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:
Dec. 05, 2000
Filed:
Dec. 15, 1998
Applicant:
Inventors:
Jenn S Shih, Paramus, NJ (US);
Eduardo T Yap, Franklin Lakes, NJ (US);
John C Hornby, Washington Township, NJ (US);
Bala Srinivas, Hasbrouck Heights, NJ (US);
Assignee:
ISP Investments Inc., Wilmington, DE (US);
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08L / ; C08G / ; C08G / ; C07D / ;
U.S. Cl.
CPC ...
524 99 ; 524457 ; 524458 ; 525191 ; 525205 ; 525218 ; 5253294 ; 5253333 ; 526 72 ; 526213 ; 526258 ; 5285 / ; 528503 ; 546347 ;
Abstract
This invention relates to stable, quaternized vinylpyridine carboxylate co-polymers, useful as dye transfer inhibitors and polymers complexable with active agrochemicals or pharmaceuticals for controlled release thereof, and to a commercial process for the synthesis thereof in high yield and purity.