US2671812A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reaction of ozonides with grignard reagents
Assignee: Standard Oil Co
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Filing: 1951-10-30
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Granted: 1954-03-09
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Expires: 1971-10-30
Abstract
No abstract record available.
Inventors
- 👤 Joseph W Sparks
- 👤 James O Knobloch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:34
CPC Classifications
C; C07; C07C; C07C29/00; C07C29/36
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
58 words
A PROCES FOR PREPARING A SECONDARY ALCOHOL WHICH COMPRISES COMMINGLING AN OZONIDE OF AN OLEFIN HAVING AT LEAST THREE CARBON ATOMS IN THE MOLECULE WITH A GRIGNARD REAGENT, SUBJECTING THE RESULTING MIXTURE TO A TEMPERATURE SUFFICIENTLY HIGH TO EFFECT REACTION BETWEEN SAID OZONIDE AND SAID GRIGNARD REAGENT, HYDROLYZING THE RESULTING REACTION PRODUCT, AND RECOVERING A SECONDARY ALCOHOL THEREFROM.
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) | 1957-03-08 | 1957-09-07 | 1958-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-08 | 1961-09-07 | 1962-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-08 | 1965-09-07 | 1966-03-09 | $7700.00 | Window Closed / Lapsed |