US2621149A
Expired / Lapsed
US
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Adsorption separation process
Assignee: California Research LLC
•
Filing: 1948-02-21
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Granted: 1952-12-09
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Expires: 1968-02-21
Abstract
No abstract record available.
Inventors
- 👤 John W Scott
- 👤 Eagle Sam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:14
CPC Classifications
C; C10; C10G; C10G25/00; B; B01; B01D; B01D15/00; B01D15/08; B01D15/10; B01D15/18; B01D15/1814; B01D15/1864; B01D15/1871; B01D15/20; B01D15/203; B01J; B01J19/00; B01J47/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
IN AN ADSORPTION SEPARATION PROCESS WHEREIN A SOLID ADSORBENT MASS IS ALTERNATLEY CONTACTED WITH A LIQUID FEED AMENABLE TO SEAPRATION BY SELECTIVE ADSORPTION TO SEPARATE AN ADSORBATE AND A PERCOLATE AND WITH A STRIPPING LIQUID TO REMOVE THE ADSORBATE FROM THE ADSORBENT AND REGENERATE THE ADSORBENT FOR REUSE, THE IMPROVED METHOD WHICH COMPRISES RECYCLING THE FIRST EFFLUENT FROM THE ADSORBENT PRODUCED DURING THE STRIPPING LIQUID CONTACTING STEP, WHICH FIRST EFFLUENT CONSISTS PREDOMINANTLY OF ADSORBATE AND STRIPPING LIQUID AND WHICH CONTAINS SOME PERCOLATE, INTO CONTACT WITH THE ADSORBENT FOLLOWING THE FEED CONTACTING STEP AND PRIOR TO THE STRIPPING LIQUID CONTACTING STEP.
Claim 2
Dependent Claim
100 words
IN AN ADSORPTION SEPARATION PROCESS WHEREIN A SOLID ADSORBENT MASS IS ALTERNATLEY CONTACTED WITH A LIQUID FEED AMENABLE TO SEAPRATION BY SELECTIVE ADSORPTION TO SEPARATE AN ADSORBATE AND A PERCOLATE AND WITH A STRIPPING LIQUID TO REMOVE THE ADSORBATE FROM THE ADSORBENT AND REGENERATE THE ADSORBENT FOR REUSE, THE IMPROVED METHOD WHICH COMPRISES RECYCLING THE FIRST EFFLUENT FROM THE ADSORBENT PRODUCED DURING THE STRIPPING LIQUID CONTACTING STEP, WHICH FIRST EFFLUENT CONSISTS PREDOMINANTLY OF ADSORBATE AND STRIPPING LIQUID AND WHICH CONTAINS SOME PERCOLATE, INTO CONTACT WITH THE ADSORBENT FOLLOWING THE FEED CONTACTING STEP AND PRIOR TO THE STRIPPING LIQUID CONTACTING STEP.
References Cited (Backward Citations)
GB109077A
Cited
US2415315A
Cited
US2395491A
Cited
US2398101A
Cited
US2449402A
Cited
US2441572A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-09 | 1956-06-09 | 1956-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-09 | 1960-06-09 | 1960-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-09 | 1964-06-09 | 1964-12-09 | $7700.00 | Window Closed / Lapsed |