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. 13, 1985
Filed:
Jul. 06, 1982
Applicant:
Inventors:
Ken Iwakura, Kanagawa, JP;
Sadao Ishige, Kanagawa, JP;
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M / ; B41M / ; B41M / ;
U.S. Cl.
CPC ...
346221 ; 346217 ; 427150 ;
Abstract
Fluoran derivatives having an arylamino group at 2-position of the fluoran skeleton thereof and a halogen atom at 3-position of the flouran skeleton thereof, useful as a dye precursor in recording materials such as heat-sensitive, pressure-sensitive, energizable heat-sensitive, and light-sensitive recording sheets and the like.