Triazinyl vat dyestuffs
Abstract
Abstract A-NH-X(-Z)-Y-R OR A RADICAL -Y-A'', WHEREIN Y HAS THE ABOVE-MENTIONED SIGNIFICANCE AND A'' REPRESENTS A VATTABLE RESIDUE WHICH ARE VALUABLE DYESTUFFS FOR VAT AND PIGMENT DYEING, THE DYEINGS OBTAINED ARE DISTINGUISHED BY VERY GOOD SHADES, INTERESTING APPLICATION PROPERTIES AND VERY GOOD PROPERTIES OF WET FASTNESS AND FASTNESS TO LIGHT. -NH-A'' WHEREIN A DENOTES A VATTABLE RADICAL, X DENOTES A HETEROCYCLIC RADICAL HAVING THREE RING NITROGEN ATOMS WHICH IS BOUNDED TO THE -NH- GROUP BY A RING CARBON ATOM. Y DENOTES AN OXYGEN OR SULPHUR ATOM, R DENOTES AN AROMATIC RADICAL FREE FROM AZO GROUPS WHICH IS BOUNDED TO THE OXYGEN OR SULPHUR ATOM Y BY A CARBON ATOM OF THE AROMATIC NUCLEUS, WHICH, WHEN R REPRESENTS A HETEROCYCLIC AROMATIC RADICAL IS AN AT LEAST 6-MEMBERED HETEROCYCLIC AROMATIC RADICAL, AND Z DENOTES A RADICAL THE INVENTION RELATES TO VAT DYESTUFF OF THE GENERAL FORMULA
Inventors
- 👤 F Kugler
- 👤 M Jost
- 👤 P Ulrich
- 👤 M Staeuble
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-01-21 | 1977-07-23 | 1978-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-21 | 1981-07-23 | 1982-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-21 | 1985-07-23 | 1986-01-22 | $7700.00 | Window Closed / Lapsed |