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:
Apr. 24, 1979
Filed:
Oct. 17, 1977
Applicant:
Inventor:
Donald V Hillegass, Alliance, OH (US);
Assignee:
The Goodyear Tire & Rubber Company, Akron, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ; C08G / ;
U.S. Cl.
CPC ...
528 56 ; 521124 ; 521170 ; 528 75 ;
Abstract
A process for preparing polyurethanes comprising reacting a polyol with an organic polyisocyanate in the presence of a catalytic amount of nickel acetylacetonate, wherein the polyol and nickel acetylacetonates are held at elevated temperatures prior to being mixed with the polyisocyanate.