Famous Patents
Pong, the Atari creation that launched the computer game craze, came with these instructions: "Avoid missing ball for high score."
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 |
| 7550415 | Lubricating oil composition A lubricating oil composition is disclosed containing base oil, glycerol monooleate and one or more nitrile compounds. A method of lubricating an internal combustion engine is also disclosed. ... | 06/23/2009 |
| 7348298 | Enhancing thermal conductivity of fluids with graphite nanoparticles and carbon nanotube A fluid media such as oil or water, and a selected effective amount of carbon nanomaterials necessary to enhance the thermal conductivity of the fluid. One of the preferred carbon nanomaterials is a high thermal conductivity graphite, exceeding that of the neat flui... | 03/25/2008 |
| 6548454 | Rolling apparatus containing a liquid fluorinated polymer oil and thickening agent The present invention provides a rolling apparatus comprising a movable member which can undergo rotary or linear motion, a support member which carries the movable member, rolling elements which are interposed between the movable member and the support m... | 04/15/2003 |
| 6130190 | Liquid crystal and surfactant containing lubricant compositions A lubricating composition comprising a liquid crystal and a surfactant is disclosed. The inventive composition increase the lubricity of lubricant oils, reduce the wear rate or metals being lubricated, and increase the load bearing properties of lubricant... | 10/10/2000 |
| 5807814 | Bis(thio)ethylene ashless wear inhibitors and lubricating oils and greases Oil soluble compounds having the formula: ##STR1## wherein R and R1 are independently cyano, alkoxycarbonyl, aryloxycarbonyl, alkenyloxycarbonyl, alkylcarbonyl, arylcarbonyl, alkenylcarbonyl, alkylsulfonyl, arylsulfonyl, alkenylsulfonyl, s... | 09/15/1998 |
| 5683618 | Refrigeration compositions in which the lubricant comprises at least one ester, ketoester, or ester-nitrile oil Lubricants having a viscosity suitable for a refrigeration lubricant as well as good miscibility with common refrigerants (including R-134a) comprise at least one oil corresponding to the formula Z--C(E)(E')p --Qs in which Z is alkyl... | 11/04/1997 |
| 5663127 | Perfluoropolyether lubricating compositions A lubricating composition containing about 0.1-10 weight percent of a perfluoropolyether lubricant containing perfluoropolyether molecules having at least one hydrogen-containing end group per molecule, and about 99.9-90 weight percent of a liquid, perflu... | 09/02/1997 |
| 5213699 | N-allyl substituted phenylenediamine stabilizers N-Allyl substituted p-phenylenediamine compounds are very effective antioxidant stabilizers for organic material subject to oxidative or thermal degradation, particularly for lubricant compositions.... | 05/25/1993 |
| 5213701 | Composition containing an oligomeric 1,2,3-trihydroxybenzene additive A compound is a condensate of 1,2,3-trihydroxybenzene with an aldehyde. The condensate is a macrocyclic compound such as a cyclic tetramer. The aldehyde is preferably a long-chain aldehyde such as hexanal, dodecanal or tetradecanal. The condensate can be ... | 05/25/1993 |
| 5190999 | -carbonylphenylacetonitrile derivatives as stabilizers for organic materials Compositions comprising an organic material liable to oxidative, thermal and/or actinic degradation and at least one compound of the formula I ##STR1## are described in which n is 1-6, R, R1, R2, R3 and R4 ... | 03/02/1993 |
| 5179127 | Halopropargyl acyl compound, compositions, microbicidal uses and processes of preparation Compounds of the formula ##STR1## wherein A is selected from the group consisting of (1) phenyl, (2) naphthyl, (3) phenyl substituted with one or more halo, cyano, (C1 -C4)alkyl, nitro, (C1 -C4)haloalkyl, a... | 01/12/1993 |
| 5171461 | Sulfur and copper-containing lubricant compositions Copper and sulfur containing compositions, and additive concentrates and lubricating compositions containing the copper and sulfur containing compositions are described. The sulfur compounds have the formula: Y--R1 (S)n --R2 Y | 12/15/1992 |
| 5130359 | Viscosity index improver and method for producing the same Disclosed is a viscosity index improver in the form of a high-concentration non-aqueous dispersion of a low-viscosity olefinic polymer and a method of preparing the same. The improver comprises (1) an olefinic polymer, (2) a compound of (i) or (ii), (i) b... | 07/14/1992 |
| 5104559 | Hydrogen perfluoroalkylaromatic ethers and related compositions and methods A lubricating compound having the structure: R1 --Rf --O--Ar--R2 wherein R1 is a monovalent radical selected from the group consisting of fluoride, unsubstituted aryloxys, substituted aryloxys, unsubstituted arylthio... | 04/14/1992 |
| 4800031 | Sulfur-containing lubricant and functional fluid compositions This invention is directed to lubricating and functional fluid compositions having improved antioxidant and extreme pressure properties and high temperature stability. The lubricant and functional fluid compositions comprise a major amount of at least one... | 01/24/1989 |
| 4741846 | 2,4,6-trifunctionalized phenols Novel compounds of the formula I ##STR1## are described. The radicals R1, R2 and R3 are hydroxyl-substituted alkyl, --C(R4 R5)--(CHR6)m --W, --(CH2)2 -... | 05/03/1988 |
| 4569776 | Water-based hydraulic fluid compositions containing selected two-component anti-wear agents Disclosed is an improved water-based hydraulic fluid composition which comprises an aqueous composition having a viscosity of at least 5 centistokes at 40° C. which contains up to about 95 percent by weight of water, at least 0.1 percent by weight of a c... | 02/11/1986 |
| 4569777 | Water-based hydraulic fluid compositions containing selected two-component anti-wear agents Disclosed is an improved water-based hydraulic fluid composition which comprises an aqueous composition having a viscosity of at least 5 centistokes at 40° C. which contains up to about 95 percent by weight of water, at least 0.1 percent by weight of a c... | 02/11/1986 |
| 4209408 | Lubricants and functional fluids containing ଲ-thiopropionitriles and similar polyfunctional nitriles Compositions useful as lubricants and functional fluids comprise an oleaginous liquid of lubricating viscosity, typically a mineral oil, and a sulfur-containing polyfunctional nitrile. The preferred nitriles are cyanoethylation products of mercaptans. The... | 06/24/1980 |
| 4122021 | Antioxidant stabilized lubricating oils This invention is directed to a synergistic antioxidant system for use in oils comprising a phenylated naphthylamine, a sulfoxide compound, and, optionally, an oligodynamic amount of copper.... | 10/24/1978 |
| 4070295 | Sulfone copolymeric additive for hydrocarbon oils Sulfone copolymeric oil additives having utility as a lubricating oil pour point depressant, viscosity index improver, dispersant, load carrying agent, rust inhibitor and/or antioxidant, or as a cold flow improver for heavy distillates and residual fuels,... | 01/24/1978 |
| 4069162 | Haze free oil additive compositions containing polymeric viscosity index improver and process for producing said compositions Oil compositions comprising a lubricating oil and an oil-soluble hydrocarbon polymeric viscosity index improver such as ethylene-propylene copolymers are substantially haze-free when said composition contains an anti-hazing amount of an oil-soluble strong... | 01/17/1978 |
| 4058469 | Lubricants and functional fluids containing polyfunctional nitriles Compositions useful as lubricants and functional fluids comprise an oleaginous liquid of lubricating viscosity, typically a mineral oil, and an oxygen-, sulfur- or nitrogen-containing polyfunctional nitrile. The preferred nitriles are cyanoethylation prod... | 11/15/1977 |
| 3984336 | Lubricant compositions Lubricant compositions are provided, containing as antiwear agents, a ଲ-thiopropionitrile having the structure R--S--CH2 CH2 CN in which R is alkyl, nitriloalkyl, aralkyl, alkaryl, aryl, or benzothiazolyl, mercapto-thiadiazolyl... | 10/05/1976 |
