US3013986A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal-loaded molecular sieves
Assignee: Union Carbide Corp
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Filing: 1958-09-24
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Granted: 1961-12-19
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Expires: 1978-09-24
Abstract
No abstract record available.
Inventors
- 👤 Charles R Castor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:21
CPC Classifications
B; B01; B01J; B01J20/00; B01J20/02; B01J20/10; B01J20/16; B01J20/18; B01J20/186; B01J29/00; B01J29/04; B01J29/06; B01J29/061; C; C01; C01B; C01B33/00; C01B33/04; C01B33/046
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
AS A NEW COMPOSITION OF MATTER A DEHYDRATED RIGID, THREE-DIMENSIONAL, CRYSTALLINE METAL ALUMINOSILICATE ZEOLITE OF THE MOLECULAR SIEVE TYPE CAPABLE OF ADSORBING OXYGEN INTERNALLY AT THE NORMAL BOILING POINT OF OXYGEN CONTAINING AT LEAST ONE ELEMENTAL ALKALI METAL IN THE INNER ADSORPTION REGION.
Claim 2
Dependent Claim
43 words
AS A NEW COMPOSITION OF MATTER A DEHYDRATED RIGID, THREE-DIMENSIONAL, CRYSTALLINE METAL ALUMINOSILICATE ZEOLITE OF THE MOLECULAR SIEVE TYPE CAPABLE OF ADSORBING OXYGEN INTERNALLY AT THE NORMAL BOILING POINT OF OXYGEN CONTAINING AT LEAST ONE ELEMENTAL ALKALI METAL IN THE INNER ADSORPTION REGION.
References Cited (Backward Citations)
US1840450A
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US2306610A
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US2413134A
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US2617712A
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US2882244A
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US2882243A
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US2859257A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-18 | 1965-06-19 | 1965-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-18 | 1969-06-19 | 1969-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-18 | 1973-06-19 | 1973-12-19 | $7700.00 | Window Closed / Lapsed |