US3236910A
Expired / Lapsed
US
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Dehydrogenation process employing a chromium containing zeolite
Assignee: Union Carbide Corp
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Filing: 1961-12-18
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Granted: 1966-02-22
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Expires: 1981-12-18
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
2026-11-01 23:15
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/32; C07C5/321; C07C5/324; B; B01; B01J; B01J29/00; B01J29/04; B01J29/06; B01J29/076; C07C5/322; C07C5/327; C07C5/333; C07C5/3332; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/52; Y10; Y10S; Y10S585/00; Y10S585/8995; Y10S585/906
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
A PROCESS FOR THE DEHYDROGENATION OF HYDROCARBONS WHICH COMPRISES CONTACTING SAID HYDROCARBONS WITH A CRYSTALLINE ZEOLITIC MOLECULAR SIEVE CONTAINING A MEMBER SELECTED FROM THE GROUP CONSISTING OF ELEMENTAL CHROMIUM AND CHROMIUM OXIDE IN THE INNER ADSORPTION REGION, SAID SIEVE BEING CHARACTERIZED AS BEING CAPABLE OF ADSORBING BENZENE, UNDER DEHYDROGENATING CONDITIONS.
Claim 2
Dependent Claim
50 words
A PROCESS FOR THE DEHYDROGENATION OF HYDROCARBONS WHICH COMPRISES CONTACTING SAID HYDROCARBONS WITH A CRYSTALLINE ZEOLITIC MOLECULAR SIEVE CONTAINING A MEMBER SELECTED FROM THE GROUP CONSISTING OF ELEMENTAL CHROMIUM AND CHROMIUM OXIDE IN THE INNER ADSORPTION REGION, SAID SIEVE BEING CHARACTERIZED AS BEING CAPABLE OF ADSORBING BENZENE, UNDER DEHYDROGENATING CONDITIONS.
References Cited (Backward Citations)
GB519808A
Cited
US2970968A
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US2971903A
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US2971904A
Cited
US3140322A
Cited
US3013988A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |