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:
Feb. 17, 1981
Filed:
Mar. 01, 1978
Applicant:
Inventors:
Koichi Kimoto, Kyoto, JP;
Yasusi Umeda, Osaka, JP;
Shin Saito, Suita, JP;
Kunsei Tanabe, Hirakata, JP;
Yasuyuki Takimoto, Takatsuki, JP;
Assignee:
Nippon Paint Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430332 ; 430339 ;
Abstract
A photo-sensitive composition for dry formation of image comprising a dyestuff having a photo-fading property, a ketonic sensitizing agent and a high molecular polymer as a binding agent, which can provide a visible image by the irradiation of light and maintain the image without any fixing treatment.