Liquid purification or separation – Processes – Treating by enzyme
Patent
1994-04-06
1995-03-07
McCarthy, Neil
Liquid purification or separation
Processes
Treating by enzyme
210764, 210928, 422 28, 422 36, 422 37, 435259, 4352625, 435800, 162161, C02F 150, C02F 328
Patent
active
053955307
ABSTRACT:
The present invention provides a method for inhibiting the growth of filamentous microorganisms. The method includes the steps of adding effective amounts of a biocide and an enzyme. The enzyme of the present invention enhances the leakiness of the protective sheath around the filamentous microorganisms to allow the penetration of the biocide into the cells of the filamentous microorganisms.
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patent: 3824184 (1974-07-01), Hatcher
patent: 4370199 (1983-01-01), Orndorff
patent: 4478683 (1984-10-01), Orndorff
patent: 4684469 (1987-08-01), Pedersen et al.
patent: 4936994 (1990-06-01), Wiatr
patent: 4981592 (1991-01-01), Garbutt et al.
patent: 5071765 (1991-10-01), Wiatr
Vaara, Agents That Increase the Permeability of the Outer Membrane, Microbiological Reviews, 395-411 (Sep. 1992).
Hatcher, Enzymatic Control of Biological Deposits in Papermaking, Biotech Adv., vol. 2, 309-317 (1984).
Krolczyk Joseph J.
LaZonby Judy G.
Melo Harley R.
Robertson Linda R.
Wiatr Christopher L.
McCarthy Neil
Nalco Chemical Company
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