US2944078A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Derivatives of dibenzo cycloheptadiene and a process of preparing same
Assignee: Sanofi Aventis France
•
Filing: 1958-06-24
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Granted: 1960-07-05
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Expires: 1978-06-24
Abstract
No abstract record available.
Inventors
- 👤 Vaterlaus Bruno
- 👤 Furlenmeier Andre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:03
CPC Classifications
C; C07; C07C; C07C65/00; C07C65/21; C07C65/24; C07C65/26; A; A01; A01N; A01N45/00; A01N45/02
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
8 words
THE METHYL ESTER OF 12,13,14-TRIMETHOXY-9-METHYL THIO-4,5-6,7-DIBENZO CYCLOHEPTADIENE-8-CARBOXYLIC ACID.
Claim 2
Dependent Claim
8 words
THE METHYL ESTER OF 12,13,14-TRIMETHOXY-9-METHYL THIO-4,5-6,7-DIBENZO CYCLOHEPTADIENE-8-CARBOXYLIC ACID.
Claim 3
Dependent Claim
7 words
THE METHYL ESTER OF 12,13,14-TRIMETHOXY-4,5-6,7-DIBENZO CYCLOHEPTADIENE-8-CARBOXYLIC ACID.
Claim 4
Dependent Claim
7 words
THE METHYL ESTER OF 12,13,14-TRIMETHOXY-4,5-6,7-DIBENZO CYCLOHEPTADIENE-8-CARBOXYLIC ACID.
Claim 5
Dependent Claim
6 words
THE IODO METHYLATE OF N-DESACETY-N,N-DIMETHYL THIOCOLCHICINE.
Claim 6
Dependent Claim
6 words
THE IODO METHYLATE OF N-DESACETY-N,N-DIMETHYL THIOCOLCHICINE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-05 | 1964-01-04 | 1964-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-05 | 1968-01-04 | 1968-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-05 | 1972-01-04 | 1972-07-05 | $7700.00 | Window Closed / Lapsed |