Patent US3264801A successfully refreshed from Google Patents.
US3264801A
Expired / Lapsed
US
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Chromatographic apparatus and process
Assignee: Union Oil Company of California
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Filing: 1962-11-13
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Granted: 1966-08-09
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Expires: 1982-11-13
Abstract
No abstract record available.
Inventors
- 👤 Robert F Buhl
- 👤 Marion L Yeagle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:08
CPC Classifications
G; G01; G01N; G01N30/00; G01N30/02; G01N30/50; G01N30/58
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
A METHOD OF CONTINUOUSLY SEPARATING A FLUID MIXTURE CONTAINING AT LEAST THREE COMPONENETS, WHICH COMPRISES CONTINUOUSLY INTRODUCING A SORPTIVE MATERIAL IN A PRESCRIBED COURSE OF FLOW AND MOVING SAID SORPTIVE MATERIAL ALONG SAID PRESCRIBED COURSE, CONTINUOUSLY INTRODUCING A FLUID MIXTURE CONTAINING AT LEAST THREE COMPONENTS INTO SAID MOVNG SORPTIVE MATERIAL, SAID SORPTIVE MATERIAL HAVING DIFFERENT AFFINITIES FOR EACH OF SAID COMPONENTS, CONTINUOUSLY INTRODUCING A COUNTERCURRENT STREAM OF A CARRIER GAS INTO SAID MOVING SORPTIVE MATTERIAL AT A POINT ALONG SAID COURSE DOWNSTREAM FROM THE POINT OF INTRODUCTION OF THE FLUID MIXTURE, AND WITHDRAWING FROM SAID MOVING SORPTIVE MATERIAL AT SPACED POINTS ALONG SAID COURSE AND INTERMEDIATE THE POINTS OF INTRODUCTION OF SAID SORPTIVE MATERIAL AND CARRIER GAS, AT LEAST THREE PROD-
Claim 2
Independent Claim
121 words
A METHOD OF CONTINUOUSLY SEPARATING A FLUID MIXTURE CONTAINING AT LEAST THREE COMPONENETS, WHICH COMPRISES CONTINUOUSLY INTRODUCING A SORPTIVE MATERIAL IN A PRESCRIBED COURSE OF FLOW AND MOVING SAID SORPTIVE MATERIAL ALONG SAID PRESCRIBED COURSE, CONTINUOUSLY INTRODUCING A FLUID MIXTURE CONTAINING AT LEAST THREE COMPONENTS INTO SAID MOVNG SORPTIVE MATERIAL, SAID SORPTIVE MATERIAL HAVING DIFFERENT AFFINITIES FOR EACH OF SAID COMPONENTS, CONTINUOUSLY INTRODUCING A COUNTERCURRENT STREAM OF A CARRIER GAS INTO SAID MOVING SORPTIVE MATTERIAL AT A POINT ALONG SAID COURSE DOWNSTREAM FROM THE POINT OF INTRODUCTION OF THE FLUID MIXTURE, AND WITHDRAWING FROM SAID MOVING SORPTIVE MATERIAL AT SPACED POINTS ALONG SAID COURSE AND INTERMEDIATE THE POINTS OF INTRODUCTION OF SAID SORPTIVE MATERIAL AND CARRIER GAS, AT LEAST THREE PROD-
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |