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. 23, 1996
Filed:
Dec. 19, 1994
Applicant:
Inventors:
Yoon T Kwak, Wayne, NJ (US);
Stephen L Kopolow, Plainsboro, NJ (US);
Robert B Login, Oakland, NJ (US);
Assignee:
ISP Investments Inc., Wilmington, DE (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
524401 ; 526271 ; 526272 ;
Abstract
This invention relates to stable colorless concentrates and stock solutions of 1-5% crosslinked lower alkyl vinyl ether/maleic anhydride copolymers having a Brookfield viscosity of up to about 25,000 cps and to the process for their preparation.