US2606187A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-glycosido benzimidazoles and process for preparation
Assignee: Merck and Co Inc
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Filing: 1950-08-02
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Granted: 1952-08-05
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Expires: 1970-08-02
Abstract
No abstract record available.
Inventors
- 👤 Hoffman Dorothea Heyl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:37
CPC Classifications
C; C07; C07H; C07H19/00; C07H19/02; C07H19/04; C07H19/052
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
THE PROCESS FOR PREPARING A 1-GLYCOSIDOBENZIMIDAZOLE WHICH COMPRISES REACTING AN N-GLYCOSIDO-ORTHOPHENYLENEDIAMINE WITH CARBON DISULFIDE AND BARIUM HYDROXIDE, RECOVERING THE CORRESPONDING 1-GLYCOSIDO-2-MERCAPTOBENZIMIDAZOLE FROM THE RESULTING REACTION PRODUCT, AND REACTING SAID GLYCOSIDO MERCAPTOBENZIMIDAZOLE WITH RANEY NICKEL.
Claim 2
Dependent Claim
34 words
THE PROCESS FOR PREPARING A 1-GLYCOSIDOBENZIMIDAZOLE WHICH COMPRISES REACTING AN N-GLYCOSIDO-ORTHOPHENYLENEDIAMINE WITH CARBON DISULFIDE AND BARIUM HYDROXIDE, RECOVERING THE CORRESPONDING 1-GLYCOSIDO-2-MERCAPTOBENZIMIDAZOLE FROM THE RESULTING REACTION PRODUCT, AND REACTING SAID GLYCOSIDO MERCAPTOBENZIMIDAZOLE WITH RANEY NICKEL.
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) | 1955-08-05 | 1956-02-04 | 1956-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-05 | 1960-02-04 | 1960-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-05 | 1964-02-04 | 1964-08-05 | $7700.00 | Window Closed / Lapsed |