US2806046A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alcoholizing fatty oils with polyhydric tertiary alcohols
Assignee: Shell Development Co
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Filing: 1953-10-12
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Granted: 1957-09-10
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Expires: 1973-10-12
Abstract
No abstract record available.
Inventors
- 👤 Roy W Tess
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:25
CPC Classifications
C; C11; C11C; C11C3/00; C11C3/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A PROCESS FOR OBTAINING A MODIFIED ESTER PRODUCT FROM A FATTY OIL WHICH COMPRISES ALCOHOLIZING THE OIL WITH A POLYHDRIC ALCOHOL CONTAINING A TERTIARY ALCOHOL GROUP IN THE PRESENCE OF AN ALCOHOLYSIS CATALYST WHILE AZEOTROPICALLY DISTILLING WATER FROM THE REACTION MIXTURE WITH A WATER-ENTRAINING AGENT THAT IS SUBSTANTIALLY IMMISCIBLE WITH WATER AND BOILS AT A LOWER TEMPERTURE THAN SAID POLYHYDRIC ALCOHOL WHEREBY THE WATER FORMED BY CHEMICAL DEHYDRATION OF THE POLYHYDRIC ALCOHOL IS REMOVED FROM THE REACTION MIXTURE AND THE RATE OF ALCOHOLYSIS IS THEREBY INCREASED.
Claim 2
Dependent Claim
86 words
A PROCESS FOR OBTAINING A MODIFIED ESTER PRODUCT FROM A FATTY OIL WHICH COMPRISES ALCOHOLIZING THE OIL WITH A POLYHDRIC ALCOHOL CONTAINING A TERTIARY ALCOHOL GROUP IN THE PRESENCE OF AN ALCOHOLYSIS CATALYST WHILE AZEOTROPICALLY DISTILLING WATER FROM THE REACTION MIXTURE WITH A WATER-ENTRAINING AGENT THAT IS SUBSTANTIALLY IMMISCIBLE WITH WATER AND BOILS AT A LOWER TEMPERTURE THAN SAID POLYHYDRIC ALCOHOL WHEREBY THE WATER FORMED BY CHEMICAL DEHYDRATION OF THE POLYHYDRIC ALCOHOL IS REMOVED FROM THE REACTION MIXTURE AND THE RATE OF ALCOHOLYSIS IS THEREBY INCREASED.
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) | 1960-09-09 | 1961-03-11 | 1961-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-09 | 1965-03-11 | 1965-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-09 | 1969-03-11 | 1969-09-10 | $7700.00 | Window Closed / Lapsed |