US3013090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conversion of hydrocarbons
Assignee: Monsanto Chemicals Ltd
•
Filing: 1960-01-04
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Granted: 1961-12-12
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Expires: 1980-01-04
Abstract
No abstract record available.
Inventors
- 👤 Carroll A Hochwalt
- 👤 Walter R Knox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:32
CPC Classifications
C; C10; C10G; C10G35/00; C10G35/04; C10G35/06; B; B01; B01J; B01J21/00; B01J21/02; B01J27/00; B01J27/02; B01J27/057; B01J27/0573; B01J27/24; C07; C07C; C07C5/00; C07C5/32; C07C5/373; C07C5/393; C07C5/41; C07C5/412; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
THE PROCESS OF DEHYDROGENATION AND CYCLIZATION OF PARAFFIN HYDROCARBONS TO AROMATIC HYDROCARBONS COMPRISING CONTACTING PARAFFIN HYDROCARBONS OF 6 TO 12 CARBON ATOMS IN A STRAIGHT-CHAIN AT A TEMPERATURE OF 510 TO 590*C. AND AT A SPACE VELOCITY OF 0.1 TO 2.0 VOLUMES OF LIQUID FEED PER HOUR PER VOLUME OF CATALYST WITH A CATALYST COMPRISING IRON SELENIDE ON A CATALYST SUPPORT CONSISTING ESSENTIALLY OF AN ALUMINA OF A SURFACE AREA OF 50 TO 400 SQUARE METERS PER GRAM AND AN AVERAGE PORE DIAMETER OF AT LEAST 40 ANGSTROMS.
Claim 2
Dependent Claim
88 words
THE PROCESS OF DEHYDROGENATION AND CYCLIZATION OF PARAFFIN HYDROCARBONS TO AROMATIC HYDROCARBONS COMPRISING CONTACTING PARAFFIN HYDROCARBONS OF 6 TO 12 CARBON ATOMS IN A STRAIGHT-CHAIN AT A TEMPERATURE OF 510 TO 590*C. AND AT A SPACE VELOCITY OF 0.1 TO 2.0 VOLUMES OF LIQUID FEED PER HOUR PER VOLUME OF CATALYST WITH A CATALYST COMPRISING IRON SELENIDE ON A CATALYST SUPPORT CONSISTING ESSENTIALLY OF AN ALUMINA OF A SURFACE AREA OF 50 TO 400 SQUARE METERS PER GRAM AND AN AVERAGE PORE DIAMETER OF AT LEAST 40 ANGSTROMS.
References Cited (Backward Citations)
US2042306A
Cited
US2331292A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-11 | 1965-06-12 | 1965-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-11 | 1969-06-12 | 1969-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-11 | 1973-06-12 | 1973-12-12 | $7700.00 | Window Closed / Lapsed |