US3049909A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sampling system for ammoniacontaining gases
Assignee: Phillips Petroleum Co
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Filing: 1959-10-05
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Granted: 1962-08-21
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Expires: 1979-10-05
Abstract
No abstract record available.
Inventors
- 👤 John C Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:19
CPC Classifications
G; G01; G01N; G01N30/00; G01N30/02; G01N30/26; G01N30/38; G01N30/46; G01N30/468; G01N1/00; G01N1/28; G01N1/40; G01N1/405; G01N30/04; G01N30/06; G01N30/08; G01N2030/085; G01N30/461; G01N30/466
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
317 words
APPARATUS FOR ANALYZING A FLUID MIXTURE COMPRISING A FIRST AND SECOND ADSORPTION COLUMN FILLED WITH A MATERIAL WHICH SELECTIVELY ADSROBS ONE OR MORE OF THE CONSTITUENTS OF SAID FLUID MIXTURE, A FIRST SAMPLE INLET CONDUIT COMMUNICATING WITH THE INLET OF SAID FIRST ADSORPTION COLUMN, A SECOND SAMPLE INLET CONDUIT COMMUNICATING WITH THE INLET OF SAID SECOND ADSORPTION COLUMN, A FIRST REGENERATION GAS INLET CONDUIT COMMUNICATING WITH THE INLET OF SAID FIRST ABSORPTION COLUMN, A SECOND REGENERATING GAS INLET CONDUIT COMMUNICATING WITH THE INLET OF SAID SECOND ADSORPTION COLUMN, A FIRST OULET CONDUIT ON SAID FIRST ADSORPTION COLUMN COMMUNICATING WITH A SAMPLE INLET CONDUIT ON A CHROMATOGRAPHIC COLUMN, SAID FIRST OUTLET CONDUIT ON SAID FIRST ADSORPTION COLUMN ALSO COMMUNICATING WITH A VENT CONDUIT, A FIRST OUTLET CONDUIT ON SAID SECOND ADSORPTION COLUMN COMMUNICATING WITH SAID SAMPLE INLET CONDUIT ON SAID CHROMATOGRAPHIC COLUMN, SAID FIRST OUTLET CONDUIT ON SAID SECOND ADSORPTION COLUMN ALSO COMMUNICATING WITH A VENT OUTLET, SAID SAMPLE INLET CONDUIT ON SAID CHROMATOGRAPHIC COLUMN HAVING A VENT CONDUIT AND A PNEUMATIC VALVE THEREIN, A CARRIER GAS INLET CONDUIT COMMUNICATING WITH THE INLET OF SAID CHROMATOGRAPHIC COLUMN, SAID CARRIER GAS INLET CONDUIT HAVING A FLOW CONTROLLER AND A FIRST THERMAL CONDUCTIVITY CELL THEREIN, SAID CHROMATOGRAPHIC COLUMN IN COMMUNICATION WITH AN OUTLET VENT CONDUIT HAVING A SECOND THERMAL CONDUCTIVITY CELL THEREIN, SAID THERMAL CONDUCTIVITY CELLS HAVING THERMISTORS THEREIN, THE TERMINALS OF SAID THERMISTORS BEING IN THERMAL CONTACT WITH THE GASES FLOWING THROUGH SAID INLET AND OUTLET CONDUITS OF SAID CHROMATOGRAPHIC COLUMN, THE TERMINALS OF SIAD THERMISTORS BEING CONNECTED TO THE TERMINALS OF A MODIFIED WHEATSTONE BRIDGE NETWORK, SAID BRIDGE BEING IN ELECTRICAL COMMUNICATION WITH A RECORDER, A PROGRAMMER OPERATING THE PNEUMATIC VALVES ON THE INLET CONDUITS OF SAID CHROMATOGRAPHIC COLUMN, A TIMER OPERATING THE PNEUMATIC VALVES ON THE INLET AND OUTLET CONDUITS OF SAID ADSORPTION COLUMNS, AND SAID TIMER AND SAID PROGRAMMER BEING IN ELECTRICAL COMMUNICATION WITH ONE ANOTHER.
Claim 2
Dependent Claim
317 words
APPARATUS FOR ANALYZING A FLUID MIXTURE COMPRISING A FIRST AND SECOND ADSORPTION COLUMN FILLED WITH A MATERIAL WHICH SELECTIVELY ADSROBS ONE OR MORE OF THE CONSTITUENTS OF SAID FLUID MIXTURE, A FIRST SAMPLE INLET CONDUIT COMMUNICATING WITH THE INLET OF SAID FIRST ADSORPTION COLUMN, A SECOND SAMPLE INLET CONDUIT COMMUNICATING WITH THE INLET OF SAID SECOND ADSORPTION COLUMN, A FIRST REGENERATION GAS INLET CONDUIT COMMUNICATING WITH THE INLET OF SAID FIRST ABSORPTION COLUMN, A SECOND REGENERATING GAS INLET CONDUIT COMMUNICATING WITH THE INLET OF SAID SECOND ADSORPTION COLUMN, A FIRST OULET CONDUIT ON SAID FIRST ADSORPTION COLUMN COMMUNICATING WITH A SAMPLE INLET CONDUIT ON A CHROMATOGRAPHIC COLUMN, SAID FIRST OUTLET CONDUIT ON SAID FIRST ADSORPTION COLUMN ALSO COMMUNICATING WITH A VENT CONDUIT, A FIRST OUTLET CONDUIT ON SAID SECOND ADSORPTION COLUMN COMMUNICATING WITH SAID SAMPLE INLET CONDUIT ON SAID CHROMATOGRAPHIC COLUMN, SAID FIRST OUTLET CONDUIT ON SAID SECOND ADSORPTION COLUMN ALSO COMMUNICATING WITH A VENT OUTLET, SAID SAMPLE INLET CONDUIT ON SAID CHROMATOGRAPHIC COLUMN HAVING A VENT CONDUIT AND A PNEUMATIC VALVE THEREIN, A CARRIER GAS INLET CONDUIT COMMUNICATING WITH THE INLET OF SAID CHROMATOGRAPHIC COLUMN, SAID CARRIER GAS INLET CONDUIT HAVING A FLOW CONTROLLER AND A FIRST THERMAL CONDUCTIVITY CELL THEREIN, SAID CHROMATOGRAPHIC COLUMN IN COMMUNICATION WITH AN OUTLET VENT CONDUIT HAVING A SECOND THERMAL CONDUCTIVITY CELL THEREIN, SAID THERMAL CONDUCTIVITY CELLS HAVING THERMISTORS THEREIN, THE TERMINALS OF SAID THERMISTORS BEING IN THERMAL CONTACT WITH THE GASES FLOWING THROUGH SAID INLET AND OUTLET CONDUITS OF SAID CHROMATOGRAPHIC COLUMN, THE TERMINALS OF SIAD THERMISTORS BEING CONNECTED TO THE TERMINALS OF A MODIFIED WHEATSTONE BRIDGE NETWORK, SAID BRIDGE BEING IN ELECTRICAL COMMUNICATION WITH A RECORDER, A PROGRAMMER OPERATING THE PNEUMATIC VALVES ON THE INLET CONDUITS OF SAID CHROMATOGRAPHIC COLUMN, A TIMER OPERATING THE PNEUMATIC VALVES ON THE INLET AND OUTLET CONDUITS OF SAID ADSORPTION COLUMNS, AND SAID TIMER AND SAID PROGRAMMER BEING IN ELECTRICAL COMMUNICATION WITH ONE ANOTHER.
References Cited (Backward Citations)
US2813010A
Cited
US2882244A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-20 | 1966-02-19 | 1966-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-20 | 1970-02-19 | 1970-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-20 | 1974-02-19 | 1974-08-21 | $7700.00 | Window Closed / Lapsed |