US2689228A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymerizable compositions comprising an aldehyde-reaction product of an unsaturatedguanamine and polymerization products thereof
Assignee: Wyeth Holdings LLC
•
Filing: 1952-07-18
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Granted: 1954-09-14
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Expires: 1972-07-18
Abstract
No abstract record available.
Inventors
- 👤 Walter M Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:53
CPC Classifications
C; C08; C08G; C08G12/00; C08G12/02; C08G12/26; C08G12/30; C08G12/32; Y; Y10; Y10S; Y10S156/00; Y10S156/91
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
26 words
A POLYMERIZABLE COMPOSITION COMPRISING (1) A POLYMERIZABLE PRODUCT OF REACTION OF INGREDIENTS COMPRISING (A) AN ALDEHYDE AND (B) AN AMIDOGEN COMPOUND REPRESENTED BY THE GENERAL FORMULA
Claim 2
Dependent Claim
26 words
A POLYMERIZABLE COMPOSITION COMPRISING (1) A POLYMERIZABLE PRODUCT OF REACTION OF INGREDIENTS COMPRISING (A) AN ALDEHYDE AND (B) AN AMIDOGEN COMPOUND REPRESENTED BY THE GENERAL FORMULA
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-13 | 1958-03-15 | 1958-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-13 | 1962-03-15 | 1962-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-13 | 1966-03-15 | 1966-09-14 | $7700.00 | Window Closed / Lapsed |