US3288697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photoreaction control apparatus
Assignee: Phillips Petroleum Co
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Filing: 1962-07-19
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Granted: 1966-11-29
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Expires: 1982-07-19
Abstract
No abstract record available.
Inventors
- 👤 Bobbie L Whitson
- 👤 Harold L Boots
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:20
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/08; B01J19/12; B01J19/122; B01J19/123; B01J19/0006
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
139 words
APPARATUS FOR CARRYING OUT A CONTROLLED AND SIMULTANEOUS FORMATION OF MERCAPTANS BY THE REACTION OF AN OLEFINE AND HYDROGEN SULFIDE IN AT LEAST TWO ULTRAVIOLET REACTORS WHICH COMPRISES, IN COMBINATION, A FIRST AND SECOND ULTRAVIOLET REACTOR, MEANS TO INTRODUCE AN OLEFIN TO SAID REACTORS, MEANS TO INTRODUCE A FIRST STREAM OF HYDROGEN SULFIDE TO SAID REACTORS, MEANS TO INTRODUCE A SECOND STREAM OF HYDROGEN SULFIDE, LIQUID LEVEL CONTROLLER MEANS TO REGULATE THE AMOUNT OF FLOW OF SAID OLEFIN AND FIRST HYDROGEN SULFIDE STREAM, MEANS RESPONSIVE TO SAID LIQUID LEVEL CONTROLLERS TO ACTIVATE SAID MIXING MEANS, A SOURCE OF ULTRAVIOLET RADIATION, MEANS RESPONSIVE TO SAID LIQUID LEVEL CONTROLLERS TO ACTIVATE SAID SOURCE OF RADIATION TO MAINTAIN A PREDETERMINED TEMPERATURE IN SAID REACTORS PRESSURE SENSING MEANS SO ADAPTED AS TO DETERMINE WHEN THE REACTION HAS GONE TO COMPLETION, MEANS RESPONSIVE TO
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) | 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 |