US3013988A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic materials
Assignee: Union Carbide Corp
•
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
- 👤 Stanley W Bukata
- 👤 Charles R Castor
- 👤 Robert M Milton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 06:15
CPC Classifications
B; B01; B01J; B01J20/00; B01J20/02; B01J20/10; B01J20/16; B01J20/18; B01J20/186; B01J29/00; B01J29/04; B01J29/06; B01J29/076; Y; Y10; Y10S; Y10S8/00; Y10S8/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
AS A NEW COMPOSITION OF MATTER A DEHYDRATED, RIGID THREE DIMENSIONAL CRYSTALLINE METAL ALUMINOSILICATE ZEOLITE OF THE MOLECULAR SIEVE TYPE CONTAINING AT LEAST ONE MATERIAL SELECTED FROM THE GROUP CONSISTING OF ELEMENTAL CHROMIUM, ELEMENTAL MOLYBDENUM, ELEMENTAL TUNGSTEN AND OXIDES OF CHROMIUM, MOLYBDENUM AND TUNGSTEN IN THE INNER ADSORPTION REGION OF SAID CRYSTALLINE METAL ALUMINOSILICATE ZEOLITE, SAID CRYSTALLINE METAL ALUMINOSILICATE ZEOLITE BEING CHARACTERIZED AS BEING CAPABLE OF ADSORBING BENZENE INTERNALLY.
Claim 2
Dependent Claim
69 words
AS A NEW COMPOSITION OF MATTER A DEHYDRATED, RIGID THREE DIMENSIONAL CRYSTALLINE METAL ALUMINOSILICATE ZEOLITE OF THE MOLECULAR SIEVE TYPE CONTAINING AT LEAST ONE MATERIAL SELECTED FROM THE GROUP CONSISTING OF ELEMENTAL CHROMIUM, ELEMENTAL MOLYBDENUM, ELEMENTAL TUNGSTEN AND OXIDES OF CHROMIUM, MOLYBDENUM AND TUNGSTEN IN THE INNER ADSORPTION REGION OF SAID CRYSTALLINE METAL ALUMINOSILICATE ZEOLITE, SAID CRYSTALLINE METAL ALUMINOSILICATE ZEOLITE BEING CHARACTERIZED AS BEING CAPABLE OF ADSORBING BENZENE INTERNALLY.
References Cited (Backward Citations)
US1840450A
Cited
US2306610A
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US2413134A
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US2617712A
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US2882244A
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US2882243A
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 |