US2909905A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for processing a natural gas stream
Assignee: Black Sivalls and Bryson Inc
•
Filing: 1957-06-05
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Granted: 1959-10-27
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Expires: 1977-06-05
Abstract
No abstract record available.
Inventors
- 👤 Kenneth G Mitchell
- 👤 Robert E Mcminn
- 👤 Lawton L Laurence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:49
CPC Classifications
F; F25; F25J; F25J3/00; F25J3/06; C; C10; C10G; C10G5/00; C10G5/06; F25J2210/00; F25J2210/60; F25J2270/00; F25J2270/90; F25J2270/906
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
174 words
THE METHOD OF PROCESSING A HYDROCARBON FLUID STREAM COMPRISING, DIVIDING SAID FLUID STREAM INTO A FIRST STREAM AND A SECOND STREAM, PRECOOLING SAID FIRST STREAM AND SAID SECOND STREAM, RECOMBINING SAID FIRST AND SAID SECOND STREAM, COOLING SAID RECOMBINED STREAM, SEPARATING THE CONDENSED LIQUIDS FROM SAID RECOMBINED STREAM, FLOWING SAID SEPARATED LIQUIDS INTO HEAT EXCHANGE REALTION WITH SAID SECOND STREAM TOI PRECOOL SAID SECOND STREAM, FLOWING THE LIQUID-FREE FLUID STREAM INTO LEAT EXCHANGE RELATIION WITH SAID FIRST STREAM TO PRECOOL SAID FIRST STREAM, FLOWING SAID SEPARATED LIQUIDS INTO HEAT EXCHANGE RELATION WITH REFRIGERANT VAPOR TO CONDENSE SAID REFRIGERANT VAPOR, EXPANDING SAID CONDENSED REFRIGERANT, FLOWING SAID EXPANDED REFRIGERANT INTO HEAT EXCHANGE RELATION WITH SAID FLUID STREAM TO PROVIDE SAID COOLING OF SAID FLUID STREAM, ABSORBING SAID EXPANDED REFRIGERANT WITH AN ABSORBENT LIQUID, HEATING SAID ABSORBENT LIQUID TO VAPORIZE SAID ABSORBED REFRIGERANT, FLOWING SAID REFRIGERANT VAPORS INTO HEAT EXCHANGE RELATION WITH SAID SEPARATED LIQUIDS TO CONDENSE SAID REFRIGERANT VAPORS, FLOWING SAID LIQUID-FREE FLUID STREAM INTO HEAT EXCHANGE RELATION WITH SAID ABSORBENT LIQUID TO COOL SAID LIQUID.
Claim 2
Independent Claim
174 words
THE METHOD OF PROCESSING A HYDROCARBON FLUID STREAM COMPRISING, DIVIDING SAID FLUID STREAM INTO A FIRST STREAM AND A SECOND STREAM, PRECOOLING SAID FIRST STREAM AND SAID SECOND STREAM, RECOMBINING SAID FIRST AND SAID SECOND STREAM, COOLING SAID RECOMBINED STREAM, SEPARATING THE CONDENSED LIQUIDS FROM SAID RECOMBINED STREAM, FLOWING SAID SEPARATED LIQUIDS INTO HEAT EXCHANGE REALTION WITH SAID SECOND STREAM TOI PRECOOL SAID SECOND STREAM, FLOWING THE LIQUID-FREE FLUID STREAM INTO LEAT EXCHANGE RELATIION WITH SAID FIRST STREAM TO PRECOOL SAID FIRST STREAM, FLOWING SAID SEPARATED LIQUIDS INTO HEAT EXCHANGE RELATION WITH REFRIGERANT VAPOR TO CONDENSE SAID REFRIGERANT VAPOR, EXPANDING SAID CONDENSED REFRIGERANT, FLOWING SAID EXPANDED REFRIGERANT INTO HEAT EXCHANGE RELATION WITH SAID FLUID STREAM TO PROVIDE SAID COOLING OF SAID FLUID STREAM, ABSORBING SAID EXPANDED REFRIGERANT WITH AN ABSORBENT LIQUID, HEATING SAID ABSORBENT LIQUID TO VAPORIZE SAID ABSORBED REFRIGERANT, FLOWING SAID REFRIGERANT VAPORS INTO HEAT EXCHANGE RELATION WITH SAID SEPARATED LIQUIDS TO CONDENSE SAID REFRIGERANT VAPORS, FLOWING SAID LIQUID-FREE FLUID STREAM INTO HEAT EXCHANGE RELATION WITH SAID ABSORBENT LIQUID TO COOL SAID LIQUID.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-26 | 1963-04-27 | 1963-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-26 | 1967-04-27 | 1967-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-26 | 1971-04-27 | 1971-10-27 | $7700.00 | Window Closed / Lapsed |