US2956070A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organic chemical reactions involving liberation of water
Assignee: American Oil Co
•
Filing: 1958-04-29
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Granted: 1960-10-11
•
Expires: 1978-04-29
Abstract
No abstract record available.
Inventors
- 👤 Joseph F Jennings
- 👤 Robert C Binning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:33
CPC Classifications
B; B01; B01D; B01D61/00; B01D61/36; B01D61/362; B01D61/3621; B01J; B01J19/00; B01J19/24; B01J19/2475
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
A METHOD FOR DRIVING TO SUBSTANTIAL COMPLETION EQUILIBRIUM CHEMICAL REACTIONS BETWEEN ORGANIC CHEMICAL REACTANTS IN WHICH WATER IS A PRODUCT OF THE REACTION, WHICH METHOD COMPRISES INTRODUCING LIQUID ORGANIC CHEMICAL REACTANTS INTO THE FEED ZONE OF PERMEATION APPARATUS AND THEREIN EFFECING REACTION BETWEEN THE LIQUID REACTANTS AND PRODUCING A REACTION PRODUCT MIXTURE INCLUDING WATER, SAID PERMEATION APPARATUS BEING COMPRISED OF A FEED ZONE WHICH IS SEPARATED FROM A PERMEATE ZONE BY A THIN WATER PERMEABLE PLASTIC MEMBRANE, MAINTAINING PRESSURE IN THE FEED ZONE SUFFICIENT TO MAINTAIN THE MIXTURE IN THE LIQUID STATE, PERMEATING WATER THROUGH SAID MEMBRANE INTO THE PERMEATE ZONE, VAPORIZING WATER IN THE PERMEATE ZONE AND WITHDRAWING PERMEATED WATER VAPOR FROM THE PERMEATE ZONE, CONTINUING THE REACTION BETWEEN THE OR-
Claim 2
Independent Claim
122 words
A METHOD FOR DRIVING TO SUBSTANTIAL COMPLETION EQUILIBRIUM CHEMICAL REACTIONS BETWEEN ORGANIC CHEMICAL REACTANTS IN WHICH WATER IS A PRODUCT OF THE REACTION, WHICH METHOD COMPRISES INTRODUCING LIQUID ORGANIC CHEMICAL REACTANTS INTO THE FEED ZONE OF PERMEATION APPARATUS AND THEREIN EFFECING REACTION BETWEEN THE LIQUID REACTANTS AND PRODUCING A REACTION PRODUCT MIXTURE INCLUDING WATER, SAID PERMEATION APPARATUS BEING COMPRISED OF A FEED ZONE WHICH IS SEPARATED FROM A PERMEATE ZONE BY A THIN WATER PERMEABLE PLASTIC MEMBRANE, MAINTAINING PRESSURE IN THE FEED ZONE SUFFICIENT TO MAINTAIN THE MIXTURE IN THE LIQUID STATE, PERMEATING WATER THROUGH SAID MEMBRANE INTO THE PERMEATE ZONE, VAPORIZING WATER IN THE PERMEATE ZONE AND WITHDRAWING PERMEATED WATER VAPOR FROM THE PERMEATE ZONE, CONTINUING THE REACTION BETWEEN THE OR-
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) | 1963-10-11 | 1964-04-11 | 1964-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-11 | 1968-04-11 | 1968-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-11 | 1972-04-11 | 1972-10-11 | $7700.00 | Window Closed / Lapsed |