Claims
- 1. A reactive monoazo xylylene dyestuff of the formula ##STR37## wherein R is a naphthyl ring having an --OH substituent ortho to the --N.dbd.N group, and, except for the --OH substituent, the naphthyl ring is either unsubstituted naphthyl, naphthyl substituted with --SO.sub.3 H or naphthyl substituted with --SO.sub.3 H and with a member selected from the group consisting of ##STR38## said dyestuff being characterized by the reactivity of its phosphonic acid groups with active hydrogen of the hydroxy groups of cellulose textile so that the chromophore can be fixed to the textile by condensation reaction through the P atom to form a cellulose phosphonic acid ester.
- 2. Dyestuff of claim 1 wherein said dyestuff has the formula: ##STR39##
- 3. Dyestuff of claim 1 wherein said dyestuff has the formula: ##STR40##
- 4. Dyestuff of claim 1 wherein said dyestuff has the formula: ##STR41##
- 5. Dyestuff of claim 1 wherein said dyestuff has the formula: ##STR42##
- 6. Dyestuff of claim 1 wherein said dyestuff has the formula: ##STR43##
- 7. Dyestuff of claim 1 wherein said dyestuff has the formula: ##STR44##
CROSS REFERENCE TO RELATED APPLICATIONS
This is a continuation of our application Ser. No. 602,013 filed Aug. 5, 1975, which in turn is a division of our application Ser. No. 534,349 filed Dec. 18, 1974, which in turn is a continuation-in-part of our application Ser. No. 441,393 filed Feb. 11, 1974, which in turn is a continuation-in-part of our application Ser. No. 260,587 filed June 7, 1972, all of which are now abandoned.
US Referenced Citations (4)
Number |
Name |
Date |
Kind |
3232927 |
Randall et al. |
Feb 1966 |
|
3301846 |
Chiddix et al. |
Jan 1967 |
|
3339999 |
Wick |
Sep 1967 |
|
3947435 |
Pechmeze et al. |
Mar 1976 |
|
Divisions (1)
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Number |
Date |
Country |
Parent |
534349 |
Dec 1974 |
|
Continuations (1)
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Number |
Date |
Country |
Parent |
602013 |
Aug 1975 |
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Continuation in Parts (2)
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Number |
Date |
Country |
Parent |
441393 |
Feb 1974 |
|
Parent |
260587 |
Jun 1972 |
|