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:
May. 01, 1979
Filed:
Dec. 29, 1977
Applicant:
Inventor:
Chen-Shen Wang, Naperville, IL (US);
Assignee:
Standard Oil Company (Indiana), Chicago, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
C11D / ; C08J / ;
U.S. Cl.
CPC ...
521 91 ; 252 62 ; 428306 ; 428310 ; 428317 ; 428921 ; 521 50 ; 521122 ; 521134 ; 521189 ; 521907 ;
Abstract
A low density, flame-resistant foamed composition is formed by heating a thorough mixture of branched polyphenylene and an inorganic fiber to above about 800.degree. F.