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:
Jul. 20, 1999
Filed:
Mar. 04, 1994
Applicant:
Inventors:
Eric H Larson, Freehold, NJ (US);
Manilal Dahanayake, Princeton Junction, NJ (US);
William R Busler, Howell, NJ (US);
Assignee:
SNF S.A., Saint-Etienne Cedex, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
524827 ; 524310 ; 526207 ; 526310 ;
Abstract
Improved water soluble vinyl addition polymers for use as thickening and flocculating agents in water purification treatment, paper manufacture and waste water treatment are prepared using alkoxylated castor oil as an activation release agent. The release agent is biodegradable thereby making the overall product process more environmentally friendly.