US3346611A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of thiol esters having alpha-sulfide linkages
Assignee: Phillips Petroleum Co
•
Filing: 1965-01-08
•
Granted: 1967-10-10
•
Expires: 1985-01-08
Abstract
No abstract record available.
Inventors
- 👤 Richard C Doss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:40
CPC Classifications
C; C07; C07C; C07C327/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A METHOD OF PREPARING A THIOL ESTER HAVING A SULFIDE LINKAGE ALPHA TO THE ESTER GROUP COMPRISING CONTACTING A THIOL OF THE FORMULA RSH WHEREIN R IS A MONOVALENT HYDROCARBON RADICAL CONTAINING FROM 1 TO 18 CARBON ATOMS AND SELECTED FROM THE GROUP CONSISTING OF ALKYL, CYCLOALKYL, ALKENYL, CYCLOALKENYL, AND ARYL WITH AN ALPHAOXO ALDEHYDE, THE CONTACTING BEING CARRIED OUT UNDER A PRESSURE SUFFICIENT TO KEEP THE REACTANTS SUBSTANTIALLY LIQUID AND AT A TEMPERATURE OF FROM ABOUT 80 TO ABOUT 300*C.
Claim 2
Independent Claim
81 words
A METHOD OF PREPARING A THIOL ESTER HAVING A SULFIDE LINKAGE ALPHA TO THE ESTER GROUP COMPRISING CONTACTING A THIOL OF THE FORMULA RSH WHEREIN R IS A MONOVALENT HYDROCARBON RADICAL CONTAINING FROM 1 TO 18 CARBON ATOMS AND SELECTED FROM THE GROUP CONSISTING OF ALKYL, CYCLOALKYL, ALKENYL, CYCLOALKENYL, AND ARYL WITH AN ALPHAOXO ALDEHYDE, THE CONTACTING BEING CARRIED OUT UNDER A PRESSURE SUFFICIENT TO KEEP THE REACTANTS SUBSTANTIALLY LIQUID AND AT A TEMPERATURE OF FROM ABOUT 80 TO ABOUT 300*C.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |