylate pour point depressants and compositions |
| US4956111A (en) * | 1987-08-19 | 1990-09-11 | Pennzoil Products Company | Methacrylate pour point depressants and compositions |
| US5043087A (en) * | 1986-04-25 | 1991-08-27 | Rohn Gmbh | Addives for paraffinic lubricants |
| WO1999010454A3 (en) * | 1997-08-22 | 1999-05-27 | Roehm Rohmax Holding Gmbh | Mixtures of high- and low-molecular weight poymeric additives for the improvement of the low-temperature fluidity of lubricating oils |
| US6255261B1 (en) | 1999-09-22 | 2001-07-03 | Ethyl Corporation | (Meth) acrylate copolymer pour point depressants |
| US8143202B2 (en) | 2006-11-07 | 2012-03-27 | Ciba Corp. | Methacrylate copolymer pour point depressants |
| WO2013062924A3 (en) * | 2011-10-27 | 2013-07-11 | The Lubrizol Corporation | Lubricating composition containing an esterified polymer |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3607444A1 (de) * | 1986-03-07 | 1987-09-10 | Roehm Gmbh | Additive fuer mineraloele mit stockpunktverbessernder wirkung |
| US5149452A (en) * | 1990-12-19 | 1992-09-22 | Exxon Research And Engineering Company | Wax isomerate having a reduced pour point |
| US5891831A (en) * | 1996-02-20 | 1999-04-06 | Sanyo Chemical Industries, Ltd. | Viscosity index improver, engine lubricant composition, and concentrate |
| JP4583137B2 (ja) * | 2004-10-22 | 2010-11-17 | Ｊｘ日鉱日石エネルギー株式会社 | 変速機用潤滑油組成物 |
| AU2007316725B2 (en) * | 2006-11-07 | 2012-07-05 | Basf Se | Methacrylate copolymer pourpoint depressants |
| WO2008152984A1 (ja) * | 2007-06-08 | 2008-12-18 | Toho Chemical Industry Co., Ltd. | 潤滑油用流動点降下剤 |
| JP6043245B2 (ja) * | 2013-07-05 | 2016-12-14 | Ｊｘエネルギー株式会社 | ポリ（メタ）アクリレート系粘度指数向上剤、並びに該粘度指数向上剤を含有する潤滑油添加剤及び潤滑油組成物 |
| JP6077956B2 (ja) * | 2013-07-05 | 2017-02-08 | Ｊｘエネルギー株式会社 | ポリ（メタ）アクリレート系粘度指数向上剤、並びに該粘度指数向上剤を含有する潤滑油添加剤及び潤滑油組成物 |
| US9783757B2 (en) | 2012-07-24 | 2017-10-10 | Jx Nippon Oil & Energy Corporation | Poly(meth)acrylate-based viscosity index improver, lubricant additive and lubricant composition containing viscosity index improver |
| WO2015110340A1 (en) * | 2014-01-21 | 2015-07-30 | Evonik Oil Additives Gmbh | Pour point depressants for improving the low-temperature viscosity of aged lubricating oil |
| JP6438069B2 (ja) * | 2016-04-26 | 2018-12-12 | 三洋化成工業株式会社 | 潤滑油組成物 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2655479A (en) * | 1949-01-03 | 1953-10-13 | Standard Oil Dev Co | Polyester pour depressants |
| GB1347713A (en) * | 1971-05-05 | 1974-02-27 | Shell Int Research | Alkyl methacrylate polymer compositions suitable as luboil additives |
| DE2250406A1 (de) * | 1971-05-05 | 1974-04-18 | Sun Oil Co Pennsylvania | Schmiermittelgemisch |
-
1977
- 1977-10-26 GB GB44555/77A patent/GB1559952A/en not_active Expired
-
1978
- 1978-09-21 CA CA000311808A patent/CA1117517A/en not_active Expired
- 1978-10-16 BE BE1009100A patent/BE871277A/xx not_active IP Right Cessation
- 1978-10-24 AT AT0761778A patent/AT366091B/de not_active IP Right Cessation
- 1978-10-24 FR FR7830189A patent/FR2407259A1/fr active Granted
- 1978-10-24 DE DE19782846253 patent/DE2846253A1/de active Granted
- 1978-10-24 CH CH1098778A patent/CH638559A5/de not_active IP Right Cessation
- 1978-10-24 NL NL7810586A patent/NL190644C/xx not_active IP Right Cessation
- 1978-10-24 DK DK471778A patent/DK150547C/da not_active IP Right Cessation
- 1978-10-24 JP JP13012978A patent/JPS5470305A/ja active Granted
- 1978-10-24 SE SE7811066A patent/SE431225B/sv not_active IP Right Cessation
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4620048A (en) * | 1980-03-26 | 1986-10-28 | Exxon Research & Engineering Co. | Hydrocarbon solutions of macromolecular polymers having an improved resistance to mechanical degradation |
| US4968444A (en) * | 1983-10-28 | 1990-11-06 | Rohm Gmbh | Lubricating oil additives |
| DE3339103A1 (de) * | 1983-10-28 | 1985-05-09 | Röhm GmbH, 6100 Darmstadt | Additive fuer schmieroele |
| US4822508A (en) * | 1985-12-13 | 1989-04-18 | Rohm Gmbh | Shear stable multirange oils having an improved viscosity index |
| US5043087A (en) * | 1986-04-25 | 1991-08-27 | Rohn Gmbh | Addives for paraffinic lubricants |
| US4844829A (en) * | 1987-08-19 | 1989-07-04 | Pennzoil Products Company | Methacrylate pour point depressants and compositions |
| US4956111A (en) * | 1987-08-19 | 1990-09-11 | Pennzoil Products Company | Methacrylate pour point depressants and compositions |
| WO1999010454A3 (en) * | 1997-08-22 | 1999-05-27 | Roehm Rohmax Holding Gmbh | Mixtures of high- and low-molecular weight poymeric additives for the improvement of the low-temperature fluidity of lubricating oils |
| US6458749B2 (en) | 1997-08-22 | 2002-10-01 | Rohmax Additives Gmbh | Method for improving low-temperature fluidity of lubricating oils using high-and-low-molecular weight polymer |
| CN1104487C (zh) * | 1997-08-22 | 2003-04-02 | 罗麦斯添加剂有限公司 | 使用高和低分子量的聚合物添加剂混合物来改进润滑油的低温流动性的方法 |
| US6255261B1 (en) | 1999-09-22 | 2001-07-03 | Ethyl Corporation | (Meth) acrylate copolymer pour point depressants |
| US8143202B2 (en) | 2006-11-07 | 2012-03-27 | Ciba Corp. | Methacrylate copolymer pour point depressants |
| WO2013062924A3 (en) * | 2011-10-27 | 2013-07-11 | The Lubrizol Corporation | Lubricating composition containing an esterified polymer |
Also Published As
| Publication number | Publication date |
|---|---|
| NL7810586A (nl) | 1979-05-01 |
| DK471778A (da) | 1979-04-27 |
| FR2407259B1 (enrdf_load_stackoverflow) | 1982-04-30 |
| DK150547C (da) | 1987-09-28 |
| ATA761778A (de) | 1981-07-15 |
| JPS6224480B2 (enrdf_load_stackoverflow) | 1987-05-28 |
| DE2846253C2 (enrdf_load_stackoverflow) | 1992-12-03 |
| AT366091B (de) | 1982-03-10 |
| FR2407259A1 (fr) | 1979-05-25 |
| DE2846253A1 (de) | 1979-05-03 |
| NL190644B (nl) | 1994-01-03 |
| CA1117517A (en) | 1982-02-02 |
| DK150547B (da) | 1987-03-23 |
| CH638559A5 (en) | 1983-09-30 |
| JPS5470305A (en) | 1979-06-06 |
| NL190644C (nl) | 1994-06-01 |
| BE871277A (nl) | 1979-04-17 |
| SE431225B (sv) | 1984-01-23 |
| SE7811066L (sv) | 1979-04-27 |
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| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PE20 | Patent expired after termination of 20 years |
Effective date: 19971025 |