HEAT-TREATMENT OF WATER-ABSORBING POLYMERIC PARTICLES IN A FLUIDIZED BED AT A FAST HEAT-UP RATE

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United States of America Patent

APP PUB NO 20140345154A1
SERIAL NO

14358792

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention relates to a method for heat-treating water-absorbing polymeric particles at a temperature equal to or above 150° C. in a fluidized bed dryer at a fast heat-up rate, the use of a fluidized bed dryer for heat-treating water-absorbing polymeric particles in continuous or batch mode as well as to the heat-treated polymeric particles obtained by the method of the present invention.

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Patent Owner(s)

Patent OwnerAddress
EVONIK SUPERABSORBER GMBHESSEN

International Classification(s)

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  • 2012 Application Filing Year
  • F26B Class
  • 315 Applications Filed
  • 251 Patents Issued To-Date
  • 79.69 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances201220132014201520162017201820192020202120220255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Auernig, Sabine Haguenau, FR 4 43
Gartner, Herbert Baden-Baden, DE 13 354
Hager, Marc Haguenau, FR 10 170
Kohler, Hans-Peter Buhlertal, DE 9 167
Lacker, Elisabeth Rheinau-Freistett, DE 2 3
Plochinger, Harald Buhl, DE 6 70

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  • 0 Citation Count
  • F26B Class
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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges35181256321101 - 1011 - 2021 - 3031 - 4041 - 5061 - 7081 - 900102030405060708090100110120130140150160170180190200

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