Claims
- 1. The sulfonated disazo dyestuff of the formula: ##STR3##
Priority Claims (1)
Number |
Date |
Country |
Kind |
19963 A/74 |
Jan 1974 |
ITX |
|
CROSS REFERENCE TO RELATED APPLICATIONS:
This is a continuation of application Ser. No. 828,310, filed Aug. 29, 1977, which is in turn a continuation of application Ser. No. 702,871, filed July 6, 1976, which is in turn a continuation of application Ser. No. 542,938, filed Jan. 22, 1975 all now abandoned.
US Referenced Citations (3)
Number |
Name |
Date |
Kind |
936367 |
Schedler |
Jul 1909 |
|
2571990 |
Stratton |
Oct 1951 |
|
3467645 |
Keller et al. |
Sep 1969 |
|
Foreign Referenced Citations (1)
Number |
Date |
Country |
957336 |
May 1961 |
GBX |
Non-Patent Literature Citations (2)
Entry |
Szadowski et al., "Chem. Abs.," 79, No. 4, 7/30/73, No. 20278f. |
"Chem. Abs.," 79, Formula Index, C.sub.33 H.sub.28 N.sub.10 O.sub.9 S.sub.2, 1973. |
Continuations (3)
|
Number |
Date |
Country |
Parent |
828310 |
Aug 1977 |
|
Parent |
702871 |
Jul 1976 |
|
Parent |
542938 |
Jan 1975 |
|