US2764622A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocarbon conversion
Assignee: Pure Oil Co
•
Filing: 1953-06-19
•
Granted: 1956-09-25
•
Expires: 1973-06-19
Abstract
No abstract record available.
Inventors
- 👤 Milton M Marisic
- 👤 Hennig Harvey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:54
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/02; C07C2/04; C07C4/00; C07C4/02; C07C4/04; C07C5/00; C07C5/32; Y; Y10; Y10S; Y10S585/00; Y10S585/929; Y10S585/942
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
IN A PROCESS FOR THE THERMAL CONVERSION OF NORMALLY GASEOUS HYDROCARBONS AT ELEVATED TEMPERATURES WHEREIN CRACKING, DEHYDROGENATION AND POLYMERIZATION REACTIONS OCCUR, THE IMPROVEMENT COMPRISING CONDUCTING SAID CONVERSION IN THE PRESENCE OF 1 TO 10 PER CENT BY WEIGHT OF A PREDOMINANTLY PARAFFINIC NON-REFRACTORY HYDROCARBON MATERIAL HAVING AT LEAST 7 CARBON ATOMS PER MOLECULE.
Claim 2
Dependent Claim
53 words
IN A PROCESS FOR THE THERMAL CONVERSION OF NORMALLY GASEOUS HYDROCARBONS AT ELEVATED TEMPERATURES WHEREIN CRACKING, DEHYDROGENATION AND POLYMERIZATION REACTIONS OCCUR, THE IMPROVEMENT COMPRISING CONDUCTING SAID CONVERSION IN THE PRESENCE OF 1 TO 10 PER CENT BY WEIGHT OF A PREDOMINANTLY PARAFFINIC NON-REFRACTORY HYDROCARBON MATERIAL HAVING AT LEAST 7 CARBON ATOMS PER MOLECULE.
References Cited (Backward Citations)
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Cited
US2137275A
Cited
US2257723A
Cited
US2358912A
Cited
US2391818A
Cited
US2626233A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-25 | 1960-03-26 | 1960-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-25 | 1964-03-26 | 1964-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-25 | 1968-03-26 | 1968-09-25 | $7700.00 | Window Closed / Lapsed |