Patent US2532036A successfully refreshed from Google Patents.
US2532036A
Expired / Lapsed
US
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Process of preparing polyhydric alcohols
Assignee: General Mills Inc
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Filing: 1946-10-24
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Granted: 1950-11-28
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Expires: 1966-10-24
Abstract
No abstract record available.
Inventors
- 👤 Roach John Robert
- 👤 Wittcoff Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:09
CPC Classifications
C; C07; C07C; C07C43/00; C07C43/02; C07C43/03; C07C43/04; C07C43/13; C07C43/135
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
54 words
PROCESS OF PRODUCING SUBSTANTIALLY PURE POLYHDRIC ALCOHOLS FROM ALLYL ETHERS WHICH COMPRISES REACTING A SUBSTANTIALLY PURE ALLYL ETHER WITH A HYPOHALOUS ACID AT A TEMPERATURE BETWEEN ABOUT 0*C. AND ROOM TEMPERATURE TO FORM THE HALOHYDRIN OF THE ALLYL ETHER, REMOVING INORGANIC MATERIAL FROM THE REACTION MIXTURE, AND HYDROLYZING THE RESIDUE TO THE POLYHYDRIC ALCOHOL.
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) | 1953-11-27 | 1954-05-29 | 1954-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-27 | 1958-05-29 | 1958-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-27 | 1962-05-29 | 1962-11-28 | $7700.00 | Window Closed / Lapsed |