← Back to Patent Explorer
US3206390A Expired / Lapsed US ⏱️ 0.0 years remaining

Fluids handling

Assignee: Phillips Petroleum Co
•
Filing: 1961-06-06
•
Granted: 1965-09-14
•
Expires: 1981-06-06
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Joe Van Pool

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 09:40
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/54; C07C2/56; C07C2/58; C07C2/62; C07C2527/00; C07C2527/06; C07C2527/08; C07C2527/12; C07C2527/1206; Y; Y10; Y10S; Y10S208/00; Y10S208/01

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 131 words
IN AN HF-ALKYLATION OPERATION WHEREIN THERE ARE OBTAINED IN A STREAM VAPOROUS LIGHT HYDROCARBONS AND HFACID THOSE STEPS IN COMBINATION WHICH CONSIST ESSENTIALLY OF FEEDING ONLY SAID VAPOROUS STREAM TO A LIQUID KNOCKOUT ZONE, IN SAID ZONE REMOVING LIQUID FROM SAID STREAM, PASSING THE REMAINDER OF SAID STREAM CONTAIING HYDROCARBONS TO A NEUTRALIZING ZONE, SAID KNOCKOUT AND SAID NEUTRALIZING ZONES BEING MAINTAINED CONTINUOUSLY IN OPEN VAPOR COMMUNICATION WITH EACH OTHER, THEREIN TREATING SAID STREAM WITH AN AQUEOUS NEUTRALIZING SOLUTION, AND ALSO FEEDING INTO SAID LIQUID KNOCKOUT ZONE A DRY FUEL GAS IN A QUANTITY SUFFICIENT TO MAINTAIN BETWEEN SAID ZONES A PREDETERMINED DESIRED FLOW OF VAPOROUS HYDROCARBONS WHEREBY TO PREVENT BACKFLOW OF WATER VAPOR BY WAY OF SAID CONTINUOUSLY OPEN VAPOR COMMUNICATION FROM THE NEUTRALIZING ZONE INTO THE LIQUID KNOCKOUT ZONE.
Claim 2
Dependent Claim 131 words
IN AN HF-ALKYLATION OPERATION WHEREIN THERE ARE OBTAINED IN A STREAM VAPOROUS LIGHT HYDROCARBONS AND HFACID THOSE STEPS IN COMBINATION WHICH CONSIST ESSENTIALLY OF FEEDING ONLY SAID VAPOROUS STREAM TO A LIQUID KNOCKOUT ZONE, IN SAID ZONE REMOVING LIQUID FROM SAID STREAM, PASSING THE REMAINDER OF SAID STREAM CONTAIING HYDROCARBONS TO A NEUTRALIZING ZONE, SAID KNOCKOUT AND SAID NEUTRALIZING ZONES BEING MAINTAINED CONTINUOUSLY IN OPEN VAPOR COMMUNICATION WITH EACH OTHER, THEREIN TREATING SAID STREAM WITH AN AQUEOUS NEUTRALIZING SOLUTION, AND ALSO FEEDING INTO SAID LIQUID KNOCKOUT ZONE A DRY FUEL GAS IN A QUANTITY SUFFICIENT TO MAINTAIN BETWEEN SAID ZONES A PREDETERMINED DESIRED FLOW OF VAPOROUS HYDROCARBONS WHEREBY TO PREVENT BACKFLOW OF WATER VAPOR BY WAY OF SAID CONTINUOUSLY OPEN VAPOR COMMUNICATION FROM THE NEUTRALIZING ZONE INTO THE LIQUID KNOCKOUT ZONE.

References Cited (Backward Citations)

US2705216A Cited
US2277387A Cited
US2398496A Cited
US2504464A Cited
US2615928A Cited
US2697685A Cited
US2757067A Cited
US2770584A Cited
US2890156A Cited
US2905627A Cited
US2934491A Cited
US2893845A Cited
US2978063A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-09-13 1969-03-15 1969-09-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-09-13 1973-03-15 1973-09-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-09-13 1977-03-15 1977-09-14 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag