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. 10, 1978
Filed:
Nov. 26, 1976
Applicant:
Inventors:
John Versnel, Plainsboro, NJ (US);
Joseph Green, East Brunswick, NJ (US);
Assignee:
Cities Service Company, Tulsa, OK (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
2608 / ; 260 / ;
Abstract
Flame-retardant compositions having an excellent balance of properties are obtained by flame-retarding rubber-modified polystyrenes with a mixture of about 55-95% by weight of a first flame retardant corresponding to the formula: ##STR1## AND ABOUT 45-5% BY WEIGHT OF A SECOND FLAME RETARDANT CORRESPONDING TO THE FORMULA: ##STR2## wherein X is bromo or chloro, Y is halo, hydrogen, or an alkyl, haloalkyl, alkoxy, or haloalkoxy group, and Z is a tetravalent hydrocarbon group containing 4-20 carbon atoms.