US2882693A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control system for separation process
Assignee: Phillips Petroleum Co
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Filing: 1955-07-21
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Granted: 1959-04-21
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Expires: 1975-07-21
Abstract
No abstract record available.
Inventors
- 👤 Harris A Clay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:50
CPC Classifications
B; B01; B01D; B01D3/00; B01D3/42; B01D3/4211; B01D3/4255; Y; Y10; Y10S; Y10S203/00; Y10S203/19
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
181 words
IN A PROCESS FOR SEPARATING AN ESENTIALLY BINARY FEED MIXTURE CONTAINING A SAMLL AMOUNT OF THIRD COMPONENT INTO TWO PRODUCT STREAMS OF SPECIFICATION QUALITY IN WHICH THE PROCESS VARIABLES INCLUDE THE RATE OF INTRODUCTION OF FEED MATERIAL INTO A SEPARATION ZONE, THE RATE OF OVERHEAD PRODUCT WITHDRAWAL FROM SAID ZONE, THE RATE OF KETTLE PRODUCT WITHDRAWAL FROM SAID ZONE AND THE RATE OF HEAT INTRODUCTION INTO SAID ZONE, THE IMPROVEMENT WHICH COMPRISES ANALYZING A FIRST SAMPLE REMOVED FROM THE UPPER PORTION OF SAID SEPARATION ZONE TO DETERMINE THE CONCENTRATION THEREIN OF A FIRST COMPONENT OF SAID MIXTURE; ANALYZING A SECOND SAMPLE REMOVED FROM THE LOWER PORTION OF SAID ZONE TO DETERMINE THE CONCENTRATION THEREIN OF A SECOND COMPONENT OF SAID MIXTURE; ANALYZING ONE OF SAID FIRST AND SECOND SAMPLES TO DETERMINE THE CONCENTRATON THEREIN OF A THIRD COMPONENT PRESENT IN SAID MIXTURE; ADJUSTING TWO OF SAID PROCESS VARIABLES SO THAT THE CONCENTRATION OF SAID FIRST AND SECONDF COMPONENTS IN SAID FIRST AND SECOND SAMPLES REMAIN AT PRESELECTED VALUES; AND CHANGING THE PRESELECTED VALUE OF CONCENTRATON OF ONE OF SAID FIRST AND
Claim 2
Dependent Claim
181 words
IN A PROCESS FOR SEPARATING AN ESENTIALLY BINARY FEED MIXTURE CONTAINING A SAMLL AMOUNT OF THIRD COMPONENT INTO TWO PRODUCT STREAMS OF SPECIFICATION QUALITY IN WHICH THE PROCESS VARIABLES INCLUDE THE RATE OF INTRODUCTION OF FEED MATERIAL INTO A SEPARATION ZONE, THE RATE OF OVERHEAD PRODUCT WITHDRAWAL FROM SAID ZONE, THE RATE OF KETTLE PRODUCT WITHDRAWAL FROM SAID ZONE AND THE RATE OF HEAT INTRODUCTION INTO SAID ZONE, THE IMPROVEMENT WHICH COMPRISES ANALYZING A FIRST SAMPLE REMOVED FROM THE UPPER PORTION OF SAID SEPARATION ZONE TO DETERMINE THE CONCENTRATION THEREIN OF A FIRST COMPONENT OF SAID MIXTURE; ANALYZING A SECOND SAMPLE REMOVED FROM THE LOWER PORTION OF SAID ZONE TO DETERMINE THE CONCENTRATION THEREIN OF A SECOND COMPONENT OF SAID MIXTURE; ANALYZING ONE OF SAID FIRST AND SECOND SAMPLES TO DETERMINE THE CONCENTRATON THEREIN OF A THIRD COMPONENT PRESENT IN SAID MIXTURE; ADJUSTING TWO OF SAID PROCESS VARIABLES SO THAT THE CONCENTRATION OF SAID FIRST AND SECONDF COMPONENTS IN SAID FIRST AND SECOND SAMPLES REMAIN AT PRESELECTED VALUES; AND CHANGING THE PRESELECTED VALUE OF CONCENTRATON OF ONE OF SAID FIRST AND
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) | 1962-04-20 | 1962-10-20 | 1963-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-20 | 1966-10-20 | 1967-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-20 | 1970-10-20 | 1971-04-21 | $7700.00 | Window Closed / Lapsed |