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. 13, 1976
Filed:
Dec. 26, 1973
Applicant:
Inventor:
Wadim Batorewicz, New Haven, CT (US);
Assignee:
Uniroyal Inc., New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F / ; C08G / ;
U.S. Cl.
CPC ...
260928 ; 260 / ; 260 / ; 2602 / ; 2602 / ; 2602 / ; 260268 ; 2609 / ; 260929 ; 260986 ;
Abstract
Polymeric bromine-containing phosphoramidate polyols are obtained by reacting bromine with spirocyclic phosphoramidites and thereafter reacting the brominated products with a polyol, in the presence of an acid acceptor. The novel viscous polymers thus produced react with polyisocyanates to produce polyurethanes. Polyurethanes so made are characterized by improved flame-retardant properties compared with conventional polyurethanes.