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OEMAN ERIK

Overview
  • Total Patents
    30
About

OEMAN ERIK has a total of 30 patent applications. Its first patent ever was published in 1914. It filed its patents most often in United Kingdom, Austria and Denmark. Its main competitors in its focus markets textiles and paper, macromolecular chemistry and polymers and basic materials chemistry are ERIK OMAN, NICOLAUS MD VERWALTUNGSGES and CIE IND DE LA MATIERE VEGETALE.

Patent filings in countries

World map showing OEMAN ERIKs patent filings in countries
# Country Total Patents
#1 United Kingdom 11
#2 Austria 8
#3 Denmark 6
#4 Germany 3
#5 Finland 1
#6 United States 1

Patent filings per year

Chart showing OEMAN ERIKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Oeman Erik 29

Latest patents

Publication Filing date Title
GB103479A A Method of Preparing Azo Colouring Matters from Lignine-sulphonic Acid or its Salts.
GB103650A A Method of Preparing Oxylignon from Lignon Sulphonates.
GB103480A A Method of Preparing Azo Colouring Matters from Lignon Sulphonic Acid or its Salts.
GB103653A A Method of Preparing Nitroso Compounds from Lignine Sulphonic Acid or its Salts.
GB103652A A Method of Preparing Nitro Compounds from Lignon Sulphonic Acid or its Salts.
GB103655A A Method of Treating Lignine Sulphonates Prepared from Sulphite Cellulose Waste Lye so that they may be Dried without Decomposition.
GB103651A A Method of Preparing Nitro Compounds from Lignine Sulphonic Acid or its Salts.
GB103649A A Method of Preparing Oxylignine from Lignine Sulphonates.
GB103654A A Method of Preparing Nitroso Compounds from Lignon Sulphonic Acid or its Salts.
GB103822A A Method of Preparing Azo Colouring Matters from Lignine Sulphonic Acid or its Salts.
US1130192A Process of producing sulfite cellulose.
GB191401145A Process or Producing Sulphite Cellulose.