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:
Apr. 19, 1977
Filed:
Aug. 26, 1975
Masahiro Okamoto, Kitakyushu, JA;
Morio Kimura, Kitakyushu, JA;
Teruo Shibuya, Kawasaki, JA;
Shinji Yamamoto, Ichihara, JA;
Shinichi Hasegawa, Settsu, JA;
Yutaka Terada, Nishinomiya, JA;
Teruho Adachi, Toyonaka, JA;
Sumitomo Chemical Company, Limited, Osaka, JA;
Nittetsu Chemical Industrial Co., Ltd., Tokyo, JA;
Abstract
A tar-urethane composition comprising (1) an isocyanate-reactive tar obtained by reacting a tar produced as a by-product in the phenol synthesis via hydroperoxides with a formaldehyde in the presence of a basic catalyst and in the presence or absence of at least one phenol compound and (2) a polyisocyanate, which is useful as coating agents, materials for pavement, floor linings, sealing materials and the like.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile