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SPEZIALCHEMIE GMBH & CO

Overview
  • Total Patents
    44
About

SPEZIALCHEMIE GMBH & CO has a total of 44 patent applications. Its first patent ever was published in 1958. It filed its patents most often in Germany, Switzerland and Sweden. Its main competitors in its focus markets organic fine chemistry, pharmaceuticals and chemical engineering are NARHEX LTD, FRATMANN SA and ENDO PRODUCTS INC.

Patent filings in countries

World map showing SPEZIALCHEMIE GMBH & COs patent filings in countries
# Country Total Patents
#1 Germany 13
#2 Switzerland 7
#3 Sweden 5
#4 United States 4
#5 Denmark 3
#6 France 3
#7 Norway 3
#8 United Kingdom 2
#9 Belgium 1
#10 Spain 1
#11 Netherlands 1
#12 South Africa 1

Patent filings per year

Chart showing SPEZIALCHEMIE GMBH & COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Brinkhoff H 11
#2 Brinkhoff Hans 6
#3 Braeuer Hans Dr 3
#4 Brinkhoff Dipl-Chem Hans 3
#5 Brinkhoff Hans Dipl-Chem 3
#6 Brinkhoff Hans Dipl Chem 3
#7 Hans Brinkhoff Dipl-Chem 3
#8 Hans Brinkhoff 2
#9 Hans Braeuer Dr 2
#10 Brinkoff Hans Dipl Chem 1

Latest patents

Publication Filing date Title
CH532082A Magnesium ortate-glycinates
DE1924174A1 Magnesium Orotate Glycinate
US3629441A Compositions containing physiologically active kawa compounds process of making same and method of using same in therapy
GB1201180A Process for the hydrogenation of pyrone derivatives
US3600403A Hydrogenation of pyrone compounds
CH493441A Partial hydrogenation of pyrone derivs
US3522245A 4 - oxo - 6 - styryl - 3,4;5,6 - tetrahydro - alpha-pyron compounds,compositions containing same,and process of making same
US3507907A Process of producing beta-alkoxy crotonic acid esters
DE1492148A1 Skin tightening agents