"What can be more palpably absurd than the prospect held out of locomotives traveling twice as fast as stagecoaches?"
The Quarterly Review ; March edition, 1825
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 |
| 7442673 | Reaction products of mercaptobenzothiazoles, mercaptothiazolines, and mercaptobenzimidazoles with epoxides as lubricant additives A composition comprising: (A) a lubricant, and (B) at least one alcohol that is the reaction product of mercaptobenzothiazoles, mercaptothiazolines, or mercaptobenzimidazoles with various epoxies. ... | 10/28/2008 |
| 7381691 | Friction modifiers for improved anti-shudder performance and high static friction in transmission fluids A fluid composition of (a) a friction modifier derived from the reaction of a carboxylic acid or a reactive equivalent thereof with an aminoalcohol, the friction modifier containing at least two hydrocarbyl groups; and (b) a dispersant other than a species of (a), p... | 06/03/2008 |
| 7244695 | Method for reducing wear of steel elements in sliding-rolling contact According to the invention there is provided a method of reducing wear of one or both of two steel elements having surfaces in sliding or sliding-rolling contact. The method involves applying an HPF friction control composition to one, or more than one contacting su... | 07/17/2007 |
| 7045489 | Friction control compositions According to the invention there is provided a liquid friction control composition characterized as either having a high and positive friction characteristic or a low and neutral friction characteristic, comprising a retentivity agent. The liquid friction control co... | 05/16/2006 |
| 6689724 | Antioxidants and antioxidant boosters capable of producing hydroperoxyl radicals An antioxidant which comprises a primary aliphatic hydroxyl group linked to an organic backbone such that upon oxidation a hydroperoxyl moiety capable of boosting the efficacy of free radical scavengers and hydroperoxide decomposer type antioxidants is ge... | 02/10/2004 |
| 6566311 | 1,3,4-oxadiazole additives for lubricants Disclosed herein is a composition comprising: (A) a lubricant, and (B) at least one 1,3,4-oxadiazole compound of the formula: ##STR1## wherein wherein R1 is selected from the group consisting of hydrogen, linear or branched alkyl, alkenyl, alkaryl, ... | 05/20/2003 |
| 6048825 | Lubricant composition A lubricant composition suitable as a helicopter transmission lubricant comprises a synthetic base stock of viscosity in the range 5.0 to 10.0 cSt at 100° C., an antioxidant component, a neutral organic phosphate component, a dicarboxylic acid component,... | 04/11/2000 |
| 5458793 | Compositions useful as additives for lubricants and liquid fuels A composition useful as a lubricating oil or fuel additive comprising at least one compound of the formula ##STR1## wherein each Ar is independently an aromatic group having from 4 to about 30 carbon atoms and from 0 to 3 optional substituents, each ... | 10/17/1995 |
| 5451333 | Haze resistant dispersant-detergent compositions According to the present invention, oleaginous compositions having improved stability are provided, wherein high molecular weight ashless dispersants and metal detergents are pre-blended at a temperature of at least 100° C. for a period of from 1 to 10 h... | 09/19/1995 |
| 5340488 | Composition for cleaning an internal combustion engine A composition is disclosed which cleans baked-on, carbonized sludges and varnish deposits from the internal surfaces of automobile, motorcycle and truck engines. The product comprises a mutually synergistic solution of selected cyclic compounds, aliphatic... | 08/23/1994 |
| 5336439 | Salt compositions and concentrates for use in explosive emulsions The present invention provides for a novel salt composition comprising: (A) at least one salt moiety derived from (A)(I) at least one high-molecular weight hydrocarbyl-substituted polycarboxylic acylating agent, said hydrocarbyl-substituent of said acylat... | 08/09/1994 |
| 5298565 | Graft copolymers and lubricants containing such as dispersant-viscosity improvers A graft polymer is prepared by grafting, onto a polymeric substantially saturated hydrocarbon backbone, a free-radical polymerizable vinyl nitrogen monomer, which grafting takes place with improved efficiency in the presence of minor amounts of a volatile... | 03/29/1994 |
| 5178786 | Corrosion-inhibiting compositions and functional fluids containing same The invention provides a composition comprising: (A) at least one dicarboxylic acid or anhydride or at least one ammonium or metal salt of the dicarboxylic acid or anhydride; and (B) at least one compound represented by the formula ##STR1## wherein R | 01/12/1993 |
| 4886612 | Lubricating oil A lubricating oil exhibiting superior specific features particularly for metal plastic processing is provided, which lubricating oil comprises at least one member selected from the group consisting of compounds expressed by the formulas I, II, III, IV or ... | 12/12/1989 |
| 4839073 | Polyolefinic succinimide polyamine alkyl acetoacetate and substituted acetate adducts as compatibilizer additives in lubricating oil compositions This invention is to compatibility aids containing polyolefinic succinimide polyamide alkyl acetoacetate or trialkyl acetic anhydride adducts of the general formula: ##STR1## wherein Z1 and Z3 are the same or different and are m... | 06/13/1989 |
| 4822502 | Imidazoline promoter overbased calcium sulfonates A composition and process for preparing an overbased calcium sulfonate, in which a specific class of compounds is employed as promoters in making overbased calcium sulfonates. These promoters give an enhanced efficiency of the conversion of lime to an oil... | 04/18/1989 |
| 4659493 | Process for producing novel products by hydrogen fluoride with esters of fatty acids A process is disclosed for reacting hydrogen fluoride with a fatty acid ester having a melting point less than than 60° C. The resulting products and various applications for them as lubricants, lubricant additives and pharmaceutical carriers are also de... | 04/21/1987 |
| 4657684 | Multifunctional antiwear additives and compositions thereof Internal oxazoline acid phosphates provide effective antiwear and friction reducing characteristics for lubricant compositions when incorporated therein.... | 04/14/1987 |
| 4617133 | Friction reducing, antiwear additives Oxazoline salts of acid phosphates derived from hydrocarbyl diols are effective multifunctional friction reducing additives when incorporated into various fluid hydrocarbyl compositions.... | 10/14/1986 |
| 4486326 | Copper complexes of oxazolines and lactone oxazolines as lubricating oil additives There are disclosed lubricating oil compositions containing an oil soluble hydrocarbon substituted mono-oxazoline, bis-oxazoline or lactone oxazoline dispersant containing 0.2 to 2.0 wt % of complexed copper, the dispersant exhibiting improved varnish inh... | 12/04/1984 |
| 4479888 | Dispersing additives for lubricants, and the method for their preparation Dispersing additives for lubricating fluids are disclosed, which contain the oxazoline function and are prepared by reacting amino alcohols with mono or bicarboxylic linear or branched chain aliphatic acids having from 2 to 51 carbon atoms. These additive... | 10/30/1984 |
| 4455429 | Oxazolines of 2-(alkylthio)succinic acids as an additive for drilling muds A bis-oxazoline of the formula: ##STR1## wherein R represents an alkyl group of 6 to 50 carbons and X is selected from the group containing of an alkyl or hydroxyalkyl group and at least one of the X substituents being a hydroxy alkyl group of the st... | 06/19/1984 |
| 4388201 | Co-dispersant stabilized friction modifier lubricating oil composition Lubricating oil compositions which contain polycarboxylic acid-glycol esters as friction modifiers in combination with hydrocarbon soluble borated or non-borated alkenyl succinimide dispersant and especially those also containing metal additives are stabi... | 06/14/1983 |
| 4358387 | Cylinder lubricating oil composition A cylinder lubricating oil composition characterized by having a Total Base Number from about 50 to 100 comprising a mineral lubricating oil, from 10 to 20 percent of an overbased calcium sulfonate and an N-alkylglycine derivative having the formula: ... | 11/09/1982 |
| 4358385 | Lubricating oil composition A lubricating oil composition characterized by having a Total Base Number from about 5 to 40 comprising a mineral lubricating oil, an overbased calcium sulfonate, a zinc dihydrocarbyl dithiophosphate, an ethoxylated alkylphenol, an alkenylsuccinimide, a p... | 11/09/1982 |
| 4358386 | Marine crankcase lubricant A marine crankcase lubricating oil composition characterized by having a Total Base Number from about 3 to 10 comprising a mineral lubricating oil, an overbased calcium alkylphenolate, a zinc dihydrocarbyl dithiophosphate, an ethoxylated alkylphenol, and ... | 11/09/1982 |
| 4292184 | Thio-bis-(hydrocarbon-bisoxazolines) as oleaginous additives for lubricants and fuels Thio-bis-(hydrocarbon-bisoxazolines) which are the reaction products of thio-bis-(hydrocarbon substituted dicarboxylic acid material), for example, thio-bis-(polyisobutenyl succinic anhydride), with 2,2-disubstituted-2-amino-1-alkanols, such as tris-(hydr... | 09/29/1981 |
| 4288361 | Substituted oxazolines as stabilizers Oxazolines having at least one 3,5-dialkyl-4-hydroxyphenyl alkanoie acid ester substituent are provided. Such oxazolines are found to be useful as antioxidants in organic substances normally susceptible to oxidative deterioration.... | 09/08/1981 |
| 4256592 | Phosphorus-containing compounds and lubricants containing same Metal salts of hydrocarbyl oxazoline phosphorodithioic acids are novel compounds effective for reducing friction and wear when added to a lubricant.... | 03/17/1981 |
| 4253973 | Phosphorus-containing compounds and lubricants containing same Metal salts of phosphosulfurized hydrocarbyl oxazoline phosphorodithioic acids are novel compounds effective for reducing friction and wear when added to a lubricant.... | 03/03/1981 |
| 4253982 | Lubricant compositions Lubricant compositions are provided containing antiwear improving amounts of a bis-oxazoline having an alkyl group containing from about 4 to about 24 carbon atoms.... | 03/03/1981 |
| 4253978 | Phosphorus-containing compounds and lubricants containing same Metal salts of hydrocarbyl oxazoline phosphorodithioic acids are novel compounds effective for reducing friction and wear when added to a lubricant.... | 03/03/1981 |
| 4176073 | Molybdenum complexes of lactone oxazoline dispersants as friction reducing antiwear additives for lubricating oils A molybdenum complex of a lactone oxazoline dispersant, preferably an oil-soluble lactone oxazoline obtained as a reaction product of hydrocarbyl substituted lactone carboxylic acids, for example, polybutyl lactone carboxylic acid, with 2,2-disubstituted-... | 11/27/1979 |
| 4176074 | Molybdenum complexes of ashless oxazoline dispersants as friction reducing antiwear additives for lubricating oils An oil-soluble molybdenum complex of an ashless oxazoline dispersant, preferably an oil-soluble reaction product of a molybdenum compound such as molybdic oxide with 0.5 to 1 molar equivalent of a hydrocarbon substituted mono- and bisoxazolines obtained a... | 11/27/1979 |
| 4153566 | Oxazoline additives useful in oleaginous compositions Oxazoline reaction products of hydrocarbon substituted dicarboxylic acid, ester, or anhydride, for example octadecenylsuccinic anhydride, with 2,2-disubstituted-2-amino-1-alkanols, such as tris-hydroxymethylaminomethane (THAM), and their derivatives are u... | 05/08/1979 |
| 4102798 | Oxazoline additives useful in oleaginous compositions Oil soluble oxazoline reaction products of hydrocarbon substituted dicarboxylic acid, ester, or anhydride, for example polyisobutenylsuccinic anhydride, with 2,2-disubstituted-2-amino-1-alkanols, such as tris-hydroxymethylaminomethane (THAM), are useful a... | 07/25/1978 |
| 4097389 | Novel amino alcohol reaction products and compositions containing the same Alkenylsuccinic anhydride is reacted with an amino alcohol, such as tris(hydroxymethyl)aminomethane, to provide intermediate reaction products from which novel derivatives are obtained by reacting the said intermediate product with boric acid or organobor... | 06/27/1978 |
| 4062786 | Lactone oxazolines as oleaginous additives Lactone oxazoline reaction products of hydrocarbon substituted lactone carboxylic acids, for example, polybutyl lactone carboxylic acid, with 2,2-disubstituted-2-amino-1-alkanols, such as tris-(hydroxymethyl)aminomethane (THAM), and their derivatives are ... | 12/13/1977 |
| 4035309 | Metal-containing oxazoline additives and lubricating oils containing said additives Metal-containing oxazoline products from the metal salt (e.g. zinc acetate) promoted reaction of hydrocarbon substituted dicarboxylic acid material, for example, polyisobutenyl-succinic anhydride, with a 2,2-disubstituted-2-amino-1-alkanol, such as t... | 07/12/1977 |