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US2503209A Expired / Lapsed US ⏱️ 0.0 years remaining

Unsaturated alkyd reacted with unsaturated isocyanate

Assignee: Wyeth Holdings LLC
•
Filing: 1948-01-30
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Granted: 1950-04-04
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Expires: 1968-01-30
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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 07:47
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)

US2071250A Cited
US2327985A Cited
US2333914A Cited

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

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