US2514299A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of mercaptans
Assignee: Standard Oil Development Co
•
Filing: 1946-07-25
•
Granted: 1950-07-04
•
Expires: 1966-07-25
Abstract
No abstract record available.
Inventors
- 👤 Simpson D Sumerford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:22
CPC Classifications
C; C07; C07C; C07C319/00; C07C319/02; C07C319/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A PROCESS FOR THE PREPARATION OF ALIPHATIC MERCAPTANS WHICH COMPRISES HEATING MIXED ALIPHATIC STRAIGHT CHAIN, PRIMARY, MONHYDRIC ALCOHOLS HAVING FROM 8 TO 16 CARBON ATOMS, ELEMENTAL SULFUR, AND HYDROGEN IN THE PRESENCE OF A TIO2 GEL HYDROGENATING CATALYST AT TEMPERATURES OF 400*-700*F. AND PRESSURES WITHIN THE RANGE OF 500 TO 2,000 LBS. PER SQ. IN. GAGE.
Claim 2
Dependent Claim
56 words
A PROCESS FOR THE PREPARATION OF ALIPHATIC MERCAPTANS WHICH COMPRISES HEATING MIXED ALIPHATIC STRAIGHT CHAIN, PRIMARY, MONHYDRIC ALCOHOLS HAVING FROM 8 TO 16 CARBON ATOMS, ELEMENTAL SULFUR, AND HYDROGEN IN THE PRESENCE OF A TIO2 GEL HYDROGENATING CATALYST AT TEMPERATURES OF 400*-700*F. AND PRESSURES WITHIN THE RANGE OF 500 TO 2,000 LBS. PER SQ. IN. GAGE.
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) | 1953-07-03 | 1954-01-02 | 1954-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-03 | 1958-01-02 | 1958-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-03 | 1962-01-02 | 1962-07-04 | $7700.00 | Window Closed / Lapsed |