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. 27, 2003
Filed:
Feb. 23, 2001
Applicant:
Inventors:
Assignee:
Mitsubishi Materials Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08L 6/302 ; B32B 1/300 ; C08K 9/04 ;
U.S. Cl.
CPC ...
C08L 6/302 ; B32B 1/300 ; C08K 9/04 ;
Abstract
A silica powder surface-treated with and epoxy compound having a plurality of epoxy groups, in which at least one epoxy group of the epoxy compound is ring-opened to bind to the surface of the silica powder and at least a portion of the remaining epoxy groups of the epoxy compound are bonded to amine compounds. The silica powder may be produced by the surface treatment of a silica powder with an epoxy compound and an amine compound successively or with both these compound simultaneously.