Method for unclogging drainage pipes

Details Method for unclogging drainage pipes Method for unclogging drainage pipes

1985-01-25

1986-09-09

Willis, Prince E.

Compositions

Water-softening or purifying or scale-inhibiting agents

25217417, 252173, 252DIG14, 435264, C11D 742, D06M 1600

Patent

active

046108009

ABSTRACT:
Drainage pipes, such as toilet drains, which are clogged with cellulosic paper products, are unclogged by contacting the paper with a cellulase enzyme in the form of an aqueous solution, a viscous fluid comprising the enzyme dispersed in a non-cellulosic water-soluble natural or synthetic gum, or solid particles comprising the enzyme dispersed in a water-soluble polymer.

REFERENCES:
patent: 3041246 (1962-06-01), Bolaski et al.
patent: 3406089 (1968-10-01), Yerkes
patent: 3506582 (1970-04-01), Gertzman
patent: 3635797 (1972-01-01), Battistoni et al.
patent: 3746649 (1973-07-01), Barret
patent: 3813342 (1974-05-01), Cooperman
patent: 3966543 (1976-06-01), Cayle et al.
patent: 4272396 (1981-06-01), Fukano et al.
patent: 4435307 (1984-03-01), Barbeagaard et al.
patent: 4443355 (1984-04-01), Murata et al.
ABIPC, vol. 51, No. 10 (Apr., 1981) Abstr. 9609.
ABIPC, vol. 48, No. 6 (Dec., 1977) 5695(M).
Soap & Chemical Specialties, "Biokem D," Jun. 1963, pp. 130, 131.

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