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. 02, 1979
Filed:
Oct. 13, 1976
Applicant:
Inventors:
Ernest K Moss, St. Petersburg, FL (US);
Alberto DeLeon, Clearwater, FL (US);
Michael J Skowronski, Largo, FL (US);
Assignee:
The Celotex Corporation, Tampa, FL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ; C08G / ; B01J / ;
U.S. Cl.
CPC ...
521125 ; 2524 / ; 2524 / ; 521902 ;
Abstract
An improved polyisocyanurate comprising polymethylene polyphenylisocyanate having a functionality of 2.1 to 3.2 and having an equivalent weight between 120 and 180; a polyol having an equivalent weight between 30 and 100; certain tertiary amino phenols; an alkali metal carboxylate, and a blowing agent. These compositions exhibit an advantageous cream time, firm time, tack free time, and a low friability.