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:
Mar. 26, 2024
Filed:
Jan. 13, 2021
Applicant:
Mitsubishi Chemical Corporation, Tokyo, JP;
Inventor:
Shouichi Kani, Tokyo, JP;
Assignee:
MITSUBISHI CHEMICAL CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65D 75/28 (2006.01); C08K 5/053 (2006.01); C08K 5/103 (2006.01); C08K 5/53 (2006.01); B65D 65/46 (2006.01);
U.S. Cl.
CPC ...
C08K 5/103 (2013.01); B65D 75/28 (2013.01); C08K 5/053 (2013.01); B65D 65/46 (2013.01);
Abstract
A polyvinyl alcohol film is provided, which is highly transparent, and excellent in antistatic property and cold-water solubility. The polyvinyl alcohol film contains: (A) a polyvinyl alcohol resin; and (B) an ester of a C2 to C4 fatty acid (b1) and a polyhydric alcohol (b2); wherein the ester (B) is present in an amount of 1 to 4,000 ppm.