Method and apparatus for processing wood chips

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United States of America Patent

PATENT NO 7713382
APP PUB NO 20090084511A1
SERIAL NO

11719639

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Abstract

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A method and an apparatus for processing wood chips, wherein the wood chips are treated with steam in a gas removal apparatus. The condensate formed in the gas removal apparatus is removed from the gas removal apparatus and the wood chips are treated with a processing solution in order to remove metal ions from the wood chips. Condensate formed in the gas removal apparatus is used as processing solution.

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Patent Owner(s)

  • VALMET TECHNOLOGIES, INC.

International Classification(s)

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  • 2005 Application Filing Year
  • D21C Class
  • 60 Applications Filed
  • 20 Patents Issued To-Date
  • 33.34 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20052006200720082009201020112012201320142015201620170255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hernesniemi, Lasse Pietarsaari, FI 12 56
Lampinen, Rami Tampere, FI 9 28
Tuominen, Antti Pori, FI 11 388

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Patent Citation Ranking

  • 2 Citation Count
  • D21C Class
  • 14.17 % this patent is cited more than
  • 15 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges1786113301 - 1011 - 2021 - 3031 - 4005101520253035404550556065707580859095

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