| Patent Number |
Title Of Patent |
Date Issued |
| 6300288 |
Functionalized polymer as grease additive |
October 9, 2001 |
| A grease of an oil of lubricating viscosity, a polyolefin having grafted acid functionality, a metallic species capable of interacting with the acid functionality of said polyolefin to cause association among the acid groups and a co-thickening agent, has improved rheological properties. |
| 5523005 |
Gear lubricant composition |
June 4, 1996 |
| Gear oil compositions are described which comprise a lubricating base oil having dissolved therein:(A) at least one phosphite ester characterized by the formula: ##STR1## wherein R.sup.1 and R.sup.2 are hydrocarbyl based groups of from 1 to 30 carbon atoms and(B) at least one metal o |
| 5489721 |
Alpha-olefin polymers |
February 6, 1996 |
| This invention deals with viscosity improvers which are obtained through the use of a mixed catalyst system comprising a primary and/or secondary organo halide and a Lewis acid catalyst. |
| 5429758 |
Graft copolymers prepared from solvent-free reactions and dispersant derivatives thereof |
July 4, 1995 |
| 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 product (D) can be further reacted wi |
| 5371130 |
Polymer compositions of improved compatibility in oil |
December 6, 1994 |
| A composition of an oil-soluble, olefin-based polymer and an oil-soluble polar polymer having nitrogen functionality, wherein the polymers in combination in oil exhibit incompatibility as evidenced by phase separation, shows improved compatibility by addition to the mixture of certai |
| 5364994 |
Lubricating compositions containing .alpha.-olefin polymers |
November 15, 1994 |
| The invention deals with viscosity improvers which are .alpha.-olefin polymers and are particularly useful in lubricating compositions comprising (A) a liquid .alpha.-olefin polymer having a number average molecular weight from about 2,000 to about 100,000 and having derived from .al |
| 5345024 |
Alpha-olefin polymers |
September 6, 1994 |
| This invention deals with viscosity improvers which are obtained through the use of a mixed catalyst system comprising a tertiary organo halide and a Lewis acid catalyst. |
| 5334318 |
Compositions containing active sulfur |
August 2, 1994 |
| Nitrogen containing carboxylic compounds useful in reducing hydrogen sulfide are described herein. The compositions of the invention also desirably contain an alkali or alkaline earth metal containing compound. |
| 5302772 |
Alpha-olefin polymers |
April 12, 1994 |
| The invention pertains to a process for preparing a liquid polymer using a mixed catalyst system comprising a primary organo halide and a Lewis acid catalyst. |
| 5210362 |
Alpha-olefin polymers |
May 11, 1993 |
| This invention deals with viscosity improvers which are obtained through the use of a mixed catalyst system comprising a primary and/or secondary organo halide and a Lewis acid catalyst. |
| 5182037 |
Phosphorus- and/or nitrogen-containing derivatives of sulfur-containing compounds, lubricant, fu |
January 26, 1993 |
| This invention is directed to phosphorus and/or nitrogen-containing derivative compositions of sulfur containing compounds which are suitable particularly for use as additives for lubricants, fuels and functional fluids. The lubricants, fuels, and/or functional fluids containing the |
| 4968853 |
Alpha-olefin polymers |
November 6, 1990 |
| This invention deals with viscosity improvers which are obtained through the use of a mixed catalyst system comprising a tertiary organo halide and a Lewis acid catalyst. A liquid alpha-olefin polymer composition having a polymodal distribution with peak molecular weight maximum at 2,000 |
| 4873006 |
Compositions containing active sulfur |
October 10, 1989 |
| Nitrogen containing carboxylic compounds useful in reducing hydrogen sulfide are described herein. The compositions of the invention also desirably contain an alkali or alkaline earth metal containing compound. |
| 4752416 |
Phosphite ester compositions, and lubricants and functional fluids containing same |
June 21, 1988 |
| Lubricating and functional fluid compositions are described which comprise at least one oil of lubricating viscosity and an extreme-pressure and friction-modifying amount of(A) at least one phosphite ester characterized by the formula ##STR1## wherein R.sup.1 is a straight-chain hyd |
| 4670173 |
Oil-soluble reaction products of an acylated reaction product, a polyamine, and mono-functional |
June 2, 1987 |
| Oil-soluble compositions, useful as dispersant viscosity modifiers, are formed by the reaction product of an acylating product (D) a (F) polyamine, and a (G) mono-functional acid. The compositions can be prepared in solvent such as a hydrocarbon oil or in the absence of a solvent. |
