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. 23, 2003
Filed:
May. 29, 2001
Applicant:
Inventors:
Takafumi Atarashi, Tokyo, JP;
Kiyoshi Hoshino, Tokyo, JP;
Katsuto Nakatsuka, Sendai-shi, Miyagi 982-0252, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 1/102 ; C09K 1/108 ; B41M 3/14 ; B41M 5/26 ; G03G 9/09 ;
U.S. Cl.
CPC ...
C09K 1/102 ; C09K 1/108 ; B41M 3/14 ; B41M 5/26 ; G03G 9/09 ;
Abstract
A fluorescent or luminous composition, comprising a multilayered film-coated powder having at least two coating films on a base particle, and a fluorescent or luminous substance; the composition, wherein at least one layer of the coating films contains the fluorescent or luminous substance; a genuine/counterfeit discrimination object, in which the fluorescent or luminous composition; and a genuine/counterfeit discrimination method, comprising recognizing fluorescence or luminescence by irradiating, with a light, the genuine/counterfeit discrimination object.