Process and apparatus for simultaneously grinding and drying material to be ground containing moist cellulose ether

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5921479
SERIAL NO

08946419

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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In the process and the apparatus, a gas stream is divided into three partial gas streams. The first partial gas stream transports the material to be ground into the grinding and friction space of a mill (26), while the second partial gas stream runs around the friction space in the mill. The third partial gas stream is connected to the output side of the mill and takes up the reduced and dried ground material, transported out of the mill by the first and second partial gas streams, in order to transport it to a separator (30).

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Patent Owner(s)

Patent OwnerAddress
CLARIANT GMBHBRUNINGSTRASSE 50 D-65929 FRANKFURT AM MAIN

International Classification(s)

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  • 1997 Application Filing Year
  • B02C Class
  • 272 Applications Filed
  • 116 Patents Issued To-Date
  • 42.65 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances1997199819992000200120020255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Doenges, Reinhard Bad Soden, DE 16 184
Sponheimer, Manfred Wiesbaden, DE 4 45
Welt, Guenther Gau-Bischofsheim, DE 4 29
Ziegelmayer, Manfred Bischofsheim, DE 6 64

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Patent Citation Ranking

  • 11 Citation Count
  • B02C Class
  • 74.79 % this patent is cited more than
  • 26 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges1915643132101 - 1011 - 2021 - 3031 - 4081 - 900102030405060708090100110120130140150160170

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