US2745832A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal quinolinolates and methods of making the same
Assignee: Nuodex Products Co Inc
•
Filing: 1954-03-08
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Granted: 1956-05-15
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Expires: 1974-03-08
Abstract
No abstract record available.
Inventors
- 👤 Fath Joseph
- 👤 George J Leitner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:42
CPC Classifications
C; C07; C07D; C07D215/00; C07D215/02; C07D215/16; C07D215/20; C07D215/24; C07D215/26; C07D215/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
24 words
METHOD OF PREPARING AN OIL-SOLUBLE COMPOUND CONTAINING A POLYVALENT METAL SALT OF 8-HYDROXY QUINOLINE WHICH COMPRISES: REACTING A QUATERNARY AMMONIUM 8QUINOLINOLATE OF THE STRUCTURE
Claim 2
Dependent Claim
24 words
METHOD OF PREPARING AN OIL-SOLUBLE COMPOUND CONTAINING A POLYVALENT METAL SALT OF 8-HYDROXY QUINOLINE WHICH COMPRISES: REACTING A QUATERNARY AMMONIUM 8QUINOLINOLATE OF THE STRUCTURE
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) | 1959-05-15 | 1959-11-14 | 1960-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-15 | 1963-11-14 | 1964-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-15 | 1967-11-14 | 1968-05-15 | $7700.00 | Window Closed / Lapsed |