Patent US2943085A successfully refreshed from Google Patents.
US2943085A
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Complex metal compounds of monoazo triazine dyestuffs
Assignee: BASF Schweiz AG
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Filing: 1958-10-06
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Granted: 1960-06-28
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Expires: 1978-10-06
Abstract
No abstract record available.
Inventors
- 👤 Oesterlein Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:00
CPC Classifications
C; C09; C09B; C09B62/00; C09B62/02; C09B62/04; C09B62/08; C09B62/095; C09B45/00; C09B45/02; C09B45/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A COMPLEX HEAVY METAL COMPOUND SELECTED FROM THE GROUP CONSISTING OF CHROMIUM AND COBALT COMPLEXES, ONE ATOM OF THE METAL OF WHICH IS BOUND IN COMPLEX UNION WITH TWO MOLECULES OF MONOAZO-DYESTUFF, AND NICKEL AND COPPER COMPLEXES, ONE ATOM OF THE METAL OF WHICH IS BOUND IN COMPLEX UNION WITH ONE MOLECULE OF MONOAZO DYESTUFF, THE SAID MONOAZO DYESTUFF CORRESPONDING TO THE FORMULA
Claim 2
Dependent Claim
63 words
A COMPLEX HEAVY METAL COMPOUND SELECTED FROM THE GROUP CONSISTING OF CHROMIUM AND COBALT COMPLEXES, ONE ATOM OF THE METAL OF WHICH IS BOUND IN COMPLEX UNION WITH TWO MOLECULES OF MONOAZO-DYESTUFF, AND NICKEL AND COPPER COMPLEXES, ONE ATOM OF THE METAL OF WHICH IS BOUND IN COMPLEX UNION WITH ONE MOLECULE OF MONOAZO DYESTUFF, THE SAID MONOAZO DYESTUFF CORRESPONDING TO THE FORMULA
References Cited (Backward Citations)
US2270478A
Cited
US2273115A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-28 | 1963-12-28 | 1964-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-28 | 1967-12-28 | 1968-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-28 | 1971-12-28 | 1972-06-28 | $7700.00 | Window Closed / Lapsed |