US2980734A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thiopseudourea derivatives
Assignee: Monsanto Chemicals Ltd
•
Filing: 1959-03-10
•
Granted: 1961-04-18
•
Expires: 1979-03-10
Abstract
No abstract record available.
Inventors
- 👤 Kosmin Milton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:06
CPC Classifications
C; C07; C07C; C07C335/00; C07C335/30; C07C335/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
15 words
A 2-(2-(ALKYLMERCAPTO)ETHYL)-2-THIOSPSEUDOUREA HYDROCHLORIDE IN WHICH THE ALKYL RADICAL HAS FROM 8 TO 18 CARBON ATOMS.
Claim 2
Dependent Claim
15 words
A 2-(2-(ALKYLMERCAPTO)ETHYL)-2-THIOSPSEUDOUREA HYDROCHLORIDE IN WHICH THE ALKYL RADICAL HAS FROM 8 TO 18 CARBON ATOMS.
References Cited (Backward Citations)
US2302762A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-17 | 1964-10-17 | 1965-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-17 | 1968-10-17 | 1969-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-17 | 1972-10-17 | 1973-04-18 | $7700.00 | Window Closed / Lapsed |