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:
Feb. 16, 1982
Filed:
Feb. 27, 1980
Applicant:
Inventor:
Gerald K McEwen, Midland, MI (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528398 ; 260929 ; 260969 ; 528 89 ; 528 90 ; 528 91 ; 528 92 ; 528 72 ; 528108 ;
Abstract
Phosphorus containing polymers are prepared by copolymerizing a cyclic phosphite and an epoxide in the presence of an acid catalyst. The resulting polymer can be incorporated within a thermoplastic or thermosettable resin to increase the flame resistivity thereof.