US3123595A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cihzc-cichxhzcxen-o c
Assignee: —
•
Filing: —
•
Granted: 1964-03-03
•
Expires: 1981-03-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:17
CPC Classifications
C; C09; C09B; C09B62/00; C09B62/44; C09B62/443; C09B62/447; C09B62/45
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
WATER-SOLUBLE REACTIVE DYESTUFF CONSISTING ESSENTIALLY OF (1) A DYESTUFF GROUPING SELECTED FROM THE CLASS CONSISTING OF (A) UNMETALLIZED MONOAZO DYESTUFF GROUPING SELECTED FROM THE CLASS CONSISTING OF (I) BENZENE-AZO-BENZENE GROUPINGS, (II) BENZENE-AZO-NAPHTHALENE GROUPINGS, (I.I) BENZENE-AZO-5-PYRAZOLONE GROUPINGS, AND (IV) NAPHTHALENE-AZO-NAPHTHALENE GROUPINGS; (B) CHROMIUM, COPPER, COBALT AND NICKEL COMPLEXES, OF (A); (C) 1-AMINO-2-SULFO-4-PHENYLAMINO-ANTHRAQUINONE GROUPINGS; AND (D) COPPER PHTHALOCYANINE SULFONIC ACID GROUPINGS; (2) AS SOLE REACTIVE GROUPING, A
Claim 2
Dependent Claim
65 words
WATER-SOLUBLE REACTIVE DYESTUFF CONSISTING ESSENTIALLY OF (1) A DYESTUFF GROUPING SELECTED FROM THE CLASS CONSISTING OF (A) UNMETALLIZED MONOAZO DYESTUFF GROUPING SELECTED FROM THE CLASS CONSISTING OF (I) BENZENE-AZO-BENZENE GROUPINGS, (II) BENZENE-AZO-NAPHTHALENE GROUPINGS, (I.I) BENZENE-AZO-5-PYRAZOLONE GROUPINGS, AND (IV) NAPHTHALENE-AZO-NAPHTHALENE GROUPINGS; (B) CHROMIUM, COPPER, COBALT AND NICKEL COMPLEXES, OF (A); (C) 1-AMINO-2-SULFO-4-PHENYLAMINO-ANTHRAQUINONE GROUPINGS; AND (D) COPPER PHTHALOCYANINE SULFONIC ACID GROUPINGS; (2) AS SOLE REACTIVE GROUPING, A
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-03 | 1967-09-02 | 1968-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-03 | 1971-09-02 | 1972-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-03 | 1975-09-02 | 1976-03-03 | $7700.00 | Window Closed / Lapsed |