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:
Feb. 23, 1993
Filed:
Dec. 19, 1989
Hiroshi Kawahara, Osaka, JP;
Noriaki Okunaka, Osaka, JP;
Mitsuru Kobayashi, Osaka, JP;
Isao Tokuno, Osaka, JP;
Shuzo Ohara, Osaka, JP;
Goyo Paper Working Co., Ltd., Osaka, JP;
Abstract
The present invention provides a waterproof recording material having ground patterns characterized in that the ground patterns are imparted to the surface of a film of a resin composition comprising a thermoplastic synthetic resin and a filler. According to this invention, it is possible to provide a fine-looking recording material which, besides excellent waterproofness and recording property, may have various stages of surface properties and visual effects imparted by means of the ground patterns. The waterproof recording material having ground patterns of the present invention is suitable as a material of valuable securities and the like, facilitating true/false discrimination and preventing illegal use or abuse thereof by altering, falsification et cetera.