Process for extracting poly-beta-hydroxybutyrates by means of a

Details Process for extracting poly-beta-hydroxybutyrates by means of a Process for extracting poly-beta-hydroxybutyrates by means of a

1985-06-19

1987-11-10

Bascomb, Wilbur

Distillation: processes, separatory

Adding material to distilland except water or steam per se

Organic compound

203 14, 203 43, 435146, 435135, 528361, 528491, 528501, 560185, B01D 336, C07C 6966, C08G 6306

Patent

active

047056045

ABSTRACT:
A process for extracting poly-beta-hydroxybutyrates from an aqueous suspension of microorganisms, in which an azeotropic distillation, and an extraction of the polymer by means of the solvent used, are carried out simultaneously.
The poly-beta-hydroxybutyrates obtained can be used in medicine.

REFERENCES:
patent: 1934677 (1933-11-01), Ash
patent: 2602045 (1952-07-01), Hodge
patent: 3402107 (1968-09-01), Seeliger et al.
patent: 3687819 (1972-08-01), Levin
patent: 4197166 (1980-04-01), Inoue et al.
patent: 4310684 (1982-01-01), Vanlautem et al.
patent: 4365088 (1982-12-01), Vanlautem et al.
patent: 4562245 (1985-12-01), Stageman

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