US2012045636A1PendingUtilityA1
Porous cellulose aggregate and molding composition thereof
Est. expiryApr 22, 2025(expired)· nominal 20-yr term from priority
Y10T428/249921A61K 9/2018C08J 9/28C08J 2397/02A61K 9/2054A23P 10/28C08J 2201/0504A23L 29/262A23V 2002/00C08J 2301/02A61K 9/2059
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Abstract
A porous cellulose aggregate characterized by having a secondary aggregate structure resulting from aggregation of primary cellulose particles, having a pore volume within a particle of 0.265 to 2.625 cm 3 /g, containing I-type crystals and having an average particle size of over 30 to 250 μm, a specific surface area of 0.1 to less than 20 m 2 /g, a repose angle of 25° to less than 44° and a swelling degree of 5% or more, and characterized by having the property of disintegrating in water.
Claims
exact text as granted — not AI-modified1 . A porous cellulose aggregate having a medium pore diameter of 0.3-15 μm.
2 . A porous cellulose aggregate having a medium pore diameter of 3-15 μm.Cited by (0)
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