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:
Oct. 06, 2015
Filed:
Jun. 12, 2013
Applicant:
E I Du Pont DE Nemours and Company, Wilmington, DE (US);
Inventors:
Peter A Brown, Wilmington, DE (US);
Justin W. Chan, Wilmington, DE (US);
Michael W Cobb, Wilmington, DE (US);
Sharlene Renee Williams, Wilmington, DE (US);
Assignee:
E I DU PONT DE NEMOURS AND COMPANY, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 63/02 (2006.01); C08G 73/08 (2006.01);
U.S. Cl.
CPC ...
C08G 73/08 (2013.01);
Abstract
Described is the preparation of sulfonated polyoxadiazole polymers with a high degree of sulfonation and good flammability properties. The polymers are useful in articles such as fibers.