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. 16, 2018
Filed:
Aug. 27, 2015
Sekisui Chemical Co., Ltd., Osaka, JP;
Yasuyuki Ieda, Aichi, JP;
Shintaro Moriguchi, Shiga, JP;
SEKISUI CHEMICAL CO., LTD., Osaka, JP;
Abstract
The present invention provides a water-soluble packaging film which is capable of packaging chemicals while maintaining appropriate flexibility without changes in the appearance or offensive odors over a long period of time, which takes much less time to dissolve in water, and which can achieve excellent water solubility, excellent visibility, and excellent chemical resistance. The present invention relates to a water-soluble packaging film containing: polyvinyl alcohol; a plasticizer; and an alkali metal, the water-soluble packaging film containing 3 to 15 parts by weight of the plasticizer based on 100 parts by weight of the polyvinyl alcohol, the water-soluble packaging film containing 0.3 to 5% by weight of the alkali metal based on 100% by weight of the water-soluble packaging film.