Fractionated agaroid compositions, their preparation and use

Details Fractionated agaroid compositions, their preparation and use Fractionated agaroid compositions, their preparation and use

Filed on

1993-04-08

Date issued

1997-09-23

Examiner

Mullis, Jeffrey C.

Patent Class

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

SubClass

Organic compounds

SubSubClass

Carbohydrates or derivatives

Other Related Categories

536124, 536127, C08B 3712

Type

Patent

Status

active

Patent number

056706367

Description

ABSTRACT:
A process for fractionating agaroid compositions by dissolving the agaroid in a glycol, precipitating a first fraction by cooling and precipitating a second fraction by incorporating a nonsolvent to form two fractions substantially more soluble in water than the initial agaroid. Optionally the solubility of either fraction can be converted to conventional solubilities.

REFERENCES:
patent: 3956273 (1976-05-01), Guiseley
patent: 3959457 (1976-05-01), Speaker et al.
patent: 4291025 (1981-09-01), Pellico
patent: 4965591 (1990-10-01), Kurabayashi et al.
patent: 4985538 (1991-01-01), Fukuda et al.
patent: 5175000 (1992-12-01), Godowski et al.

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