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:
Jul. 24, 1984
Filed:
Jul. 11, 1983
Applicant:
Inventors:
Tsutomu Nakamura, Saitama, JP;
Akira Kuroda, Narashino, JP;
Masatoshi Onishi, Yokohama, JP;
Tetsuo Sasaki, Tokyo, JP;
Assignee:
Hodogaya Chemical Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C08J / ;
U.S. Cl.
CPC ...
521121 ; 521128 ; 521136 ; 521181 ; 521177 ;
Abstract
A phenolic resin foam having excellent mechanical strength and flame resistance is obtained by letting a resinous mixture comprising a benzylic ether type phenolic resin, a blowing agent, an aromatic sulfonic acid, a polyisocyanate compound, and water to stand at room temperature or more so as to allow the mixture to foam and solidify.
Nakamura, Tsutomu. (1984). Phenolic resin foam and process for producing the same (U.S. Patent No. 4461852). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4461852
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile