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PULP PAPER RES INST

Overview
  • Total Patents
    587
About

PULP PAPER RES INST has a total of 587 patent applications. Its first patent ever was published in 1953. It filed its patents most often in Canada, United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets textiles and paper, measurement and machines are KAJAANI ELECTRONICS, SKOGSIND TEKN FOSKNINGSINST and BAI BO.

Patent filings per year

Chart showing PULP PAPER RES INSTs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Liebergott Norman 54
#2 Paleologou Michael 29
#3 Pikulik Ivan I 24
#4 Thompson Rokhsareh 22
#5 Prahacs Steven 18
#6 Leclerc Denys F 17
#7 Liebergott N 17
#8 Berry Richard Mckinnon 16
#9 Lee Chung-Li 15
#10 Berry Richard M 14

Latest patents

Publication Filing date Title
WO2007016769A1 Synergistic bleaching of lignocellulosic materials with sodium hydrosulfite and h2o-soluble phosphines or phosphonium salts
WO2007009221A1 Enhanced brightness and brightness stability of lignocellulosic materials
WO2007006150A1 Method for quantitative determination of individual polysulphide species in oxidized white liquors by means of raman spectroscopy
WO2006092045A1 Method for determining chemical pulp kappa number with visible-near infrared spectrometry
WO2006086873A1 Method for determining native wood constituents using visible-light raman spectrometry
WO2006089395A1 Near-neutral deinking of recycled pulp using phosphines or phosphonium salts
WO2005118952A1 Papermaking additive
CA2566370A1 Corrosion-resistant exterior alloy for composite tubes
CA2553421A1 Epichlorohydrin based polymers containing primary amino groups as additives in papermaking
US2005016700A1 Isolation of sclereids
EP1629276A1 Determination of contaminant particles in an aqueous pulp
US7010376B2 Diagnostic for poorly tuned control loops
AU2003275827A1 Light-stable and process-stable lignocellulosic materials and their production
AU2002317076A1 A nucleic acid-based method for tree phenotype prediction: dna markers for fibre and wood quality properties
CA2430389A1 Improved kraft pulp yield by heat treatment of polysulphide liquors generated by oxidation
CA2421397A1 Light-stable lignocellulosic materials and their production
AU7038701A A nucleic acid-based method for tree phenotype prediction
WO0179605A2 Inhibition of yellowing in papers
CA2402514A1 Refiner force sensor
AU4215001A Refiner force sensor