US3288776A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metallized monoazo dyestuffs containing a polyhalogenopyrimidyl radical
Assignee: Sandoz AG
•
Filing: 1963-07-01
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Granted: 1966-11-29
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Expires: 1983-07-01
Abstract
No abstract record available.
Inventors
- 👤 Benz Jakob
- 👤 Uehlinger Hanspeter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 17:20
CPC Classifications
C; C09; C09B; C09B62/00; C09B62/002; C09B62/006; C09B62/012; C09B62/02; C09B62/022; C09B62/026; C09B62/032; C09B62/04; C09B62/08; C09B62/095; C09B62/20; C09B62/24; C09B62/255; C09B62/44; C09B62/465; C09B62/47; C09B62/473; C09B62/477
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
21 words
A MEMBER SELECTED FROM THE GROUP CONSISTING OF THE 1:2-CHROMINUM AND THE 1:2-COBALT COMPLEX COMPOUNDS OF THE DYESTUFF OF THE FORMULA
Claim 2
Dependent Claim
21 words
A MEMBER SELECTED FROM THE GROUP CONSISTING OF THE 1:2-CHROMINUM AND THE 1:2-COBALT COMPLEX COMPOUNDS OF THE DYESTUFF OF THE FORMULA
References Cited (Backward Citations)
US3125564A
Cited
US1667312A
Cited
US1886480A
Cited
BE569115A
Cited
FR1221621A
Cited
FR1225281A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |