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. 08, 2005
Filed:
Jun. 07, 2002
Applicants:
Masayoshi Kikuchi, Mihara, JP;
Nobuo Ohkawa, Mihara, JP;
Inventors:
Masayoshi Kikuchi, Mihara, JP;
Nobuo Ohkawa, Mihara, JP;
Assignee:
Teijin Limited, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B003/00 ;
U.S. Cl.
CPC ...
Abstract
A porous sheet is provided suitable for use as a substitute for natural leather for shoes, clothes, and a fiber composite sheet. The porous sheet is formed of an elastic polymer, has a thickness of 10 to 500 μm, and has 500 to 15,000 fine pores mminside, the fine pores having an average pore diameter of 1 to 20 μm, and which has a breaking strength of 1 to 15 N/mmand a breaking elongation of 100 to 500%. A fiber composite sheet is also provided, wherein the porous sheet is laminated on a substrate made of a fiber aggregate as a main component.