Patent US5229744A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3583902A Expired / Lapsed US ⏱️ 0.0 years remaining

Two-stage conversion process

Assignee: Atlantic Richfield Co
•
Filing: 1969-05-06
•
Granted: 1971-06-08
•
Expires: 1989-05-06
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract HIGH PRESSURE TO HYDROCRACKING IN THE PRESENCE OF HYDROGEN AND A CATALYST, TO PRODUCE A HYDROCRACKED PRODUCT AND THEN SUBJECTING THE HYDROCRACKED PLRODUCT TO HYDRODESULFURIZATION AT A HIGH TEMPERATURE AND HIGH PRESSURE IN THE PRESENCE OF HYDROGEN AND A HIGHLY ACTIVE CATALYST AND RECOVERING THE PRODUCTS THUS PRODUCED. THIS INVENTION RELATES TO A TWO-STAGE PROCESS FOR TREATING A PETROLEUM MATERIAL CONTAINING A RESIDUUM FRACTION IN ORDER TO REMOVE SULFUR AND METAL COMPOUNDS CONTAINED THEREIN AND TO PRODUCE A NAPHTHA FRACTION SUITABLE FOR USE AS AN ETHYLENE CHARGE STOCK, A LOW SULFUR CONTENT FURNACE OIL AND A LOW SULFUR CONTENT FUEL OIL COMPRISING SUBJECTING SAID PETROLEUM MATERIAL AT A HIGH TEMPERATURE AND

Inventors

  • 👤 George P Masologites
  • 👤 Harry E Jacobs
  • 👤 Paul J White

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 21:41
CPC Classifications
C; C10; C10G; C10G65/00; C10G65/02; C10G65/12; C10G2300/00; C10G2300/10; C10G2300/107

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) 1974-06-07 1974-12-07 1975-06-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-06-07 1978-12-07 1979-06-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-06-07 1982-12-07 1983-06-08 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag