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:
Jan. 24, 1978
Filed:
Apr. 23, 1975
Applicant:
Inventors:
Sadao Ishige, Minami-ashigara, JA;
Hideo Usui, Minami-ashigara, JA;
Hajime Kato, Fujimiya, JA;
Keiso Saeki, Fujimiya, JA;
Masataka Kiritani, Fujimiya, JA;
Assignee:
Fuji Photo Film Co., Ltd., Minami-ashigara, JA;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41M / ; B41M / ; B41M / ; B41M / ;
U.S. Cl.
CPC ...
427282 ; 8 542 ; 282 275 ; 427150 ; 427151 ; 427256 ; 427288 ; 428323 ; 428326 ; 428537 ; 428913 ; 428914 ;
Abstract
A recording method and material employing a basic color former component which changes to a colored species by an interaction with a cellulose fiber and has a molecular extinction coefficient of not less than about 100 in an ethyl alcohol solution.