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:
Nov. 30, 1999
Filed:
Mar. 28, 1997
Jiro Takahashi, Yokohama, JP;
Fumitoshi Ishikawa, Tokyo, JP;
Hitachi Electronics Services Co., Ltd., Tokyo, JP;
Mishima Paper Co., Ltd., Tokyo, JP;
Abstract
A laminated paper, including a water soluble polyvinyl alcohol layer of 15-40 .mu.m thickness having an air permeability of 800,000 seconds/100 ml or higher, a total thickness of 40-100 .mu.m and a lengthwise softness of 50 g or less. The laminated paper has high air permeability, extremely superior in air tightness, water soluble, and easy to dispose and recycle. Furthermore, there is no static electricity generated, it is strong in heat sealing, and it has conversion performance. Plus, in the safety aspect, it is non-toxic, waste is safe, and when cushioning material 10 is formed, disposal process is easy as the water soluble PVA film and the paper base are both biodegradable. This laminated paper is an environment friendly industrial material.