Chemistry: molecular biology and microbiology – Process of utilizing an enzyme or micro-organism to destroy... – Textile treating
Patent
1988-12-08
1990-03-27
Naff, David M.
Chemistry: molecular biology and microbiology
Process of utilizing an enzyme or micro-organism to destroy...
Textile treating
81161, 25217412, 252DIG12, 435188, 435209, 435264, D06M 1600, C12N 996, C12N 942
Patent
active
049120565
ABSTRACT:
Denim having a stone washed appearance is produced without stones by treating with a cellulase enzyme. Unsewn dyed denim fabric or a newly manufactured garment made of dyed denim fabric is contacted with an aqueous composition containing at least about 2500 CMCS units of cellulase per liter, and subjected to mechanical action. Preferably, the aqueous composition provides at least about 6000 CMC units of cellulase per pound of unsewn fabric or garment. The aqueous may also contain an electrolyte, a buffer, a builder salt a cellulase activator, an antioxidant and a solubilizer.
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patent: 4661289 (1987-04-01), Parslow et al.
patent: 4740213 (1988-04-01), Ricci
Celluzyme.TM. Novo Enzymes Product Sheet, Apr., 1987.
Merck Index, p. 210, 8th edition, 1968.
Wall Street Journal, May 29, 1987, pp. 1, 9.
Ecolab Inc.
Naff David M.
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