US3101367A
Expired / Lapsed
US
⏱️ 0.0 years remaining
alpha-amino-beta-hydroxycarboxylic acid amides
Assignee: Hoechst AG
•
Filing: 1959-08-04
•
Granted: 1963-08-20
•
Expires: 1979-08-04
Abstract
No abstract record available.
Inventors
- 👤 Ehrhart Gustav
- 👤 Hennig Ingeborg
- 👤 Schmitt Karl
- 👤 Lindner Ernst
- 👤 Ott Heinrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:39
CPC Classifications
C; C07; C07D; C07D231/00; C07D231/02; C07D231/10; C07D231/14; C07D231/44; C07D231/46; C07D231/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALPHA-AMINO-BETA-HYDROXY-CARBOXYLIC ACID AMIDES OF THE FORMULA
Claim 2
Dependent Claim
14 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALPHA-AMINO-BETA-HYDROXY-CARBOXYLIC ACID AMIDES OF THE FORMULA
References Cited (Backward Citations)
US2017537A
Cited
US2446651A
Cited
US2548863A
Cited
US2601387A
Cited
DE801454C
Cited
US2851494A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-08-19 | 1967-02-18 | 1967-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-19 | 1971-02-18 | 1971-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-19 | 1975-02-18 | 1975-08-20 | $7700.00 | Window Closed / Lapsed |