US3051758A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of mercaptans and sulfides
Assignee: Phillips Petroleum Co
•
Filing: 1961-05-22
•
Granted: 1962-08-28
•
Expires: 1981-05-22
Abstract
No abstract record available.
Inventors
- 👤 Richard D Franz
- 👤 Paul F Warner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:31
CPC Classifications
C; C07; C07C; C07C319/00; C07C319/02; C07C319/04; C07C319/14; C07C319/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
33 words
IN A PROCESS FOR THE PRODUCTION OF ALKYL MERCAPTANS WHEREI OLEFIN FEED STOCK IS REACTED WITH HYDROGEN SULFIDE, THE IMPROVEMENT COMPRISING CARRYING OUT SAID REACTAION IN THE PRESENCE OF A DITERTIARY ALKYL POLYSULFIDE.
Claim 2
Dependent Claim
33 words
IN A PROCESS FOR THE PRODUCTION OF ALKYL MERCAPTANS WHEREI OLEFIN FEED STOCK IS REACTED WITH HYDROGEN SULFIDE, THE IMPROVEMENT COMPRISING CARRYING OUT SAID REACTAION IN THE PRESENCE OF A DITERTIARY ALKYL POLYSULFIDE.
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) | 1965-08-27 | 1966-02-26 | 1966-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-27 | 1970-02-26 | 1970-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-27 | 1974-02-26 | 1974-08-28 | $7700.00 | Window Closed / Lapsed |