Concentrated liquid solutions of scleroglucan

Details Concentrated liquid solutions of scleroglucan Concentrated liquid solutions of scleroglucan

1989-11-27

1993-06-01

Stoll, Robert L.

Compositions

Preservative agents

Anti-corrosion

2523153, 536124, 536127, B01J 1300, C07H 106, C13K 104

Patent

active

052156818

ABSTRACT:
The invention relates to new concentrated liquid solutions of polysaccharides, characterized in that they are prepared by ultrafiltration of a dilute solution of polymer to which a surface-active agent has been added.
The solutions can be employed, after dilution, in particular as a thickening agent for aqueous fluids.

REFERENCES:
patent: 3301848 (1967-01-01), Halleck
patent: 3355447 (1967-11-01), O'Connell
patent: 4160726 (1979-07-01), DelPico
patent: 4299825 (1981-11-01), Lee
patent: 4525515 (1985-06-01), Peignier et al.
patent: 4667026 (1987-05-01), Jarry et al.
patent: 4894335 (1990-01-01), Peignier et al.
patent: 4960697 (1990-10-01), Johal et al.
patent: 5003060 (1991-03-01), Vinot
Industrial Gums Polysacharides and there Derivatives, Roy L. Wistler (Academic Press, N.Y. 1973) pp. 502-505.
Derwent Abstract, 80-72032C/41 (corresponding to EP 0016640).
Derwent Abstract, 81-83838D/46 (corresponding to EP 0039128).
Derwent Abstract, 88-044266/07.

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