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:
Dec. 24, 2002
Filed:
Sep. 18, 2000
Applicant:
Inventors:
Yasuyuki Yoshimura, Ibaragi, JP;
Naoshi Murata, Higashiosaka, JP;
Yuki Yamamoto, Yamatokoriyama, JP;
Assignee:
Sakura Color Products Corp., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 1/100 ; C09D 1/116 ;
U.S. Cl.
CPC ...
C09D 1/100 ; C09D 1/116 ;
Abstract
The invention is directed to a scratch ink composition improved in erasability, hiding power and ease of use. The invention relates to a scratch ink composition comprising a flaky pigment having a particle size distribution (as determined with a laser diffraction particle size distribution analyzer) such that the integral fraction of particles not larger than 10 &mgr;m in diameter is not more than 30%, a resin component, and a solvent.