Invention Grant
US07608661B2 Water-soluble film from copolymers of vinyl alcohol and itaconic acid, and paper coating articles therefrom
有权
由乙烯醇和衣康酸的共聚物制成的水溶性薄膜和由它们制成的纸涂层制品
- Patent Title: Water-soluble film from copolymers of vinyl alcohol and itaconic acid, and paper coating articles therefrom
- Patent Title (中): 由乙烯醇和衣康酸的共聚物制成的水溶性薄膜和由它们制成的纸涂层制品
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Application No.: US12077308Application Date: 2008-03-17
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Publication No.: US07608661B2Publication Date: 2009-10-27
- Inventor: Elliott Echt , Peter A. Morken , G. Michael Collins
- Applicant: Elliott Echt , Peter A. Morken , G. Michael Collins
- Applicant Address: US DE Wilmington
- Assignee: E.I. du Pont de Nemours and Company
- Current Assignee: E.I. du Pont de Nemours and Company
- Current Assignee Address: US DE Wilmington
- Main IPC: D21H19/60
- IPC: D21H19/60 ; C09D131/04 ; C09D133/02 ; C09D133/08
Abstract:
The present invention is a composition useful for coating the surface of paper wherein the coating composition is an aqueous solution comprising less than 40 wt % water and consisting essentially of a polyvinyl alcohol copolymer that is at least about 95 % hydrolyzed, and a process for preparing the same.
Public/Granted literature
- US20080176993A1 Copolymers of vinyl alcohol and itaconic acid for use in paper coatings Public/Granted day:2008-07-24
Information query
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