US3160662A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lower alkylaminoacyl amide anesthetics
Assignee: AstraZeneca AB
•
Filing: 1958-06-24
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Granted: 1964-12-08
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Expires: 1978-06-24
Abstract
No abstract record available.
Inventors
- 👤 Lofgren Nils Magnus
- 👤 Tegner Claes Philip
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:48
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/21; A61K31/215; A61K31/235; A61K31/24; C; C07; C07C; C07C237/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
30 words
A SUBSTANCE OF THE CLASS CONSISTING OF ALPHA-(LOWER)MONOALKYLAMINOPROPIONYL - ORTHO - TOLUIDIDE WHEREIN THE ALKYL GROUP HAS THREE CARBON ATOMS AND A PHARMACEUTICALLY ACCEPTABLE ACID ADDITION SALT OF SAID TOLUIDIDE.
Claim 2
Dependent Claim
30 words
A SUBSTANCE OF THE CLASS CONSISTING OF ALPHA-(LOWER)MONOALKYLAMINOPROPIONYL - ORTHO - TOLUIDIDE WHEREIN THE ALKYL GROUP HAS THREE CARBON ATOMS AND A PHARMACEUTICALLY ACCEPTABLE ACID ADDITION SALT OF SAID TOLUIDIDE.
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) | 1967-12-08 | 1968-06-08 | 1968-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-08 | 1972-06-08 | 1972-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-08 | 1976-06-08 | 1976-12-08 | $7700.00 | Window Closed / Lapsed |