US2993044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diureides and method for their preparation
Assignee: Monsanto Chemicals Ltd
•
Filing: 1958-12-19
•
Granted: 1961-07-18
•
Expires: 1978-12-19
Abstract
No abstract record available.
Inventors
- 👤 Applegath Fred
- 👤 Raymond A Franz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:08
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/16; C07D295/20; C07D295/215; C07C; C07C273/00; C07C273/18; C07C273/1809; C07D215/00; C07D215/02; C07D215/04; C07D215/08; C07D217/00; C07D217/02; C07D217/06; C07D219/00; C07D219/04; C07D219/08
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
13 words
A DIUREIDO COMPOUND HAVING A GENERAL FORMULA SELECTED FROM THE GROUP CONSISTING OF
Claim 2
Dependent Claim
13 words
A DIUREIDO COMPOUND HAVING A GENERAL FORMULA SELECTED FROM THE GROUP CONSISTING OF
Claim 3
Dependent Claim
4 words
THE COMPOUND 1,4-BIS(4-MORPHOLINOCARBOXAMIDO) BENZENE.
Claim 4
Dependent Claim
4 words
THE COMPOUND 1,4-BIS(4-MORPHOLINOCARBOXAMIDO) BENZENE.
References Cited (Backward Citations)
US2714117A
Cited
US2857430A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-17 | 1965-01-16 | 1965-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-17 | 1969-01-16 | 1969-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-17 | 1973-01-16 | 1973-07-18 | $7700.00 | Window Closed / Lapsed |