Patent US2442770A successfully refreshed from Google Patents.
US2854487A
Expired / Lapsed
US
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Process for the manufacture of carbinols
Assignee: Distillers Co Yeast Ltd
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Filing: 1956-03-27
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Granted: 1958-09-30
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Expires: 1976-03-27
Abstract
No abstract record available.
Inventors
- 👤 Quin Denis Cheselden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:50
CPC Classifications
C; C07; C07C; C07C35/00; C07C35/22; C07C35/23; C07C35/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
PROCESS FOR THE MANUFACTURE OF CARBINOLS WHICH COMPRISES REACTING, AT A TEMPERATURE BETWEEN 40*C. AND 120*C., AN ORGANIC HYDROPEROXIDE SELECTED FROM THE GROUP CONSISTING OF ALIPHATIC HYDROPEROXIDES, SECONDARY AND TERTIARY AROMATIC HYDROPEROXIDES, SECONDARY AND TERTIARY AROMATIC HYDROPEROXIDES SUBSTITUTED IN THE AROMTIC NUCLEUS BY AN ALKYL GROUP, SECONDARY AND TERTIARY AROMATIC HYDROPEROXIDES SUBSTITUTED IN THE AROMATIC NUCLEUS BY A HYDROXYLATED ALKYL GROUP, AND AROMATIC DIHYDROPEROXIDES AND CONTAINING THE SAME NUMBER OF CARBON ATOMS AS THE DESIRED CARBINOL UNDER LIQUID CONDITIONS WITH HYDROGEN USING PALLADIUM SUPPORTED ON "ACTIVATED ALUMINA" AS CATALYST WITH AN AMOUNT OF CATALYST BETWEEN ABOUT 1% AND 20%, BY WEIGHT, BASED ON THE WEIGHT OF THE HYDROPEROXIDE.
Claim 2
Dependent Claim
108 words
PROCESS FOR THE MANUFACTURE OF CARBINOLS WHICH COMPRISES REACTING, AT A TEMPERATURE BETWEEN 40*C. AND 120*C., AN ORGANIC HYDROPEROXIDE SELECTED FROM THE GROUP CONSISTING OF ALIPHATIC HYDROPEROXIDES, SECONDARY AND TERTIARY AROMATIC HYDROPEROXIDES, SECONDARY AND TERTIARY AROMATIC HYDROPEROXIDES SUBSTITUTED IN THE AROMTIC NUCLEUS BY AN ALKYL GROUP, SECONDARY AND TERTIARY AROMATIC HYDROPEROXIDES SUBSTITUTED IN THE AROMATIC NUCLEUS BY A HYDROXYLATED ALKYL GROUP, AND AROMATIC DIHYDROPEROXIDES AND CONTAINING THE SAME NUMBER OF CARBON ATOMS AS THE DESIRED CARBINOL UNDER LIQUID CONDITIONS WITH HYDROGEN USING PALLADIUM SUPPORTED ON "ACTIVATED ALUMINA" AS CATALYST WITH AN AMOUNT OF CATALYST BETWEEN ABOUT 1% AND 20%, BY WEIGHT, BASED ON THE WEIGHT OF THE HYDROPEROXIDE.
References Cited (Backward Citations)
US2491926A
Cited
US2497349A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-29 | 1962-03-31 | 1962-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-29 | 1966-03-31 | 1966-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-29 | 1970-03-31 | 1970-09-30 | $7700.00 | Window Closed / Lapsed |