Composition for water treatment containing polyaspartic acidora

Details Composition for water treatment containing polyaspartic acidora Composition for water treatment containing polyaspartic acidora

1994-10-07

1996-06-11

Kalafut, Stephen

Compositions

Water-softening or purifying or scale-inhibiting agents

Plant or organic material containing

252180, 210700, C02F 500

Patent

active

055252575

ABSTRACT:
An improved composition for water treatment and for alkaline cleaning contains polyaspartic acid or a derivative thereof and a polycarboxylic acid.

REFERENCES:
patent: 4008164 (1977-02-01), Watson et al.
patent: 4196272 (1980-04-01), Goretta et al
patent: 4277359 (1981-07-01), Lipinski
patent: 4431547 (1984-02-01), Dubin
patent: 4530766 (1985-07-01), Hann et al.
patent: 4839461 (1989-06-01), Boehmke
patent: 5116513 (1992-05-01), Koskan et al.
patent: 5152902 (1992-10-01), Koskan et al.
patent: 5284512 (1994-02-01), Koskan et al.
patent: 5373086 (1994-12-01), Koskan
Orbit abstract of WO-A-9419288 (09/01/94).
Kovacs et al., Chemical Studies of Polyaspartic Acids. J. Org. Chem., vol. 26, pp. 1084-1091 (Apr. 1961).

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