METSO PAPER PORI OY

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
D21C PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE- CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR127

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7736467 Screen assembly for a pulp digesterDec 14, 04Jun 15, 10[D21C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7384501 Method for improved turpentine recovery from modern cooking plantsExpiredDec 20, 00Jun 10, 08[]
6939439 Batch process for producing chemical pulp by removing and reintroducing calcium-containing spent liquor in the digesterExpiredOct 04, 00Sep 06, 05[0000]
6789285 Pulp washing method and plantExpiredJan 17, 02Sep 14, 04[D06B]

Top Inventors for This Owner

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