Patent US3200556A successfully refreshed from Google Patents.
Patent US3168585A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3168585A Expired / Lapsed US ⏱️ 0.0 years remaining

Separation of a dispersed liquid hydrocarbon phase from an immiscible liquid phase

Assignee: Phillips Petroleum Co
•
Filing: 1961-05-26
•
Granted: 1965-02-02
•
Expires: 1981-05-26
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 William C Mccarthy

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 08:49
CPC Classifications
C; C10; C10G; C10G17/00; C10G17/02; C10G17/04; C10G17/06; C07; C07C; C07C7/00; C07C7/148; C07C7/17; C07C7/171

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 151 words
A PROCESS OF SEPARATING TERTIARY AMYLENES FROM A HYDROCARBON MIXTURE CONTAINING SAID TERTIARY AMYLENES AND OTHER C5 HYDROCARBONS WHICH COMPRISES CONTACTING SAID MIXTURE WITH AN AQUEOUS SULFURIC ACID IN AN ABSORPTION ZONE, SAID AQUEOUS SULFURIC ACID HAVING AN ACID CONCENTRATION IN THE RANGE OF 50-70 WEIGHT PERCENT, MAINTAINING THE TEMPERATURE OF SAID ABSORPTION ZONE BELOW 100*F., PASSING A SECOND MIXTURE COMPRISED OF IMMISCIBLE HYDROCARBON AND SULFURIC ACID PHASES FROM SAID ABSORPTION ZONE TO A CONTACT ZONE, CONTACTING SAID SECOND MIXTURE IN SAID CONTACT ZONE WITH A PORTION OF SAID IMMISCIBLE LIQUID HYDROCARBON WITHDRAWN FROM A SEPARATION ZONE SUFFICIENT TO PRODUCE A THIRD LIQUID MIXTURE COMPRISED OF A SULFURIC ACID PHASE DISPERSED IN AN IMMISCIBLE HYDROCARBON PHASE, PASSING SAID THIRD MIXTURE FROM SAID CONTACT ZONE TO SAID SEPARATION ZONE, WITHDRAWING FROM SAID SEPARATION ZONE SAID IMMISCIBLE LIQUID HYDROCARBON, AND WITHDRAWING FROM SAID SEPARATION ZONE A SULFURIC ACID PHASE CONTAINING ABSORBED TERTIARY AMYLENES.

References Cited (Backward Citations)

US2509885A Cited
US2968682A Cited
US2958715A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-02-02 1968-08-03 1969-02-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-02-02 1972-08-03 1973-02-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-02-02 1976-08-03 1977-02-02 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag