US2834823A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Isomerization of hydrocarbons
Assignee: MW Kellogg Co
•
Filing: 1955-03-07
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Granted: 1958-05-13
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Expires: 1975-03-07
Abstract
No abstract record available.
Inventors
- 👤 James L Patton
- 👤 George W Stanford
- 👤 William P Burton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:52
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/22; C07C5/2206; C07C5/27; C07C5/2767; C07C5/277; C07C5/2791
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A PROCESS FOR THE ISOMERIZATION OF HYDROCARBONS WHICH COMPRISES CONTACTING AN ISOMERIZABLE HYDROCARBON IN A VAPOR STATE IN THE PRESENCE OF HYDROGEN AND A SOLID ISOMERIZATION CATALYST UNDER SUITABLE CONVERSION CONDITIONS, SEPARATING THE REACTION ZONE EFFLUENT INTO A HYDROGEN RICH GAS, PRODUCT ISOMER, UNREACTED HYDROCARBON, LOW BOILING HYDROCARBON SIDE PRODUCTS AND HIGH BOILING HYDROCARBON SIDE PRODUCTS, CONTAINING THE HYDROGEN RICH GAS WITH A PORTION OF THE HIGH BOILING SIDE PRODUCTS IN AN ABSORPTION ZONE TO EFFECT THE REMOVAL OF LIGHT HYDROCARBONS THEREFROM, PASSING HYDROGEN FROM THE ABSORPTION ZONE TO THE REACTION ZONE, COMBINING THE HIGH BOILING SIDE PRODUCT ABSORBENT WITH THE REACTION ZONE EFFLUENT AFTER
Claim 2
Dependent Claim
105 words
A PROCESS FOR THE ISOMERIZATION OF HYDROCARBONS WHICH COMPRISES CONTACTING AN ISOMERIZABLE HYDROCARBON IN A VAPOR STATE IN THE PRESENCE OF HYDROGEN AND A SOLID ISOMERIZATION CATALYST UNDER SUITABLE CONVERSION CONDITIONS, SEPARATING THE REACTION ZONE EFFLUENT INTO A HYDROGEN RICH GAS, PRODUCT ISOMER, UNREACTED HYDROCARBON, LOW BOILING HYDROCARBON SIDE PRODUCTS AND HIGH BOILING HYDROCARBON SIDE PRODUCTS, CONTAINING THE HYDROGEN RICH GAS WITH A PORTION OF THE HIGH BOILING SIDE PRODUCTS IN AN ABSORPTION ZONE TO EFFECT THE REMOVAL OF LIGHT HYDROCARBONS THEREFROM, PASSING HYDROGEN FROM THE ABSORPTION ZONE TO THE REACTION ZONE, COMBINING THE HIGH BOILING SIDE PRODUCT ABSORBENT WITH THE REACTION ZONE EFFLUENT AFTER
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) | 1961-05-12 | 1961-11-11 | 1962-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-12 | 1965-11-11 | 1966-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-12 | 1969-11-11 | 1970-05-13 | $7700.00 | Window Closed / Lapsed |