Method of introducing dyes to ethanol

Details Method of introducing dyes to ethanol Method of introducing dyes to ethanol

1994-10-28

1996-04-02

Higel, Floyd D.

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

Organic compounds

Azo

8611, 534649, 534650, 534651, 552238, 44600, 208 12, C09B 6738, C09B 6740, C09B 6744, D06P 118, D06P 190

Patent

active

055041990

ABSTRACT:
A dye which is either 2-naphthalenol (phenylazo) phenyl azo alkyl derivatives and 1,4-dialkylamino anthraquinone is added to sufficient non-ionic surfactant to compatibilize it with ethanol and an solvent to produce a homogeneous solution. The homogeneous solution is added to ethanol in an amount to provide a desired amount of coloration to the ethanol.

REFERENCES:
patent: 2124590 (1938-07-01), Reed
patent: 2564225 (1951-08-01), Mayers
patent: 3330819 (1967-07-01), Neave
patent: 3862120 (1975-01-01), Orelup
patent: 3910875 (1975-10-01), Rieper et al.
patent: 4056367 (1977-11-01), Arsac et al.
patent: 4617381 (1986-10-01), Hinson et al.
patent: 4737581 (1988-04-01), Hari
patent: 4886517 (1989-12-01), Bugaut et al.

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