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CHEMREC AB

Overview
  • Total Patents
    173
About

CHEMREC AB has a total of 173 patent applications. Its first patent ever was published in 1984. It filed its patents most often in Finland, Sweden and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets textiles and paper, environmental technology and basic materials chemistry are KIRAM AB, LOOMIS BURDETT and KAMYR INC.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Stigsson Lars 62
#2 Nilsson Bengt 52
#3 Bernhard Nils 17
#4 Stare Ragnar 12
#5 Landaelv Ingvar 11
#6 Tegman Ragnar 9
#7 Kignell Jan-Erik 7
#8 Lindberg Hans 7
#9 Lindblom Mats 6
#10 Hedblom Mats-Olov 6

Latest patents

Publication Filing date Title
CN103827618A Gasification reactor comprising a pressure absorbing compliant structure
EP2702202A1 Gasification of bio-oil and alkali containing energy rich aqueous solutions from pulp mills
BR112012024770A2 gasification of coarse sulphite liquor
EP1922296A2 Method for arranging a chemical barrier in a gasifying reactor for black liquor and chemical gasifying reactor
WO2004051167A1 Device for the gasification or oxidization of an energy containing fuel
SE0301326D0 Pulp and paper mill process comprises part process for recycling of cooking chemicals, which is adjusted from combustion to gasification to generate synthesis gas
WO0240768A1 A process for production of synthesis gas in combination with the maintenance of the energy balance for a pulp mill
US6780211B1 Device for gasification of spent liquor
US7217302B1 Process for cooling solid and gaseous material during gasification of spent liquor
SE9804120D0 Bleaching process for e.g. sulphate pulp, uses Caros acid prepared by reacting hydrogen peroxide with sulphuric acid obtained from gases generated during pulp waste liquor oxidation
US5405496A Process for the preparation of cooking liquors having high sulphidity for sulphate pulp cooking
US5407455A Reactor for gasification of cellulose-waste liquors especially black liquor
AU4097893A Device in a reactor for gasifying spent liquor
AU3963793A A process for recovering chemicals and energy from cellulose waste liquor
LV5303A3 Legucanic enrichment of chemi- cals from the production of sulphate
BR9206929A Process for preparing a digestion liquor
SE9203297D0 Purifying gas from the gasification of black liquor
WO9309205A1 Gasification of carbonaceous material
AU2332792A Recovery of chemicals and energy from spent liquor
CA2136817A1 A process for recovering energy from a combustible gas