US2595786A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of topped oxo alcohol with molecular oxygen and caustic
Assignee: Standard Oil Development Co
•
Filing: 1950-06-01
•
Granted: 1952-05-06
•
Expires: 1970-06-01
Abstract
No abstract record available.
Inventors
- 👤 Cecil H Hale
- 👤 Jr Charles E Starr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:11
CPC Classifications
C; C07; C07C; C07C29/00; C07C29/74; C07C29/88
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A PROCESS FOR THE TREATMENT OF A WATER-IMMISCIBLE PRIMARY, C4 TO C20 ALCOHOL CONTAINING SULFUR IMPURITIES PRODUCED BY THE OXO PROCESS AND FROM WHICH COMPONENTS MORE VOLATILE THAN THE ALCOHOL HAVE BEEN REMOVED, WHICH COMPRISES THE LIQUID-PHASE INTIMATE CONTACTING OF THE TOPPED OXO ALCOHOL AT TEMPERATURES OF 100*-250* C. WITH AN EXCESS OF MOLECULAR OXYGEN AT SUPERATMOSPHERIC PRESSURES AND WITH AN AQUEOUS CAUSTIC SOLUTION OF FROM 10 TO 50 WEIGHT PER CENT CONCENTRATION AT LEAST ONCE PRIOR TO DISTILLATION, WHEREBY UNDESIRABLE IMPURITIES, PARTICULARLY THOSE OF THE SULFUR-CONTAINING CLASS, ARE RENDERED SUBSTANTIALLY HARMLESS AS COLOR-PRODUCING BODIES IN SUBSEQUENT REACTIONS OF THE ALCOHOL.
Claim 2
Dependent Claim
101 words
A PROCESS FOR THE TREATMENT OF A WATER-IMMISCIBLE PRIMARY, C4 TO C20 ALCOHOL CONTAINING SULFUR IMPURITIES PRODUCED BY THE OXO PROCESS AND FROM WHICH COMPONENTS MORE VOLATILE THAN THE ALCOHOL HAVE BEEN REMOVED, WHICH COMPRISES THE LIQUID-PHASE INTIMATE CONTACTING OF THE TOPPED OXO ALCOHOL AT TEMPERATURES OF 100*-250* C. WITH AN EXCESS OF MOLECULAR OXYGEN AT SUPERATMOSPHERIC PRESSURES AND WITH AN AQUEOUS CAUSTIC SOLUTION OF FROM 10 TO 50 WEIGHT PER CENT CONCENTRATION AT LEAST ONCE PRIOR TO DISTILLATION, WHEREBY UNDESIRABLE IMPURITIES, PARTICULARLY THOSE OF THE SULFUR-CONTAINING CLASS, ARE RENDERED SUBSTANTIALLY HARMLESS AS COLOR-PRODUCING BODIES IN SUBSEQUENT REACTIONS OF THE ALCOHOL.
References Cited (Backward Citations)
US1199271A
Cited
US1518339A
Cited
US1593304A
Cited
US1833331A
Cited
US2139179A
Cited
US2309652A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-06 | 1955-11-05 | 1956-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-06 | 1959-11-05 | 1960-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-06 | 1963-11-05 | 1964-05-06 | $7700.00 | Window Closed / Lapsed |