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US3221007A
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Fluorine carbene containing compounds and process for the preparation thereof
Assignee: Merck and Co Inc
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Filing: 1961-11-17
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Granted: 1965-11-30
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Expires: 1981-11-17
Abstract
No abstract record available.
Inventors
- 👤 Shen Tsung-Ying
- 👤 Lewis H Sarett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:16
CPC Classifications
C; C07; C07D; C07D275/00; C07D275/04; C07D275/06; C07B; C07B39/00; C07C; C07C231/00; C07C231/12; C07C253/00; C07C253/30; C07C317/00; C07C67/00; C07C67/30; C07C67/333; C07C67/343; C07D209/00; C07D209/02; C07D209/04; C07D209/08; C07D209/30; C07D209/42; C07D209/44; C07D209/46; C07D209/48; C07D215/00; C07D215/02; C07D215/16; C07D215/20; C07D215/22; C07D215/227; C07D317/00; C07D317/08; C07D317/10; C07D317/14; C07D317/30; C07H; C07H15/00; C07H15/02; C07H15/04; D; D03; D03D; D03D47/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
4 words
METHYL N-DIFLUOROMETHYL-N-BENZYLOXY CARBONYL 3,4,6-TRI-O-BENZOYL-D-GLUCOSAMINIDE.
Claim 2
Independent Claim
17 words
THE METHOD OF PRODUCING A FLUOROMETHYL ORGANIC COMPOUND CONTAINING A GROUPING SELECTED FROM THE GROUP CONSISTING OF
References Cited (Backward Citations)
US2411158A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |