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. 04, 1999
Filed:
Feb. 27, 1998
Applicant:
Inventors:
Mareki Miura, Yokkaichi, JP;
Yoshinobu Ohnuma, Yokkaichi, JP;
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
525481 ; 528 87 ; 528 96 ; 528 97 ;
Abstract
The epoxy resin composition which comprises both components (A) an epoxy compound having at least two epoxy groups in a molecule and (B) a polyphenol compound containing a trisphenol compound represented by general formula (I) described below ##STR1## in which R.sub.1 is a methyl group, n is an integer of 0 to 2, and Ar is a group selected from ##STR2## in which R.sub.2 and R.sub.3 are each individually selected from an alkyl group having a carbon number of 1 to 6, an alkoxy group having a carbon number of 1 to 6, or a halogen atom, and m and p are an integer of 0 to 2.