US2503209A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unsaturated alkyd reacted with unsaturated isocyanate
Assignee: Wyeth Holdings LLC
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Filing: 1948-01-30
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Granted: 1950-04-04
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Expires: 1968-01-30
Abstract
No abstract record available.
Inventors
- 👤 Arthur S Nyquist
- 👤 Edward L Krops
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:30
CPC Classifications
C; C07; C07C; C07C265/00; C08; C08F; C08F299/00; C08F299/02; C08F299/04; C08F299/0478; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/67; C08G18/68; C08G18/70; C08G18/81; C08G18/8108; Y; Y10; Y10S; Y10S156/00; Y10S156/91
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
A POLYMERIZABLE COMPOSITION COMPRISING A POLYMERIZABLE PRODUCT OF REACTION OF INGREDIENTS COMPRISING (1) AN ORGANIC SOLVENT-SOLUBLE UNSATURATED ALKYD RESIN CONTAINING A PLURALITY OF POLYMERIZABLY REACTIVE ALPHA,BETA-ENAL GROUPS, AND (2) FROM 3 TO 25%, BY WEIGHT OF THE ALKYD RESIN OF (1), OF A PRIMARY ISOCYANATE REPRESENTED BY THE GENERAL FORMULA
Claim 2
Dependent Claim
50 words
A POLYMERIZABLE COMPOSITION COMPRISING A POLYMERIZABLE PRODUCT OF REACTION OF INGREDIENTS COMPRISING (1) AN ORGANIC SOLVENT-SOLUBLE UNSATURATED ALKYD RESIN CONTAINING A PLURALITY OF POLYMERIZABLY REACTIVE ALPHA,BETA-ENAL GROUPS, AND (2) FROM 3 TO 25%, BY WEIGHT OF THE ALKYD RESIN OF (1), OF A PRIMARY ISOCYANATE REPRESENTED BY THE GENERAL FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-04-03 | 1953-10-03 | 1954-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-03 | 1957-10-03 | 1958-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-03 | 1961-10-03 | 1962-04-04 | $7700.00 | Window Closed / Lapsed |