US3078323A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydroisomerization process
Assignee: Gulf Research and Development Co
•
Filing: 1959-12-31
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Granted: 1963-02-19
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Expires: 1979-12-31
Abstract
No abstract record available.
Inventors
- 👤 Robert E Kline
- 👤 William C Starnes
- 👤 Robert C Zabor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:15
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/22; C07C5/27; C07C5/2702; C07C5/2724; C07C5/2767; C07C5/277; C07C5/2791
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
THE HYDROISOMERIZATION PROCESS WHICH COMPRISES CONTACTING AT LEAST ONE COMPONENT OF A HYDROISOMERIZATION REACTOR CHARGE COMPRISING HYDROGEN AND AN ALIPHATIC PARAFFIN OF THE C4-C7 RANGE WITH A SOLID ADBSORBENT DRYING AGENT TO REDUCE THE WATER CONTENT OF THE REACTOR CHARGE TO LESS THAN 35 PARTS BY WEIGHT OF WATER PER MILLION PARTS OF HYDROCARBON, AND THEREAFTER CONTACTING THE REACTOR CHARGE HAVING SAID REDUCED WATER CONTENT WITH A HALOGEN-PROMOTED, SUPPORTED PLATINUM-TYPE HYDROISOMERIZATION CATALYST UNDER HYDROISOMERIZATION CONDITIONS OF TEMPERATURE AND PRESSURE INCLUDING A TEMPERATURE BELOW 850* F.
Claim 2
Dependent Claim
85 words
THE HYDROISOMERIZATION PROCESS WHICH COMPRISES CONTACTING AT LEAST ONE COMPONENT OF A HYDROISOMERIZATION REACTOR CHARGE COMPRISING HYDROGEN AND AN ALIPHATIC PARAFFIN OF THE C4-C7 RANGE WITH A SOLID ADBSORBENT DRYING AGENT TO REDUCE THE WATER CONTENT OF THE REACTOR CHARGE TO LESS THAN 35 PARTS BY WEIGHT OF WATER PER MILLION PARTS OF HYDROCARBON, AND THEREAFTER CONTACTING THE REACTOR CHARGE HAVING SAID REDUCED WATER CONTENT WITH A HALOGEN-PROMOTED, SUPPORTED PLATINUM-TYPE HYDROISOMERIZATION CATALYST UNDER HYDROISOMERIZATION CONDITIONS OF TEMPERATURE AND PRESSURE INCLUDING A TEMPERATURE BELOW 850* F.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-18 | 1966-08-20 | 1967-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-18 | 1970-08-20 | 1971-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-18 | 1974-08-20 | 1975-02-19 | $7700.00 | Window Closed / Lapsed |