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. 30, 1980
Filed:
Jul. 20, 1979
Applicant:
Inventors:
Roy J Emerson, Tallmadge, OH (US);
Hubert J Fabris, Akron, OH (US);
Robert J Herold, Akron, OH (US);
Joe S Duncan, Leesburg, FL (US);
Assignee:
The General Tire & Rubber Company, Akron, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528 77 ;
Abstract
A thermoset, segmented and elastomeric polypropylene ether urethane is made by reacting together tolylene diisocyanate, ethylene glycol and a polypropylene ether triol having an average molecular weight of from 7,000 to 14,000, in certain ratios. The resulting polyurethane exhibits a temperature retraction TR-10 of less than about -35.degree. C. and a Goodyear-Healy rebound of greater than about 55%.