Chlorine-containing disaza pigments

Details Chlorine-containing disaza pigments Chlorine-containing disaza pigments

1974-12-09

1978-07-11

Wyman, Daniel E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

106 23, 106288Q, 106193P, 260 37R, 260 37N, 260 37NP, 260 37P, 260 37PC, 260 39P, 260 39SB, 260 4221, 260177, 260184, 260187, 260188, C09B 3112, C09B 3304, C09B 3506, C09B 4300

Patent

active

041001567

ABSTRACT:
Disazo pigments of the formula ##STR1## wherein X represents hydrogen or chlorine and Y represents hydrogen or methyl, with X representing chlorine if Y represents hydrogen and X representing hydrogen if Y represents methyl are prepared. The compounds may be used for pigmenting organic materials such as ethyl cellulose, polyesters, and polyvinyl chloride. The compounds have outstanding fastness to light and migration, and good resistance to heat.

REFERENCES:
patent: 1183378 (1916-05-01), Heidenreich
patent: 1819103 (1931-08-01), Laska et al.
patent: 1915461 (1933-06-01), Zitscher
patent: 1944539 (1934-01-01), Zitscher et al.
patent: 2741656 (1956-04-01), Schmid
patent: 3562249 (1971-02-01), Schnabel et al.

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