Domtar Inc.

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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

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5147503 Recycling waste cellulosic material with sodium sulphide digestionMar 01, 91Sep 15, 92[D21C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2009/0148,608 Coated Multipurpose Paper, Process And Composition ThereofAbandonedMar 05, 06Jun 11, 09[B41M, B05D]
2006/0071,060 Carton for sheet items having a closable integral lidAbandonedOct 04, 05Apr 06, 06[B65D]
6596197 Potassium monofluorophosphate as a corrosion inhibitorExpiredJul 01, 02Jul 22, 03[C04B]
6461475 Base sheet for wallcoveringsExpiredMay 30, 01Oct 08, 02[D21H]
6440269 Base sheet for wallcoveringsExpiredDec 06, 99Aug 27, 02[C08F]
6159585 Security paperExpiredSep 23, 99Dec 12, 00[B32B]
5938036 Assembly of packaged reams and method thereforExpiredSep 17, 98Aug 17, 99[B65D]
5886903 Method and knowledge-based system for diagnosis in biological treatment of waste waterExpiredOct 10, 96Mar 23, 99[G06F]
5716528 Peroxide water treatment processExpiredOct 11, 95Feb 10, 98[C02F]
5647191 Assembly of packaged reams and method thereforExpiredDec 21, 95Jul 15, 97[B65B]
5486268 Oxygen delignification of old corrugated containersExpiredJun 16, 94Jan 23, 96[D21C]
5449200 Security paper with color markExpiredOct 19, 93Sep 12, 95[B42D]
5350493 Oxygen delignification of old corrugated containersExpiredDec 20, 93Sep 27, 94[D21C]
5314755 Method to reduce scaling due to freezing and thawing in concreteExpiredOct 15, 92May 24, 94[C09K, B32B]
5307928 Six piece appliance packageExpiredFeb 03, 93May 03, 94[B65D]
5302244 Oxygen delignification of waste cellulosic paper productsExpiredFeb 18, 92Apr 12, 94[D21F]
5135612 Methods for making exploded bark productsExpiredMar 11, 91Aug 04, 92[D21H]
5127954 Corrosion inhibiting systems, products containing residual amounts of such systems, and methods thereforExpiredDec 04, 90Jul 07, 92[C04B]
5071579 Corrosion inhibiting systems, products containing residual amounts of such systems, and methods thereforExpiredDec 12, 88Dec 10, 91[C09K]
5021122 Exploded bark productsExpiredJan 22, 90Jun 04, 91[D21H]

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