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:
Dec. 17, 2002
Filed:
Oct. 23, 2000
Applicant:
Inventors:
Mitsuo Katayose, Ibaraki, JP;
Shinya Nakamura, Ibaraki, JP;
Assignee:
Hitachi Chemical Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 2/912 ;
U.S. Cl.
CPC ...
H01L 2/912 ;
Abstract
Nitrogen compounds represented by formula (XXIa) or (XXIb); an epoxy resin hardening accelerator and a resin composition each containing any of the compounds; and an electronic part device containing an element encapsulated with the composition. In the formulae, R and R each represents hydrogen or a C monovalent organic group; R and R each represents a C divalnt organic group; R represents hydrogen or a C monovalent organic group; k is an integer of 0 to 2; and p is 0 or 1.