US2832755A
Expired / Lapsed
US
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Monomeric polymerizable ureido and thioureido compounds, methods for producing them and polymers thereof
Assignee: Rohm and Haas Co
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Filing: 1955-04-15
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Granted: 1958-04-29
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Expires: 1975-04-15
Abstract
No abstract record available.
Inventors
- 👤 Melamed Sidney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:03
CPC Classifications
C; C07; C07C; C07C323/00; C07C323/23; C07C323/24; C07C323/25; C07C273/00; C07C273/18; C07C273/1809; C07C273/1818; C07C273/1827; C07C275/00; C07C275/04; C07C275/06; C07C275/10; C07C335/00; C07C335/04; C07C335/06; C07C335/08; D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/327; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/31935
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
10 words
AS A COMPOSITION OF MATTER, A COMPOUND OF THE FORMULA
References Cited (Backward Citations)
US2689844A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-28 | 1961-10-28 | 1962-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-28 | 1965-10-28 | 1966-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-28 | 1969-10-28 | 1970-04-29 | $7700.00 | Window Closed / Lapsed |