CEREFI OY

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C08H DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS 114
 
  
 
D21B FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT19
 
  
 
D21H PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C, D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR 137

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8956502 Method for separating the main components of lignocellulosic materialsApr 18, 06Feb 17, 15[D21B, C08H, D21H, D21C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2004/0231,059 Method for preparation of absorbing substancesAbandonedMay 24, 04Nov 25, 04[D06M]

Top Inventors for This Owner

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