US3223747A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous fixed bed vapor-liquid partition chromatograph
Assignee: Sunoco Inc
•
Filing: 1961-08-01
•
Granted: 1965-12-14
•
Expires: 1981-08-01
Abstract
No abstract record available.
Inventors
- 👤 Byron B Bohrer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:24
CPC Classifications
B; B01; B01J; B01J20/00; B01J20/281; B01J20/292; B01J20/30; B01J20/32; B01J20/3202; B01J20/3204; B01J20/3231; B01J20/3242; B01J20/3244; B01J20/3246; B01J20/3248; B01J20/3253; B01J20/3287; B01J2220/00; B01J2220/50; B01J2220/54; Y; Y10; Y10S; Y10S585/00; Y10S585/949; Y10S585/953
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
A CONTINUOUS PROCESS FOR SEPARATING MILTICOMPONENT MIXTURE OF MISICIBLE ORGANIC LIQUIDS INTO TWO SEPARATE FRACTIONS BY PARTITION CHAROMATOGRAPHY WHICH COMPRISES (A) CONTINUOUSLY FEEDING A MULTICOMPONENT MIXTURE OF MISCIBLE ORGANIC LIQUIDS INTO A SEPARATION ZONE CONTAINING A FIXED FORAMINOUS BODY OF SOLID INERT PARTICLES HAVING THEREON A LIQUID COATING SELECTIVE FOR ONE FRACTION OF SAID MISCIBLE ORGANIC LIQUID MIXTURE: (B) CONTINUOUSLY SEPARATING THE LIQUID MIXTURE INTO TWO FRACTIONS BY PASSING THROUGH SAID SEPARATION ZONE AN INERT CARRIER GAS WHICH SELECTIVELY CARRIES THE UNADSORBED FRACTION OF THE MISIBLE LIQUID MIXTURE TO ONE END OF SAID ZONE; (C) IMPOSING A CYCLIC VOLUME PULSE ON SAID ZONE TO ALTERNATELY REVERSE THE FLOW DIRECTION OF THE CARRIER GAS WITHIN SAID ZONE WHEREBY ADSORBED FRACTION
Claim 2
Dependent Claim
119 words
A CONTINUOUS PROCESS FOR SEPARATING MILTICOMPONENT MIXTURE OF MISICIBLE ORGANIC LIQUIDS INTO TWO SEPARATE FRACTIONS BY PARTITION CHAROMATOGRAPHY WHICH COMPRISES (A) CONTINUOUSLY FEEDING A MULTICOMPONENT MIXTURE OF MISCIBLE ORGANIC LIQUIDS INTO A SEPARATION ZONE CONTAINING A FIXED FORAMINOUS BODY OF SOLID INERT PARTICLES HAVING THEREON A LIQUID COATING SELECTIVE FOR ONE FRACTION OF SAID MISCIBLE ORGANIC LIQUID MIXTURE: (B) CONTINUOUSLY SEPARATING THE LIQUID MIXTURE INTO TWO FRACTIONS BY PASSING THROUGH SAID SEPARATION ZONE AN INERT CARRIER GAS WHICH SELECTIVELY CARRIES THE UNADSORBED FRACTION OF THE MISIBLE LIQUID MIXTURE TO ONE END OF SAID ZONE; (C) IMPOSING A CYCLIC VOLUME PULSE ON SAID ZONE TO ALTERNATELY REVERSE THE FLOW DIRECTION OF THE CARRIER GAS WITHIN SAID ZONE WHEREBY ADSORBED FRACTION
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) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |