Patent US3824178A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3824178A Expired / Lapsed US ⏱️ 0.0 years remaining

Hydrocracking petroleum and related materials

Assignee: Shell USA Inc
•
Filing: 1973-04-27
•
Granted: 1974-07-16
•
Expires: 1993-04-27
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract HIGHER MOLECULAR WEIGHT HYDROCARBBONACEOUS MATERIALS CONTAINING POLYNUCLEAR SUBSTANCES, SUCH AS HEAVY PETROLEUM CRUDES AND HIGHER BOILING PETROLEUM FRACTIONS, INCLUDING RESIDUAL FRACTIONS, SHALE OIL, TAR SAND OIL, OIL AND TAR FROM COAL AND COAL ITSELF ARE HYDROCRACKD AT AN ELEVATED TEPERATURE RANGING FROM 250*C. TO 500*C. AND IN THE PRESENCE OF HYDROGEN AT A HPRESSURE OF 200 TO 3000 P.S.I.G., WHILE INTIMATELY MIXED WITH A HOMOGENEOUS CONTINUOUS LIQUID PHASE CATALYST SYSTEM COMPRISING PREDOMINATELY ONE OR MORE PHOSPHORIC ACIDS THERMALLY STABLE UNDER THE HYDROCRACKING CONDITIONS, SUCH AS, PYROPHOSPHORIC ACID AND POLYPHOSPHORIC ACIDS HAVING AN EMPIRICAL ACID AND H2O:P2O5 OF 3 OR LESS, ANDA MINOR PROPORTION, E.G., 10% BY WEIGHT OF CERTAIN METAL POLYHALIDES WHICH ARE ACTIVE HYDROCRACKING CATALYST, E.G., ESPECIALLY ZINC, GALLIUM AND ANTIMONY HALIDES.

Inventors

  • 👤 M Wald

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 19:40
CPC Classifications
B; B01; B01J; B01J37/00; B01J37/28; B01J23/00; B01J23/06; B01J23/16; B01J23/18; B01J27/00; B01J27/14; B01J27/16; B01J27/18; B01J27/1802; B01J35/00; B01J35/20; B01J35/27; C; C10; C10G; C10G47/00; C10G47/02; C10G47/08

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-07-15 1978-01-14 1978-07-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-07-15 1982-01-14 1982-07-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-07-15 1986-01-14 1986-07-16 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag