Patent US3716128A successfully refreshed from Google Patents.
Patent EP0267974A1 successfully refreshed from Google Patents.
Patent US2826266A successfully refreshed from Google Patents.
US2826266A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Removal of co2 from natural gas
Assignee: Phillips Petroleum Co
•
Filing: 1956-07-30
•
Granted: 1958-03-11
•
Expires: 1976-07-30
Abstract
No abstract record available.
Inventors
- 👤 Karl H Hachmuth
- 👤 Richard D Kuerston
- 👤 Robert L Mcintire
- 👤 Russell O Shelton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:41
CPC Classifications
F; F25; F25J; F25J3/00; F25J3/02; F25J3/0204; F25J3/0209; B; B01; B01D; B01D53/00; B01D53/14; B01D53/1456; B01D53/1475; B01D53/1493; F25J3/0228; F25J3/0233; F25J3/0266; F25J2205/00; F25J2205/02; F25J2205/04; F25J2205/20; F25J2205/50; F25J2220/00; F25J2220/80; F25J2220/82; F25J2220/84; F25J2290/00; F25J2290/40; Y; Y02; Y02C; Y02C20/00; Y02C20/40; Y10; Y10S; Y10S62/00; Y10S62/926; Y10S62/928; Y10S62/929
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A METHOD FOR UPGRADING THE METHANE CONTENT OF A NATURAL GAS CONTAINING CARBON DIOXIDE COMPRISING CONTACTING SAID NATURAL GAS WITH LIQUEFIED NTURAL GASOLINE BOILING RANGE HYDROCARBONS AT A TEMPERATURE BELOW NORMAL ATMOSPHERIC TEMPERATURE AND AT A PRESSURE ABOVE NORMAL ATMOSPHERIC PRESSURE, FROM THIS OPERATION RECOVERING A RESIDUE GAS OF METHANE CONTANT HIGHER THAN THE METHANE CONTENT OF THE NATURAL GAS FED TO THE OPERATION AS THE MAIN PRODUCT OF THE PROESS AND SAID LIQUEFIED NATURAL GASOLINE BOILING RANGE HYDROCARBONS CONTAONING DISSOLVED CARBON DIOXIDE, FROM THIS LATTER PRODUCT SEPARATING THE CARBON DIOXIDE FROM THE LIQUEFIED NATURAL GASOLINE BOLING RANGE HYDROCARBONS AS ANOTHER PRODUCT OF THE PROCESS, RETURNING THE LIQUEFIED NATURAL GSASOLINE BOILING RANGE HYDROCARBONS FREED OF CARBON DIOXIDE TO THE CONTACTING OPERATION AS THE FIRST MENTIONED LIQUEFIED NATURAL GASOLINE BOILING RANGE HYDROCARBONS.
Claim 2
Independent Claim
131 words
A METHOD FOR UPGRADING THE METHANE CONTENT OF A NATURAL GAS CONTAINING CARBON DIOXIDE COMPRISING CONTACTING SAID NATURAL GAS WITH LIQUEFIED NTURAL GASOLINE BOILING RANGE HYDROCARBONS AT A TEMPERATURE BELOW NORMAL ATMOSPHERIC TEMPERATURE AND AT A PRESSURE ABOVE NORMAL ATMOSPHERIC PRESSURE, FROM THIS OPERATION RECOVERING A RESIDUE GAS OF METHANE CONTANT HIGHER THAN THE METHANE CONTENT OF THE NATURAL GAS FED TO THE OPERATION AS THE MAIN PRODUCT OF THE PROESS AND SAID LIQUEFIED NATURAL GASOLINE BOILING RANGE HYDROCARBONS CONTAONING DISSOLVED CARBON DIOXIDE, FROM THIS LATTER PRODUCT SEPARATING THE CARBON DIOXIDE FROM THE LIQUEFIED NATURAL GASOLINE BOLING RANGE HYDROCARBONS AS ANOTHER PRODUCT OF THE PROCESS, RETURNING THE LIQUEFIED NATURAL GSASOLINE BOILING RANGE HYDROCARBONS FREED OF CARBON DIOXIDE TO THE CONTACTING OPERATION AS THE FIRST MENTIONED LIQUEFIED NATURAL GASOLINE BOILING RANGE HYDROCARBONS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-10 | 1961-09-09 | 1962-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-10 | 1965-09-09 | 1966-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-10 | 1969-09-09 | 1970-03-11 | $7700.00 | Window Closed / Lapsed |