Process for producing an enzyme product having variable solubili

Details Process for producing an enzyme product having variable solubili Process for producing an enzyme product having variable solubili

1975-06-19

1977-04-12

Shapiro, Lionel M.

Textiles: fiber preparation

195 63, 195DIG11, C07G 702

Patent

active

040173640

ABSTRACT:
An enzymatically active product is prepared by reacting an enzyme, e.g. trypsin, with a polymer carrying both free aldehyde groups and free acid groups, e.g. a copolymer of acroelin and acrylic acid containing at least 10 % of free aldehyde groups based on the total of free aldehyde and acid groups. The product has a variable solubility in aqueous medium so that the enzyme bound to the polymer can be recovered for reuse by adjusting the pH to precipitate the polymer.

REFERENCES:
patent: 3649457 (1972-03-01), Westman
patent: 3730841 (1973-05-01), Forgione et al.
patent: 3753861 (1973-08-01), Forgione
patent: 3847743 (1974-11-01), Forgione

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