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:
Sep. 16, 1997
Filed:
Aug. 26, 1996
Akihiko Yoshida, Hirakata, JP;
Masaki Ikeda, Hirakata, JP;
Kunio Kimura, Kyoto, JP;
Atsushi Nishino, Neyagawa, JP;
Hiroyuki Nakazumi, Kawachinagano, JP;
Noboru Tohge, Yamatokoriyama, JP;
Tsutomu Minami, Sayama, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
The composite layer according to the present invention comprises a substrate and a colored layer formed on the surface of this substrate. This colored layer contains a transparent layer and a coloring agent dispersed within the transparent layer, and this transparent layer is made of an inorganic gel or glass material, while the coloring agent contains dyes or pigments. The composite layers of the present invention are suitable for use in products such as construction materials with the appearance of marble, colored glass materials for decorative purposes, or color filters.