US2514580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separation of hydrocarbons
Assignee: Sunoco Inc
•
Filing: 1948-04-14
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Granted: 1950-07-11
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Expires: 1968-04-14
Abstract
No abstract record available.
Inventors
- 👤 Alfred E Hirschler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:52
CPC Classifications
C; C07; C07C; C07C7/00; C07C7/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
IN THE SEPARATING OF A MIXTURE OF TWO HYDROCARBONS HAVING THE SAME DEGREE OF SATURATION BY MEANS OF A GRANULAR ADSORBENT, WHICH MIXTURE WHEN TREATED DIRECTLY WITH THE ADSORBENT IS NOT SUBSTANTIALLY SEPARABLE DUE TO THE FACT THAT THE DIFFERENCE BETWEEN THE ADSORBABILITIES OF THE TWO CONSTITUENTS IS NOT SUBSTANTIAL, THE METHOD OF IMPROVING THE SEPARATION WHICH COMPRISES FIRST ADDING TO THE MIXTURE A THIRD HYDROCARBON HAVING NOT MORE THAN ONE DOUBLE BOND PER MOLECULE MORE THAN THE STARTING HYDROCARBONS, THEN PASSING THE RESULTING MIXTURE IN LIQUID PHASE THROUGH A BODY OF SAID ADSORBENT, THEREBY SELECTIVELY ADSORBING ONE OF THE STARTING HYDROCARBONS RELATIVE TO THE OTHER, AND SEPARATING FROM THE ADSORBENT A FILTRATE FRACTION CONTAINING THE STARTING HYDROCARBONS IN A SUBSTANTIALLY ALTERED PROPORTION.
Claim 2
Dependent Claim
123 words
IN THE SEPARATING OF A MIXTURE OF TWO HYDROCARBONS HAVING THE SAME DEGREE OF SATURATION BY MEANS OF A GRANULAR ADSORBENT, WHICH MIXTURE WHEN TREATED DIRECTLY WITH THE ADSORBENT IS NOT SUBSTANTIALLY SEPARABLE DUE TO THE FACT THAT THE DIFFERENCE BETWEEN THE ADSORBABILITIES OF THE TWO CONSTITUENTS IS NOT SUBSTANTIAL, THE METHOD OF IMPROVING THE SEPARATION WHICH COMPRISES FIRST ADDING TO THE MIXTURE A THIRD HYDROCARBON HAVING NOT MORE THAN ONE DOUBLE BOND PER MOLECULE MORE THAN THE STARTING HYDROCARBONS, THEN PASSING THE RESULTING MIXTURE IN LIQUID PHASE THROUGH A BODY OF SAID ADSORBENT, THEREBY SELECTIVELY ADSORBING ONE OF THE STARTING HYDROCARBONS RELATIVE TO THE OTHER, AND SEPARATING FROM THE ADSORBENT A FILTRATE FRACTION CONTAINING THE STARTING HYDROCARBONS IN A SUBSTANTIALLY ALTERED PROPORTION.
References Cited (Backward Citations)
US2395491A
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 |