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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Hara; Masami
Address:
Hofu, JP
No. of patents:
6
Patents:












Patent Number Title Of Patent Date Issued
5244734 Fine cellulose particles and process for production thereof September 14, 1993
A process for producing fine cellulose particles, which comprises(1) mixing viscose with a water-soluble anionic polymeric compound or polyethylene glycol or its derivative to form a dispersion of fine particles of viscose,(2) (i) heating the dispersion or mixing it with a coagulating agent
5196527 Porous ion-exchanged fine cellulose particles, method for production thereof, and affinity carri March 23, 1993
This invention relates to ion-exchanged fine cellulose particles, porous fine cellulose particles which can be advantageously used as an affinity carrier, and methods of production thereof. These fine particles of the invention have the advantage that they possess excellent pressure-
5108596 Borous ion-exchanged fine cellulose particles, method for production thereof, and affinity carri April 28, 1992
This invention relates to ion-exchanged fine cellulose particles, porous fine cellulose particles which can be advantageously used as an affinity carrier, and methods of production thereof. These fine particles of the invention have the advantage that they possess excellent pressure-
5064950 Fine cellulose particles and process for production thereof November 12, 1991
Fine crosslinked cellulose particles, wherein (1) said cellulose particles are composed substantially of a II-type cellulose crystalline phase and a non-crystalline cellulose phase, (2) said cellulose particles have a crystallinity, determined by X-ray diffractometry, of 5 to 35%, (3) sa
4946953 Fine cellulose particles and process for production thereof employing coagulated viscose August 7, 1990
Fine crosslinked cellulose particles, wherein (1) said cellulose particles are composed substantially of a II-type cellulose crystalline phase and a non-crystalline cellulose phase, (2) said cellulose particles have a crystallinity, determined by X-ray diffractometry, of 5 to 35%, (3) sa
4902792 Fine cellulose particles and process for production thereof February 20, 1990
A process for producing fine cellulose particles, which comprises(1) mixing viscose with a water-soluble anionic polymeric compound or polyethylene glycol or its derivative to form a dispersion of fine particles of viscose,(2) (i) heating the dispersion or mixing it with a coagulating agent










 
 
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