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. 19, 1982
Filed:
Jan. 18, 1980
Applicant:
Inventors:
Michael J Skowronski, Clearwater, FL (US);
Alberto DeLeon, St. Petersburg, FL (US);
Assignee:
The Celotex Corporation, Tampa, FL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ; C08G / ; B32B / ;
U.S. Cl.
CPC ...
521110 ; 4284255 ; 4284258 ; 4283191 ; 4283193 ; 4283044 ; 521125 ; 521128 ; 521129 ; 521131 ; 521160 ; 521174 ; 521902 ;
Abstract
A process for producing a laminate of polyisocyanurate foam which is the reaction product of a polymethylene polyphenylisocyanate and a polyol which is ethoxylated trimethylol propane, ethoxylated trimethylol ethane, ethoxylated pentaerythritol or ethoxylated glycerin. Laminates of such foams exhibit improved adhesion of the facing sheet.