Biodegradable aspartic acid polymers for preventing scale format

Details Biodegradable aspartic acid polymers for preventing scale format Biodegradable aspartic acid polymers for preventing scale format

1996-09-20

1999-03-02

Diamond, Alan

Compositions

Water-softening or purifying or scale-inhibiting agents

Plant or organic material containing

252353, 252354, 252355, 252356, 252357, 252175, 510247, 510264, 510266, 210698, 5253284, 525420, 5253282, 528322, 528328, 528332, C02F 512

Patent

active

058766235

ABSTRACT:
A biodegradable anti-scalant for steam generators, boilers and other heat transfer equipment is provided. Anti-scalants prepared in accordance with the present invention include aspartic acid, poly(aspartic acid) and copolymers of aspartic acid and functionalized aspartic acid. Anti-scalants provided in accordance with the present invention are biodegradable and therefore more environmentally friendly than currently available anti-scalant for use with hard water. Methods and use of making anti-scalants are also provided.

REFERENCES:
patent: 3590122 (1971-06-01), Hutcheson et al.
patent: 4363797 (1982-12-01), Jacquet et al.
patent: 5306429 (1994-04-01), Wood et al.
patent: 5350536 (1994-09-01), Chen et al.
Chemical Abstracts Number 116:54036, Feb. 1992.

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