US2624762A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydroxy aliphatic derivatives of symmetrical di-aromatic thioureas
Assignee: Monsanto Chemicals Ltd
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Filing: 1949-05-04
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Granted: 1953-01-06
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Expires: 1969-05-04
Abstract
No abstract record available.
Inventors
- 👤 Paul M Downey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:02
CPC Classifications
C; C07; C07C; C07C335/00; C07C335/30; C07C335/32; C23; C23G; C23G1/00; C23G1/02; C23G1/04; C23G1/06; C23G1/065
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
AS A NEW COMPOSITION OF MATTER A COMPOUND OF THE STRUCTURE
Claim 2
Dependent Claim
11 words
AS A NEW COMPOSITION OF MATTER A COMPOUND OF THE STRUCTURE
References Cited (Backward Citations)
US1970578A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-06 | 1956-07-07 | 1957-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-06 | 1960-07-07 | 1961-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-06 | 1964-07-07 | 1965-01-06 | $7700.00 | Window Closed / Lapsed |