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:
Jul. 17, 2001
Filed:
Dec. 10, 1998
Applicant:
Inventors:
Takafumi Atarashi, Tokyo, JP;
Katsuto Nakatsuka, Sendai-shi, Miyagi, JP;
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
B32B 5/16 ;
U.S. Cl.
CPC ...
B32B 5/16 ;
Abstract
A powder comprising a base particle which has been colored desirably and vividly and having a high light transmittance in the visible region. The powder is a multilayer-coated powder comprising a base particle having thereon a multilayered film comprising at least one thin layer comprising a metal sulfide, a metal fluoride, a metal carbonate or a metal phosphate. This multilayered film reflects or absorbs the light having a specific wavelength according to the thickness thereof, the sequence of layer superposition, etc.