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:
Jun. 02, 1981
Filed:
Jun. 25, 1979
Applicant:
Inventors:
Jerome B Biranowski, New York, NY (US);
Donald H Lorenz, Basking Ridge, NJ (US);
Simon W Kantor, Ridgewood, NJ (US);
Assignee:
GAF Corporation, New York, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ; C08G / ;
U.S. Cl.
CPC ...
521110 ; 521129 ; 521131 ; 521160 ; 521170 ; 521902 ; 521123 ; 521125 ; 521124 ;
Abstract
Rigid isocyanurate urethane polymers useful for insulation purposes and characterized by superior thermal stability are prepared by reacting an excess of polymeric isocyanate with butenediol in the presence of blowing agent and catalyst.
Quick Actions:
Biranowski, Jerome. (1981). Rigid isocyanurate polyurethane foams and method for preparing same (U.S. Patent No. 4271273). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4271273
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile