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:
Mar. 05, 1985
Filed:
Apr. 26, 1984
Applicant:
Inventor:
Joseph Green, East Brunswick, NJ (US);
Assignee:
FMC Corporation, Philadelphia, PA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K / ; C07D / ;
U.S. Cl.
CPC ...
524116 ; 524129 ; 525132 ; 568 12 ;
Abstract
Cyclic phosphine oxides of the formula: ##STR1## wherein P is phosphorus, O is oxygen, A is an alkylene chain of 2 to 12 carbon atoms, Z is a polar group and R represents the carbon atoms in a phosphorus-containing ring formed by alkylating an ethylenically unsaturated cyclic hydrocarbon with phosphine. The cyclic phosphine oxides are useful as flame retardants for styrene modified polyphenylene ether resins.