US3080433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drying process
Assignee: Standard Oil Co
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Filing: 1960-06-17
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Granted: 1963-03-05
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Expires: 1980-06-17
Abstract
No abstract record available.
Inventors
- 👤 Robert J Hengstebeck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:43
CPC Classifications
C; C07; C07C; C07C7/00; C07C7/12; C07C7/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
A PROCESS FOR REMOVING CONTAMINATING AMOUNTS OF WATER FROM A HYDROCARBON FEED MATERIAL CONTAINING POLYMERIZABLE UNSATURATED HYDROCARBON AND SAID CONTAMINATING WATER WHICH PROCESS COMPRISES CHARGING SAID FEED MATERIAL TO AN INLET END OF AN ADSORBENT BED CONSISTING ESSENTIALLY OF MOLECULAR SIEVE PARTICLES, PASSING SAID FEED MATERIAL THROUGH SAID BED WHEREBY CONTAMINATING WATER AND POLYMERIZABLE UNSATURATED HYDROCARBONS ARE ADSORBED ON SAID BED, WITHDRAWING AN EFFLUENT FROM AN OUTLET END OF SAID BED, SAID EFFLUENT CONSISTING ESSENTIALLY OF FEED MATERIAL DECREASED IN POLYMERIZABLE UNSATURATED HYDROCARBON CONTENT AND SUBSTANTIALLY FREE OF WATER CONTAMINANTS, REGENERATING SAID ADSORBENT BED BY CHARGING AN AMOUNT OF WATER TO SAID INLET END SUFFICIENT TO PROVIDE A BARRIER PROTECTING ADSORBED POLYMERIZABLE UNSATURATED HYDROCARBON FROM DIRECT CONTACT WITH FOLLOWING HOT REGENERATION GAS, CHARGING HOT REGENERATION GAS TO SAID INLET, PASSING SAID REGENERATION GAS THROUGH SAID BED AND WITHDRAWING ADSORBED POLYMERIZABLE UNSATURATED HYDROCARBON, AND WATER SUBSTANTIALLY IN THAT ORDER FROM SAID OUTLET WHEREBY SAID BED IS REGENERATED.
Claim 2
Dependent Claim
156 words
A PROCESS FOR REMOVING CONTAMINATING AMOUNTS OF WATER FROM A HYDROCARBON FEED MATERIAL CONTAINING POLYMERIZABLE UNSATURATED HYDROCARBON AND SAID CONTAMINATING WATER WHICH PROCESS COMPRISES CHARGING SAID FEED MATERIAL TO AN INLET END OF AN ADSORBENT BED CONSISTING ESSENTIALLY OF MOLECULAR SIEVE PARTICLES, PASSING SAID FEED MATERIAL THROUGH SAID BED WHEREBY CONTAMINATING WATER AND POLYMERIZABLE UNSATURATED HYDROCARBONS ARE ADSORBED ON SAID BED, WITHDRAWING AN EFFLUENT FROM AN OUTLET END OF SAID BED, SAID EFFLUENT CONSISTING ESSENTIALLY OF FEED MATERIAL DECREASED IN POLYMERIZABLE UNSATURATED HYDROCARBON CONTENT AND SUBSTANTIALLY FREE OF WATER CONTAMINANTS, REGENERATING SAID ADSORBENT BED BY CHARGING AN AMOUNT OF WATER TO SAID INLET END SUFFICIENT TO PROVIDE A BARRIER PROTECTING ADSORBED POLYMERIZABLE UNSATURATED HYDROCARBON FROM DIRECT CONTACT WITH FOLLOWING HOT REGENERATION GAS, CHARGING HOT REGENERATION GAS TO SAID INLET, PASSING SAID REGENERATION GAS THROUGH SAID BED AND WITHDRAWING ADSORBED POLYMERIZABLE UNSATURATED HYDROCARBON, AND WATER SUBSTANTIALLY IN THAT ORDER FROM SAID OUTLET WHEREBY SAID BED IS REGENERATED.
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) | 1966-03-04 | 1966-09-03 | 1967-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-04 | 1970-09-03 | 1971-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-04 | 1974-09-03 | 1975-03-05 | $7700.00 | Window Closed / Lapsed |