US2500599A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic hydroxylation of olefinic compounds
Assignee: Shell Development Co
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Filing: 1944-12-19
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Granted: 1950-03-14
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Expires: 1964-12-19
Abstract
No abstract record available.
Inventors
- 👤 Bergsteinsson Ingolfur
- 👤 Theodore W Evans
- 👤 James R Scheibli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:41
CPC Classifications
C; C07; C07C; C07C31/00; C07C31/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A PROCESS FOR THE HYDROXYLATION OF A COMPOUND CONTAINING AN OLEFINIC LINKAGE BETWEEN TWO ALIPHATIC CARBON ATOMS, EACH OF WHICH CARBON ATOMS HAS THE TWO REMAINING VALENCES SATISFIED BY SINGLE-BONDED LINKAGE TO SEPARATE ATOMS, AND SAID COMPOUND CONTAINING NO OTHER ELEMENTS THAN CARBON, HYDROGEN, OXYGEN AND HALOGEN WHICH COMPRISES REACTING SAID COMPOUND WITH HYDROGEN PEROXIDE IN THE PRESENCE OF FORMIC ACID.
Claim 2
Dependent Claim
61 words
A PROCESS FOR THE HYDROXYLATION OF A COMPOUND CONTAINING AN OLEFINIC LINKAGE BETWEEN TWO ALIPHATIC CARBON ATOMS, EACH OF WHICH CARBON ATOMS HAS THE TWO REMAINING VALENCES SATISFIED BY SINGLE-BONDED LINKAGE TO SEPARATE ATOMS, AND SAID COMPOUND CONTAINING NO OTHER ELEMENTS THAN CARBON, HYDROGEN, OXYGEN AND HALOGEN WHICH COMPRISES REACTING SAID COMPOUND WITH HYDROGEN PEROXIDE IN THE PRESENCE OF FORMIC ACID.
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) | 1953-03-13 | 1953-09-12 | 1954-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-13 | 1957-09-12 | 1958-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-13 | 1961-09-12 | 1962-03-14 | $7700.00 | Window Closed / Lapsed |