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. 21, 1983
Filed:
Sep. 24, 1982
Applicant:
Inventor:
Richard A Schwarz, Big Spring, TX (US);
Assignee:
Cosden Technology, Inc., Dallas, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J / ;
U.S. Cl.
CPC ...
521 56 ; 521 88 ; 521 98 ; 521907 ; 524373 ; 524467 ;
Abstract
An expandable polymeric styrene particle is provided from which molded foamed articles can be produced exhibiting reduced flammability characteristics. The expandable polymeric styrene particle contains a blowing agent, a minor amount of bis(allyl ether) of tetrabromobisphenol A and a minor amount of pentabromomonochlorocyclohexane. The additives can be incorporated during impregnation with the blowing agent or by blending with the expandable particles after impregnation.