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:
Jul. 16, 1985
Filed:
Jul. 31, 1984
Applicant:
Inventors:
Assignee:
Sumitomo Chemical Company, Limited, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528107 ; 26427213 ; 26427217 ; 525504 ; 525507 ;
Abstract
An epoxy resin composition comprising a polyglycidyl ether prepared by reacting a 3-methyl-6-alkylphenol in the presence or absence of a phenol other than the 3-methyl-6-alkylphenol with an aldehyde to obtain a novolak, and then reacting the novolak with an epihalohydrin, which composition is useful in electronic fields, for example, for encapsulating semiconductor products or for the production of printed circuit boards.