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:
Apr. 06, 1999
Filed:
Oct. 10, 1995
Toshibumi Imai, Tokyo, JP;
Akihiko Kobayashi, Tokyo, JP;
Tsutomu Shikakubo, Tokyo, JP;
Masayuki Taniguchi, Tokyo, JP;
Kazuya Yabusa, Tokyo, JP;
Testuo Aizawa, Tokyo, JP;
Motoko Yoshikawa, Tokyo, JP;
Toppan Printing Co., Ltd., Tokyo, JP;
Abstract
A card having a paper as a base material laminated with decomposable plastic layers having such properties as durability, banding resistance, water resistance, chemical resistance, waterproofness, surface smoothness, glossiness end workability. Any visible information/design portion and/or a magnetic recording portion may be formed as required. The present invention improves the durability of a card using paper as a base material and provides the card which spontaneously decomposes even when left after being discarded.