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:
Sep. 12, 2000
Filed:
May. 20, 1998
Applicant:
Inventors:
Yoshihiko Yamakado, Toyoake, JP;
Takeshi Shiraishi, Ichinomiya, JP;
Hitomi Ozeki, Aichi, JP;
Masahito Sakai, Aichi, JP;
Assignee:
Natoco Co., Ltd., Aichi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K / ; C09K / ;
U.S. Cl.
CPC ...
428-11 ; 25229901 ;
Abstract
A shading spacer for liquid crystal consisting of a cross-linked polymer particles containing a dyestuff which is fixed in said polymer particles by taking a dyestuff compound having a silyl group which can be hydrolyzed in said polymer particles having a silyl group which can be hydrolyzed when said polymer particles are cross-linked, is provided in the present invention. In said shading spacer, removal of dyestuff from said polymer particles is prevented.