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Patent US3184470A successfully refreshed from Google Patents.
US3184470A
Expired / Lapsed
US
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New triazolidines
Assignee: Hoechst AG
•
Filing: 1961-07-18
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Granted: 1965-05-18
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Expires: 1981-07-18
Abstract
No abstract record available.
Inventors
- 👤 Ruschig Heinrich
- 👤 Schmitt Karl
- 👤 Ther Leopold
- 👤 Pfaff Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:16
CPC Classifications
C; C07; C07D; C07D271/00; C07D271/02; C07D271/10; C07D271/113; C07D249/00; C07D249/02; C07D249/08; C07D249/10; C07D249/12; C07D405/00; C07D405/02; C07D405/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
13 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF A COMPOUND OF THE FORMULA
References Cited (Backward Citations)
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Cited
US3133933A
Cited
US2909465A
Cited
US2763590A
Cited
US2764594A
Cited
GB778128A
Cited
GB806759A
Cited
US2800486A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-17 | 1968-11-16 | 1969-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-17 | 1972-11-16 | 1973-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-17 | 1976-11-16 | 1977-05-18 | $7700.00 | Window Closed / Lapsed |