21ST CENTURY PULP AND PAPER, LLC

Patent Owner

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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 THEREFOR226

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5785810 Wood pulp processing apparatus and methodFeb 18, 94Jul 28, 98[D21C]
5482594 Liquid removal apparatus and method for wood pulpJun 11, 92Jan 09, 96[D21C]

Expired/Abandoned/Withdrawn Patents

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Top Inventors for This Owner

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