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:
Jan. 21, 2025
Filed:
Aug. 27, 2018
Applicant:
Sekisui Chemical Co., Ltd., Osaka, JP;
Inventor:
Yasuyuki Ieda, Aichi, JP;
Assignee:
SEKISUI CHEMICAL CO., LTD., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65D 65/46 (2006.01); C08J 5/18 (2006.01); B29C 59/04 (2006.01); B29K 29/00 (2006.01);
U.S. Cl.
CPC ...
B65D 65/46 (2013.01); C08J 5/18 (2013.01); B29C 59/04 (2013.01); B29K 2029/04 (2013.01); B29K 2995/0062 (2013.01); C08J 2329/04 (2013.01);
Abstract
A water-soluble packaging film according to the present invention is a water-soluble packaging film comprising a polyvinyl alcohol resin, and has, on a film surface, irregularities having a surface roughness (Ra) of 0.3 to 1 μm and a maximum height (Rz) of 3 to 9 μm.