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. 09, 1979
Filed:
Aug. 24, 1977
Applicant:
Inventors:
Kaneyoshi Ashida, Hiratsuka, JP;
Masaaki Ohtani, Kawasaki, JP;
Takashi Yokoyama, Tokyo, JP;
Shoichi Ohkubo, Yokohama, JP;
Assignee:
Mitsubishi Chemical Industries Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08J / ;
U.S. Cl.
CPC ...
521154 ; 521902 ;
Abstract
A smoke-retardant polyisocyanurate foam which contains an organosilicate having hydroxypolyoxyalkylene group which is obtained by reacting a polyoxyalkyleneglycol with at least one of metallic silicon, halosilicon compounds and lower alkyl silicates.
Ashida, Kaneyoshi. (1979). Smoke-retardant polyisocyanurate foam (U.S. Patent No. 4133781). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4133781
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile