Cationic microfibrillated plant fibre and manufacturing method for same

US8969441B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8969441-B2
Application numberUS-201113574883-A
CountryUS
Kind codeB2
Filing dateFeb 4, 2011
Priority dateFeb 5, 2010
Publication dateMar 3, 2015
Grant dateMar 3, 2015

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Abstract

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The present invention provides a novel cationized microfibrillated plant fiber and a method for manufacturing the same. A cationic microfibrillated plant fiber that is cationically modified with a quaternary-ammonium-group-containing compound, and that has an average diameter of 4 to 200 nm.

First claim

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The invention claimed is: 1. A method for manufacturing a microfibrillated cellulose fiber cationically modified with a quaternary-ammonium-group-containing compound, the microfibrillated cellulose fiber cationically modified with a quaternary-ammonium-group-containing compound having a degree of substitution of quaternary ammonium groups of not less than 0.03 to less than 0.4 per anhydrous glucose unit and an average diameter of 4 to 200 nm, the method comprising the steps of: (1…

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What does patent US8969441B2 cover?
The present invention provides a novel cationized microfibrillated plant fiber and a method for manufacturing the same. A cationic microfibrillated plant fiber that is cationically modified with a quaternary-ammonium-group-containing compound, and that has an average diameter of 4 to 200 nm.
Who is the assignee on this patent?
Yano Hiroyuki, Hashimoto Tadafumi, Sato Akihiro, and 7 more
What technology area does this patent fall under?
Primary CPC classification D21H11/22. Mapped technology areas include Textiles & Paper.
When was this patent published?
Publication date Tue Mar 03 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).