US3004071A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of oxidizing mercaptans to disulfides
Assignee: Phillips Petroleum Co
•
Filing: 1957-07-08
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Granted: 1961-10-10
•
Expires: 1977-07-08
Abstract
No abstract record available.
Inventors
- 👤 Paul F Warner
- 👤 Archie D Adams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:28
CPC Classifications
C; C07; C07C; C07C319/00; G; G01; G01N; G01N27/00; G01N27/02; G01N27/04; G01N27/06; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/582; Y10; Y10T; Y10T436/00; Y10T436/18; Y10T436/182
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
IN A PROCESS FOR OXIDIZING MERCAPTANS, THE STEPS WHICH COMPRISE ESTABLISHING A BODY OF INTERSPERSED MERCAPTAN FEED, CUPRIC CHLORIDE REAGENT, DISULFIDE PRODUCT AND A FREE OXYGEN-CONTAINING GAS, ADDING FEED TO THE BODY, WITHDRAWING PRODUCT THEREFROM, CONTINUOUSLY PRODUCING A SIGNAL REPRESENTATIVE OF A VARIABLE WHICH IS A FUNCTION OF THE RATIO OF THE INTERSPERSED DISULFIDE REAGENT PHASES, AND ADJUSTING THE DISULFIDE REAGENT PHASE RATIO IN RESPONSE TO SAID OUTPUT SIGNAL.
Claim 2
Dependent Claim
69 words
IN A PROCESS FOR OXIDIZING MERCAPTANS, THE STEPS WHICH COMPRISE ESTABLISHING A BODY OF INTERSPERSED MERCAPTAN FEED, CUPRIC CHLORIDE REAGENT, DISULFIDE PRODUCT AND A FREE OXYGEN-CONTAINING GAS, ADDING FEED TO THE BODY, WITHDRAWING PRODUCT THEREFROM, CONTINUOUSLY PRODUCING A SIGNAL REPRESENTATIVE OF A VARIABLE WHICH IS A FUNCTION OF THE RATIO OF THE INTERSPERSED DISULFIDE REAGENT PHASES, AND ADJUSTING THE DISULFIDE REAGENT PHASE RATIO IN RESPONSE TO SAID OUTPUT SIGNAL.
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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) | 1964-10-09 | 1965-04-10 | 1965-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-09 | 1969-04-10 | 1969-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-09 | 1973-04-10 | 1973-10-10 | $7700.00 | Window Closed / Lapsed |