US3214431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel glutarimides
Assignee: Pfizer Inc
•
Filing: 1958-08-04
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Granted: 1965-10-26
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Expires: 1978-08-04
Abstract
No abstract record available.
Inventors
- 👤 Koppaka V Rao
- 👤 William S Marsh
- 👤 Aline L Garretson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:58
CPC Classifications
C; C07; C07D; C07D211/00; C07D211/04; C07D211/80; C07D211/84; C07D211/86; C07D211/88; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/886; Y10S435/887
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF 3-(2-(5-ACETOXY-3,5-DIMETHYL-2-OXOCYCLOHEXYL)-2-HYDROXYETHYL)GLUTARIMIDE, THE MONOESTES AND THE DIESTERS THEREOF, THE ESTER GROUP BEING SELECTED FROM THE GROUP CONSISTING OF ALKANOATES, AROMATIC HYDROCARBON CARBOXYLATES AND P-NITRO-SUBSTITUTED AROMATIC HYDROCARBON CARBOXYLATES, HAVING FROM 2 TO 17 CARBON ATOMS.
Claim 2
Dependent Claim
41 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF 3-(2-(5-ACETOXY-3,5-DIMETHYL-2-OXOCYCLOHEXYL)-2-HYDROXYETHYL)GLUTARIMIDE, THE MONOESTES AND THE DIESTERS THEREOF, THE ESTER GROUP BEING SELECTED FROM THE GROUP CONSISTING OF ALKANOATES, AROMATIC HYDROCARBON CARBOXYLATES AND P-NITRO-SUBSTITUTED AROMATIC HYDROCARBON CARBOXYLATES, HAVING FROM 2 TO 17 CARBON ATOMS.
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) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |