Patent US1647228A successfully refreshed from Google Patents.
Patent US3125564A successfully refreshed from Google Patents.
US3125564A
Expired / Lapsed
US
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Table
Assignee: —
•
Filing: —
•
Granted: 1964-03-17
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Expires: 1981-03-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:07
CPC Classifications
C; C09; C09B; C09B62/00; C09B62/02; C09B62/04; C09B67/00; C09B67/0071; C09B67/0072; D; D06; D06P; D06P1/00; D06P1/38; D06P1/382
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
SOLID DYESTUFF COMPOSITONS CONTAINING AS THE PRINCIPAL COLORING MATTER THE SUBSTANTIALY NEUTRAL ALKALI METAL SALT OF A DYESTUFF SELECTED FROM THE CLASS CONSISTING OF AZO AND ANTHRAQUINONE DYESTUFFS CONTAINING AT LEAST ON EIONOGENIC SOLUBILIZING GROUP AND AN AMINO GROUP SELECTED FROM THE CLASS CONSISTING O FPRIMARY AND SECONDARY AMINO GROUPS CARRYING AS N-SUBSTITUENTS A 1:3:5-TRIAZINE RADICAL CONTAINING TWO HALOGENS, SELECTED FROM THE GROUP CONSISTING OF CHLORINE AND BROMINE ATOMS ATTACHED TO THE CARBON ATOMS OF SAID TRIAZINE RING, AND A STABILIZER FOR SAID DYESTUFF CONSISTING ESSENTIALLY OF A MIXTUR OF WATERSOLUBLE ALKALI METAL SALTS OF PHOSPHORIC ACID, WHICH MIXTURE HAS AN AQUEOUS SOLUTON A PH OF FROM 6 TO 8, WHEREIN SAID ALKALI METAL IS SELECTED FROMTHE GROUP CONSISTING OF SODIUM AND POTASSIUM.
Claim 2
Dependent Claim
123 words
SOLID DYESTUFF COMPOSITONS CONTAINING AS THE PRINCIPAL COLORING MATTER THE SUBSTANTIALY NEUTRAL ALKALI METAL SALT OF A DYESTUFF SELECTED FROM THE CLASS CONSISTING OF AZO AND ANTHRAQUINONE DYESTUFFS CONTAINING AT LEAST ON EIONOGENIC SOLUBILIZING GROUP AND AN AMINO GROUP SELECTED FROM THE CLASS CONSISTING O FPRIMARY AND SECONDARY AMINO GROUPS CARRYING AS N-SUBSTITUENTS A 1:3:5-TRIAZINE RADICAL CONTAINING TWO HALOGENS, SELECTED FROM THE GROUP CONSISTING OF CHLORINE AND BROMINE ATOMS ATTACHED TO THE CARBON ATOMS OF SAID TRIAZINE RING, AND A STABILIZER FOR SAID DYESTUFF CONSISTING ESSENTIALLY OF A MIXTUR OF WATERSOLUBLE ALKALI METAL SALTS OF PHOSPHORIC ACID, WHICH MIXTURE HAS AN AQUEOUS SOLUTON A PH OF FROM 6 TO 8, WHEREIN SAID ALKALI METAL IS SELECTED FROMTHE GROUP CONSISTING OF SODIUM AND POTASSIUM.
References Cited (Backward Citations)
US2167804A
Cited
US2361301A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-17 | 1967-09-16 | 1968-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-17 | 1971-09-16 | 1972-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-17 | 1975-09-16 | 1976-03-17 | $7700.00 | Window Closed / Lapsed |