US2796419A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lysergic acid, intermediates and preparation
Assignee: Eli Lilly and Co
•
Filing: 1954-09-27
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Granted: 1957-06-18
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Expires: 1974-09-27
Abstract
No abstract record available.
Inventors
- 👤 Edmund C Kornfeld
- 👤 Bruce Kline Granville
- 👤 Eugene J Fornefeld
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:03
CPC Classifications
C; C07; C07D; C07D209/00; C07D209/56; C07D209/80; C07D209/90
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
38 words
IN THE PROCESS OFF PREPARING A COMPOUND OF THE GROUP CONSISTING OF LYSERGIC ACID AND HOMOLOGUES THEREOF, THE STEP WHICH COMPRISES REACTING WITH A HALOGEN OF THE GROUP CONSISTING OF CHLORINE AND BROMINE, A COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
38 words
IN THE PROCESS OFF PREPARING A COMPOUND OF THE GROUP CONSISTING OF LYSERGIC ACID AND HOMOLOGUES THEREOF, THE STEP WHICH COMPRISES REACTING WITH A HALOGEN OF THE GROUP CONSISTING OF CHLORINE AND BROMINE, A COMPOUND HAVING THE FORMULA
Claim 3
Dependent Claim
16 words
A COMPOUND OF THE CLASS CONSISTING OF ACYL DERIVATIVES OF A BASE REPRESENTED BY THE FORMULA
Claim 4
Dependent Claim
16 words
A COMPOUND OF THE CLASS CONSISTING OF ACYL DERIVATIVES OF A BASE REPRESENTED BY THE FORMULA
Claim 5
Dependent Claim
22 words
A COMPOUND OF THE CLASS CONSISTING OF A BASE AND THE ACID ADDITION SALTS THEREOF, SAID BASE BEING REPRESENTED BY THE FORMULA
Claim 6
Dependent Claim
22 words
A COMPOUND OF THE CLASS CONSISTING OF A BASE AND THE ACID ADDITION SALTS THEREOF, SAID BASE BEING REPRESENTED BY THE FORMULA
Claim 7
Dependent Claim
22 words
A COMPOJND OF THE CLASS CONSISTING OF A BASE AND THE ACID ADDITION SALTS THEREOF, SAID BASE BEING REPRESENTED BY THE FORMULA
Claim 8
Dependent Claim
22 words
A COMPOJND OF THE CLASS CONSISTING OF A BASE AND THE ACID ADDITION SALTS THEREOF, SAID BASE BEING REPRESENTED BY THE FORMULA
Claim 9
Dependent Claim
22 words
A COMPOUND OF THE CLASS CONSISTING OF A BASE AND THE ACID ADDITION SALTS THEREOF, SAID BASE BEING REPRESENTED BY THE FORMULA
Claim 10
Dependent Claim
22 words
A COMPOUND OF THE CLASS CONSISTING OF A BASE AND THE ACID ADDITION SALTS THEREOF, SAID BASE BEING REPRESENTED BY THE FORMULA
Claim 11
Dependent Claim
28 words
A COMPOUND OF THE GROUP CONSISTING OF A BASE, NCARBOXYACYL DERIVATIVES OF SAID BASE, AND THE ACID ADDITION SALTS THEREOF, THE SAID BASE BEING REPRESENTED BY THE FORMULA
Claim 12
Dependent Claim
28 words
A COMPOUND OF THE GROUP CONSISTING OF A BASE, NCARBOXYACYL DERIVATIVES OF SAID BASE, AND THE ACID ADDITION SALTS THEREOF, THE SAID BASE BEING REPRESENTED BY THE FORMULA
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) | 1960-06-17 | 1960-12-17 | 1961-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-17 | 1964-12-17 | 1965-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-17 | 1968-12-17 | 1969-06-18 | $7700.00 | Window Closed / Lapsed |