US3356757A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocarbon conversion
Assignee: Monsanto Co
•
Filing: 1964-09-23
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Granted: 1967-12-05
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Expires: 1984-09-23
Abstract
No abstract record available.
Inventors
- 👤 James F Roth
- 👤 Andrew R Schaefer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:01
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/32; C07C5/321; C07C5/322; B; B01; B01J; B01J23/00; B01J23/16; B01J23/24; B01J23/28; C07C5/327; C07C5/333; C07C5/3332
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
THE PROCESS FOR THE DEHYDROGENATION OF ACYCLIC PARAFFIN HYDROCARBONS OF 6 TO 30 CARBON ATOMS WHICH COMPRISES CONTACTING SAID ACYCLIC PARAFFIN HYDROCARBONS AT AN ELEVATED TEMPERATURE OF 400 TO 600*C. WITH A CATALYST COMPRISING APPROXIMATELY 2 TO 20 PERCENT BY WEIGHT OF MOLYBDENUM, AS AN OXIDE, DEPOSITED ON AN INERT CARRIER, SAID CATALYST HAVING A SURFACE AREA OF GREATER THAN 100 SQUARE METERS PER GRAM.
Claim 2
Dependent Claim
65 words
THE PROCESS FOR THE DEHYDROGENATION OF ACYCLIC PARAFFIN HYDROCARBONS OF 6 TO 30 CARBON ATOMS WHICH COMPRISES CONTACTING SAID ACYCLIC PARAFFIN HYDROCARBONS AT AN ELEVATED TEMPERATURE OF 400 TO 600*C. WITH A CATALYST COMPRISING APPROXIMATELY 2 TO 20 PERCENT BY WEIGHT OF MOLYBDENUM, AS AN OXIDE, DEPOSITED ON AN INERT CARRIER, SAID CATALYST HAVING A SURFACE AREA OF GREATER THAN 100 SQUARE METERS PER GRAM.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |