Patent US2877101A successfully refreshed from Google Patents.
US2877101A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid-liquid contacting system
Assignee: Phillips Petroleum Co
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Filing: 1956-08-13
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Granted: 1959-03-10
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Expires: 1976-08-13
Abstract
No abstract record available.
Inventors
- 👤 Walter T Rector
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:02
CPC Classifications
B; B01; B01D; B01D47/00; B01D11/00; B01D11/04; B01D11/0426; B01D11/0488
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
A CONTINOUS MULTI-STAGE FLUID-LIQUID CONTACTING OPERATION COMPRISING WITHDRAWING A PREVIOUSLY USED CONTACTING LIQUID FROM A FIRST RUN STORAGE ZONE IN THE ABSENCE OF INTRODUCTION OF CONTACTING LIQUID INTO SAID FIRST RUN STORAGE ZONE, INTRODUCING A FLUID, AND A PORTION OF A SECOND QUANTITY OF SAID CONTACTING LIQUID FROM A SECOND RUN STORAGE ZONE DIRECTLY INTO A FIRST CONTACTING ZONE, PASSING FLUID FROM SAID FIRST CONTACTING ZONE, AND ANOTHER PORTION OF CONTACTING LIQUID DIRECTLY FROM ASID SECOND STORAGE ZONE INTO A SECOND CONTACTING ZONE, REMOVING FLUID FROM THIS LATTER CONTACTING ZONE AS THE PRODUCT OF THE OPERATION, PASSING SAID CONTACTING LIQUID FROM SAID FRIST AND SAID SECOND CONTACTING ZONES INTO SAID SECOND RUN STORAGE ZONE, UPON SUBSTANTIAL COMPLETION OF WITHDRAWAL OF CONTACTING LIQUID FROM SAID FIRST STORAGE ZONE PASSING SAID CONTACTING LIQUID FROM SAID FIRST CONTACTING ZONE INTO SAID FIRST STORAGE ZONE UNTIL SAID SECOND STORAGE ZONE IS SUBSTANTIALLY DEPLETED OF CONTACTING LIQUID THEN PASSING CONTACTING LIQUID FROM SAID FIRST STORAGE ZONE TO SAIC FIRST CONTACTING ZONE AND INTRODUCING FRESH CONTACTING LIQUID INTO SAID SECOND CONTACTING ZONE.
Claim 2
Dependent Claim
176 words
A CONTINOUS MULTI-STAGE FLUID-LIQUID CONTACTING OPERATION COMPRISING WITHDRAWING A PREVIOUSLY USED CONTACTING LIQUID FROM A FIRST RUN STORAGE ZONE IN THE ABSENCE OF INTRODUCTION OF CONTACTING LIQUID INTO SAID FIRST RUN STORAGE ZONE, INTRODUCING A FLUID, AND A PORTION OF A SECOND QUANTITY OF SAID CONTACTING LIQUID FROM A SECOND RUN STORAGE ZONE DIRECTLY INTO A FIRST CONTACTING ZONE, PASSING FLUID FROM SAID FIRST CONTACTING ZONE, AND ANOTHER PORTION OF CONTACTING LIQUID DIRECTLY FROM ASID SECOND STORAGE ZONE INTO A SECOND CONTACTING ZONE, REMOVING FLUID FROM THIS LATTER CONTACTING ZONE AS THE PRODUCT OF THE OPERATION, PASSING SAID CONTACTING LIQUID FROM SAID FRIST AND SAID SECOND CONTACTING ZONES INTO SAID SECOND RUN STORAGE ZONE, UPON SUBSTANTIAL COMPLETION OF WITHDRAWAL OF CONTACTING LIQUID FROM SAID FIRST STORAGE ZONE PASSING SAID CONTACTING LIQUID FROM SAID FIRST CONTACTING ZONE INTO SAID FIRST STORAGE ZONE UNTIL SAID SECOND STORAGE ZONE IS SUBSTANTIALLY DEPLETED OF CONTACTING LIQUID THEN PASSING CONTACTING LIQUID FROM SAID FIRST STORAGE ZONE TO SAIC FIRST CONTACTING ZONE AND INTRODUCING FRESH CONTACTING LIQUID INTO SAID SECOND CONTACTING ZONE.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-09 | 1962-09-08 | 1963-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-09 | 1966-09-08 | 1967-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-09 | 1970-09-08 | 1971-03-10 | $7700.00 | Window Closed / Lapsed |