US2634291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Primary and secondary alkyl sulfenyl trithiocarbonates
Assignee: Phillips Petroleum Co
•
Filing: 1951-11-13
•
Granted: 1953-04-07
•
Expires: 1971-11-13
Abstract
No abstract record available.
Inventors
- 👤 Philip M Arnold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:37
CPC Classifications
C; C07; C07C; C07C329/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
8 words
AN ALKYL SULFENYL TRITHIOCARBONATE HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
8 words
AN ALKYL SULFENYL TRITHIOCARBONATE HAVING THE GENERAL FORMULA
Claim 3
Dependent Claim
2 words
DI-N-BUTYLSULFENYL TRITHIOCARBONATE.
Claim 4
Dependent Claim
2 words
DI-N-BUTYLSULFENYL TRITHIOCARBONATE.
References Cited (Backward Citations)
US1659396A
Cited
US2574457A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-06 | 1956-10-06 | 1957-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-06 | 1960-10-06 | 1961-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-06 | 1964-10-06 | 1965-04-07 | $7700.00 | Window Closed / Lapsed |