Patent US2922801A successfully refreshed from Google Patents.
US2922801A
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Oil-soluble ceric salts and method of preparing the same
Assignee: Wyeth Holdings LLC
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Filing: 1958-06-03
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Granted: 1960-01-26
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Expires: 1978-06-03
Abstract
No abstract record available.
Inventors
- 👤 Kaizerman Samuel
- 👤 Mino Guido
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:40
CPC Classifications
C; C07; C07C; C07C305/00; C07C309/00; C07F; C07F5/00; C07F5/003; C08; C08F; C08F291/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
40 words
AN OIL-SOLUBLE CERIC SALT SELECTED FROM THE GROUP CONSISTING OF (1) A CERIC ALKYL SULFATE, (2) A CERIC ALKYL ARENE SULFONATE, (3) A CERIC SULFONATE OF AN UNSUBSTITUTED ALIPHATIC POLYCARBOXYLIC ACID DIALKYL ESTER AND (4) A CERIC ALIPHATIC HYDROCARBON SULFONATE.
Claim 2
Dependent Claim
40 words
AN OIL-SOLUBLE CERIC SALT SELECTED FROM THE GROUP CONSISTING OF (1) A CERIC ALKYL SULFATE, (2) A CERIC ALKYL ARENE SULFONATE, (3) A CERIC SULFONATE OF AN UNSUBSTITUTED ALIPHATIC POLYCARBOXYLIC ACID DIALKYL ESTER AND (4) A CERIC ALIPHATIC HYDROCARBON SULFONATE.
Claim 3
Independent Claim
69 words
A METHOD FOR PREPARING AN OIL-SOLUBLE CERIC SALT WHICH COMPRISES REACTING AN INORGANIC CERIC SALT SELECTED FROM THE GROUP CONSISTING OF CERIC NITRATE, CERIC AMMONIUM NITRATE AND CERIC PERCHLORATE WITH AN ALKALI METAL SALT OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF (1) AN ALKYL SULFATE, (2) AN ALKYL ARENE SULFONATE, (3) A SULFONATE OFF AN UNSUBSTITUTED ALIPHATIC POLYCARBOXYLIC ACID DIALKYL ESTER AND (4) AN ALIPHATIC HYDROCARBON SULFONATE.
Claim 4
Independent Claim
69 words
A METHOD FOR PREPARING AN OIL-SOLUBLE CERIC SALT WHICH COMPRISES REACTING AN INORGANIC CERIC SALT SELECTED FROM THE GROUP CONSISTING OF CERIC NITRATE, CERIC AMMONIUM NITRATE AND CERIC PERCHLORATE WITH AN ALKALI METAL SALT OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF (1) AN ALKYL SULFATE, (2) AN ALKYL ARENE SULFONATE, (3) A SULFONATE OFF AN UNSUBSTITUTED ALIPHATIC POLYCARBOXYLIC ACID DIALKYL ESTER AND (4) AN ALIPHATIC HYDROCARBON SULFONATE.
References Cited (Backward Citations)
US2485535A
Cited
US2594560A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-25 | 1963-07-27 | 1964-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-25 | 1967-07-27 | 1968-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-25 | 1971-07-27 | 1972-01-26 | $7700.00 | Window Closed / Lapsed |