Method for handling iminocarboxylic acid salt

Details Method for handling iminocarboxylic acid salt Method for handling iminocarboxylic acid salt

1995-10-18

2000-05-16

Brouillette, D. Gabrielle

Compositions

Miscellaneous

562571, 562568, C09K 3102, C07C22900

Patent

active

060633026

ABSTRACT:
An aqueous iminocarboxylic acid salt solution composition the iminocarboxylic acid salt of which has a structure of the formula (II): ##STR1## wherein R is a hydrogen atom or a hydroxyl group and Y is a sodium atom, a potassium atom, or an ammonium group, contains an aspartic acid backbone moiety whose molar ratio of the isomers, i.e. D form/L form, is in the range of 1/0 to 0.7/0.3 or D form/L form, in the range of 0/1 to 0.3/0.7, and accounts for a concentration in the range of 40 to 70% by weight and a method for handling the composition while keeping the pH value thereof kept in the range of 7 to 12.

REFERENCES:
patent: 5318726 (1994-06-01), Rossmaier et al.
European Search Report EP 95 30 7462, Jan. 19, 1996.
Derwent publication of JP 6-41030 (1994).
Patent Abstract of Japan, of JP 5170714 (1993).
Derwent publication, JP 5-58929 (1993).

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