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. 07, 2002
Filed:
May. 02, 2000
Applicant:
Inventors:
Jotaro Kida, Chiba, JP;
Yoshimitsu Tanabe, Kanagawa, JP;
Nobuhiro Takizawa, Kanagawa, JP;
Masakatsu Nakatsuka, Chiba, JP;
Assignee:
Mitsui Chemicals, Inc., , JP;
Primary Examiner:
Int. Cl.
CPC ...
B41M 5/155 ;
U.S. Cl.
CPC ...
B41M 5/155 ;
Abstract
A color developer composition comprising (A) a color developer containing a polyvalent metal salt of a salicylic acid derivative, and (B) a polyester polyol having in the molecule skeleton at least one carbonate bond or ester bond, and a derivative thereof, an aqueous dispersion and a color developing ink using this color developer composition, and a recording sheet having a layer containing this color developer composition on a base material.