US3013089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conversion of hydrocarbons
Assignee: Monsanto Chemicals Ltd
•
Filing: 1960-01-04
•
Granted: 1961-12-12
•
Expires: 1980-01-04
Abstract
No abstract record available.
Inventors
- 👤 Lynn H Estes
- 👤 Walter R Knox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:03
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/16; B01J23/24; B01J23/26; C; C07; C07C; C07C5/00; C07C5/32; C07C5/373; C07C5/393; C07C5/41; C07C5/412; C10; C10G; C10G35/00; C10G35/04; C10G35/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
THE PROCESS OF DEHYDROGENATION AND CYCLIZATION OF PARAFFINIC HYDROCARBONS TO AROMATIC HYDROCARBONS COMPRISING CONTACTING PARAFFINIC HYDROCARBONS OF 6 TO 12 CARBON ATOMS IN A STRAIGHT-CHAIN AT A TEMPERATURE OF 510 TO 590*C. AND AT A VELOCITY OF APPROXIMATELY 0.1 TO 2.0 VOLUMES OF LIQUID FEED PER HOUR PER VOLUME OF CATALYST WITH A DEHYDROCYCLIZATION CATALYST COMPRISING AN OXIDE OF ANTIMONY, AN OXIDE OF AN ALKALI METAL, AN OXIDE OF AN ELEMENT FROM THE LEFT HAND COLUMN OF GROUP VI OF THE PERIODIC TABLE AND A BASE SUPPORT CONSISTING ESSENTIALLY OF ALUMINA HAVING A SURFACE AREA OF 50 TO 400 SQUARE METERS PER GRAM AND AVERAGE PORE DIAMETER OF AT LEAST 40 ANGSTROMS.
Claim 2
Dependent Claim
112 words
THE PROCESS OF DEHYDROGENATION AND CYCLIZATION OF PARAFFINIC HYDROCARBONS TO AROMATIC HYDROCARBONS COMPRISING CONTACTING PARAFFINIC HYDROCARBONS OF 6 TO 12 CARBON ATOMS IN A STRAIGHT-CHAIN AT A TEMPERATURE OF 510 TO 590*C. AND AT A VELOCITY OF APPROXIMATELY 0.1 TO 2.0 VOLUMES OF LIQUID FEED PER HOUR PER VOLUME OF CATALYST WITH A DEHYDROCYCLIZATION CATALYST COMPRISING AN OXIDE OF ANTIMONY, AN OXIDE OF AN ALKALI METAL, AN OXIDE OF AN ELEMENT FROM THE LEFT HAND COLUMN OF GROUP VI OF THE PERIODIC TABLE AND A BASE SUPPORT CONSISTING ESSENTIALLY OF ALUMINA HAVING A SURFACE AREA OF 50 TO 400 SQUARE METERS PER GRAM AND AVERAGE PORE DIAMETER OF AT LEAST 40 ANGSTROMS.
References Cited (Backward Citations)
US2250415A
Cited
US2410044A
Cited
US2668142A
Cited
US2754345A
Cited
US2785209A
Cited
US2857442A
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 |