US3770616A
Expired / Lapsed
US
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Method of reforming hydrocarbons
Assignee: Asahi Kasei Corp
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Filing: 1971-05-05
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Granted: 1973-11-06
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Expires: 1991-05-05
Abstract
Abstract Method of reforming hydrocarbons which comprises treating a mixture of hydrogen and hydrocarbon at a temperature from 400*C. to 650*C. on a catalyst containing from 0.01 to 5 percent by weight of platinum, from 0.01 to 5 percent by weighth of lead and from 0.01 to 10 percent by weight of at least one member selected from the group consisting of copper, silver, gold, boron, thallium, titanium, zirconium, vanadium, tantalum, manganese, iron, cobalt, nickel, thorium, yttrium, phosphorus, antimony, cerium, scandium, gallium, indium, hafnium and niobium.
Inventors
- 👤 N Kominami
- 👤 T Iwaisako
- 👤 K Ohki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:27
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/38; B01J23/54; B01J23/56; B01J23/63; B01J23/62; B01J23/622; B01J23/628; B01J23/64; B01J23/66; B01J23/70; B01J23/89; B01J23/8933; B01J23/8966; C; C10; C10G; C10G35/00; C10G35/04; C10G35/06; C10G35/085; C10G35/09; C10G35/095
Claims Analysis
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References Cited (Backward Citations)
US2378209A
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US2500146A
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US3002920A
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BE745703A
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US3700588A
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BE751079A
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US3670044A
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US3630961A
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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) | 1976-11-05 | 1977-05-07 | 1977-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-11-05 | 1981-05-07 | 1981-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-11-05 | 1985-05-07 | 1985-11-06 | $7700.00 | Window Closed / Lapsed |