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. 11, 1994
Filed:
Apr. 24, 1992
Applicant:
Inventors:
Tadafumi Miyazono, Mino, JP;
Koji Tabuchi, Takatsuki, JP;
Assignee:
Nippon Paint Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
5253273 ; 528 88 ; 528 89 ; 528 90 ; 528 91 ; 528 92 ; 528 93 ; 528 94 ; 528361 ; 528393 ; 528408 ; 528409 ; 528410 ;
Abstract
As a curing catalyst of epoxy resins, superacid salts of an N,N'-di- or N,N',N'-trisubstituted urea, the urea component of which is produced by reacting an organic isocyanate and a primary or secondary amine, at least one of which is monofunctional, are soluble in conventional organic solvents, compatible with epoxy resins and catalyze the cationic polymerization reaction of epoxy resins at room temperature.
Miyazono, Tadafumi. (1994). Urea-superacid salts and their use as a curing catalyst of epoxy resins (U.S. Patent No. 5278247). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5278247
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile