Kabushiki Kaisha Toa Kogyo

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 THEREFOR127

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8268124 Method for production of pulpJan 15, 08Sep 18, 12[D21C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2010/0108,274 DISPOSAL PROCESS FOR SULFIDE-FREE BLACK LIQUORSAbandonedMar 07, 08May 06, 10[D21C]

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