US3578609A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ion exchange resin containing zero-valent metal
Assignee: Mobil Oil AS
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Filing: 1967-10-02
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Granted: 1971-05-11
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Expires: 1987-10-02
Abstract
Abstract THIS SPECIFICATION DISCLOSES AN ION EXCHANGE RESIN CONTAINING ZERO-VALENT METAL. IN THE PREPARATION THEREOF, AN ION EXCHANGE RESIN IS CONTACTED WITH A REDUCING AGENT TO FIX THE REDUCING AGENT IN THE RESIN. THEAFTER, THE RESIN IS CONTACTED WITH A SOLUBLE METAL COMPOUND, THE METAL BEING FROM GROUPS VIII, I-B, II-B, III-B, IV-B, V-B, VI-B, AND VII-B OF THE PERIODIC TABLE. THE METAL OF THE COMPOUND IS THEREBY REDUCED TO THE ZERO-VALENT STATE IN-SITU IN THE RESIN. THE RESULTING PRODUCT MAY BE EMPLOYED AS A CATALYST.
Inventors
- 👤 Werner O Haag
- 👤 Darrell Duayne Whitehurst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:43
CPC Classifications
B; B01; B01J; B01J31/00; B01J31/02; B01J31/06; B01J31/08; B01J31/10; B01J31/26; B01J31/28; C; C07; C07C; C07C41/00; C07C41/01; C07C41/18; C07C41/28; C07C5/00; C07C5/02; C07C5/08; C07C5/09; C07C5/22; C07C5/23; C07C5/25; C07C5/2506; C07C5/2562; C07C5/2568; C07C51/00; C07C51/083; C07C51/58; C07C67/00; C07C67/035; C07C67/36; C07C67/37; B01J2231/00; B01J2231/60; B01J2231/64; B01J2231/641; B01J2231/645; C07C2531/00; C07C2531/02; C07C2531/06; C07C2531/08; C07C2531/10; C07C2601/00; C07C2601/12; C07C2601/14; Y; Y10; Y10S; Y10S585/00; Y10S585/8995; Y10S585/901; Y10S585/906
Claims Analysis
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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) | 1974-05-10 | 1974-11-09 | 1975-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-10 | 1978-11-09 | 1979-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-10 | 1982-11-09 | 1983-05-11 | $7700.00 | Window Closed / Lapsed |