Patent US2832756A successfully refreshed from Google Patents.
US2832756A
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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: 1957-05-20
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Granted: 1958-04-29
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Expires: 1977-05-20
Abstract
No abstract record available.
Inventors
- 👤 Melamed Sidney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:31
CPC Classifications
C; C07; C07C; C07C335/00; C07C335/04; C07C335/06; C07C335/10; C07C323/00; C07C323/23; C07C323/39; C07C323/43; C07C323/44; C07C335/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
10 words
AS A COMPOSITION OF MATTER, A COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
10 words
AS A COMPOSITION OF MATTER, A COMPOUND HAVING THE FORMULA
References Cited (Backward Citations)
No citation records indexed.
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 |