Tert-amine treatment

Details Tert-amine treatment Tert-amine treatment

1991-03-18

1992-06-02

Hollrah, Glennon H.

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

564 2, 564 63, 564215, 560155, 560157, 548543, C07C20982

Patent

active

051188520

ABSTRACT:
A tert-amine which contains an acid-activated color body precursor is treated to prevent it or a derivative thereof, e.g., an amine oxide, betaine, or quaternary ammonium compound, from turning pink when exposed to acidic conditions by contacting it with an amido compound containing a --CO.NH-- group.

REFERENCES:
patent: 3742059 (1973-06-01), Dowd
patent: 3922306 (1975-11-01), Takaku et al.
patent: 4347382 (1982-08-01), Tuvell
patent: 4601108 (1986-07-01), McKinnie
patent: 4766247 (1988-08-01), Ford et al.

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