US3200082A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal loading of molecular sieves
Assignee: Union Carbide Corp
•
Filing: 1958-09-24
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Granted: 1965-08-10
•
Expires: 1978-09-24
Abstract
No abstract record available.
Inventors
- 👤 Donald W Breck
- 👤 Stanley W Bukata
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:21
CPC Classifications
B; B01; B01J; B01J29/00; B01J29/04; B01J29/06; B01J29/061; B01J20/00; B01J20/02; B01J20/10; B01J20/16; B01J20/18; B01J20/186
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
A PROCESS FOR PREPARING AN ELEMENTAL METAL-CONTAINING RIGID THREE-DIMENSIONAL CRYSTALLINE METAL ALUMINOSILICATE ZEOLITE OF THE MOLECULAR SEIVE TYPE WHICH COMPRISES INTIMATELY CONTACTING A RIGID THREE-DIMENSIONAL CRYSTALLINE METAL ALUMINOSILICATE ZEOLITE OF THE MOLECULAR SIEVE TYPE CAPABLE OF ADSORBING BENZENE INTERNALLY WITH AN AQUEOUS SOLUTION OF A METAL-AMINE COMPLEX CATION WHEREIN THE METAL IS SELECTED FROM THE GROUP CONSISTING OF COPPER, SILVER, GOLD, CHROMIUM, ZINC, CADMIUM, LEAD, TIN, IRON, COBALT, NICKEL, RUTHENIUM, RHODIUM, PALLADIUM, OSMIUM, IRRIDIUM AND PLATINUM WHEREBY ION-EXCHANGE OCCURS BETWEEN SAID COMPLEX CATIONS AND THE EXCHANGEABLE CATIONS OF SAID CRYSTALLINE METAL ALUMINOSILICATE ZEOLITE; DRYING SAID ION-EXCHANGED CRYSTALLINE METAL ALUMINOSILICATE ZEOLITE; DEHYDRATING SAID DRIED, INO-EXCHANGED CRYSTALLINE METAL ALUMINOSILICATE ZEOLITE IN AN INERT ATMOSPHERE; AND REDUCING THE COMPLEX CATIONS IN SAID DEHYDRATED CRYSTALLINE METAL ALUMINOSILICATE ZEOLITE TO THE ELEMENTAL WHEREBY SAID ELEMENTAL METAL IS RETAINED IN THE INNER ADSORPTION REGION OF SAID CRYSTALLINE METAL ALUMINOSILICATE ZEOLITE.
Claim 2
Dependent Claim
144 words
A PROCESS FOR PREPARING AN ELEMENTAL METAL-CONTAINING RIGID THREE-DIMENSIONAL CRYSTALLINE METAL ALUMINOSILICATE ZEOLITE OF THE MOLECULAR SEIVE TYPE WHICH COMPRISES INTIMATELY CONTACTING A RIGID THREE-DIMENSIONAL CRYSTALLINE METAL ALUMINOSILICATE ZEOLITE OF THE MOLECULAR SIEVE TYPE CAPABLE OF ADSORBING BENZENE INTERNALLY WITH AN AQUEOUS SOLUTION OF A METAL-AMINE COMPLEX CATION WHEREIN THE METAL IS SELECTED FROM THE GROUP CONSISTING OF COPPER, SILVER, GOLD, CHROMIUM, ZINC, CADMIUM, LEAD, TIN, IRON, COBALT, NICKEL, RUTHENIUM, RHODIUM, PALLADIUM, OSMIUM, IRRIDIUM AND PLATINUM WHEREBY ION-EXCHANGE OCCURS BETWEEN SAID COMPLEX CATIONS AND THE EXCHANGEABLE CATIONS OF SAID CRYSTALLINE METAL ALUMINOSILICATE ZEOLITE; DRYING SAID ION-EXCHANGED CRYSTALLINE METAL ALUMINOSILICATE ZEOLITE; DEHYDRATING SAID DRIED, INO-EXCHANGED CRYSTALLINE METAL ALUMINOSILICATE ZEOLITE IN AN INERT ATMOSPHERE; AND REDUCING THE COMPLEX CATIONS IN SAID DEHYDRATED CRYSTALLINE METAL ALUMINOSILICATE ZEOLITE TO THE ELEMENTAL WHEREBY SAID ELEMENTAL METAL IS RETAINED IN THE INNER ADSORPTION REGION OF SAID CRYSTALLINE METAL ALUMINOSILICATE ZEOLITE.
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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) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |