US3098044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing hydrous metal oxide sols
Assignee: ChampionX LLC
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Filing: 1955-11-25
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Granted: 1963-07-16
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Expires: 1975-11-25
Abstract
No abstract record available.
Inventors
- 👤 Everett D Glover
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:04
CPC Classifications
B; B01; B01J; B01J13/00; B01J13/0004; B01J13/0047; B01J13/0008; B01J13/0017; B01J20/00; B01J20/02; B01J20/06; B01J20/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A METHOD FOR PRODUCING A HYDROUS METAL OXIDE SOL WHICH COMPRISES EXCHANGING THE ANIONS OF A DILUTE SOLUTION OF AN ACIDIC METAL SALT HAVING A MONOVALENT ANION AND CAPABLE OF FORMING AN INSOLUBLE HYDROUS METAL OXIDE FOR ANIONS OF A WEAK, VOLATILE INORGANIC ACID BY CONTACTING SAID DILUTE SOLUTION WITH A WATER INSOLUBLE ANION EXCHANGE RESIN WHICH HAS AS ITS EXCHANGEABLE ANION AN ANION OF A WEAK VOLATILE INORGANIC ACID, SAID ANION BEING SELECTED FROM THE GROUP CONSISTING OF CARBONATE AND BICARBONATE.
Claim 2
Independent Claim
82 words
A METHOD FOR PRODUCING A HYDROUS METAL OXIDE SOL WHICH COMPRISES EXCHANGING THE ANIONS OF A DILUTE SOLUTION OF AN ACIDIC METAL SALT HAVING A MONOVALENT ANION AND CAPABLE OF FORMING AN INSOLUBLE HYDROUS METAL OXIDE FOR ANIONS OF A WEAK, VOLATILE INORGANIC ACID BY CONTACTING SAID DILUTE SOLUTION WITH A WATER INSOLUBLE ANION EXCHANGE RESIN WHICH HAS AS ITS EXCHANGEABLE ANION AN ANION OF A WEAK VOLATILE INORGANIC ACID, SAID ANION BEING SELECTED FROM THE GROUP CONSISTING OF CARBONATE AND BICARBONATE.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |