US2516002A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Halogenated derivatives of lysergic
Assignee: —
•
Filing: —
•
Granted: 1950-07-18
•
Expires: 1967-07-18
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:04
CPC Classifications
C; C07; C07D; C07D457/00; C07D457/04; C07D457/06; C07D457/08; C07D487/00; C07D487/02; C07D487/04
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
80 words
A PROCESS FOR THE MANUFACTURE OF HALOGENATED DERIVATIVE OF A COMPOUND OF THE LYSERGIC ACID SERIES WHEREIN THE HALOGEN ATOM IS BOUND TO THE NITROGEN ATOM OF THE INDOL RING AND THE LYSERIC ACID SKELETON IS OTHERWISE UNALTERED, WHICH COMPRISES TREATING A COMPOUND OF THE LYSERGIC ACID SERIES WHEREIN THE LYSERIC ACID SKELETON IS UNALTERE, WITH A HALOGEN COMPOUND SELECTED FROM THE GROUP CONSISTING OF N-HALOGENATED AMIDES AND IMIDES OF CARBOCYLIC AND SULFONIC ACIDS IN AN INERT SOLVENT REACTION MEDIUM.
Claim 2
Dependent Claim
80 words
A PROCESS FOR THE MANUFACTURE OF HALOGENATED DERIVATIVE OF A COMPOUND OF THE LYSERGIC ACID SERIES WHEREIN THE HALOGEN ATOM IS BOUND TO THE NITROGEN ATOM OF THE INDOL RING AND THE LYSERIC ACID SKELETON IS OTHERWISE UNALTERED, WHICH COMPRISES TREATING A COMPOUND OF THE LYSERGIC ACID SERIES WHEREIN THE LYSERIC ACID SKELETON IS UNALTERE, WITH A HALOGEN COMPOUND SELECTED FROM THE GROUP CONSISTING OF N-HALOGENATED AMIDES AND IMIDES OF CARBOCYLIC AND SULFONIC ACIDS IN AN INERT SOLVENT REACTION MEDIUM.
Claim 3
Dependent Claim
30 words
A HALOGENATED COMPOUND OF THE LYSERGIC ACID SERIES WHEREIN THE HALOGEN ATOM IS BOUND TO THE NITROGEN ATOM OF THE INDOL RING AND THE LYSERGIC ACID SKELTON IS OTHERWISE UNALTERED.
Claim 4
Dependent Claim
30 words
A HALOGENATED COMPOUND OF THE LYSERGIC ACID SERIES WHEREIN THE HALOGEN ATOM IS BOUND TO THE NITROGEN ATOM OF THE INDOL RING AND THE LYSERGIC ACID SKELTON IS OTHERWISE UNALTERED.
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) | 1953-07-17 | 1954-01-16 | 1954-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-17 | 1958-01-16 | 1958-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-17 | 1962-01-16 | 1962-07-18 | $7700.00 | Window Closed / Lapsed |