Claims
- 1. A dye salt of the formula
- F.(A).sub.n,
- or a mixture of such salts, wherein
- F is the anion of an anionic azo dye,
- A is a cation containing one 2,2,6,6-tetramethylpiperidinum-4 group, one, two or three 2,2,6,6-tetramethylpiperidyl-4groups and at least one aliphatic, cycloaliphatic or carbonyl-subtituted aromatic group, and
- n is 1, 2, 3 or 4.
- 2. A dye salt according to claim 1.
- 3. A dye salt according to claim 2 wherein n is 1 or 2.
- 4. A dye salt according to claim 3 wherein n is 1.
- 5. A dye salt according to claim 2 wherein F is the anion of an anionic metallized azo dye free of sulfo groups.
- 6. A dye salt according to claim 5 wherein n is 1 or 2.
- 7. A dye salt according to claim 6 wherein n is 1.
- 8. A dye salt of the formula
- F.(A).sub.n,
- or a mixture of such salts, wherein
- F is the anion of an anionic azo dye,
- A is a cation derived from 2,4-bis-(2',2',6',6'-tetramethylpiperidyl-4'-amino)-6-chlorotriazine, 2,4,6-tri-(2,',2',6',6'-tetramethylpiperidyl-4'-amino)triazine, bis-(2',2',6',6'-tetramethylpiperidyl-4'-aminocarbonyl-para-phenylene)terephthalic acid diamide, bis-(2',2',6',6'-tetramethylpiperidyl-4'-)terephthalic acid diamide, 2,4-bis-(2',2',6',6'-tetramethylpiperidyl-4'-amino)quinazoline, 2,3-bis-(2',2',6',6'-tetramethylpiperidyl-4'-amino)quinazoline, 1,4-bis-(2,',2',6',6'-tetramethylpiperidyl-4'-amino)phthalazine, 2-chloro-4,6-bis-2', 2', 6', 6'-tetramethylpiperidyl-4'-amino)pyrimidine, 2,5-dichloro-4,6-bis-(2',2',6',6'-tetramethylipiperidyl-4'-amino)pyrimidine, 2-fluoro-5-chloro-4,6-bis-(2',2',6',6'-tetramethylpiperidyl-4'-amino)pyrimidine, 2,4,6-tri-(2',2',6',6'-tetramethylpoperidyl-4'-amino)pyrimidine, 2,4,6-tri-(2',2',6',6'-tetramethylpiperidyl-4'-amino)-5-chloropyrimidine, ##STR8## wherein each R.sub.1 is ##STR9## and n is 1, 2, 3 or 4.
- 9. A dye salt according to claim 8.
- 10. A dye salt according to claim 9 wherein n is 1 or 2.
- 11. A dye salt according to claim 10 wherein n is 1 or 2.
- 12. A dye salt according to claim 9 wherein F is the anion of an anionic metallized azo dye free of sulfo groups.
- 13. A dye salt according to claim 12 wherein n is 1 or 2.
- 14. A dye salt according to claim 13 wherein n is 1.
- 15. The dye salt according to claim 12 having the formula ##STR10##
Priority Claims (1)
Number |
Date |
Country |
Kind |
3821981 |
Jun 1988 |
DEX |
|
Parent Case Info
This is a division of application Ser. No. 07/374,511, filed Jun. 30, 1989, now U.S. Pat. No. 5,037,448 issued Aug. 6, 1991.
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Divisions (1)
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Number |
Date |
Country |
Parent |
374511 |
Jun 1989 |
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