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:
Apr. 03, 1979
Filed:
Jan. 21, 1977
Applicant:
Inventors:
Hajime Kato, Fujimiya, JP;
Akira Igarashi, Fujimiya, JP;
Hiroharu Matsukawa, Fujimiya, JP;
Akio Miyamoto, Fujimiya, JP;
Assignee:
Fuji Photo Film Co., Ltd., Minami-ashigara, JP;
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ;
U.S. Cl.
CPC ...
428324 ; 282 275 ; 427150 ; 427151 ; 427261 ; 428307 ; 428325 ; 428327 ; 428328 ; 428330 ; 428914 ;
Abstract
A recording sheet comprising a support having thereon a layer of a color developer capable of forming a developed color image in the presence of a color former, wherein the color developer layer contains (1) a dimer of a compound of the formula (I): ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3, which may be the same or different, each represents a hydrogen atom, an alkyl group, an aryl group or an aralkyl group, and n is an integer of 1 to 4, as a color developer, and (2) an oil adsorptive inorganic pigment.