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. 26, 2000
Filed:
May. 21, 1998
Applicant:
Inventors:
Hirotoshi Kamata, Chiba, JP;
Toshio Koshikawa, Chiba, JP;
Takeo Watanabe, Chiba, JP;
Shuichi Sugita, Chiba, JP;
Assignee:
Showa Denko K.K., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
4302811 ; 430916 ; 522 81 ;
Abstract
Color reversion of photocured products which have been photocured with cationic dyes and quaternary organo borates can be notably suppressed by addition of phenolic compounds, aromatic thiol compounds, amine compounds and/or phosphorous compounds.