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:
Aug. 26, 1997
Filed:
Dec. 18, 1996
Applicant:
Inventors:
Mahmoud Hassan, Middlesex County, NJ (US);
Nagaraj Dixit, Middlesex County, NJ (US);
Marcus Bentley, Hudson County, NJ (US);
David Benedict Viscio, Middlesex County, NJ (US);
Assignee:
Colgate-Palmolive Company, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
525384 ; 5253277 ;
Abstract
A process for preparing a cross-linked alkyl vinyl ether/maleic anhydride copolymer having improved linear viscoelastic properties desired in oral care preparations, wherein the cross-linking of an alkyl vinyl ether/maleic anhydride copolymer with a polyol compound is carried out at a temperature of from about 50.degree. to about 90.degree. C. and the cross-linked product is recovered.