Patent US2666058A successfully refreshed from Google Patents.
US2666058A
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Undecylenic acid esters of 8-hydroxyquinolines
Assignee: CIBA PHARM PROD Inc
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Filing: 1951-05-14
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Granted: 1954-01-12
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Expires: 1971-05-14
Abstract
No abstract record available.
Inventors
- 👤 Neher Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:08
CPC Classifications
C; C07; C07D; C07D215/00; C07D215/02; C07D215/16; C07D215/20; C07D215/24; C07D215/26; C07D215/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
17 words
A MEMBER SELECTED FROM THE GROUP CONSISTING OF THE UNDECYLENIC ACID ESTERS OF 8-HYDORXYQUINOLINES, OF THE FORMULA
Claim 2
Dependent Claim
17 words
A MEMBER SELECTED FROM THE GROUP CONSISTING OF THE UNDECYLENIC ACID ESTERS OF 8-HYDORXYQUINOLINES, OF THE FORMULA
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) | 1957-01-11 | 1957-07-13 | 1958-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-11 | 1961-07-13 | 1962-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-11 | 1965-07-13 | 1966-01-12 | $7700.00 | Window Closed / Lapsed |