US2890979A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Procaine-2-pyrrolidone-5-carboxylate
Assignee: Procosol Chemical Co Inc
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Filing: 1958-01-16
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Granted: 1959-06-16
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Expires: 1978-01-16
Abstract
No abstract record available.
Inventors
- 👤 Korner John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:07
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/18; C07D207/22; C07D207/24; C07D207/26; C07D207/273; C07D207/277; C07D207/28
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
10 words
A LOCAL ANESTHETIC COMPOSITION COMPRISING AS AN ACTIVE INGREDIENT PROCAINE-2-PYRROLIDONE-5-CARBOXYLATE.
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) | 1962-06-15 | 1962-12-15 | 1963-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-15 | 1966-12-15 | 1967-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-15 | 1970-12-15 | 1971-06-16 | $7700.00 | Window Closed / Lapsed |