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HOLMEN AKTIEBOLAG

Overview
  • Total Patents
    30
About

HOLMEN AKTIEBOLAG has a total of 30 patent applications. Its first patent ever was published in 1992. It filed its patents most often in WIPO (World Intellectual Property Organization), Canada and EPO (European Patent Office). Its main competitors in its focus markets textiles and paper, basic materials chemistry and machines are FUJIAN JINJIANG YOULANFA PAPER IND CO LTD, GUANGXI APP PAPER CO LTD and SHANDONG SUN PAPER IND JOINT STOCK CO LTD.

Patent filings per year

Chart showing HOLMEN AKTIEBOLAGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Engstrand Per 8
#2 Sandberg Christer 7
#3 Zhang Yijing 5
#4 Letzelter Philippe Gilbert 4
#5 Nasholm Lars Torgny 4
#6 Lundh Anna Margareta 4
#7 Ohlund Jonas Erik Gustav 4
#8 Starck Goeran 3
#9 Jonsson Jonas 3
#10 Ni Yonghao 3

Latest patents

Publication Filing date Title
CN101466897A Method for stabilizing the whiteness of fluorescent whitening agent(s)(FWA) included in surface-treatment size/coating slip for paper and of surface-treatment layers formed thereof
WO2007067127A1 A method for the purification of contamined aqueous liquid in a pulp or paper mill
CA2524177A1 A method for selective removal of ray cells from cellulose pulp
WO2004050994A1 A method for increasing the stability of fluorescent whitening agent
WO03046518A1 Method and system of apparatus for extracting liquid from cellulose pulp of high pulp consistency for analysis purposes
AU7477601A Security paper/paperboard and a method of producing security paper/paperboard
CA2395824A1 Method for bleaching mechanical and chemithermomechanical pulp
WO0053844A1 Method for manufacturing bleached mechanical and chemithermomechanical pulp
DK141592D0 Polymer screen for seedlings and trees to protect against pests