Patent US3338822A successfully refreshed from Google Patents.
US3338822A
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US
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Preferential adsorption of normal paraffins on molybdenum disulphide, tungsten disulphide and boron nitride
Assignee: BP PLC
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Filing: 1966-02-02
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Granted: 1967-08-29
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Expires: 1986-02-02
Abstract
No abstract record available.
Inventors
- 👤 Groszek Aleksander Jerzy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:52
CPC Classifications
C; C10; C10G; C10G25/00; C10G25/003; C01; C01G; C01G39/00; C01G39/06; C07; C07C; C07C7/00; C07C7/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A METHOD OF SEPARATING LONG-CHAIN NORMAL HYDROCARBONS HAVING AT LEAST TEN CARBON ATOMS PER MOLECULE FROM THEIR MIXTURES WITH OTHER HYDROCARBONS COMPRISING CONTACTING THE MIXTURE WITH A LAYERED SOLID ADSORBENT SELECTED FROM THE GROUP CONSISTING OF MOLYBDENUM DISULPHIDE, TUNGSTEN DISULPHIDE AND BORON NITRIDE.
Claim 2
Independent Claim
43 words
A METHOD OF SEPARATING LONG-CHAIN NORMAL HYDROCARBONS HAVING AT LEAST TEN CARBON ATOMS PER MOLECULE FROM THEIR MIXTURES WITH OTHER HYDROCARBONS COMPRISING CONTACTING THE MIXTURE WITH A LAYERED SOLID ADSORBENT SELECTED FROM THE GROUP CONSISTING OF MOLYBDENUM DISULPHIDE, TUNGSTEN DISULPHIDE AND BORON NITRIDE.
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) | 1970-08-28 | 1971-02-27 | 1971-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-28 | 1975-02-27 | 1975-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-28 | 1979-02-27 | 1979-08-29 | $7700.00 | Window Closed / Lapsed |