US Patent 7713422 Black liquor treatment method
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Patent abstract
Lignin and alkali are efficiently sorted out of alkaline black liquor discharged from the paper manufacturing/pulp and paper manufacturing industries and the treated water is made as purified water.
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Patent Inventor Names
Akira Ako0
Sadao Kitagawa0
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US Patent 07713422 Black liquor treatment method US Patent 7713422 Black liquor treatment method
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Patent Number
077134220
Patent Number
77134220
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Official Website
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Patent Jurisdiction
Patent Number
077134220
Date of Patent
May 11, 2010
0Patent Application Number
116294840
Date Filed
September 7, 2005
0Official Website
Patent Primary Examiner
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US Patent 07713422 Black liquor treatment method
Infobox
Is a
Patent jurisdiction
Patent number
07713422
Date of patent
May 11, 2010
Patent application number
11629484
Date Filed
September 7, 2005
Patent primary examiner
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