US2909542A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Use of amidoximes in solvent extraction of metal ions from solution
Assignee: Individual
•
Filing: 1955-02-07
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Granted: 1959-10-20
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Expires: 1975-02-07
Abstract
No abstract record available.
Inventors
- 👤 Soloway Saul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:28
CPC Classifications
C; C07; C07C; C07C259/00; C07C259/12; C07C259/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A PROCESS FOR THE EXTRACTION OF METALLIC IONS FROM AQUEOUS SOLUTION, SAID METALLIC IONS BEING SELECTED FROM THE CLASS OF METALLIC IONS CONSISTING OF THE METALLIC IONS OF GROUP VIII, THE METALLIC IONS OF GROUP IB, MANGANESE AND URANIUM, WHICH COMPRISES THE EXTRACTION OF SAID METALLIC IONS FROM SAID AQUEOUS SOLUTION AS COMPLEXES OF SAID METALLIC IONS BY A SOLUTION OF AN AMIDOXIME, SAID AMIDOXIME BEING SELECTED FROM THE CLASS CONSISTING OF ALIPHATIC AMIDOXIMES CONTAINING FOUR TO TWENTY CARBON ATOMS, PHENYL ALIPHATIC AMIDOXIMES WITH AN ALIPHATIC CHAIN OF ONE TO SIX CARBON ATOMS, CYCLOHEXYLALKYLAMIDOXIMES WITH AN ALKYL CHAIN OF ONE TO SIX CARBON ATOMS AND CYCLOHEXYLAMIDOXIME IN AN ORGANIC, WATER IMMISCIBLE SOLVENT.
Claim 2
Dependent Claim
112 words
A PROCESS FOR THE EXTRACTION OF METALLIC IONS FROM AQUEOUS SOLUTION, SAID METALLIC IONS BEING SELECTED FROM THE CLASS OF METALLIC IONS CONSISTING OF THE METALLIC IONS OF GROUP VIII, THE METALLIC IONS OF GROUP IB, MANGANESE AND URANIUM, WHICH COMPRISES THE EXTRACTION OF SAID METALLIC IONS FROM SAID AQUEOUS SOLUTION AS COMPLEXES OF SAID METALLIC IONS BY A SOLUTION OF AN AMIDOXIME, SAID AMIDOXIME BEING SELECTED FROM THE CLASS CONSISTING OF ALIPHATIC AMIDOXIMES CONTAINING FOUR TO TWENTY CARBON ATOMS, PHENYL ALIPHATIC AMIDOXIMES WITH AN ALIPHATIC CHAIN OF ONE TO SIX CARBON ATOMS, CYCLOHEXYLALKYLAMIDOXIMES WITH AN ALKYL CHAIN OF ONE TO SIX CARBON ATOMS AND CYCLOHEXYLAMIDOXIME IN AN ORGANIC, WATER IMMISCIBLE SOLVENT.
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) | 1962-10-19 | 1963-04-20 | 1963-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-19 | 1967-04-20 | 1967-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-19 | 1971-04-20 | 1971-10-20 | $7700.00 | Window Closed / Lapsed |