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US3218267A Expired / Lapsed US ⏱️ 0.0 years remaining

Preparation of catalyst by treatment of alumina with thionyl chloride

Assignee: BP PLC
•
Filing: 1963-06-13
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Granted: 1965-11-16
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Expires: 1983-06-13
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Abstract

No abstract record available.

Inventors

  • 👤 Goble Anthony George
  • 👤 Haresnape John Norman
  • 👤 O'may Thomas Campbell

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 15:36
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/22; C07C5/27; C07C5/2702; C07C5/2724; B; B01; B01J; B01J23/00; B01J23/38; B01J23/40; B01J37/00; B01J37/22; B01J37/24; C07C5/2767; C07C5/277; C07C5/2791

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 49 words
A METHOD OF PREPARING A CATALYST, SUITABLE FOR USE IN HYDROCARBON CONVERSION PROCESES, COMPRISING CONTACTING ALUMINA WITH THIONYL CHLORIDE UNDER NON-REDUCING CONDITIONS AND AT A TEMPERATURE OF FROM 300 TO 1100* F. SUCH TAHT CHLORINE IS TAKEN UP BY THE ALUMINA WITH OUT THE PRODUCTION OF FREE ALUMINIUM CHLORIDE.
Claim 2
Independent Claim 49 words
A METHOD OF PREPARING A CATALYST, SUITABLE FOR USE IN HYDROCARBON CONVERSION PROCESES, COMPRISING CONTACTING ALUMINA WITH THIONYL CHLORIDE UNDER NON-REDUCING CONDITIONS AND AT A TEMPERATURE OF FROM 300 TO 1100* F. SUCH TAHT CHLORINE IS TAKEN UP BY THE ALUMINA WITH OUT THE PRODUCTION OF FREE ALUMINIUM CHLORIDE.

References Cited (Backward Citations)

US3003972A Cited
US3000838A Cited
US3116259A Cited
FR1299388A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-11-15 1969-05-17 1969-11-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-11-15 1973-05-17 1973-11-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-11-15 1977-05-17 1977-11-16 $7700.00 Window Closed / Lapsed

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