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US2097154A
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Conversion of unsaturated alcohols and/or ethers to their saturated isomers
Assignee: Shell Development Co
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Filing: 1933-07-17
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Granted: 1937-10-26
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Expires: 1953-07-17
Abstract
No abstract record available.
Inventors
- 👤 Herbert P A Groll
- 👤 Clarence J Ott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:17
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/51; C07C45/511; C07C45/513; C07C45/512
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1940-10-25 | 1941-04-26 | 1941-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-10-25 | 1945-04-26 | 1945-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-10-25 | 1949-04-26 | 1949-10-26 | $7700.00 | Window Closed / Lapsed |