Coloring agent and a composition including the same for coloring

Details Coloring agent and a composition including the same for coloring Coloring agent and a composition including the same for coloring

1978-06-27

1980-08-19

Turner, V. D.

Drug, bio-affecting and body treating compositions

Identification or warning feature

Taste or smell or chemical irritation to the eye, nose, or...

252522A, 252106, 252522R, 252542, 424 78, 542444, A01N 1700, C09B 6900

Patent

active

042184320

ABSTRACT:
A coloring agent which can be substantially completely decolored either through a treatment by a low concentration of chlorine type decoloring agents such as chlorine and hypochlorite or through a biological treatment usually employed in sewage treatments. The coloring agent is a certain group of polymethlyne compounds having at both the ends of the polymethyne chain pyrazolone structures. A composition comprising at least one of the coloring agents and additives in solution or solid form suitably used for coloring toilet bowl flushing water.

REFERENCES:
patent: 2533206 (1950-12-01), Dent et al.
patent: 2840443 (1958-06-01), Smith
patent: 3785769 (1974-01-01), Renfrew
patent: 3865817 (1975-02-01), Kobayashi et al.
patent: 3970576 (1976-07-01), Carmello et al.

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