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. 18, 1978
Filed:
Dec. 18, 1975
Applicant:
Inventor:
Robert V Russo, Brooklyn, NY (US);
Assignee:
M&T Chemicals Inc., Stamford, CT (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
260 / ; 260 / ;
Abstract
Flexible cellular polyurethane exhibiting excellent thermal and oxidative stability can be prepared using specified complexes of organotin halides or pseudo halides with amines, phosphines or phosphine oxides as latent polymerization catalysts. These catalysts also eliminate the shrinkage that often characterizes cellular polyurethanes prepared using organotin compounds as the polymerization catalyst.