Invention Grant
- Patent Title: Water-degradable paper sheet, and tube for a paper roll consisting of such a sheet
- Patent Title (中): 可降解水性纸片和由这种片材组成的纸卷管
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Application No.: US13139952Application Date: 2009-12-16
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Publication No.: US08758564B2Publication Date: 2014-06-24
- Inventor: Pierre Graff , Veronique Wiss , Remy Ruppel , Pierre Probst
- Applicant: Pierre Graff , Veronique Wiss , Remy Ruppel , Pierre Probst
- Applicant Address: FR Saint-Ouen
- Assignee: SCA Tissue France
- Current Assignee: SCA Tissue France
- Current Assignee Address: FR Saint-Ouen
- Agency: Drinker Biddle & Reath LLP
- Priority: FR0858807 20081218
- International Application: PCT/EP2009/067270 WO 20091216
- International Announcement: WO2010/069988 WO 20100624
- Main IPC: D21H17/28
- IPC: D21H17/28

Abstract:
A water-degradable paper sheet has a basis weight of 80 to 400 g/m2 and is dry-formed from paper fibers bound together by a water-soluble binder including starch, the amount of binder in the sheet being 30 to 70%. Additionally, a tube is formed by a cylinder having a wall that includes at least one dry-formed paper sheet including paper fibers bound together by a water-soluble binder.
Public/Granted literature
- US20110305855A1 WATER-DEGRADABLE PAPER SHEET, AND TUBE FOR A PAPER ROLL CONSISTING OF SUCH A SHEET Public/Granted day:2011-12-15
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