US2515006A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Modified acid for tertiary olefin extraction
Assignee: Standard Oil Development Co
•
Filing: 1948-01-02
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Granted: 1950-07-11
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Expires: 1968-01-02
Abstract
No abstract record available.
Inventors
- 👤 Jr Boyd E Hudson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:58
CPC Classifications
C; C07; C07C; C07C7/00; C07C7/148; C07C7/17; C07C7/171; Y; Y10; Y10S; Y10S585/00; Y10S585/949; Y10S585/952
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
THE METHOD OF SELECTIVELY REMOVING TERTIARY OLEFINS FROM MIXTURES OF HYDROCARBONS CONTAINING BOTH TERTIARY AND NORMAL OLEFINS WHICH COMPRISES SELECTIVELY ABSORBING THE TETIARY OLEFINS BY CONTACTING THE MIXTURE WITH AN AQUEOUS SOLUTION OF A MIXTURE OF AN ORGANIC SULFONIC ACID AND A WATER-SOLUBLE POLYBASIC MINERAL ACID, SAID MIXTURE CONTAINING 20 TO 45 MOL PERCENT TOTAL MIXTURE CONTAINING 20 TO 45 MOL PERCENT TOTAL ACID OF WHICH THE POLBASIC MINERAL ACID REPRESENTS FROM 10 TO 75 MOL PERCENT OF THE TOTAL ACIDS.
Claim 2
Independent Claim
81 words
THE METHOD OF SELECTIVELY REMOVING TERTIARY OLEFINS FROM MIXTURES OF HYDROCARBONS CONTAINING BOTH TERTIARY AND NORMAL OLEFINS WHICH COMPRISES SELECTIVELY ABSORBING THE TETIARY OLEFINS BY CONTACTING THE MIXTURE WITH AN AQUEOUS SOLUTION OF A MIXTURE OF AN ORGANIC SULFONIC ACID AND A WATER-SOLUBLE POLYBASIC MINERAL ACID, SAID MIXTURE CONTAINING 20 TO 45 MOL PERCENT TOTAL MIXTURE CONTAINING 20 TO 45 MOL PERCENT TOTAL ACID OF WHICH THE POLBASIC MINERAL ACID REPRESENTS FROM 10 TO 75 MOL PERCENT OF THE TOTAL ACIDS.
References Cited (Backward Citations)
US2400376A
Cited
US2426088A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-10 | 1954-01-09 | 1954-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-10 | 1958-01-09 | 1958-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-10 | 1962-01-09 | 1962-07-11 | $7700.00 | Window Closed / Lapsed |