Invention Grant
- Patent Title: Barrier material and method for making the same
- Patent Title (中): 阻隔材料和制作方法
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Application No.: US13139814Application Date: 2009-12-21
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Publication No.: US08734959B2Publication Date: 2014-05-27
- Inventor: Caisa Johansson , Lars Järnström , Christopher Breen
- Applicant: Caisa Johansson , Lars Järnström , Christopher Breen
- Applicant Address: SE Karlstad SE Uppsala GB Sheffield South Yorkshire
- Assignee: Caisa Johansson,Lars Jarnstrom,Sheffield Hallam University
- Current Assignee: Caisa Johansson,Lars Jarnstrom,Sheffield Hallam University
- Current Assignee Address: SE Karlstad SE Uppsala GB Sheffield South Yorkshire
- Agency: Manelli Selter PLLC
- Agent Jeffrey S. Melcher
- Priority: SE0802677 20081230
- International Application: PCT/SE2009/051469 WO 20091221
- International Announcement: WO2010/077203 WO 20100708
- Main IPC: B32B23/04
- IPC: B32B23/04
Abstract:
The present invention relates to a biopolymer based barrier coating composition wherein said biopolymer based barrier coating composition comprises a plasticizer, a nano-sized clay and a biopolymer comprising a native starch and/or a de-graded starch and/or a chemically modified starch. The present invention also relates to a method for preparing the biopolymer based barrier coating composition as well as to a method for coating a cellulose based substrate with the biopolymer based barrier coating composition. Finally, the present invention relates to a cellulose based substrate coated with said biopolymer based barrier coating composition.
Public/Granted literature
- US20110293957A1 BARRIER MATERIAL AND METHOD FOR MAKING THE SAME Public/Granted day:2011-12-01
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