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:
Nov. 18, 1980
Filed:
Sep. 06, 1978
Applicant:
Inventors:
Hajime Kato, Fujinomiya, JP;
Yasuhiro Ogata, Fujinomiya, JP;
Assignee:
Fuji Photo Film Co., Ltd., Minami-ashigara, JP;
Primary Examiner:
Int. Cl.
CPC ...
B41M / ; B41M / ; B41M / ;
U.S. Cl.
CPC ...
282 275 ; 106 21 ; 427150 ; 427151 ; 427152 ; 428307 ; 428530 ; 428913 ; 428914 ;
Abstract
A recording sheet capable of developing color when contacted with substantially colorless electron donating organic compounds functioning as a color former comprising a support having thereon a layer of a dispersion comprising (1) at least one salt of a polyvalent metal and an aromatic carboxylic acid, as a color developer, (2) at least one water-soluble polymer containing hydroxyl groups and (3) at least one of a melamine resin and a urea resin.