Biological removal of dihalocarboxylic acid irritants

Details Biological removal of dihalocarboxylic acid irritants Biological removal of dihalocarboxylic acid irritants

1995-07-27

1997-04-01

Paden, Carolyn

Chemistry: molecular biology and microbiology

Process of utilizing an enzyme or micro-organism to destroy...

Cleaning using a micro-organism or enzyme

4352625, D06M 1600

Patent

active

056164980

ABSTRACT:
Contaminating trace amounts of byproduct dihalocarboxylic acids or salts thereof are removed from aqueous solutions which comprise less than 1,000 ppm of same and at least 20% by weight of amino acids or amino acid derivatives, to render such aqueous solutions nonirritating to biological membranes and suitable for cosmeticology applications, by directly contacting the original aqueous solutions with either (a) about 1 to 100 ppm of a microorganism producing an enzyme specific for the decomposition of said dihalocarboxylic acids or salts thereof, or (b) about 0.1 to 10 ppm of such enzyme, per se.

REFERENCES:
Journal of Bacteriology, vol. 163, No. 2, Aug. 1985, pp. 635-639, Keuning et al.

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