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:
May. 26, 1981
Filed:
May. 10, 1979
Applicant:
Inventors:
Assignee:
Fuji Photo Film Co., Ltd., Minami-ashigara, JP;
Primary Examiner:
Int. Cl.
CPC ...
B41L / ; B41M / ; B41M / ;
U.S. Cl.
CPC ...
428341 ; 252316 ; 282 275 ; 427150 ; 427161 ; 428206 ; 428207 ; 428307 ; 428914 ; 428342 ; 428341 ;
Abstract
A recording material in which a particular salicylic acid derivative is employed as a color developer, which derivative is a reaction product of a styrene dimer, an alkylstyrene dimer or the halogen substituted products thereof which material exhibits improved water resistivity, keeping stability and workability, does not produce color contamination when dipped in water and can exhibit its color-developing ability without special treatment.
Kato, Hajime. (1981). Recording material containing a novel color developer (U.S. Patent No. 4269893). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4269893
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile