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:
Jan. 10, 1978
Filed:
Mar. 08, 1976
Applicant:
Inventors:
Thomas H Austin, Austin, TX (US);
George P Speranza, Austin, TX (US);
Assignee:
Texaco Development Corporation, New York, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
260 / ; 260 / ;
Abstract
Covers novel urethane-modified polyisocyanurate rigid foams comprising the reaction product obtained by bringing together in the presence of a blowing agent an aromatic polyisocyanate, an isocyanurate group formation catalyst, and a polyol comprising a specific alkylene oxide adduct of aniline. The novel foams are useful in preparing rigid foam material such as panels, slabs, or sprayed foam surfaces.