Stabilization of choline and its derivatives against discolorati

Details Stabilization of choline and its derivatives against discolorati Stabilization of choline and its derivatives against discolorati

1991-02-06

1993-05-11

Lovering, Richard D.

Compositions

Miscellaneous

1566591, 252189, 252403, 252545, 252548, 514642, 514893, 564293, C07C21300, C09K 300, C09K 1520

Patent

active

052098583

ABSTRACT:
The stabilization of aqueous or alkanolic solutions of choline and derivative of choline against discoloration on aging by the addition of an unsubstituted hydroxylamine salt to the choline solutions at levels of less than 1 percent.

REFERENCES:
patent: 2217711 (1940-10-01), Shappirio
patent: 2430031 (1947-11-01), Shappirio
patent: 2774759 (1956-12-01), Blackett et al.
patent: 3445498 (1969-05-01), Cyba
patent: 4575455 (1986-03-01), Miller
patent: 4629613 (1986-12-01), Grosskinsky et al.
patent: 4931195 (1990-06-01), Cao et al.

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