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Class 508/253 - With organic phosphorus compound


Subclass of Class 508 - Solid anti-friction devices, materials therefor, lubricant or separant compositions for moving solid surfaces, and miscellaneous mineral oil compositions
Definition: Compositions which contain, in addition to the polycyclo
No. of patents: 5
Last issue date: 02/13/2007


NumberTitleIssue Date
7176168Lubricant 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
6797677Antioxidant 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
5731273Lubricating 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
5536423Hydraulic working oil composition for buffers
A hydraulic working oil composition for buffers which comprises: a lubricating oil as a base oil, (A) at least one phosphorus-containing compound selected from the group consisting of a phosphoric acid ester having a specific structure, a phosphorous acid este...
07/16/1996
5366648Functional 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
 
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