US2605213A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods for the acid refining of hydrocarbons
Assignee: FRANCAISE POUR LA SEPARATION L'EMULSION ET LE MELANGE SA
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Filing: 1950-05-05
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Granted: 1952-07-29
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Expires: 1970-05-05
Abstract
No abstract record available.
Inventors
- 👤 George W Edwards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:42
CPC Classifications
C; C10; C10G; C10G17/00; B; B01; B01F; B01F25/00; B01F25/70; B01F25/74; B01F25/744; B01J; B01J19/00; B01J19/28; C07; C07C; C07C7/00; C07C7/148; C07C7/17; C07C7/171
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A METHOD FOR REFINING HYDROCARBONS THROUGH CONCENTRATED SULPHURIC ACID CONSISTING IN ATOMISING ONE OF THE COMPONENTS OF THE ACID AND HYDROCARBON MIXTURE TO PRODUCE AND CARUSING IT TO IMPINGE AT A RELATIVE HIGH SPEED INTO A THIN LAYER OF THE OTHER COMPONENT, THE PROPORTION OF ACID TO HYDROCARBON CORRESPONDING EXACTLY TO THAT REQUIRED FOR SATURATING THE UNSATURATED COMPONENTS OF THE HYDROCARBONS.
Claim 2
Independent Claim
61 words
A METHOD FOR REFINING HYDROCARBONS THROUGH CONCENTRATED SULPHURIC ACID CONSISTING IN ATOMISING ONE OF THE COMPONENTS OF THE ACID AND HYDROCARBON MIXTURE TO PRODUCE AND CARUSING IT TO IMPINGE AT A RELATIVE HIGH SPEED INTO A THIN LAYER OF THE OTHER COMPONENT, THE PROPORTION OF ACID TO HYDROCARBON CORRESPONDING EXACTLY TO THAT REQUIRED FOR SATURATING THE UNSATURATED COMPONENTS OF THE HYDROCARBONS.
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) | 1955-07-29 | 1956-01-28 | 1956-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-29 | 1960-01-28 | 1960-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-29 | 1964-01-28 | 1964-07-29 | $7700.00 | Window Closed / Lapsed |