US2571114A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Di(tert-alkyl) mercaptals
Assignee: Phillips Petroleum Co
•
Filing: 1946-09-27
•
Granted: 1951-10-16
•
Expires: 1966-09-27
Abstract
No abstract record available.
Inventors
- 👤 Willie W Crouch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:54
CPC Classifications
C; C07; C07C; C07C321/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
19 words
AS NOVEL AND USEFUL CHEMICAL COMPOUNDS, DI(TERT-ALKYL) MERCAPTALS WHEREIN SAID ALKYL GROUP CONTAINS FROM 4 TO 16 CARBON ATOMS.
Claim 2
Dependent Claim
19 words
AS NOVEL AND USEFUL CHEMICAL COMPOUNDS, DI(TERT-ALKYL) MERCAPTALS WHEREIN SAID ALKYL GROUP CONTAINS FROM 4 TO 16 CARBON ATOMS.
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) | 1954-10-15 | 1955-04-16 | 1955-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-15 | 1959-04-16 | 1959-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-15 | 1963-04-16 | 1963-10-16 | $7700.00 | Window Closed / Lapsed |