Patent US2700033A successfully refreshed from Google Patents.
US2700033A
Expired / Lapsed
US
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5-hydroxy-2-keto-4, 5-diamino-4-ureidoimidazolidine aldehyde resins
Assignee: Monsanto Chemicals Ltd
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Filing: 1950-10-07
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Granted: 1955-01-18
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Expires: 1970-10-07
Abstract
No abstract record available.
Inventors
- 👤 Boyd Thomas
- 👤 Henry A Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:53
CPC Classifications
C; C08; C08G; C08G12/00; C08G12/02; C08G12/26; C08G12/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
A THERMOSETTING RESIN COMPRISING THE CONDENSATION PRODUCT OF 5-HYDROXY-2-KETO-4,5-DIAMINO-4-UREIDO-IMIDAZOLIDINE AND AN ALDEHYDE.
Claim 2
Dependent Claim
12 words
A THERMOSETTING RESIN COMPRISING THE CONDENSATION PRODUCT OF 5-HYDROXY-2-KETO-4,5-DIAMINO-4-UREIDO-IMIDAZOLIDINE AND AN ALDEHYDE.
References Cited (Backward Citations)
US2332303A
Cited
US2514353A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-17 | 1958-07-19 | 1959-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-17 | 1962-07-19 | 1963-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-17 | 1966-07-19 | 1967-01-18 | $7700.00 | Window Closed / Lapsed |