Chitin powder and process for making it

Details Chitin powder and process for making it Chitin powder and process for making it

1979-09-21

1981-08-25

Brown, Johnnie R.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carbohydrates or derivatives

424180, C08B 3708

Patent

active

042860873

ABSTRACT:
A friable, dispersible microcrystalline chitin powder and a process of making same by treating particulate chitin at an elevated temperature with phosphoric acid, particularly with phosphoric acid diluted with a lower aliphatic alcohol, separating the treated chitin and subjecting same to shearing in an inert liquid medium until a uniform dispersion is obtained, thereafter separating the sheared chitin and drying and grinding same to a fine powder.

REFERENCES:
patent: 2783148 (1957-02-01), Gyorgy et al.
patent: 3879377 (1975-04-01), Austin
patent: 3892731 (1975-07-01), Austin
patent: 4029727 (1977-06-01), Austin et al.
patent: 4059097 (1977-11-01), Casey
patent: 4063016 (1977-12-01), Austin et al.

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