TWO-COMPONENT WATER-BASED COMPOSITIONS THAT PRODUCE HIGH GLOSS POLYURETHANE COATINGS WITH GOOD APPEARANCE

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United States of America Patent

APP PUB NO 20150322292A1
SERIAL NO

14270554

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Two-component water-based coating compositions are described. The coating compositions include a mixture of components that includes: (a) an aqueous dispersion of a resin comprising functional groups reactive with isocyanates; and (b) a hydrophilicized polyisocyanate. The mixture includes (i) propylene carbonate that is present in the mixture in an amount of greater than 2 percent by weight, based on the total weight of the mixture; and (ii) a ratio of isocyanate groups to functional groups reactive with isocyanates of 0.8 to 3.0:1.

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Patent Owner(s)

Patent OwnerAddress
COVESTRO LLC1 COVESTRO CIRCLE PITTSBURGH PA 15205

International Classification(s)

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  • 2014 Application Filing Year
  • C09D Class
  • 2516 Applications Filed
  • 1980 Patents Issued To-Date
  • 78.70 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2014201520162017201820192020202120222023202420250255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Allen, Kathy Scenery Hill, US 7 81
Pierce, Joseph Pittsburgh, US 10 128
Yano, Irene McKees Rocks, US 1 4

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  • 4 Citation Count
  • C09D Class
  • 14.46 % this patent is cited more than
  • 10 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges592704918712201 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 70020406080100120140160180200220240260280300

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