Patent US1849086A successfully refreshed from Google Patents.
US3153100A
Expired / Lapsed
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Process for converting monoalkyl-substituted monocyclic naphthenes
Assignee: California Research LLC
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Filing: 1960-06-28
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Granted: 1964-10-13
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Expires: 1980-06-28
Abstract
No abstract record available.
Inventors
- 👤 Robert J White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:11
CPC Classifications
C; C07; C07C; C07C4/00; C10; C10G; C10G47/00; C10G47/02; C10G47/10; C07C2527/00; C07C2527/02; C07C2527/04; C07C2527/043; Y; Y10; Y10S; Y10S585/00; Y10S585/949; Y10S585/952
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A PROCESS FOR CONVERING A HYDROCARBON FEED COMPRISING OVER 50 PERCENT OF MONOALKYL MONOCYCLIC NAPHTHENES CONTAINING AT LEAST 5 ALKYL CARBON ATOMS DISPOSED IN AN ALKYL GROUP TO A HYDROCARBON REACTION PRODUCT CONPOSED OF PARAFFINIC HYDROCARBONS AND NAPHTHENIC HYDROCARBONS, THE PARAFFINIC PORTION OF SAID PRODUCT CONSISTING PREDOMINANTLY OF ISOPARAFFINS CONTAINING AT LEAST 4 CARBON ATOMS PER MOLECULE AND CONTAINING ONLY A MINOR PORPORTION OF PARAFFINS CONTAINING LESS THAN 4 CARBON ATOMS PER MOLECULE, AND THE NAPHTHENIC PORTION OF SAID PRODUCT CONTAINING AT LEAST 60 MOL PERCENT OF LOWER MOLECULAR WEIGHT PRODUCTS, WHICH COMRPISES CONTACTING THE FEED WITH A SOLID CRACKING CATALYST AT SUPERATMOSPHERIC PRESSURE AND AT ELEVATED TEMPERATURES OF FROM 360* TO ABOUT 700*C.
Claim 2
Dependent Claim
114 words
A PROCESS FOR CONVERING A HYDROCARBON FEED COMPRISING OVER 50 PERCENT OF MONOALKYL MONOCYCLIC NAPHTHENES CONTAINING AT LEAST 5 ALKYL CARBON ATOMS DISPOSED IN AN ALKYL GROUP TO A HYDROCARBON REACTION PRODUCT CONPOSED OF PARAFFINIC HYDROCARBONS AND NAPHTHENIC HYDROCARBONS, THE PARAFFINIC PORTION OF SAID PRODUCT CONSISTING PREDOMINANTLY OF ISOPARAFFINS CONTAINING AT LEAST 4 CARBON ATOMS PER MOLECULE AND CONTAINING ONLY A MINOR PORPORTION OF PARAFFINS CONTAINING LESS THAN 4 CARBON ATOMS PER MOLECULE, AND THE NAPHTHENIC PORTION OF SAID PRODUCT CONTAINING AT LEAST 60 MOL PERCENT OF LOWER MOLECULAR WEIGHT PRODUCTS, WHICH COMRPISES CONTACTING THE FEED WITH A SOLID CRACKING CATALYST AT SUPERATMOSPHERIC PRESSURE AND AT ELEVATED TEMPERATURES OF FROM 360* TO ABOUT 700*C.
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) | 1967-10-13 | 1968-04-13 | 1968-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-13 | 1972-04-13 | 1972-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-13 | 1976-04-13 | 1976-10-13 | $7700.00 | Window Closed / Lapsed |