Invention Grant
- Patent Title: Paper comprising PIPD floc and process for making the same
- Patent Title (中): 包含PIPD絮凝剂的纸张及其制造方法
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Application No.: US12084007Application Date: 2006-12-19
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Publication No.: US08444814B2Publication Date: 2013-05-21
- Inventor: Mikhail R. Levit
- Applicant: Mikhail R. Levit
- International Application: PCT/US2006/062270 WO 20061219
- International Announcement: WO2007/076334 WO 20070705
- Main IPC: D21H13/20
- IPC: D21H13/20
Abstract:
The invention concerns a paper comprising polypyridobisimidazole floc having a length of from 1.0 to 15 mm, where the apparent density of the paper is from 0.1 to 0.4 g/cm3 and the tensile strength of the paper in N/cm is at least 0.000052X*Y, where X is the volume portion of polypyridobisimidazole in the total solids of the paper in % and Y is basis weight of the paper in g/m2.
Public/Granted literature
- US20090250181A1 PAPER COMPRISING PIPD FLOC AND PROCESS FOR MAKING THE SAME Public/Granted day:2009-10-08
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