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:
Dec. 11, 1984
Filed:
Jun. 09, 1983
Applicant:
Inventors:
Assignee:
Toyo Cloth Co., Ltd., Sennan, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ; B44C / ; C09J / ;
U.S. Cl.
CPC ...
156 77 ; 156155 ; 156231 ; 156249 ; 1563317 ; 428904 ; 4283179 ;
Abstract
This invention relates to a method of producing a moisture-permeable artificial leather comprising transferring a water-soluble inorganic salt-containing polyurethane layer onto a base fabric and washing the polyurethane layer with water to extract out said water-soluble inorganic salt. A feature of the invention is that the inorganic salt used has a particle diameter range such that at least 90% thereof is not larger than 30 microns.