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

Icon_funbox Quotables

"During my service in the United States Congress, I took the initiative in creating the Internet."

Al Gore ; The basis for the later misquote by US Republicans that Gore had "invented" the Internet. Gore was the leading political champion of the modern-day Internet.

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 516/168 - The compound contains repeating -(OCnH2n)- (i.e., repeating unsubstituted oxyalkylene) (e.g., alkoxylated phenol-aldehyde polymer)


Subclass of Class 516 - Colloid systems and wetting agents; subcombinations thereof; processes of
Definition: Subject matter in which the organic* compound which
No. of patents: 10
Last issue date: 10/28/2008


NumberTitleIssue Date
7442671O-phenylphenol/alkoxylated amine wood protection compositions
A composition for protecting wood from decay, mildew and sapstain comprises o-phenylphenol in combination with an alkoxylated amine, wherein the weight ratio of alkoxylated amine to o-phenylphenol ranges from 1:1 to 10:1. Organic or inorganic acids may be added to e...
10/28/2008
6646016Aromatic aldehyde resins and their use as emulsion breakers
Resins useful in methods of breaking oil-water emulsions. The resins obtained by reacting a compound of formula 1 with an aldehyde and alkoxylating, in any order: ##STR1## wherein X is --NHR1 ; --COOH; or --CONHR2 ; and is ortho-...
11/11/2003
6315908Method for treatment of waste water
This invention concerns a method for the treatment of waste-water. This method includes reacting a polyamine and a multifunctional epoxide in waste-water composition that initially is in the form of an emulsion to form a reaction product that causes the e...
11/13/2001
6225357Polymer compositions for demulsifying crude oil
Polymer compositions made by reacting a polyol with an aromatic hydrocarbon containing only a single reactive functionality have been discovered to be useful demulsifiers for crude oil compositions. The aromatic hydrocarbon should have at least one aryl g...
05/01/2001
5981687Polymer compositions for demulsifying crude oil
Polymer compositions made by reacting a polyol with an aromatic hydrocarbon containing only a single reactive functionality have been discovered to be useful demulsifiers for crude oil compositions. The aromatic hydrocarbon should have at least one aryl g...
11/09/1999
4626379Demulsifier composition and method of use thereof
Novel demulsifier compositions, their method of preparation and use as demulsifiers are described. The novel demulsifiers comprise the partially condensed reaction product of a blend of at least two oxyalkylated materials with a vinyl monomer. The demulsi...
12/02/1986
4502977Demulsifier composition and method of use thereof
Novel demulsifier compositions, their method of preparation and use as demulsifiers are described. The novel demulsifiers comprise the partially condensed reaction product of a blend of at least two oxyalkylated materials with a vinyl monomer. The demulsi...
03/05/1985
4474682Petroleum emulsion-breakers containing nitrogen, and their use
The new petroleum breakers are obtained by reacting, at 90° to 160° C. and at a pH value of 6 to 9, (a) an addition product which has been obtained by reacting phenol with formaldehyde or acetaldehyde in a molar ratio of 1:1 to 3 at a temperature of 50Â...
10/02/1984
4209422Multicomponent demulsifier, method of using the same and hydrocarbon containing the same
A multicomponent demulsifier comprising an alkoxylated substituted-phenol-formaldehyde resin and at least two different alkoxylated polyamines or a quaternary ammonium salt and an alkoxylated polyamine. The demulsifier is useful in breaking hydrocarbon-in...
06/24/1980
4032514Oxyalkylated cyclic phenol-aldehyde resins and uses therefor
Oxyalkylated cyclic phenol-aldehyde resins for example oxyalkylated cyclic tetramers; processes by which they are prepared; and method of using said oxyalkylated resins for a wide variety of uses, particularly as demulsifiers for water-in-oil type emulsio...
06/28/1977
 
Sign InRegister
Username  
Password   
forgot password?