Compositions – Water-softening or purifying or scale-inhibiting agents
Patent
1980-10-30
1981-12-15
Weinblatt, Mayer
Compositions
Water-softening or purifying or scale-inhibiting agents
252DIG12, 252114, 252122, 252132, 252153, 252527, 252546, 252539, 424 94, C11D 742, C11D 3386
Patent
active
043058370
ABSTRACT:
Stabilized aqueous enzyme compositions contain a stabilizing system comprising calcium ions and a low molecular weight carboxylic acid or salt, preferably a formate, preferably with a low molecular weight alcohol, and in a pH range of from about 6.5 to about 10. Most preferred is a detergent composition containing the stabilized enzymes.
REFERENCES:
patent: 3325364 (1967-06-01), Merritt et al.
patent: 3557002 (1971-01-01), McCarty
patent: 3676374 (1972-07-01), Zaki et al.
patent: 3893955 (1975-07-01), Hewitt et al.
patent: 4111855 (1978-09-01), Barrat et al.
patent: 4243546 (1981-01-01), Shaer
Christy Ronald S.
Kaminsky George J.
Aylor Robert B.
O'Flaherty Thomas H.
The Procter & Gamble & Company
Weinblatt Mayer
Witte Richard C.
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