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:
Aug. 19, 2003
Filed:
Jul. 20, 2001
Takanori Isozaki, Kurashiki, JP;
Naoki Fujiwara, Kurashiki, JP;
Kazuyuki Somemiya, Kurashiki, JP;
Shintaro Hikasa, Kurashiki, JP;
Kuraray Co., Ltd., Kurashiki, JP;
Abstract
A water-soluble resin composition is provided which comprises (i) 100 parts by weight of a polyvinyl alcohol polymer having a 1,2-glycol linkage content of at least 1.8 mole percent and a degree of hydrolysis of at least 90 mole percent, (ii) 1 to 50 parts by weight of a plasticizer and (iii) 5 to 50 parts by weight of a monosaccharide and/or a polysaccharide, optionally together with (iv) 1 to 20 parts by weight of an inorganic filler. Also provided is a water-soluble resin composition which comprise (i′) 100 parts by weight of a polyvinyl alcohol polymer having a 1,2-glycol linkage content of at least 1.8 mole percent and a degree of hydrolysis of 92 to 99 mole percent, (ii′) 1 to 50 parts by weight of a plasticizer and (iv′) 1 to 20 parts by weight of an inorganic filler, optionally together with (iii′) 5 to 50 parts by weight of a monosaccharide and/or polysaccharide. Further provided are water-soluble films produced by using those water-soluble resin compositions.