US2561673A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conversion of disulfides to thia-succinic acids
Assignee: Standard Oil Co
•
Filing: 1949-12-03
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Granted: 1951-07-24
•
Expires: 1969-12-03
Abstract
No abstract record available.
Inventors
- 👤 Wayne A Proell
- 👤 Chester E Adams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:02
CPC Classifications
C; C07; C07C; C07C321/00; C07C323/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
A PROCESS FOR THE PRODUCTION OF A THIA-SUCCINIC COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
12 words
A PROCESS FOR THE PRODUCTION OF A THIA-SUCCINIC COMPOUND HAVING THE FORMULA
References Cited (Backward Citations)
FR845793A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-23 | 1955-01-22 | 1955-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-23 | 1959-01-22 | 1959-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-23 | 1963-01-22 | 1963-07-24 | $7700.00 | Window Closed / Lapsed |