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:
Mar. 24, 1981
Filed:
Oct. 11, 1979
Donald N Schulz, Hartville, OH (US);
Tai C Cheng, Akron, OH (US);
Thomas A Antkowiak, Rittman, OH (US);
The Firestone Tire & Rubber Company, Akron, OH (US);
Abstract
Polyphosphazene polymers are prepared which contain repeating units represented by the formulas: ##STR1## wherein X is R(OR').sub.n O-- in which R is alkyl containing from 1 to 20 carbon atoms, aryl, alkylaryl or arylalkyl, R' is an alkylene radical and n is an integer from 1 to 70; wherein X' is X or is selected from the group consisting of substituted or unsubstituted alkoxy, alkenyloxy, aryloxy, alkenylaryloxy, amino and mercapto groups and wherein 20.ltoreq.(a+b+c).ltoreq.50,000 per polymer. The polymers of the invention can be utilized to form films and may also be utilized in applications for moldings, coatings, foams and the like.