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:
Jun. 07, 1983
Filed:
Jun. 29, 1981
Applicant:
Inventors:
Earl P Williams, Pen Argyl, PA (US);
Donald H Lorenz, Basking Ridge, NJ (US);
Assignee:
GAF Corporation, New York, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
5253278 ; 526271 ;
Abstract
Water swellable monovalent alkali metal salt of crosslinked interpolymer of maleic anhydride, monovinyl alkyl ether and 1-5 mole percent crosslinking agent comprising divinyl ether of aliphatic diol.