PULP AND PAPER RESEARCH INSTITUTE OF CANADA
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Feb 17, 2005 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 391 Total Citation Count
- Jun 07, 1978 Earliest Filing
- 40 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
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Top Patents (by citation)
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Recent Publications
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Recent Patents
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Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
2005/0037,350 Nucleic acid-based method for tree phenotype prediction: dna markers for fibre coarseness, microfibril angle, pulp strength and yield, lignin content, pitch propensity and calcium accumulation determinantsAbandonedDec 22, 03Feb 17, 05[C12Q, C12P]
6670524 Method for predicting fiber length using QTL's and molecular markersExpiredJan 31, 00Dec 30, 03[C12N, A01H]
2003/0134,311 Nucleic acid-based method for tree phennotype predictionAbandonedDec 17, 02Jul 17, 03[C12Q, A01H]
2002/0144,794 Kraft pulp yield by heat treatment of polysulphide liquors generated by oxidationAbandonedJan 23, 02Oct 10, 02[D21C]
2002/0144,795 Electrochemical method for determinating lignin content of pulpAbandonedMay 30, 02Oct 10, 02[D21C]
2002/0056,534 Light-stable lignocellulosic materials and their productionAbandonedSep 13, 01May 16, 02[D21C]
2002/0053,640 Determination of ionic species concentration by near infrared spectroscopyAbandonedNov 30, 01May 09, 02[G01N]
2001/0020,522 Process for manufacturing high-yield, high-strength pulp at low energyAbandonedApr 25, 01Sep 13, 01[D21B, D21C]
5968326 Composite inorganic-polymer thin film cation-selective membrane, method of fabricating same and applicationsExpiredApr 08, 98Oct 19, 99[C25B]
5766415 Process for delignification and bleaching of chemical wood pulps with peroxide and dicyandiamide activatorExpiredFeb 25, 97Jun 16, 98[D21C]
5620563 Process for delignification and bleaching of chemical wood pulps with hydrogen peroxide and a dicyandiamide activatorExpiredOct 31, 94Apr 15, 97[D21C]
5611889 Exothermic bleaching of high-yield pulps simultaneously with oxygen and borohydrideExpiredOct 31, 95Mar 18, 97[D21C]
5366593 Bleaching of lignocellulosic material with in-situ-generated dioxiraneExpiredAug 11, 92Nov 22, 94[D21C]
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