US3842069A
Expired / Lapsed
US
⏱️ 0.0 years remaining
4"-deoxy-4"-oxoerythromycin b derivatives
Assignee: Abbott Laboratories
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Filing: 1973-06-21
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Granted: 1974-10-15
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Expires: 1993-06-21
Abstract
Abstract 1. A 4"-DEOXY-4"-OXOERYTHROMYCIN COMPOUND SELECTED FROM THE GROUP CONSISTING OF 2,10-DI(O=),4,5,7,9,11,13,-HEXA(H3C-),4-((4,6-DI(H3C-), 4-(H3C-O-),5-(O=),6-(H3C-)-TETRAHYDROPYR-2-YL)-O-),6- ((3-(R1-O-),4-((H3C)2-N-),6-(H3C-)-TETRAHYDROPYR-2-YL)- O-),7-(HO-),12-(R-O-),14-(H5C2-)-OXACYCLOTETRADECANE WHERE R IS -CHR2SR3 WHERE R'' IS HYDROGEN OR LOWERALKYL, R3 IS LOWERALKYL AND R1 IS HYDROGEN OR LOWERALKANOYL AND; 2-(O=),3,5,7,9,11,13-HEXA(H3C-),4-((4,6-DI(H3C-), 4-(H3C-O-),5-(O=),6-(H3C-)-TETRAHYDROPYR-2-YL)-O-),6- ((3-(R1-O-),4-((H3C)2-N-),6-(H3C-)-TETRAHYDROPYR-2-YL)- O-),7,10-(-O-),10,12-(-O-CH(-R2)-O-),12-(H5C2-)- OXACYCLOTETRADECANE WHERE R1 AND R2 ARE AS BEFORE DEFINED.
Inventors
- 👤 P Jones
- 👤 J Martin
- 👤 J Tadanier
- 👤 J Mcalpine
- 👤 J Pauvlik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:02
CPC Classifications
C; C07; C07H; C07H17/00; C07H17/04; C07H17/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
9 words
A 4"-DEOXY-4"-OXOERYTHROMYCIN COMPOUND SELECTED FROM THE GROUP CONSISTING OF
Claim 2
Dependent Claim
9 words
A 4"-DEOXY-4"-OXOERYTHROMYCIN COMPOUND SELECTED FROM THE GROUP CONSISTING OF
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) | 1977-10-14 | 1978-04-15 | 1978-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-10-14 | 1982-04-15 | 1982-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-10-14 | 1986-04-15 | 1986-10-15 | $7700.00 | Window Closed / Lapsed |