Claims
- 1. A disazo pigment of the formula ##SPC4##
- characterized by a specific surface of 12-30 m.sup.2 /g, a maximum of the grain size distribution of between 250 and 500 nm and a proportion of these grain sizes in the total distribution of 35-65 percent.
Priority Claims (1)
Number |
Date |
Country |
Kind |
2302482 |
Jan 1973 |
DT |
|
Parent Case Info
This is a continuation, of application Ser. No. 434,038, filed Jan. 17, 1974, and now abandoned.
US Referenced Citations (4)
Number |
Name |
Date |
Kind |
3124565 |
Schilling et al. |
Mar 1964 |
|
3127412 |
Gaertner et al. |
Mar 1964 |
|
3137686 |
Dietz et al. |
Jun 1964 |
|
3567707 |
Neave et al. |
Mar 1971 |
|
Foreign Referenced Citations (1)
Number |
Date |
Country |
236,856 |
Sep 1910 |
DD |
Non-Patent Literature Citations (3)
Entry |
Colour Index, Third Ed., vol. 3, 1971, p. 3295. |
Colour Index, Third Ed., vol. 4, 1971, p. 4155. |
Wincke, Farbe Undlack, vol. 75, 1969, pp. 632-637. |
Continuations (1)
|
Number |
Date |
Country |
Parent |
434038 |
Jan 1974 |
|