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| Number | Title | Issue Date |
| 7309681 | Ashless lubricating oil composition with long life An ashless natural gas engine lubricating composition which has enhanced resistance to oxidation, nitration and viscosity increase employs as additives in a lubricating oil basestock a combination of phenolic and alkylthiocarbamoyl antioxidants and an ashless phosph... | 12/18/2007 |
| 7253231 | Grafted multi-functional olefin copolymer VI modifiers and uses thereof A novel highly grafted, multi-functional olefin copolymer is provided comprising an additive reaction product of a method comprising reacting acylating agent with an olefin copolymer having a number average molecular weight greater than about 1,000 in the presence o... | 08/07/2007 |
| 7253138 | Corrosion and gas hydrate inhibitors having improved water solubility and increased biodegradability The invention provides the compounds of the formula (1) where R1 is C1- to C22-alkyl, C2- to C22-alkenyl, C6- to C30-aryl ... | 08/07/2007 |
| 7097674 | Diesel fuel compositions that contain glycerol acetal carbonates A diese fuel composition containing a major proportion of at least one diesel fuel and a minor proportion of at least one glycerol acetal carbonate of the formulae: in which: R1... | 08/29/2006 |
| 5614595 | Polymers based on conjugated dienes Polymers Ia and Ib carrying functional groups and obtainable by A) 1. hydrogenation of the olefinic double bonds of a polymer IIa comprising a) from 20 to 100% by weight of a conjugated diene, b) from 0 to 80% by weight of an aromatic vinyl compound, and c) from 0 ... | 03/25/1997 |
| 5520829 | Lubricating oil containing dispersant viscosity index improver Lube oils of improved properties contain ethylene-propylene copolymer bearing moieties derived from the reaction product of allyl glycidyl ether and a heterocyclic amine such as N-(3-aminopropyl) morpholine.... | 05/28/1996 |
| 5468404 | Lubricating oil additives, their preparation and use A lubricating oil soluble compound suitable for use as a dispersant additive is obtainable by reacting at elevated temperature a polyepoxide with a dispersant having at least one reactive nitrogen-containing moiety. Intermediates of the general formula IV... | 11/21/1995 |
| 5439603 | Lubricating oil additives, their preparation and use A lubricating oil soluble compound suitable for use as a dispersant additive is obtainable by reacting at elevated temperature an epoxyacrylate with a dispersant having at least one reactive nitrogen-containing moiety. Intermediates of the general formula... | 08/08/1995 |
| 5424366 | Multifunctional viscosity index improver containing phenothiazine Multi-functional viscosity index improvers for lubricating oils containing an EPM or EPDM polymer onto which has been grafted an unsaturated functional monomer containing phenothiazine.... | 06/13/1995 |
| 5407591 | Oil soluble dispersant additives comprising the reaction product of a mannich base and a polyepoxide An oil soluble dispersant comprising the reaction products of: (1) oil soluble salts, amides, imides, oxazolines, esters, or mixtures thereof of long chain hydrocarbyl substituted mono- and dicarboxlic acids or their anhydrides, (ii) long chain hydrocarbon hav... | 04/18/1995 |
| 5407592 | Multifunctional additives A lubricant of fuel composition contains a multifunctional antioxidant/metal deactivating and thermal stabilizing amount of a tolyltriazole-derived Mannich base made from a tolyltriazole, an aliphatic amine, such as diisobutylamine or bis(2-ethylhexyl)ami... | 04/18/1995 |
| 5397486 | Lubricating oil compositions for railroad diesel engines Disclosed are lubricating oil compositions for use in 2-cycle railroad diesel engines having silver surfaced engine parts, which composition comprises an effective amount of a silver wear inhibiting compound. A method for inhibiting wear of silver-surface... | 03/14/1995 |
| 5362411 | Antirust/dispersant additive for lubricants Reaction products of hydrocarbylsuccinic anhydrides, polyamines and triazoles, as exemplified by XRT 2143A, have been found to be effective rust/corrosion inhibiting, thermal stabilizing and superior dispersant additives with excellent cleanliness feature... | 11/08/1994 |
| 5274102 | Epoxy functional copolymer of higher -olefin and unsaturated dicarboxylic acid ester and derivatives thereof Epoxy functional copolymers of a higher -olefin, and an unsaturated dicarboxylic acid ester formed by copolymerization of olefin, acid ester and ethylenically unsaturated glycidyl compound can be used to form nitrogen, oxygen, phosphorus and/or sul... | 12/28/1993 |
| 5217634 | Polyepoxide modified adducts or reactants and oleaginous compositions containing same A material useful as a dispersant additive in oleaginous compositions selected from fuels and lubricating oils comprising the reaction products of: (i) at least one intermediate adduct comprised of the reaction products of (a) at least one polyepoxide, and (b)... | 06/08/1993 |
| 5205947 | Dispersant additives comprising amine adducts of dicarboxylic acid monoepoxy thiol reaction products The present invention is directed to an oil-soluble lubricating oil additive comprising at least one adduct of (A) a polyolefin of 700 to 5,000 number average molecular weight substituted with carboxylic acid producing moieties (preferably acid or anhydri... | 04/27/1993 |
| 5200100 | Multifunctional viscosity index improver containing phenothiazine Multi-functional viscosity index improvers for lubricating oils containing an EPM or EPDM polymer onto which has been grafted an unsaturated functional monomer containing phenothiazine.... | 04/06/1993 |
| 5182034 | Internal mold release compositions Internal mold release compositions for use in preparing molded polymeric products are disclosed which contain (a) a primary or secondary amine, (b) a carboxylic acid or amido carboxylic acid salt of a group II metal or of aluminum, lithium, copper, iron, ... | 01/26/1993 |
| 5053150 | Polyepoxide modified adducts or reactants and oleaginous compositions containing same A compound useful as a dispersant additive in oleaginous compositions selected from fuels and lubricating oils comprising the reaction products of: (i) at least one intermediate adduct comprised of the reaction products of (a) at least one polyepoxide, and (b)... | 10/01/1991 |
| 5030369 | Oil soluble dispersant additives useful in oleaginous compositions An oil soluble dispersant comprising the reaction products of: (1)(i) oil soluble salts, amides, imides, oxazolines, esters, or mixtures thereof of long chain hydrocarbyl substituted mono- and dicarboxylic acids or their anhydrides; (ii) long chain hydrocarbon... | 07/09/1991 |
| 5026495 | Oil soluble dispersant additives useful in oleaginous compositions An oil soluble dispersant comprising the reaction products of: (1) oil soluble salts, amides, imides, oxazolines, esters, or mixtures thereof of long chain hydrocarbyl substituted mono- and dicarboxylic acids or their anhydrides; (ii) long chain hydrocarbon ha... | 06/25/1991 |
| 4957645 | Oil soluble dispersant additives useful in oleaginous compositions An oil soluble dispersant comprising the reaction products of: (1) (i) oil soluble salts, amides, imides, oxazolines, esters, or mixtures thereof of long chain hydrocarbyl substituted mono- and dicarboxylic acids or their anhydrides, (ii) long chain hydrocarbo... | 09/18/1990 |
| 4904404 | Lubricating oil containing viscosity index improver A lubricating oil contains, as a multifunctional additive, a polymer such as an ethylene - propylene copolymer, bearing graft moieties derived from allyl glycidyl ether, or glycidyl methacrylate as a graft monomer polymer being functionalized with (i) N-v... | 02/27/1990 |
| 4886611 | Hydrocarbon compositions containing polyolefin graft polymers Fuel oils and lubricants of improved properties contain ethylene-propylene copolymers bearing units derived from N-vinyl pyrrolidone and phenothiazine.... | 12/12/1989 |
| 4877834 | Lubricating oil containing a Mannich base A lubricating oil contains a carbon-carbon backbone polymer containing residual unsaturation and bearing graft moieties derived from graft monomers containing ethylenic unsaturation and an epoxide moiety, and bonded to at least one of said graft moieties ... | 10/31/1989 |
| 4876019 | Internal mold release compositions Internal mold release compositions for use in preparing molded polymeric products are disclosed which contain (a) a primary or secondary amine (b) a carboxylic acid or amido carboxylic acid salt of a group II metal or of aluminum, lithium, copper, iron, c... | 10/24/1989 |
| 4846984 | Lubricant additives derived from aminomercaptothiadiazole and lubricant compositions containing same Disclosed herein is the reaction product of 5-amino-2-mercapto-1,3,4-thiadiazole with hydrocarbyl epoxides. The resulting reaction product finds use as an additive in lubricating oil compositions.... | 07/11/1989 |
| 4842756 | Multifunctional viscosity index improver Lubricating oils of improved oxidative stability, dispersancy, and viscosity index contain ethylene-propylene copolymer bearing allyl glycidyl ether or glycidyl methacrylate graft monomer--which has been functionalized with 2,5-dimethyl aniline or 2,6-dim... | 06/27/1989 |
| 4812261 | Lubricating oil containing viscosity index improver Lubricating oil of improved dispersancy and anti-oxidancy contains an ethylene-propylene copolymer onto which has been graft polymerized allyl glycidyl ether, the graft polymer having been thereafter functionalized with (i) N-vinyl pyrrolidone and (ii) a ... | 03/14/1989 |
| 4790948 | Lubricating oil containing dispersant viscosity index improver Lubricating oils of improved properties contain a terpolymer of glycidyl methacrylate, lauryl methacrylate, and stearyl methacrylate which has been functionalized or coupled with phenothiazine and with N-methyl piperazine.... | 12/13/1988 |
| 4780230 | Lubricating oil containing a mannich base A lubricating oil contains a carbon-carbon backbone polymer containing residual unsaturation and bearing graft moieties derived from graft monomers containing ethylenic unsaturation and an epoxide moiety, and bonded to at least one of said graft moieties ... | 10/25/1988 |
| 4767555 | Hydrophobic epoxide modified polyoxyalkylene diamines and thickened aqueous fluids Aqueous fluids are thickened with epoxide modified polyoxyalkylene diamines. The polyoxyalkylene diamines are of the formula: wherein: R is methyl or hydrogen and x is a number selected to give the diamine a molecular weight of 3000 to 9000. The epoxide is a h... | 08/30/1988 |
| 4621141 | Additives for improving low temperature characteristics of fuels and method for use thereof A telomeric acid, a tertiary amine, and an epoxide are reacted in the absence of added water. The product recovered is effective in improving the filterability and reducing the pour point of diesel fuel. Alternatively the product can be prepared by reacti... | 11/04/1986 |
| 4510063 | Amine-polymer dispersants in lubricating oils and a method of improving the dispersancy of a lubricating oil Polymers containing amine functionality, prepared by hydrolyzing polymers bearing carbamate functionality, may be converted to dispersants useful in lubricating oils.... | 04/09/1985 |
| 4284415 | Additives for hydrocarbon oils An additive for inhibiting sedimentation and retarding degradation of hydrocarbon oils as evidenced by discoloration comprises the reaction product of an alkoxyalkylamine with an epihalohydrin at a temperature from about 40° C. to about 150° C. in the p... | 08/18/1981 |
| 4252745 | Polymeric reaction products of alkoxyalkylamines and epihalohydrins Novel compositions comprise the polymeric reaction products of primary alkoxyalkylamines with epihalohydrins at temperatures in the range from about 40° C. to about 150° C. in the presence of an inorganic base. Such reaction products may be used as sedi... | 02/24/1981 |
| 4252746 | Polymeric reaction products of poly(alkoxyalkylene)amines and epihalohydrins Novel compositions of matter comprise the reaction products of one molar proportion of poly(oxyalkylene)amines with from about 0.5 to about 2.0 molar proportion of epihalohydrins at a temperature from about 40° C. to about 150° C. in the presence of an ... | 02/24/1981 |
| 4216099 | Bridged phenol metal salt/halo carboxylic acid condensate additives for lubricants Compositions made by reacting (I) a metal phenoxide salt of a bridged phenol of 2 to about 20 phenol groups and (II) a carboxylic acid reagent containing from one to about three carboxyl-based groups and a halogen-substituted hydrocarbon-based aliphatic o... | 08/05/1980 |
| 4203855 | Phenoxide-halo carboxylic acid condensate additives for lubricants Compositions made by reacting (I) a metal phenoxide substituted with at least one hydrocarbon-based group of at least about 30 carbon atoms with (II) a carboxylic acid reagent containing from one to about three carboxyl-based groups and a halogen-substitu... | 05/20/1980 |
| 4186102 | Lubricating oil composition The reaction product of (a) high molecular weight hydrocarbon-substituted phenols, (b) aldehydes, (c) ammonia or amines having a reactive hydrogen atom, and (d) alkylene oxides are effective dispersants for lubricating oil and impart detergent properties ... | 01/29/1980 |
