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:
Mar. 26, 1991
Filed:
Dec. 27, 1989
Applicant:
Inventors:
Petrus G Kooymans, Amsterdam, NL;
Werner T Raudenbusch, Amsterdam, NL;
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ;
U.S. Cl.
CPC ...
528407 ; 528 92 ; 528111 ; 528361 ;
Abstract
Disclosed is a process for preparing an epoxy resin containing on average from 1.5 to 2.5 epoxy groups and at least one primary hydroxyl group per molecule, the method comprising reacting, in the presence of an etherification catalyst, tris(2-hydroxyethyl)isocyanurate with a diglycidylether having the general formula ##STR1## wherein R is an alkylene group, a cycloalkylene group, or an alkylene group containing a cyclic moiety.