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. 26, 1995
Filed:
Jul. 02, 1993
Applicant:
Inventors:
William G Chiang, Virginia Beach, VA (US);
Joy L McCrickard, Portsmouth, VA (US);
Assignee:
Hoechst Celanese Corporation, Somerville, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ;
U.S. Cl.
CPC ...
525369 ; 5253273 ; 525378 ; 525379 ;
Abstract
This invention is directed to a recurring polymeric moiety of the following formula: ##STR1## wherein R is independently selected from hydrogen and C.sub.1 to C.sub.4 alkyl; Y is independently selected from O and NH; and X is independently selected from Cl, F, Br, I, NO.sub.3, HSO.sub.4 and H.sub.2 PO.sub.4. Polymers of the above structure may be crosslinked by treating the polymer with a base and heating it.