U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Quotables

"There is no reason anyone would want a computer in their home."

Ken Olsen, chairman and founder of Digital Equipment Corporation ; 1977

Newsletter  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.

 

Class 508/238 - An additional reactant is a polyoxyalkylene 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 wherein a polyoxyalkylene compound is an additional
No. of patents: 12
Last issue date: 02/13/2007


NumberTitleIssue Date
7176174Water-in-oil emulsion
A water-in-oil emulsion composition is disclosed. The composition contains (A) a solvent, (B) water, and (C) a surfactant. This composition is suitable for removing non-aqueous coatings such as paints and the like as well as waxes and greases from substrates. ...
02/13/2007
5580484Lubricating oil dispersants derived from hydroxy aromatic succinimide Mannich base condensates of heavy polyamine
The present invention is directed to lubricating oil and fuel dispersants comprising hydroxy aromatic succinimide Mannich Base condensates of heavy polyamine. A heavy polyamine is a mixture of polyalkylenepolyamines comprising small amounts of lower polya...
12/03/1996
5068047Visosity index improver
Degraded molecular weight copolymers of ethylene alpha-olefin are provided. The ethylene alpha-olefin copolymers, before degradation, are characterized by having a narrow molecular weight distribution and are comprised of intramolecularly heterogeneous an...
11/26/1991
4981604Oxidation and corrosion resistant diesel engine lubricant
An oxidation and corrosion resistant diesel engine lubricant composition, particularly useful in marine and railway diesel engines, comprises a major amount of a base hydrocarbon lubricating oil and from 0.1-5.0 weight percent of a reaction product additi...
01/01/1991
4803003Ethylene copolymer viscosity index improver dispersant additive useful in oil compositions
Oil-soluble, derivatized ethylene copolymers derived from about 15 to 90 wt. % ethylene, and one or more C3 to C28 alpha-olefins, e.g. propylene, which are grafted, preferably solution-grafted under an inert atmosphere and at elevate...
02/07/1989
4689166Succinic acid esters and hydraulic fluids thereform
Hydraulic fluids contain as novel dispersants, reaction products of di- or trisuccinic anhydrides with polyethoxylated alcohols to produce polyethoxylated hydrocarbyl polyanhydrides....
08/25/1987
4664834Hydrocarbyl-substituted succinic acid and/or anhydride/amine terminated poly(oxyalkylene) reaction products, and aqueous systems containing same
A composition is disclosed which comprises a water-dispersible reaction product of (A) at least one compound represented by the formula ##STR1## wherein R is a hydrocarbyl group of from about 8 to about 40 carbon atoms, with (B) at least one water-di...
05/12/1987
4659492Alkenyl-substituted carboxylic acylating agent/hydroxy terminated polyoxyalkylene reaction products and aqueous systems containing same
A composition is disclosed which comprises the water-dispersible reaction product of (A) at least one compound represented by the formula ##STR1## wherein R is an alkenyl group represented by the formula ##STR2## and R' and R" are independently ...
04/21/1987
4632769Ethylene copolymer viscosity index improver-dispersant additive useful in oil compositions
Oil soluble viscosity index improving ethylene copolymers, such as copolymers of ethylene and propylene; and ethylene, propylene and diolefin; etc., are reacted or grafted with ethylenically unsaturated carboxylic acid moieties, preferably maleic anhydrid...
12/30/1986
4566983Combination of carboxylic acylating agents substituted with olefin polymers of high and low molecular weight mono-olefins, derivatives thereof, and fuels and lubricants containing same
A composition comprising (A) the reaction product of (A)(1) one or more alpha-beta olefinically unsaturated carboxylic acid reagents containing 2 to about 20 carbon atoms exclusive of the carboxyl-based groups, with (A)(2) one or more olefin polymers of at lea...
01/28/1986
4401581Nitrogen-containing ashless dispersants and lubricating oil composition containing same
Lubricating oil dispersants are made by reacting an (a) alkenyl succinic anhydride, (b) an alcohol (e.g. pentaerythritol), (c) a hydroxy-substituted amine (e.g. tris-hydroxymethylaminomethane, (d) a polyoxyalkyleneamine, and (e) an alkenyl succinimide....
08/30/1983
4317740Water-soluble polyesters
Water-soluble polyesters formed by the condensation of polyoxyalkylene glycol with the addition product of a dimer fatty acid and maleic anhydride are found to be particularly useful as lubricants and as viscosity adjusting additives in aqueous hydraulic ...
03/02/1982
 
Sign InRegister
Username  
Password   
forgot password?