US2596785A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of enriching natural gas
Assignee: JF Pritchard and Co
•
Filing: 1946-07-08
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Granted: 1952-05-13
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Expires: 1966-07-08
Abstract
No abstract record available.
Inventors
- 👤 Jr Henry Meredith Nelly
- 👤 Sullivan Thomas Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:30
CPC Classifications
C; C10; C10K; C10K3/00; C10K3/06; Y; Y10; Y10S; Y10S62/00; Y10S62/926
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A METHOD OF ENRICHING THE B.T.U. CONTENT OF NATURAL GAS INCLUDING CONTACTING THE GAS WITH AN ABORBING LIQUID, COOLING THE MIXTURE FOR EFFECTING CONDENSATION OF ANS SOLUTION IN THE ABSORBING LIQUID OF A PORTION OF THE GAS, SEPARATING THE LIQUID FROM THE RESIDUE GAS, ADDITIONALLY COOLING THE RESIDUE GAS, PASSING THE RESIDUE GAS IN COUNTERFLOW WITH THE LIQUID TO EFFECT FURTHER ABSORPTION OF THE METHANE AND HEAVIER CONSTITUENTS FROM THE RESIDUE GAS, AND FRACTIONATING THE LIQUID TO OBTAIN A GAS FRACTION HAVING A RELATIVELY HIGH B.T.U. CONTENT.
Claim 2
Independent Claim
87 words
A METHOD OF ENRICHING THE B.T.U. CONTENT OF NATURAL GAS INCLUDING CONTACTING THE GAS WITH AN ABORBING LIQUID, COOLING THE MIXTURE FOR EFFECTING CONDENSATION OF ANS SOLUTION IN THE ABSORBING LIQUID OF A PORTION OF THE GAS, SEPARATING THE LIQUID FROM THE RESIDUE GAS, ADDITIONALLY COOLING THE RESIDUE GAS, PASSING THE RESIDUE GAS IN COUNTERFLOW WITH THE LIQUID TO EFFECT FURTHER ABSORPTION OF THE METHANE AND HEAVIER CONSTITUENTS FROM THE RESIDUE GAS, AND FRACTIONATING THE LIQUID TO OBTAIN A GAS FRACTION HAVING A RELATIVELY HIGH B.T.U. CONTENT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-13 | 1955-11-12 | 1956-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-13 | 1959-11-12 | 1960-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-13 | 1963-11-12 | 1964-05-13 | $7700.00 | Window Closed / Lapsed |