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:
Nov. 06, 2001
Filed:
Dec. 21, 1999
Applicant:
Inventors:
Akira Yokota, Ibaraki, JP;
Nobuyuki Nakajima, Ibaraki, JP;
Assignee:
Sumitomo Chemical Company, Limited, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 2/912 ;
U.S. Cl.
CPC ...
H01L 2/912 ;
Abstract
Provided is a novolak epoxy resin having a GPC area percentage of a binuclear compound of 15% or more. Said novolak epoxy resin has a low viscosity and is useful for an electric and electronic material such as adhesives, paints, insulating materials, laminates and the like.