Textiles: fiber preparation
Patent
1976-05-11
1977-12-27
Penland, R. B.
Textiles: fiber preparation
195 29, C12D 1306
Patent
active
040653536
ABSTRACT:
An enzymatic hydrolysis method is disclosed for the preparation of D-carbamyl aminoacids and the corresponding D-aminoacids.
The method is based on the use of certain substituted hydantoins as the starting materials and these are hydrolized, in a temperature range from 10.degree. C to 70.degree. C, with hydropyrimidine hydrolase from calf livers. The pH range is from 8 to 9.
The method in question is cheaper and more reliable than those of the prior art.
REFERENCES:
patent: 3964970 (1976-06-01), Dinelli et al.
Cecere Francesco
Della Penna Gino
Galli Giuliano
Rappuoli Bruno
Penland R. B.
Snamprogetti S.p.A.
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