Spherically shaped material comprising acylated product of de-N-

Details Spherically shaped material comprising acylated product of de-N- Spherically shaped material comprising acylated product of de-N-

1980-06-04

1982-10-26

Dawson, Robert A.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Particulate matter

128DIG8, 252316, 252426, 252448, 424361, 427 2, 428332, 428402, 521 29, 536 20, B32B 100, C08B 3708

Patent

active

043562361

ABSTRACT:
A spherically shaped material at least the surface layer of which comprises an acylated product of de-N-acetylated chitin. The spherical material is insoluble in water, acids, alkaline solutions and organic solvents. The materials can be employed to separate materials on a column, as a base material on which enzyme is immobilized and as an adsorbent, etc.

REFERENCES:
patent: 2842049 (1958-07-01), Delangre
patent: 3847897 (1974-11-01), Dunn et al.
patent: 3879376 (1975-04-01), Vanlerberghe et al.
patent: 3879377 (1975-04-01), Austin
patent: 4029727 (1977-06-01), Austin et al.
patent: 4111810 (1978-09-01), Arai et al.
patent: 4143201 (1979-03-01), Miyashiro et al.
patent: 4255286 (1981-03-01), Berek et al.
Proceedings International Conference Chitin/Chitosan, 1st 1977, Published May, 1978, G. K. Hoore et al.: "Studies on the Acetylation of Chitosan", pp. 421-429.

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