US2922822A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of methyl butenyl ethers
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1957-01-08
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Granted: 1960-01-26
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Expires: 1977-01-08
Abstract
No abstract record available.
Inventors
- 👤 Leland K Beach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:09
CPC Classifications
C; C07; C07C; C07C7/00; C07C7/005; C07C7/148; C07C7/14875; C07C7/14891
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
A PROCESS FOR MAKING UNSATURATED ETHERS WHICH COMPRISES CONTACTING A MIXTURE OF A SATURATED PRIMARY ALIPHATIC MONOHYDRIC C1-C8 ALCOHOL AND A C4-C12 CONJUGATED DIOLEFIN IN LIQUID PHASE WITH AN ACID ION-EXCHANGE RESIN COMPRISING A SULFONATED RESINOUS COPOLYMER OF STYRENE AND DIVINYL BENZENE AT A TEMPERATURE BETWEEN 100* AND 300*F. AND A PRESSURE BETWEEN 100 AND 2000 P.S.I.G.
Claim 2
Dependent Claim
57 words
A PROCESS FOR MAKING UNSATURATED ETHERS WHICH COMPRISES CONTACTING A MIXTURE OF A SATURATED PRIMARY ALIPHATIC MONOHYDRIC C1-C8 ALCOHOL AND A C4-C12 CONJUGATED DIOLEFIN IN LIQUID PHASE WITH AN ACID ION-EXCHANGE RESIN COMPRISING A SULFONATED RESINOUS COPOLYMER OF STYRENE AND DIVINYL BENZENE AT A TEMPERATURE BETWEEN 100* AND 300*F. AND A PRESSURE BETWEEN 100 AND 2000 P.S.I.G.
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) | 1963-01-25 | 1963-07-27 | 1964-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-25 | 1967-07-27 | 1968-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-25 | 1971-07-27 | 1972-01-26 | $7700.00 | Window Closed / Lapsed |