Patent US3340268A successfully refreshed from Google Patents.
US3340268A
Expired / Lapsed
US
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1-[piperidyl]-2, 2-di(monocyclic hexacyclic aryl)-cyclopropane
Assignee: BASF Corp
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Filing: 1964-02-26
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Granted: 1967-09-05
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Expires: 1984-02-26
Abstract
No abstract record available.
Inventors
- 👤 Mizzoni Renat Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:30
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/06; C07D213/16; C07D211/00; C07D211/04; C07D211/06; C07D211/08; C07D211/10; C07D211/12; C07D211/14; C07D213/20
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
13 words
A MEMBER SELECTED FROM THE GROUP CONSISTING OF A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
13 words
A MEMBER SELECTED FROM THE GROUP CONSISTING OF A COMPOUND OF THE FORMULA
Claim 3
Dependent Claim
18 words
A MEMBER SELECTED FROM THE GROUP CONSISTING OF 2(4-PIPERIDYL)-SPIRO(CYCLOPROPANE-1,9''-FLUORENE), AND A NON-TOXIC PHARMACEUTICALLY ACCEPTABLE ACID ADDITION SALT THEREOF.
Claim 4
Dependent Claim
18 words
A MEMBER SELECTED FROM THE GROUP CONSISTING OF 2(4-PIPERIDYL)-SPIRO(CYCLOPROPANE-1,9''-FLUORENE), AND A NON-TOXIC PHARMACEUTICALLY ACCEPTABLE ACID ADDITION SALT THEREOF.
References Cited (Backward Citations)
US3126411A
Cited
US2404219A
Cited
US2647896A
Cited
GB872943A
Cited
GB948730A
Cited
US3055888A
Cited
US2985660A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |