Patent US3083204A successfully refreshed from Google Patents.
US3083204A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Esters and amides of 2-phenyl-bicyclo-(2, 2, 1) heptane-2-carboxylic acid, 2-phenyl-bcyclo(2, 2, 1)-5-heptene-2-carboxylic acid, 2-phenyl-bicyclo(2, 2, 2)-5-octene-2-carboxylic acid and 2-phenyl-bicyclo(2, 2, 2)octane carboxylic acid
Assignee: Abbott GmbH and Co KG
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Filing: 1957-06-10
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Granted: 1963-03-26
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Expires: 1977-06-10
Abstract
No abstract record available.
Inventors
- 👤 Klavehn Wilfrid
- 👤 Kraft Helmut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:39
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/08; C07D295/084; C07D295/088; C07D211/00; C07D211/04; C07D211/06; C07D211/36; C07D211/40; C07D211/44; C07D211/46; C07D451/00; C07D451/02; C07D451/04; C07D451/06; C07D451/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
8 words
THE 2-PHENYL BICYCLO (2,2,1) HEPTANE-2-CARBOXYLIC ACID TROPINOL ESTER.
Claim 2
Dependent Claim
11 words
IN A PROCESS OF PRODUCING CARBOXYLIC ACID COMPOUNDS OF THE FORMULA
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) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |