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EKA CHEMICALS AB

Overview
  • Total Patents
    380
About

EKA CHEMICALS AB has a total of 380 patent applications. Its first patent ever was published in 1989. It filed its patents most often in EPO (European Patent Office), Finland and Sweden. Its main competitors in its focus markets textiles and paper, materials and metallurgy and basic materials chemistry are EKA KEMIKALS AB, CMPC TISSUE SA and EKA NOBEL AB.

Patent filings per year

Chart showing EKA CHEMICALS ABs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lagnemo Hans 55
#2 Jigstam Monica 54
#3 Lindgren Erik 41
#4 Johansson Hans 33
#5 Malmborg Kerstin 29
#6 Landfors Johan 27
#7 Thebrin Ingemar 25
#8 Norell Maria 19
#9 Wahlen Svante 16
#10 Renberg Lars 16

Latest patents

Publication Filing date Title
CN1898439A Filler for papermaking process
WO2004085485A1 Crosslinked three-dimensional polymer network, method for preparing same, support material comprising same and uses thereof
EP0852272A1 Recovery process in a pulp mill
US6113741A Process for the production of paper
EP0845526A2 Cleaning, disinfecting and bleaching composition
EP0845525A2 Cleaning, disinfecting and bleaching composition
MX9708190A Method of treating chlorine dioxide.
US5916447A Method for water treatment
EP0837038A1 Method for water treatment
US5932000A Method for preparation of a hardening composition
KR20000035997A A method for preparation of a hardening composition
CA2207527A1 Method of producing a chemical compound
AU2987297A Quaternary ammonium compounds
WO9737078A1 Surface sizing of cellulose-based products
US5938894A Absorbent cellulosic material and production thereof
US6083347A Absorbent material and production thereof
US5800603A Zeolite dispersion
TW343147B Absorbent material and production thereof
TW327666B Zeolite dispersion
TW382646B Absorbent article, absorbent material, fluff and hydrophobic substance and method for the production of absorbent material and fluff