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:
Dec. 10, 1991
Filed:
May. 24, 1990
Applicant:
Inventors:
Assignee:
Lucky, Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528314 ; 528170 ; 528312 ; 528315 ; 528318 ; 528321 ; 528322 ;
Abstract
A denatured bismaleimide resin of repeating units represented by the following formula (I) and process for preparing same which comprises the Michael addition reaction of a bismaleimide and an aromatic secondary diamine: ##STR1## wherein, n represents an integer of 1 to 3, A represents a divalent group having from 2 to 20 carbon atoms,