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. 09, 1978
Filed:
Dec. 23, 1976
Applicant:
Inventors:
Paul M Sawko, San Jose, CA (US);
Salvatore R Riccitiello, San Jose, CA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ; C08K / ; C08K / ;
U.S. Cl.
CPC ...
428332 ; 260 / ; 260 / ; 260 / ; 260 / ; 260 / ; 260 4243 ; 260 / ; 260 / ; 260 / ; 260 / ; 427386 ; 4273 / ; 428313 ; 428921 ;
Abstract
An intumescent-ablator coating composition which comprises an intumescent agent such as the ammonium salt of 1,4-nitroaniline-2-sulfonic acid or 4,4-dinitrosulfanilide, a polymeric binder system and about 5 to 30% by weight, based on the total weight of the intumescent agent and the binder, of an endothermic filler having a decomposition temperature about or within the exothermic region of the intumescent agent.