Patent US2579515A successfully refreshed from Google Patents.
US2579515A
Expired / Lapsed
US
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Halohydroxy ethers
Assignee: General Mills Inc
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Filing: 1946-10-24
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Granted: 1951-12-25
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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
2026-11-02 09:48
CPC Classifications
C; C07; C07C; C07C43/00; C07C43/02; C07C43/03; C07C43/04; C07C43/13; C07C43/137
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
PROCESS OF PRODUCING A CHLOROHYDROXYPROPYL ETHER OF A POLYHYDRIC ALCOHOL WHICH COMPRISES MIXING A COMPOUND SELECTED FROM THE GROUP CONSISTING OF DIALLYL ETHER AND ALLYL ETHERS OF POLYHYDRIC ALCOHOLS, IN DILUTE AQUEOUS MEDIA WITH AN ALKALINE EARTH METAL HYPOCHLORITE, THEREAFTER ACIDIFYING THE REACTION MIXTURE BY MEANS OF CARBON DIOXIDE TO PRECIPIPATE ALKALINE EARTH METAL CARBONATE AND TO LIBERATE HYPOCHLOROUS ACID, MAINTAINING THE REACTION MIXTURE AT A TEMPERATURE BETWEEN 0* C. AND ROOM TEMPERATURE UNTIL THE HYPOCHLOROUS ACID IS CONSUMED, REMOVING THE PRECIPITATE ALKALINE EARTH METAL CARBONATE, AND RECOVERING THE CHLOROHYDROXYPROPYL ETHER.
Claim 2
Dependent Claim
91 words
PROCESS OF PRODUCING A CHLOROHYDROXYPROPYL ETHER OF A POLYHYDRIC ALCOHOL WHICH COMPRISES MIXING A COMPOUND SELECTED FROM THE GROUP CONSISTING OF DIALLYL ETHER AND ALLYL ETHERS OF POLYHYDRIC ALCOHOLS, IN DILUTE AQUEOUS MEDIA WITH AN ALKALINE EARTH METAL HYPOCHLORITE, THEREAFTER ACIDIFYING THE REACTION MIXTURE BY MEANS OF CARBON DIOXIDE TO PRECIPIPATE ALKALINE EARTH METAL CARBONATE AND TO LIBERATE HYPOCHLOROUS ACID, MAINTAINING THE REACTION MIXTURE AT A TEMPERATURE BETWEEN 0* C. AND ROOM TEMPERATURE UNTIL THE HYPOCHLOROUS ACID IS CONSUMED, REMOVING THE PRECIPITATE ALKALINE EARTH METAL CARBONATE, AND RECOVERING THE CHLOROHYDROXYPROPYL ETHER.
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) | 1954-12-24 | 1955-06-25 | 1955-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-24 | 1959-06-25 | 1959-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-24 | 1963-06-25 | 1963-12-25 | $7700.00 | Window Closed / Lapsed |