Quotables
"There is practically no chance communications space satellites will be used to provide better telephone, telegraph, television, or radio service inside the United States."
T. Craven, FCC Commissioner ; 1961
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 |
| 7176168 | Lubricant containing a synergistic combination of rust inhibitors, antiwear agents, and a phenothiazine antioxidant The present invention describes an improved lubricant composition comprising a particularly effective combination of components comprising ashless antiwear and rust inhibitor additives with an antioxidant liquid mixture formed by reacting an olefin with a mixture of... | 02/13/2007 |
| 6852680 | Dithiocarbamates containing alkylthio and hydroxy substituents This invention relates to a low cost, wear inhibitor containing novel dithiocarbamates with alkylthio and hydroxy substituents that can be used to formulate low phosphorus lubricants. In addition to wear inhibition, the dithiocarbamate compositions of the invention ... | 02/08/2005 |
| 6797677 | Antioxidant combination for oxidation and deposit control in lubricants containing molybdenum and alkylated phenothiazine The invention relates to a lubricating oil composition having improved antioxidant properties, and which contains a molybdenum compound and an alkylated phenothiazine. Further, it may also include a secondary diarylamine, preferably an alkylated diphenylamine. This ... | 09/28/2004 |
| 6599865 | Effective antioxidant combination for oxidation and deposit control in crankcase lubricants It has unexpectedly been found that the combination of (1) an alkylated diphenylamine, (2) a sulfurized olefin/fatty oil and/or an ashless dialkyldithiocarbamate, and (3) an alkylated phenothiazine, is highly effective at controlling crankcase lubricant o... | 07/29/2003 |
| 5731273 | Lubricating compositions Crankcase lubricant compositions for use in automobile or truck engines comprise a major proportion of a lubricating oil, and an antioxidant system comprising added copper present in oil-soluble form and at least one oil-soluble phenothiazine.... | 03/24/1998 |
| 5560848 | Combination diphenyl amine-phenothiazine additive for improved oxidation stability in polyol ester based greases (Law236) The oxidation stability of polyol ester based lithium soap thickened greases is improved by use of a synergistic antioxidant combination comprising a mixture of (alkylated) diphenyl amine and phenothiazine.... | 10/01/1996 |
| 5366648 | Functional fluids useful at high temperatures Functional fluids characterized as effective over a wide range of temperature including very high temperatures can be prepared, comprising: (A) a major amount of at least one synthetic base oil; and minor amount of (B) at least one phenolic compound selected from t... | 11/22/1994 |
| 4627929 | Stabilized lubricants based on polyethers Stabilized lubricants based on polyethers containing diphenylamine derivatives of the formula ##STR1## in which R1 denotes hydrogen, a straight-chain or branched C4 to C12 -alkyl group, a straight-chain or branched C | 12/09/1986 |
| 4556476 | Method for minimizing fouling of heat exchanger Hydrocarbon processing equipment is protected against fouling during the processing of hydrocarbons at elevated temperatures by adding to the equipment small amounts of mixtures of N,N'-dimer of phenothizine or substituted phenothiazine and one or more N,... | 12/03/1985 |
| 4031018 | Auxiliary antioxidants N-acyl-0-carbamylhydroxylamines corresponding to the formula ##STR1## wherein R and R' are the same or different aliphatic or aromatic hydrocarbyl radicals, are highly effective in improving the oxidation resistance of synthetic ester-based lubricant... | 06/21/1977 |
