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:
Jan. 17, 1995
Filed:
Dec. 11, 1992
Applicant:
Inventors:
Nobuo Hisada, Moriyama, JP;
Yasushi Nishigakiuchi, Uji, JP;
Yoshiyuki Ueno, Kyoto, JP;
Yasuo Kotani, Habikino, JP;
Tadao Yagyu, Kyoto, JP;
Assignee:
Sanyo Chemical Industries, Ltd., Kyoto, JP;
Primary Examiner:
Int. Cl.
CPC ...
B41M / ; B41M / ; C07F / ; C09D / ;
U.S. Cl.
CPC ...
503209 ; 106 / ; 503212 ; 503216 ; 503225 ; 556 27 ; 556106 ; 556115 ; 556132 ; 556147 ; 560 57 ; 562468 ;
Abstract
A color developer is provided comprising a polyvalent metal salt of a salicylic derivative. The salicylic derivative is made up of ring-substituted salicylic compounds having one, two and three styrene units bonded to salicylic core where at least 25% of the salicylic derivatives are polyvalent metal salts.