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. 01, 1994
Filed:
May. 31, 1991
Applicant:
Inventor:
Yoshihiro Umemura, Kyoto, JP;
Assignee:
Unitika Ltd., Hyogo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B61F / ; B32B / ; B32B / ;
U.S. Cl.
CPC ...
428 354 ; 428421 ; 428422 ; 428452 ; 428451 ; 428913 ; 604332 ;
Abstract
ABSTRACT OF THE DISCLOSURE A multi-layered sheet is disclosed, comprising a film substrate or sheet substrate which swells, disperses or dissolves in water, which has a fluorine-type or silicone-type water repellent coated on one side of the substrate.