Quotables
"I think there is a world market for maybe five computers."
Thomas Watson, chairman of IBM ; 1943
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7947634 | Process for making a lubricant having good rust inhibition A process to make a lubricant, comprising: blending together: a) about 0.001 to about 2 wt % of a mixture of amine phosphates; b) about 0.001 to about 0.5 wt % of an alkenyl succinic compound selected from the group consisting of an acid half ester, an anhydride, an... | 05/24/2011 |
| 7709424 | Lubricating oil composition and grease composition technical field A lubricating oil composition, which comprises a perfluoropolyether base oil, and a fluorine-containing polyether diphosphonic acid ester, represented by the following general formula: (R2O)(R1O)P(O)(CH2)aCF(CF | 05/04/2010 |
| 7101928 | Polymeric thickeners for oil-containing compositions Novel thickeners for oil-containing compositions are crystalline polymers, preferably side chain crystalline polymers, which (a) have a crystalline melting point, Tp, and an onset of melting temperature, To, such that Tp−To | 09/05/2006 |
| 7056871 | Lubricating oil composition which decreases copper corrosion and method of making same An oil-soluble additive composition and lubricating oil composition containing the same, comprising an organic sulfur-containing extreme pressure additive; a thiadiazole, wherein the thiadiazole does not contain a polycarboxylate moiety and the amount of dimercaptot... | 06/06/2006 |
| 6916766 | Circulating oil compositions A combination of an ashless dispersant comprising the reaction product of a succinic anhydride and a polyamine and an ashless rust inhibitor comprising a mixture of a succinic anhydride and a oxime substituted aromatic compound in a lubricant base stock along with a... | 07/12/2005 |
| 6867171 | Low molecular weight branched alkenyl succinic acid derivatives prepared from low molecular weight polyisobutene and unsaturated acidic reagents This invention is directed to a new low molecular weight branched alkenyl succinic acid derivative that may be prepared by reacting a low molecular weight polyisobutene (PIB) having from about 8 to about 32 carbon atoms, and wherein at least about 50% of the olefini... | 03/15/2005 |
| 6825154 | Crystal formation inhibition in lubricating compositions Lubricating oil formulations comprising base oil, sulfur-phosphorous anti-wear/extreme pressure agents and hindered phenol antioxidants which anti-wear/extreme-pressure agents and hindered phenolic antioxidants are prone to crystal formation wherein the base oil is ... | 11/30/2004 |
| 6780209 | Partially dehydrated reaction product process for making same, and emulsion containing same The disclosed invention relates to a composition comprising a partially dehydrated product made by: (I) reacting (A) a hydrocarbyl substituted succinic acid or anhydride with (B) a polyol, a polyamine, a hydroxyamine, or a mixture of two or more thereof, to f... | 08/24/2004 |
| 6737387 | Dispersed hydrated potassium borate compositions having improved properties in lubricating oil compositions Disclosed are dispersed hydrated potassium borate compositions, as well as additive packages and finished oil compositions comprising the same. The dispersed hydrated potassium borate compositions of the invention exhibit low turbidity and the finished oil compositi... | 05/18/2004 |
| 6632781 | Lubricant composition comprising alkali metal borate dispersed in a polyalkylene succinic anhydride and a metal salt of a polyisobutenyl sulfonate Disclosed are lubricant compositions comprising a dispersed hydrated alkali metal borate, a polyalkylene succinic dispersant selected from a polyalkylene succinic anhydride, a mixture of polyalkylene succinic anhydrides or derivatives thereof; and a metal... | 10/14/2003 |
| 6534450 | Dispersed hydrated sodium borate compositions having improved properties in lubricating oil compositions Disclosed are dispersed hydrated sodium borate compositions, as well as additive packages and finished oil compositions comprising the same. The dispersed hydrated sodium borate compositions of this invention exhibit decreased turbidity and the finished o... | 03/18/2003 |
| 6482779 | Lubricating grease composition and rolling apparatus comprising same A lubricating grease composition having a basic grease composition containing a synthetic oil as a base oil, and a lithium soap as a thickener. 0.5 to 10% by weight with respect to the basic grease composition total amount of at least one additive selecte... | 11/19/2002 |
| 6440905 | Surfactants and dispersants by in-line reaction A surfactant is synthesized from an amine or an alcohol and a hydrocarbyl-substituted succinic acylating agent by feeding the amine or alcohol into a stream comprising the hydrocarbyl substituted succinic acylating agent, to form a combined stream; passin... | 08/27/2002 |
| 6215033 | Dispersants and dispersant viscosity index improvers from selectively hydrogenated polymers: blends with lower molecular weight components The invention provides dispersants and dispersant viscosity index improvers which include polymers of conjugated dienes which have been hydrogenated, functionalized, optionally modified, and post treated. The dispersant substances include a copolymer of t... | 04/10/2001 |
| 6165235 | Low chlorine content compositions for use in lubricants and fuels Polyolefin substituted carboxylic acylating agents having reduced chlorine content of less than 2,000 ppm and a degree of succination of 1.1-2 have been made from polyisobutylene, chlorine and maleic anhydride. The acylating agents are further reacted wit... | 12/26/2000 |
| 6074995 | Triglycerides as friction modifiers in engine oil for improved fuel economy A friction modifier composition is disclosed that comprises an oil of lubricating viscosity and containing a friction-reducing amount of an additive comprising; (A) at least one natural oil comprising an animal oil or vegetable oil comprising a triglyceri... | 06/13/2000 |
| 6008169 | Refrigerator oil composition comprising saturated hydroxy fatty acids and derivatives thereof Disclosed is a refrigerator oil composition comprising at least one base oil selected from mineral oils and synthetic oils, and at least one hydroxy-fatty acid derivative selected from (A) hydroxy-fatty acids or their condensates, (B) metal salts or amine... | 12/28/1999 |
| 5972852 | Ester-free synthetic lubricating oils comprising polybutenyl substituted succinic acid or anhydride and hydrocarbon polymer Synthetic lubricating oils for use in lubricating internal combustion engines, having good compatibility with elastomeric seals and good stability, but without making use of organic acid ester basestocks, comprise a synthetic basestock such as polyalphaol... | 10/26/1999 |
| 5885944 | Low chlorine polyalkylene substituted carboxylic acylating agent compositions and compounds derived therefrom Polyalkylene substituted carboxylic acylating agents which contain chlorine are synthesized by chlorine induced condensation of polyalkylenes and -ଲ unsaturated carboxylic groups are treated with sulfur to reduce chlorine content of the carbo... | 03/23/1999 |
| 5840666 | Grease composition A grease composition comprising a base oil, a thickener selected from a metallic soap and a urea compound, and an inorganic filler having an average particle size of not greater than 2 μm, and a rolling bearing having sealed therein a grease composition ... | 11/24/1998 |
| 5538651 | Additive to improve fluidity of oil solutions of sheared polymers A composition comprising (A) an ethylene-alpha olefin-bicyclic non-conjugated diene copolymer, wherein the alpha olefin contains from 3 to about 24 carbon atoms; (B) at least one organic sulfur containing compound selected from the group consisting of mer... | 07/23/1996 |
| 5429758 | Graft copolymers prepared from solvent-free reactions and dispersant derivatives thereof Compositions useful as oil additives are prepared in a solvent or a solvent free system by reacting (B) an unsaturated carboxylic acid reagent with (A) a hydrogenated block copolymer in the presence of (C) free radical initiators. The formed reaction prod... | 07/04/1995 |
| 5422024 | Aqueous functional fluids Aqueous oil-in-water emulsion functional fluid comprising: water, an oil and an emulsifying quantity of a salt composition comprising: (A) at least one salt moiety derived from (A)(I) at least one high-molecular weight polycarboxylic acylating agent, said acylating... | 06/06/1995 |
| 5397487 | Lubricating oil for inhibiting rust formation A combination of succinic anhydride amine derivatives and tetra propenyl succinic acid derivative rust inhibitors has been found to be synergistically effective in reducing the formation of rust in lubricating oils.... | 03/14/1995 |
| 5338815 | Fine particulate crosslinked type n-vinylamide resin and microgel, process for preparing same, and use thereof A fine particulate crosslinked type N-vinylcarboxylic acid amide resin having an average particle size of 10 μm or less comprising backbone chains of a homopolymer or copolymer comprising repeating units (A) or (A) and (B) of the formulae: ##STR1## ... | 08/16/1994 |
| 5316696 | Composition A composition comprises a poly(oxyalkylene)glycol derivative and a long chain anhydride and optionally a hydroxy-oxime. The long chain anhydride can be an alk(en)yl succinic anhydride in which the alk(en)yl group contains at least six carbon atoms. The op... | 05/31/1994 |
| 5225091 | Ethylene alpha-olefin polymer substituted thiocarboxylic acid lubricant dispersant additives The present invention is directed to an oil-soluble lubricating oil additive comprising at least one terminally unsaturated ethylene alpha-olefin polymer of 300 to 10,000 number average molecular weight substituted with thiocarboxylic acid producing moiet... | 07/06/1993 |
| 5225094 | Lubricating oil having an average ring number of less than 1.5 per mole containing a succinic anhydride amine rust inhibitor The rust inhibition capability of a lubricating oil having an average ring number per mole of less than 1.5 can be enhanced by adding a rust inhibitor that is capable of reducing the oil/water interfacial tension to between about 1 to about 4 mN/m.... | 07/06/1993 |
| 5158696 | Oil soluble dispersant additives modified with bis-keto/thioketo compounds 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 nitrogen- or ester-containing ashless dispersant and (B) a bis-keto... | 10/27/1992 |
| 5023005 | Solution of oil and sulfone adduct A sulfone adduct which comprises the reaction product of: ##STR1## and an unsaturated hydrocarbon polymer wherein X is an alkyl group selected from the group consisting of Cn H2n +1, wherein n=1 to 18; X is an aryl group selecte... | 06/11/1991 |
| 4877557 | Lubricating oil composition Disclosed is a lubricating oil composition comprising, as indispensable components, (A) a synthetic hydrocarbon lubricating oil, (B) a load-withstanding additive and (C) a liquid modified ethylene/-olefin random copolymer. In this lubricating oil ... | 10/31/1989 |
| 4839094 | Overbased alkali metal additives A process for making an oil solution of a highly basic alkali metal compound which comprises (a) heating alkali metal hydroxide with an alkoxyalkanol and a solvent to remove water as an azeotrope with alkoxyalkanol and said solvent; (b) adding to the mixture s... | 06/13/1989 |
| 4826615 | Lubricating oil composition containing dual additive combination for low temperature viscosity improvement (PTF-004) There is disclosed a lubricating oil composition containing a dual additive combination for reducing the low temperature viscosity properties thereof. Such additive combination comprises a Component A, e.g., a polymethacrylate or esterified styrene/maleic... | 05/02/1989 |
| 4758365 | Polymeric additives useful for inhibition of the deposit of paraffins in crude oils This invention relates to polymeric additives useful for inhibition of the deposit of paraffins and improvement of the flow properties of crude oils and to compositions containing crude oils and such additives. The polymeric additive according to the inve... | 07/19/1988 |
| 4749504 | Oil-in-water emulsion and use thereof as metal processing oil or the like An oil-in-water emulsion of at least one polymer selected from the group consisting of (A) an ethylene/alpha-olefin random copolymer having (1) an ethylene content of 30 to 70 moles %, (2) a number average molecular weight (Mn) of 500 to 10,000, and (3) a weight av... | 06/07/1988 |
| 4657685 | Emulsion type liquid lubricant for metal forming, process for preparing the lubricant and process for metal forming with the lubricant A substantially water-free, emulsion type liquid lubricant for metal forming which comprises: (a) a lubricating oil, (b) at least one of phosphoric acid esters represented by the general formula: ##STR1## wherein R is alkyl, alkylalkenyl or aryl; n ... | 04/14/1987 |
| 4647387 | Succinic anhydride promoter overbased magnesium sulfonates and oils containing same An engine or lubricating oil containing 0.03 to 0.3% by weight of a succinic anhydride promoter reaction product for a overbased magnesium sulfonate, based on the presence of 0.5% by weight of Mg metal in the oil, and wherein the weight of the reaction pr... | 03/03/1987 |
| 4600519 | Process for improving friction modification properties of a power transmission fluid with an alkylthio succinic acid or anhydride There are disclosed power shift transmission fluids such as automatic transmission fluids containing a friction modifier additive being an oil soluble alkylthio succinic anhydride or acid, such as octadecyl thiosuccinic acid or anhydride.... | 07/15/1986 |
| 4519925 | Sulfur-containing compounds and lubricants containing them Sulfur-containing compounds of the formula ##STR1## wherein R is a hydrocarbyl radical; each of R1, R2, R3 and R4 is independently hydrogen or a hydrocarbyl radical; m' is from one to about five; and each A... | 05/28/1985 |
| 4427565 | Novel class of rust inhibitors for fuels and oils Novel rust inhibitors for hydrocarbon fuels and oils are provided. Also, novel photo-adducts of dimethylmaleic anhydride and olefins useful as rust inhibitors.... | 01/24/1984 |
