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:
Sep. 17, 1996
Filed:
Jun. 07, 1995
Applicant:
Inventors:
Takaaki Fujiwa, Hiroshima-ken, JP;
Takeharu Tabuchi, Hiroshima-ken, JP;
Hideki Matsui, Hiroshima-ken, JP;
Shinji Nakano, Osaka-fu, JP;
Shin-ya Yamada, Osaka-fu, JP;
Takao Morimoto, Osaka-fu, JP;
Assignees:
Daicel Chemical Industries, Ltd., Osaka-fu, JP;
Nippon Paint Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L / ; C08F / ;
U.S. Cl.
CPC ...
525533 ; 525438 ; 525463 ;
Abstract
Disclosed are a carbonate group-modified epoxy resin in which carbonate groups are introduced into an epoxy resin having secondary hydroxyl groups at terminals or lactone-modified epoxy resin having primary hydroxyl groups at terminals by the ring-opening reaction of a cyclic alkylene carbonate, a process for the preparation thereof, and a thermosetting resin composition containing the carbonate group-modified epoxy resin.