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US3586527A Expired / Lapsed US ⏱️ 0.0 years remaining

Tetravinyl-unsaturated resin paint composition and painting process

Assignee: EIDP Inc
•
Filing: 1969-08-04
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Granted: 1971-06-22
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Expires: 1989-08-04
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Abstract

Abstract A SUBSTRATE IS COATED WITH A FILM-FORMING COMPOSITION CONSISTING ESSENTIALLY OF A UNIQUE TETRAVINYL COMPOUND HAVING A MOLECULAR WEIGHT BELOW ABOUT 350, PREFERABLY IN THE RANGE OF ABOUT 220 TO ABOUT 1,1100, AND AN ALPHABETA OLEFINICALLY UNSATURATED PAINT BINDER RESIN HAVING A MOLECULAR WEIGHT IN EXCESS OF ABOUT 1,000, PREFERABLY IN THE RANGE OF ABOUT 2,000 TO ABOUT 20,000, IS CONVERTED INTO A TENACIOUSLY ADHERING, SOLVENT-RESISTANT, WEAR AND WEATHER-RESISTANT COATING BY EXPOSING THE COATED SUBSTRATE TO IONIZING RADIATION, PREFERABLY IN THE FORM OF AN ELECTRON BEAM. THIS TETRAVINYL COMPOUND IS FORMED BY FIRST REACTING A DIEPOXIDE WITH ACRYLIC ACID AND/OR METHACRYLIC ACID AND SUBSEQUENTLY REACTING THE RESULTANT ESTER CONDENSATION PRODUCT WITH A VINYL UNSATURATED ACYL HALIDE.

Inventors

  • 👤 Elihu J Aronoff
  • 👤 Santokh S Labana

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 14:06
CPC Classifications
C; C09; C09D; C09D167/00; C09D167/06; C08; C08F; C08F2/00; C08F2/46; C08F290/00; C08F290/02; C08F290/06; C08F290/064; C08F291/00; C08F299/00; C08F299/02; C08F299/026; C09D4/00; C09D4/06; B; B05; B05D; B05D3/00; B05D3/06; B05D3/068; Y; Y10; Y10S; Y10S525/00; Y10S525/922; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31511; Y10T428/31529

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) 1974-06-21 1974-12-21 1975-06-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-06-21 1978-12-21 1979-06-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-06-21 1982-12-21 1983-06-22 $7700.00 Window Closed / Lapsed

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