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:
May. 16, 1989
Filed:
Mar. 21, 1988
Jui-Chang Chuang, Wayne, NJ (US);
Ian W Cottrell, Kinnelon, NJ (US);
Stephen C Johnson, Newton, NJ (US);
GAF Corporation, Wayne, NJ (US);
Abstract
This invention relates to water soluble heterocyclic cationic graft polymers of cellulose containing units of the structure ##STR1## wherein R is the residue of a cellulosic polymer containing hydroxyl groups; R.sub.1 is hydrogen or methyl; R.sub.2.sup.+ is a quaternized amino amide, a quaternized amino ester or a quaternized 5 or 6 membered heterocyclic ring having up to 2 nitrogen atoms in the ring structure; R.sub.3 is a C.sub.3 to C.sub.8 alkylene group which is optionally substituted with methyl; R.sub.4 is hydrogen or hydroxy; x is an integer having a value of from 1 to 1000 and X is a halide anion.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile