Claims
- 1. A salt of the formula ##SPC35##
- or a mixture thereof,
- wherein each R' is independently --SO.sub.3 .sup.-M.sup.+ or --SO.sub.3 .sup.-N.sup.+(R).sub.4,
- wherein each M.sup.+ is independently hydrogen, lithium, sodium, potassium or ammonium, and
- each R is independently alkyl of 1 to 6 carbon atoms or alkyl of 1 to 6 carbon atoms monosubstituted by hydroxy, cyano, chloro, bromo or phenyl,
- with the proviso that at least one R' per molecule is --SO.sub.3 .sup.-N.sup.+(R).sub.4.
- 2. A salt according to claim 1.
- 3. The salt according to claim 2 having the formula ##SPC36##
- wherein each Y.sup.+ is ##EQU2##
- 4. A salt according to claim 1 having the formula ##SPC37##
- or a mixture thereof,
- wherein each R.sub.1 is --SO.sub.3 .sup.-M.sub.1 .sup.+,
- wherein each M.sub.1 .sup.+ is independently hydrogen, sodium, potassium, lithium, ammonium or tetramethylammonium,
- with the proviso that at least one R.sub.1 per molecule is --SO.sub.3 .sup.-N.sup.+(CH.sub.3).sub.4.
- 5. A salt according to claim 4.
- 6. A mixture of salts according to claim 4
- wherein each M.sub.1 .sup.+ is independently hydrogen or tetramethylammonium,
- with the proviso that at least one cation per molecule is tetramethylammonium.
- 7. A mixture of salts according to claim 6 having the formula ##SPC38##
- wherein each M.sub.13 .sup.+ is independently hydrogen or tetramethylammonium,
- with the proviso that at least one cation per molecule is tetramethylammonium.
- 8. A salt according to claim 4 having the formula ##SPC39##
- or a mixture thereof,
- wherein each Z.sup.+ is independently sodium, potassium, lithium, ammonium or tetramethylammonium,
- with the proviso that at least one Z.sup.+ per molecule is tetramethylammonium.
- 9. The salt according to claim 8 having the formula ##SPC40##
- wherein each X.sup.+ is N.sup.+(CH.sub.3).sub.4.
- 10. A mixture of salts according to claim 8 having the formula ##SPC41##
- wherein each M.sub.7 .sup.+ is independently sodium or tetramethylammonium, with the proviso that the ratio of sodium cations to tetramethylammonium cations is about 2.8 : 1.
- 11. A mixture of salts according to claim 8 having the formula ##SPC42##
- wherein each M.sub.4 .sup.+ is independently ammonium or tetramethylammonium,
- with the proviso that the ratio of ammonium cations to tetramethylammonium cations is about 1:4.8.
- 12. A mixture of salts according to claim 8 having the formula ##SPC43##
- wherein each M.sub.14 .sup.+ is independently (a) ammonium or tetramethylammonium, (b) lithium or tetramethylammonium or (c) potassium or tetramethylammonium,
- with the proviso that the ratio of ammonium, lithium or potassium cations to tetramethylammonium cations is about 0.75:1.
- 13. A salt of the formula ##SPC44##
- or a mixture thereof,
- wherein each M.sub.8 .sup.+ is independently ammonium or lithium, with the proviso that at least one M.sub.8 .sup.+ per molecule is ammonium.
- 14. A salt according to claim 13.
- 15. A mixture of salts according to claim 13.
- 16. A mixture of salts according to claim 15, wherein the ratio of ammonium cations to lithium cations is about 2:1.
- 17. A mixture of salts according to claim 15, wherein the ratio of ammonium cations to lithium cations is about 6:1.
- 18. A mixture of salts according to claim 15, wherein the ratio of ammonium cations to lithium cations is about 16:1.
- 19. A mixture of salts according to claim 15, wherein the ratio of ammonium cations to lithium cations is about 1:1.4.
Priority Claims (3)
Number |
Date |
Country |
Kind |
11699/72 |
Aug 1972 |
CH |
|
4042/72 |
Mar 1972 |
CH |
|
3477/72 |
Mar 1972 |
CH |
|
IMPROVEMENTS IN OR RELATING TO ORGANIC COMPOUNDS
This is a continuation-in-part of copending application Ser. No. 338,339, filed Mar. 5, 1973 and now abandoned and of copending application Ser. No. 338,321, filed Mar. 5, 1973 and now abandoned.
US Referenced Citations (7)
Foreign Referenced Citations (1)
Number |
Date |
Country |
1,114,944 |
May 1968 |
UK |
Non-Patent Literature Citations (1)
Entry |
Venkataraman, The Chemistry of Synthetic Dyes, Vol. 1, Academic Press Inc.: New York, 1952, pp. 628-631. |
Related Publications (1)
|
Number |
Date |
Country |
|
338321 |
Mar 1973 |
|
Continuation in Parts (1)
|
Number |
Date |
Country |
Parent |
338339 |
Mar 1973 |
|