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:
Sep. 26, 2000
Filed:
Aug. 04, 1999
Applicant:
Inventors:
Edward G Malawer, Wayne, NJ (US);
Victor Kabanov, Moscow, RU;
Kolazi S Narayanan, Wayne, NJ (US);
Michael A Tallon, Aberdeen, NJ (US);
Susan Y Tseng, Staten Island, NY (US);
Philip F Wolf, Bridgewater, NJ (US);
Assignee:
ISP Investment Inc., Wilmington, DE (US);
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
526264 ; 526258 ; 526260 ; 526263 ; 548543 ; 548550 ; 546177 ;
Abstract
What is described herein is a crosslinked polyvinylpyrrolidone (PVPP) copolymer of vinyl pyrrolidone (VP) and monomer derived from 1-vinyl-3-(E)-ethylidene pyrrolidone (EVP).