Patent US2523549A successfully refreshed from Google Patents.
US2523549A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Deoxygenation of hydrocarbons
Assignee: Phillips Petroleum Co
•
Filing: 1946-06-10
•
Granted: 1950-09-26
•
Expires: 1966-06-10
Abstract
No abstract record available.
Inventors
- 👤 William N Axe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:44
CPC Classifications
B; B01; B01J; B01J31/00; B01J31/16; B01J31/1616; B01J31/18; B01J31/1805; B01J31/22; B01J31/2204; B01J31/2208; B01J31/2226; B01J31/2243; B01J31/40; B01J31/4015; B01J31/4023; B01J31/403; C; C10; C10G; C10G25/00; C10G25/02; C10G29/00; C10G29/20; B01J2531/00; B01J2531/02; B01J2531/0238; B01J2531/0241; B01J2531/0252; B01J2531/80; B01J2531/84; B01J2531/845; B01J2540/00; B01J2540/20; B01J2540/22; B01J31/26; B01J31/28; B01J31/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
A PROCESS FOR REMOVING FREE AND LOOSELY COMBINED OXYGEN FROM A LIQUID HYDROCARBON STREAM FREE FROM HYDROGEN SULFIDE, MERCAPTANS AND WATER AND CONTAINING NOT MORE THAN 10 C.C. OF SAID OXYEN PER LITER OF SAID HYDROCARBON STREAM WHICH COMPRISES: PASSING SAID HYDROCARBON STREAM INTO AN OXYGEN REMOVAL ZONE; THEREIN INTIMATELY CONTACTING SAID STREAM AT A TEMPERATURE OF FROM 32* F. TO 115* F. AND UNDER PRESSURE OF FROM ATMOSPHERIC TO 100 POUNDS PER SQUARE INCH GAUGE WITH A SOLID REAGENT COMPRISING A DISALICYLALETHYLENEDIIMINE-COBALT SUPPORTED ON A POROUS, INERT, GRANULAR MATERIAL, AND PREPARED BY IMPREGNATING SAID GRANULAR MATERIAL WITH A SCHIFF''S BASE CORRESPONDING TO SAID COMPOUND DESIRED, CONTACTING SAID IMPREGNATED CARRIER WITH A DILUTE COBALTOUS CHLORIDE SOLUTION WHEREBY THE DISALICYLALETHYLENEDIIMINE-COBALT COMPOUND IS FORMED IN SITU WITHIN THE PORES AND ON THE SURFACE OF THE CARRIER MATERIAL.
Claim 2
Dependent Claim
135 words
A PROCESS FOR REMOVING FREE AND LOOSELY COMBINED OXYGEN FROM A LIQUID HYDROCARBON STREAM FREE FROM HYDROGEN SULFIDE, MERCAPTANS AND WATER AND CONTAINING NOT MORE THAN 10 C.C. OF SAID OXYEN PER LITER OF SAID HYDROCARBON STREAM WHICH COMPRISES: PASSING SAID HYDROCARBON STREAM INTO AN OXYGEN REMOVAL ZONE; THEREIN INTIMATELY CONTACTING SAID STREAM AT A TEMPERATURE OF FROM 32* F. TO 115* F. AND UNDER PRESSURE OF FROM ATMOSPHERIC TO 100 POUNDS PER SQUARE INCH GAUGE WITH A SOLID REAGENT COMPRISING A DISALICYLALETHYLENEDIIMINE-COBALT SUPPORTED ON A POROUS, INERT, GRANULAR MATERIAL, AND PREPARED BY IMPREGNATING SAID GRANULAR MATERIAL WITH A SCHIFF''S BASE CORRESPONDING TO SAID COMPOUND DESIRED, CONTACTING SAID IMPREGNATED CARRIER WITH A DILUTE COBALTOUS CHLORIDE SOLUTION WHEREBY THE DISALICYLALETHYLENEDIIMINE-COBALT COMPOUND IS FORMED IN SITU WITHIN THE PORES AND ON THE SURFACE OF THE CARRIER MATERIAL.
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) | 1953-09-25 | 1954-03-27 | 1954-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-25 | 1958-03-27 | 1958-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-25 | 1962-03-27 | 1962-09-26 | $7700.00 | Window Closed / Lapsed |