US3041356A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of epoxy alcohols from epoxy alkanals
Assignee: Shell USA Inc
•
Filing: 1958-09-02
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Granted: 1962-06-26
•
Expires: 1978-09-02
Abstract
No abstract record available.
Inventors
- 👤 George B Payne
- 👤 William J Sullivan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:51
CPC Classifications
C; C07; C07D; C07D301/00; C07D303/00; C07D303/02; C07D303/12; C07D303/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
THE PROCESS FOR THE PREPARATION OF VIC-EPOXY ALKANOL, COMPRISING REACTING A VIC-EPOXYALKANAL OF LESS THAN 8 CARBON ATOMS, WITH A SOLUBLE METAL HYDRIDE SELECTED FROM THE GROUP CONSISTING OF HYDRIDES SEMULA M(ALH4)N AND M(BH4)N, WHERE M IS AN N-VALENT CATION, IN AN INERT SOLVENT, SAID WHEN AQUEOUS HAVING A PH BETWEEN ABOUT 7 AND 10, AT A TEMPERATURE BETWEEN ABOUT 0*C. AND ABOUT 25*C.
Claim 2
Dependent Claim
64 words
THE PROCESS FOR THE PREPARATION OF VIC-EPOXY ALKANOL, COMPRISING REACTING A VIC-EPOXYALKANAL OF LESS THAN 8 CARBON ATOMS, WITH A SOLUBLE METAL HYDRIDE SELECTED FROM THE GROUP CONSISTING OF HYDRIDES SEMULA M(ALH4)N AND M(BH4)N, WHERE M IS AN N-VALENT CATION, IN AN INERT SOLVENT, SAID WHEN AQUEOUS HAVING A PH BETWEEN ABOUT 7 AND 10, AT A TEMPERATURE BETWEEN ABOUT 0*C. AND ABOUT 25*C.
References Cited (Backward Citations)
US2683721A
Cited
US2874165A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-25 | 1965-12-25 | 1966-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-25 | 1969-12-25 | 1970-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-25 | 1973-12-25 | 1974-06-26 | $7700.00 | Window Closed / Lapsed |