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:
Aug. 29, 1989
Filed:
Jul. 09, 1987
Applicant:
Inventors:
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M / ; B41M / ; B41M / ;
U.S. Cl.
CPC ...
503208 ; 427151 ; 428913 ; 428914 ; 503212 ; 503216 ; 503217 ; 503220 ; 503223 ;
Abstract
A recording material containing the combination of at least one electron-donating colorless dye containing a p-substituted aminophenylindolyl azaphthalide and at least one electron-accepting compound containing an organic acid having at least one phenolic hydroxyl group. The material provides colored images having improved stability.