US2595405A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Their production
Assignee: —
•
Filing: —
•
Granted: 1952-05-06
•
Expires: 1969-05-06
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:50
CPC Classifications
C; C07; C07D; C07D451/00; C07D451/02; C07D451/04; C07D451/06; C07D451/10
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
51 words
IN A PROCESS FOR PREPARING A COMPOUND SELECTED FROM THE GROUP WHICH CONSISTS OF BENZOHYDRYL ETHERS OF TROPINE, BENZOHYDRYL ETHERS OF PSEUDOTROPINE, AND THEIR SALTS, THE STEP THAT COMPRISES REACTING TOGETHER IN AN INERT ORGANIC SOLVENT DIPHENYL DIAZOMETHANE AND AN AMINO ALCOHOL SELECTED FROM THE GROUP CONSISTING OF TROPINE AND PSEUDOTROPINE.
Claim 2
Dependent Claim
51 words
IN A PROCESS FOR PREPARING A COMPOUND SELECTED FROM THE GROUP WHICH CONSISTS OF BENZOHYDRYL ETHERS OF TROPINE, BENZOHYDRYL ETHERS OF PSEUDOTROPINE, AND THEIR SALTS, THE STEP THAT COMPRISES REACTING TOGETHER IN AN INERT ORGANIC SOLVENT DIPHENYL DIAZOMETHANE AND AN AMINO ALCOHOL SELECTED FROM THE GROUP CONSISTING OF TROPINE AND PSEUDOTROPINE.
Claim 3
Dependent Claim
20 words
A COMPOUND SELECTED FROM THE GROUP WHICH CONSISTS OF BENZOHYDRYL ETHERS OF TROPINEM BENZOHYDRYL ETHERS OF PSEUDOTROPINE, AND THEIR SALTS.
Claim 4
Dependent Claim
20 words
A COMPOUND SELECTED FROM THE GROUP WHICH CONSISTS OF BENZOHYDRYL ETHERS OF TROPINEM BENZOHYDRYL ETHERS OF PSEUDOTROPINE, AND THEIR SALTS.
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) | 1955-05-06 | 1955-11-05 | 1956-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-06 | 1959-11-05 | 1960-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-06 | 1963-11-05 | 1964-05-06 | $7700.00 | Window Closed / Lapsed |