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. 09, 1985
Filed:
Apr. 30, 1984
Applicant:
Inventors:
Robert J Knopf, St. Albans, WV (US);
Kenneth Drake, Charleston, WV (US);
Assignee:
Union Carbide Corporation, Danbury, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
525404 ; 525187 ; 525529 ; 525531 ;
Abstract
Graft copolymers are obtained which are substantially free of insoluble homopolymers by grafting 3 to 15 percent by weight of acrylic acid onto poly(oxyalkylene) compounds.