Patent US4051841A successfully refreshed from Google Patents.
Patent US2567541A successfully refreshed from Google Patents.
US2567541A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of higher alcohols
Assignee: JBS USA LLC
•
Filing: 1946-07-26
•
Granted: 1951-09-11
•
Expires: 1966-07-26
Abstract
No abstract record available.
Inventors
- 👤 Howard C Black
- 👤 William M Leaders
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:22
CPC Classifications
C; C07; C07C; C07C29/00; C07C29/09; C07C29/095; C07C29/74; C07C29/76; C07C29/86
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A PROCESS FOR THE TREATMENT OF WAXES CONTAINING SATURATED AND UNSATURATED ESTERIFIED ALCOHOLS, WHICH COMPRISES, SAPONIFYING THE WAX TO OBTAIN SOAP AND THE ALCOHOLS, SUBJECTING THE SAPONIFICATION PRODUCTS WHILE FLUID IN THE PRESENCE OF A LIQUEFIED NORMALLY GASEOUS HYDROCARBON TO AN ELEVATED TEMPERATURE AND SUPERATMOSPHERIC PRESSURE WHEREBY TWO FRACTIONS ARE FORMED, THE LOWER OF SAID FRACTIONS CONTAINING SOAP AND THE OTHER CONTAINING THE ALCOHOLS, SUBJECTING THE LATTER FRACTION TO INCREASED PRESSURE AND TEMPERATURE IN THE PRESENCE OF ADDITIONAL LIQUEFIED NORMALLY GASEOUS HYDROCARBON WHEREBY TOW PHASES ARE OBTAINED, THE UPPER OF WHICH IS RELATIVELY RICH IN SATURATED ALCOHOLS, AND SEPARATING THE PHASES.
Claim 2
Dependent Claim
101 words
A PROCESS FOR THE TREATMENT OF WAXES CONTAINING SATURATED AND UNSATURATED ESTERIFIED ALCOHOLS, WHICH COMPRISES, SAPONIFYING THE WAX TO OBTAIN SOAP AND THE ALCOHOLS, SUBJECTING THE SAPONIFICATION PRODUCTS WHILE FLUID IN THE PRESENCE OF A LIQUEFIED NORMALLY GASEOUS HYDROCARBON TO AN ELEVATED TEMPERATURE AND SUPERATMOSPHERIC PRESSURE WHEREBY TWO FRACTIONS ARE FORMED, THE LOWER OF SAID FRACTIONS CONTAINING SOAP AND THE OTHER CONTAINING THE ALCOHOLS, SUBJECTING THE LATTER FRACTION TO INCREASED PRESSURE AND TEMPERATURE IN THE PRESENCE OF ADDITIONAL LIQUEFIED NORMALLY GASEOUS HYDROCARBON WHEREBY TOW PHASES ARE OBTAINED, THE UPPER OF WHICH IS RELATIVELY RICH IN SATURATED ALCOHOLS, AND SEPARATING THE PHASES.
References Cited (Backward Citations)
US1985871A
Cited
US2004131A
Cited
GB439128A
Cited
US2193321A
Cited
US2388412A
Cited
US2318749A
Cited
US2380414A
Cited
US2440029A
Cited
US2394968A
Cited
US2432021A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-10 | 1955-03-12 | 1955-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-10 | 1959-03-12 | 1959-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-10 | 1963-03-12 | 1963-09-11 | $7700.00 | Window Closed / Lapsed |