US3288706A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for improved process control
Assignee: Phillips Petroleum Co
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Filing: 1965-01-11
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Granted: 1966-11-29
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Expires: 1985-01-11
Abstract
No abstract record available.
Inventors
- 👤 Dale E Lupfer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:13
CPC Classifications
C; C10; C10G; C10G5/00; C10G5/04; G; G05; G05B; G05B11/00; G05B11/44; G05B11/58; C10G2300/00; C10G2300/10; C10G2300/1025; Y; Y10; Y10S; Y10S208/00; Y10S208/01
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
113 words
IN A PROCESS WHICH COMPRISES A RAW NATURAL GAS FEED TO AN ADSORPTION ZONE, PASSING A LEAN ADSORPTION OIL FEED TO SAID ADSORPTION ZONE, WITHDRAWING FROM SAID ADSORPTION ZONE A RESIDUE GAS, AND WITHDRAWING FROM SAID ADSORPTION ZONE A RICH ADSORPTION OIL CONTAINING NATURAL GASOLINE; A METHOD OF CONTROL WHICH COMPRISES MEASURING THE TEMPERATURE OF SAID LEAN ADSORPTION OIL FEED, FORMING AND TRANSMITTING A FIRST SIGNAL C REPRESENTATIVE OF SAID MEASUREMENT TO A COMPUTING ZONE, APPLYING SAID FIRST SIGNAL TO THE INLET OF A RESTRICTION ZONE TO PRODUCE AT THE OUTLET OF SAID RESTRICTION ZONE A SECOND SIGNAL B, PASSING SAID SECOND SIGNAL TO SAID COMPUTING ZONE, SAID COMPUTING ZONE SOLVING THE EQUATION
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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) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |