US2916887A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flow rate of an impurity controlling a distillation process
Assignee: Phillips Petroleum Co
•
Filing: 1956-05-07
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Granted: 1959-12-15
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Expires: 1976-05-07
Abstract
No abstract record available.
Inventors
- 👤 Jesse M Brooke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:44
CPC Classifications
F; F25; F25J; F25J3/00; F25J3/02; F25J3/0204; F25J3/0219; B; B01; B01D; B01D3/00; B01D3/42; B01D3/4211; B01D3/4227; F25J3/0228; F25J3/0238; F25J2215/00; F25J2215/62; F25J2280/00; F25J2280/02; Y; Y10; Y10T; Y10T436/00; Y10T436/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
IN A PROCESS, A METHOD FOR REGULATING THE CONTENT OF A MAJOR COMPONENT BY VOLUME IN A VAPOROUS PRODUCT CONTAINING SAID MAJOR COMPONENT AND A MONIR IMPURITY COMPONENT, COMPRISING, WITHDRAWING SAID PRODUCT FROM SAID PROCESS, DIVIDING SAID PRODUCT INTO A MAJOR PORTION BY VOLUME AND REMOVING SAME AS THE MAKE PRODUCT OF THE PROCESS, AND INTO A MINOR PORTION BY VOLUME AT A PREDETERMINED RATE, SAID PORTIONS BEING WHOLLY VAPOROUS AND HAVING LIKE COMPOSITIONS, SEPARATING THE MAJOR COMPONENT SUBSTANTIALLY COMPLETELY FROM SAID IMPURITY OF SAID MINOR PORTION, REMOVING THE IMPURITY FROM THIS SEPARATING OPERATION ANC CONTROLLING SAID PROCESS IN RESPONSE TO THE RATE OF REMOVAL OF THE SEPARATED IMPURITY.
Claim 2
Dependent Claim
109 words
IN A PROCESS, A METHOD FOR REGULATING THE CONTENT OF A MAJOR COMPONENT BY VOLUME IN A VAPOROUS PRODUCT CONTAINING SAID MAJOR COMPONENT AND A MONIR IMPURITY COMPONENT, COMPRISING, WITHDRAWING SAID PRODUCT FROM SAID PROCESS, DIVIDING SAID PRODUCT INTO A MAJOR PORTION BY VOLUME AND REMOVING SAME AS THE MAKE PRODUCT OF THE PROCESS, AND INTO A MINOR PORTION BY VOLUME AT A PREDETERMINED RATE, SAID PORTIONS BEING WHOLLY VAPOROUS AND HAVING LIKE COMPOSITIONS, SEPARATING THE MAJOR COMPONENT SUBSTANTIALLY COMPLETELY FROM SAID IMPURITY OF SAID MINOR PORTION, REMOVING THE IMPURITY FROM THIS SEPARATING OPERATION ANC CONTROLLING SAID PROCESS IN RESPONSE TO THE RATE OF REMOVAL OF THE SEPARATED IMPURITY.
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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) | 1962-12-14 | 1963-06-15 | 1963-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-14 | 1967-06-15 | 1967-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-14 | 1971-06-15 | 1971-12-15 | $7700.00 | Window Closed / Lapsed |