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:
Oct. 16, 2001
Filed:
Jun. 03, 1999
Applicant:
Inventors:
Shigeki Takada, Kurashiki, JP;
Sadahiko Shiraga, Kurashiki, JP;
Assignee:
Kuraray Co., Ltd., Kurashiki, JP;
Primary Examiner:
Int. Cl.
CPC ...
B25D 2/200 ;
U.S. Cl.
CPC ...
B25D 2/200 ;
Abstract
A water-soluble polyvinyl alcohol coating agent for a film contains from 3 to 19 mol % of &agr;-olefin units, wherein each said &agr;-olefin unit contains up to 4 carbon atoms. The polyvinyl alcohol coating agent can be coated on a polyolefin, a polyester or a polyamide substrate film to form a laminate film. A method for producing the laminate film comprises applying an aqueous solution of the coating agent to the substrate film, followed by drying the coating.