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EKA AB

Overview
  • Total Patents
    183
About

EKA AB has a total of 183 patent applications. Its first patent ever was published in 1973. It filed its patents most often in Sweden, EPO (European Patent Office) and Canada. Its main competitors in its focus markets textiles and paper, chemical engineering and materials and metallurgy are NATHAN SULZBERGER, EKA CHEMICALS AB and PLASMINE CORP.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Sunden Olof 14
#2 Otterstedt Jan-Erik Anders 14
#3 Holmberg Krister 13
#4 Dahlqvist Per-Arne 12
#5 Larsson Hans Magnus 12
#6 Larsson Bernt 10
#7 Otterstedt J-E A 10
#8 Herrmann Wolfgang 10
#9 Andersson Kjell Rune 10
#10 Batelson Per Gunnar 10

Latest patents

Publication Filing date Title
CN1003799B Process for making paper
EP0194981A2 A method of manufacturing bleached chemimechanical and semichemical fibre pulp by means of a one-stage impregnation process
EP0194982A2 A method of manufacturing bleached chemimechanical and semichemical fibre pulp by means of a two-stage impregnation process
CA1339849C Hydrophobing agent for cellulosic fibres, method of preparing the agent,and use of the agent for stock hydrophobation
CA1250703A Papermaking process
EP0153289A2 Soil-repellent coating composition
EP0153911A1 Catalytic exhaust emission control device and a method of making it
BR8504994A Load or support for catalytically active substances, a process to produce that load or support, a catalyst produced from that support, and the use of that catalyst
EP0169876A1 Fine particles with a surface coating of metal or metal compound, particulalrly a catalytically active substance, and a method of producing them
WO8404324A1 Machine dishwashing composition
EP0118405A2 Polyol-alkali metal silicate emulsion of low water content, and a process for the production thereof
CA1208619A Process in the separation of catalyst particles suspended in liquid
CA1208618A Process and apparatus in the separation of catalyst particles suspended in liquid
EP0102934A2 A method in the production of hydrogen peroxide
EP0101099A1 Process for making a surface-modified, granulated alkali metal metasilicate pentahydrate, and use thereof
SE8207375D0 Process for reducing the ignition and fire risk when producing hydrogen peroxide according to the anthraquinone method as well as a device for completing the process
EP0080986A2 A process for papermaking
SE8205919D0 Catalyst for hydrogen treatment of petroleum oils and method for producing this.
US4503028A Method in the production of hydrogen peroxide
EP0075545A1 A filler-containing polyester and a process for the preparation thereof