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US3759809A Expired / Lapsed US ⏱️ 0.0 years remaining

Radiation curable compositions comprising an isocyanate modified polyfunctional ester and a photoinitiator

Assignee: Sun Chemical Corp
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Filing: 1972-11-14
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Granted: 1973-09-18
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Expires: 1992-11-14
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Abstract

Abstract A RADIATION-CURABLE COMPOSITION COMPRISES AT LEAST ONE ISOCYANTAE-MODIFIED POLYFUNCTIONAL ESTER HAVING A HYDROXYL VALUE OF ABOUT 15-70 AND AT LEAST ONE PHOTOINITIATOR.

Inventors

  • 👤 D Carlick
  • 👤 F Marra
  • 👤 G Sprenger

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 17:27
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/027; C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/67; C08G18/675

Claims Analysis

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References Cited (Backward Citations)

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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) 1976-09-17 1977-03-19 1977-09-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-09-17 1981-03-19 1981-09-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-09-17 1985-03-19 1985-09-18 $7700.00 Window Closed / Lapsed

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