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Patent US2830091A successfully refreshed from Google Patents.
US2830091A
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Olefin hydration
Assignee: Sinclair Refining Co
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Filing: 1955-06-10
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Granted: 1958-04-08
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Expires: 1975-06-10
Abstract
No abstract record available.
Inventors
- 👤 Bernard S Friedman
- 👤 Fred L Morritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:07
CPC Classifications
C; C07; C07C; C07C29/00; C07C29/03; C07C29/04; C07C29/05; C07C29/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
IN THE HYDRATION OF A MONOOLEFIN HAVING FROM 2 TO 4 CARBON ATOMS UNDER HYDRATION CONDITIONS, THE STEP OF CONDUCTING THE HYDRATION WHILE THE MONOOLEFIN IS IN CONTACT WITH A CATALYTIC AMOUNT OF A HALOGENATED POLYCARBOXYLIC ACID CONTAINING FROM 3 TO 10 CARBON ATOMS, WITH THE PROVISO THAT WHEN PRESENT THE ALIPHATIC ALPHA-CARBON ATOMS THEREOF ARE COMPLETELY SUBSTITUTED BY A HALOGEN SELECTED FROM THE GROUP CONSISTING OF FLUORINE AND CHLORINE AND WITH THE FURTHER PROVISO THAT SAID POLYCARBOXYLIC ACID IS SELECTED FROM THE GROUP CONSISTING OF CHLORINE-SUBSTITUTED ALKYLENE POLYCARBOXYLIC ACIDS, FLUORINE-SUBSTITUTED ALKYLENE POLYCARBOXYLIC ACIDS, CHLORINESUBSTITUTED BENZENE POLYCARBOXYLIC ACIDS, AND FLUORINESUBSTITUTED BENZENE POLYCARBOXYLIC ACIDS.
Claim 2
Dependent Claim
103 words
IN THE HYDRATION OF A MONOOLEFIN HAVING FROM 2 TO 4 CARBON ATOMS UNDER HYDRATION CONDITIONS, THE STEP OF CONDUCTING THE HYDRATION WHILE THE MONOOLEFIN IS IN CONTACT WITH A CATALYTIC AMOUNT OF A HALOGENATED POLYCARBOXYLIC ACID CONTAINING FROM 3 TO 10 CARBON ATOMS, WITH THE PROVISO THAT WHEN PRESENT THE ALIPHATIC ALPHA-CARBON ATOMS THEREOF ARE COMPLETELY SUBSTITUTED BY A HALOGEN SELECTED FROM THE GROUP CONSISTING OF FLUORINE AND CHLORINE AND WITH THE FURTHER PROVISO THAT SAID POLYCARBOXYLIC ACID IS SELECTED FROM THE GROUP CONSISTING OF CHLORINE-SUBSTITUTED ALKYLENE POLYCARBOXYLIC ACIDS, FLUORINE-SUBSTITUTED ALKYLENE POLYCARBOXYLIC ACIDS, CHLORINESUBSTITUTED BENZENE POLYCARBOXYLIC ACIDS, AND FLUORINESUBSTITUTED BENZENE POLYCARBOXYLIC ACIDS.
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) | 1961-04-07 | 1961-10-07 | 1962-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-07 | 1965-10-07 | 1966-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-07 | 1969-10-07 | 1970-04-08 | $7700.00 | Window Closed / Lapsed |