US2560296A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of thioamides
Assignee: Rohm and Haas Co
•
Filing: 1948-08-20
•
Granted: 1951-07-10
•
Expires: 1968-08-20
Abstract
No abstract record available.
Inventors
- 👤 Charles L Levesque
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:16
CPC Classifications
C; C07; C07C; C07C233/00; C07C319/00; C07C319/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
9 words
A PROCESS FOR PREPARING THIOAMIDES HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
9 words
A PROCESS FOR PREPARING THIOAMIDES HAVING THE GENERAL FORMULA
References Cited (Backward Citations)
US2495567A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-09 | 1955-01-08 | 1955-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-09 | 1959-01-08 | 1959-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-09 | 1963-01-08 | 1963-07-10 | $7700.00 | Window Closed / Lapsed |