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. 13, 1987
Filed:
Apr. 18, 1986
Applicant:
Inventors:
Edward L Kay, Akron, OH (US);
Kenneth B Roskos, Clinton, OH (US);
Assignee:
The Firestone Tire & Rubber Company, Akron, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528 61 ; 528 64 ; 528 65 ;
Abstract
Urethane elastomers are produced by reacting a prepolymer with a chain extender or cure agent in the presence of limited amounts of water without adverse effects on the physical properties of the cured polyurethane.