US2999105A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparation of esters of thiosulfinic acids
Assignee: Phillips Petroleum Co
•
Filing: 1957-05-20
•
Granted: 1961-09-05
•
Expires: 1977-05-20
Abstract
No abstract record available.
Inventors
- 👤 Rector P Louthan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:35
CPC Classifications
C; C07; C07C; C07C381/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
THE PROCESS OF PREPARING AN ORGANIC ESTER OF THE THIOSULFINIC ACID HAVING THE FORMULA
Claim 2
Dependent Claim
14 words
THE PROCESS OF PREPARING AN ORGANIC ESTER OF THE THIOSULFINIC ACID HAVING THE FORMULA
References Cited (Backward Citations)
US2508745A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-04 | 1965-03-06 | 1965-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-04 | 1969-03-06 | 1969-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-04 | 1973-03-06 | 1973-09-05 | $7700.00 | Window Closed / Lapsed |