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HOLMEN GMBH

Overview
  • Total Patents
    18
About

HOLMEN GMBH has a total of 18 patent applications. Its first patent ever was published in 1978. It filed its patents most often in Germany, EPO (European Patent Office) and Finland. Its main competitors in its focus markets organic fine chemistry, materials and metallurgy and chemical engineering are RUETGERS CHEMICALS AG, CONSORZIO INTERUNIVERSITARIO N and ZHEJIANG JISHENG CHEMICAL BUILDING MAT CO LTD.

Patent filings in countries

World map showing HOLMEN GMBHs patent filings in countries
# Country Total Patents
#1 Germany 3
#2 EPO (European Patent Office) 2
#3 Finland 2
#4 Norway 2
#5 Portugal 2
#6 Argentina 1
#7 Brazil 1
#8 Canada 1
#9 Spain 1
#10 Japan 1
#11 United States 1
#12 South Africa 1

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Koehler Leo 9
#2 Czerson Horst 2
#3 Kohler Leo 2
#4 Reo Keeraa 1
#5 Kohler L 1
#6 Czerson Horst Dr 1
#7 Koehler L 1
#8 Czerson Horst Dipl Chem Dr 1

Latest patents

Publication Filing date Title
DE2919349A1 DISPERGATOR BASED ON LIGNINE SULFONATE AND METHOD FOR THE PRODUCTION THEREOF
ZA7902036B Flowing agent for concrete and mortar and process for producing same
ES477186A1 Fluxing agent for concrete and mortar and process for its preparation.
DE2811098A1 Flow agent for concrete and mortar - prepd. by post-condensing and sulphating lignin sulphonate and ring sulphonated or sulphomethylated aromatic cpds.
DE2803923A1 Flow agent for concrete and mortar - prepd. by post-condensing and sulphating lignin sulphonate and ring sulphonated or sulphomethylated aromatic cpds.