Patent US3202724A successfully refreshed from Google Patents.
US3202724A
Expired / Lapsed
US
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Dehydrogenation of hydrocarbons
Assignee: Saint Gobain Abrasives Inc
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Filing: 1961-07-17
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Granted: 1965-08-24
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Expires: 1981-07-17
Abstract
No abstract record available.
Inventors
- 👤 Allen H Keough
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:30
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/32; C07C5/321; C07C5/324; C07C5/325; B; B01; B01J; B01J23/00; B01J23/38; B01J23/40; C07C5/367; B01J31/00; B01J31/16; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A PROCESS FOR DEHYDROGENATING HYDROCARBONS COMPRISING CONTACTIKNG A SATURATED HYDROCARBON AT CONVERSION TEMPERATURES WITH A CATALYST FORMED BY FIRING A MIXTURE OF A SILICATE MINERAL, ALUMINA, A BORON COMPOUND SELECTED FROM THE GROUP CONSISTING OF BORIC ACID, BORIC OXIDE, CALCIUM BORATE, AND SODIUM TETRABORATE AND A PLATINUM SOURCE, LEACHING THE FIRED PRODUCT TO REMOVE WATER SOLUBLE RESIDUE, AND REDUCING SAID PLATINUM SOURCE TO ELEMENTAL PLATINUM ON AND WITHIN SAID CATALYST.
Claim 2
Dependent Claim
70 words
A PROCESS FOR DEHYDROGENATING HYDROCARBONS COMPRISING CONTACTIKNG A SATURATED HYDROCARBON AT CONVERSION TEMPERATURES WITH A CATALYST FORMED BY FIRING A MIXTURE OF A SILICATE MINERAL, ALUMINA, A BORON COMPOUND SELECTED FROM THE GROUP CONSISTING OF BORIC ACID, BORIC OXIDE, CALCIUM BORATE, AND SODIUM TETRABORATE AND A PLATINUM SOURCE, LEACHING THE FIRED PRODUCT TO REMOVE WATER SOLUBLE RESIDUE, AND REDUCING SAID PLATINUM SOURCE TO ELEMENTAL PLATINUM ON AND WITHIN SAID CATALYST.
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) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |