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:
Feb. 22, 1983
Filed:
Mar. 13, 1980
Applicant:
Inventors:
Takao Hayashi, Fujinomiya, JP;
Hajime Kato, Fujinomiya, JP;
Akio Miyamoto, Fujinomiya, JP;
Makoto Yoshida, Fujinomiya, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09D / ;
U.S. Cl.
CPC ...
106 21 ; 282 275 ; 427150 ;
Abstract
A color developer containing a combination of zinc oxide, at least one salicylic acid or nuclear substituted salicylic acid, and at least one metal silicate as an inorganic pigment, and a recording unit having a layer of the color developer. The color developer has a high developing ability and is capable of forming a distinct color having a high light resistance when it is contacted with a color former.