US3185705A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-phenyl-5, 5-di-esters and di-amides of 2-pyrroline and the corresponding pyrrolidines
Assignee: Novartis Corp
•
Filing: 1963-04-24
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Granted: 1965-05-25
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Expires: 1983-04-24
Abstract
No abstract record available.
Inventors
- 👤 Leonard Frederick
- 👤 Gruenfeld Norbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 00:53
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/18; C07D207/22; C07D207/04; C07D207/10; C07D207/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
A COMPOUND OF THE CLASS CONSISTING OF A SUBSTITUTTED HETEROCYCLIC BASE AND ITS NON-TOXIC, PHARMACEUTICALLY ACCEPTABLE ACID ADDITION SALTS, SAID BASE BEING SELECTED FROM THE GROUP CONSISTING OF DERIVATIVES OF PYRROLINE AND PYRROLIDINE OF THE FORMULAE:
Claim 2
Dependent Claim
36 words
A COMPOUND OF THE CLASS CONSISTING OF A SUBSTITUTTED HETEROCYCLIC BASE AND ITS NON-TOXIC, PHARMACEUTICALLY ACCEPTABLE ACID ADDITION SALTS, SAID BASE BEING SELECTED FROM THE GROUP CONSISTING OF DERIVATIVES OF PYRROLINE AND PYRROLIDINE OF THE FORMULAE:
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) | 1968-05-24 | 1968-11-23 | 1969-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-24 | 1972-11-23 | 1973-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-24 | 1976-11-23 | 1977-05-25 | $7700.00 | Window Closed / Lapsed |