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:
Apr. 06, 2004
Filed:
May. 17, 2001
Applicant:
Inventors:
Assignee:
Pentax Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M 5/30 ;
U.S. Cl.
CPC ...
B41M 5/30 ;
Abstract
An image-recording composition comprising: a microcapsule enclosing a leuco-dye; a phenol color-developing agent; and a reaction-accelerating agent catalyzing a color-developing reaction between the leuco-dye and the phenol color-developing agent, the reaction-accelerating agent being an organic compound having at least two carboxyl groups. An image-recording sheet comprising a substrate and a color-developing layer disposed by applying the image-recording composition to the substrate is also provided.
Kubota, Yukio. (2004). Image-recording composition and image-recording sheet using same (U.S. Patent No. 6716793). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6716793
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile