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:
May. 10, 1994
Filed:
Nov. 20, 1992
Applicant:
Inventors:
Johannes J Wintraecken, Amsterdam, NL;
Antonius J Zwijnenberg, Amsterdam, NL;
Virgilius C Van Liempd, Amsterdam, NL;
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ; C07D / ;
U.S. Cl.
CPC ...
528361 ; 528 94 ; 528117 ; 528341 ; 5483415 ; 5483351 ;
Abstract
An adduct of a glycidyl ester of an alpha,alpha-branched saturated monocarboxylic acid containing a total of 5 to 18 carbon atoms and 2-isopropylimidazole can be used to cure epoxy resin compositions useful in preparing prepregs for electrical laminates.