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.

Date of Patent:
Feb. 21, 1984

Filed:

Jan. 03, 1983
Applicant:
Inventor:

Jack R Harper, Midland, MI (US);

Assignee:

Dow Corning Corporation, Midland, MI (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J / ;
U.S. Cl.
CPC ...
521 99 ; 521 54 ; 521103 ; 521122 ; 521154 ; 523218 ; 523219 ;
Abstract

Cured polyorganosiloxane foams exhibiting a uniquely high resistance to burn-through and disintegration when exposed to flames contain at least 0.1% by weight each, based on the weight of said foam, of at least one finely divided nonmetallic fibrous heat resistant material, at least one finely divided nonmetallic cellular heat resistant material, and at least 5 ppm of platinum in elemental or chemically combined form. The total concentration of heat resistant materials should not exceed 40%, based on the weight of the foam. This invention also provides a method for preparing flame retardant polyorganosiloxane foams.


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Harper, Jack. (1984). Method for preparing flame resistant polysiloxane foams and foams (U.S. Patent No. 4433069). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4433069

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