The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 11, 1997
Filed:
Dec. 18, 1995
Applicant:
Inventors:
Manilal S Dahanayake, Princeton Junction, NJ (US);
Tao Gao, Monmouth Junction, NJ (US);
Eric H Larson, Freehold, NJ (US);
Assignee:
Rhone-Poulenc Surfactants & Specialties, L.P., Cranbury, NJ (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01F / ; B01F / ; C08F / ; C08F / ;
U.S. Cl.
CPC ...
252356 ; 252-3 ; 252307 ; 252311 ; 252355 ; 252357 ; 510476 ; 524457 ; 524815 ; 526146 ; 526320 ;
Abstract
The present invention is directed to a new aqueous dispersion of surface active polymer which demonstrates enhanced surface active and performance properties more particularly as a foaming agent. The polymer comprises a vinyl monomer having at least one quaternized nitrogen atom, a vinyl monomer having at least one amide group, a vinyl monomer bearing both a hydrophobic and a hydrophylic group and optionally, a vinyl carboxylic monomer.