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J D RIEDEL E DE HAEN AG

Overview
  • Total Patents
    19
About

J D RIEDEL E DE HAEN AG has a total of 19 patent applications. Its first patent ever was published in 1924. It filed its patents most often in Austria, France and United Kingdom. Its main competitors in its focus markets organic fine chemistry, materials and metallurgy and foods and drinks are J D RIEDEL E DE HAEEN A G, BLASINACHIM SPA and WOLFFENSTEIN RICHARD.

Patent filings in countries

World map showing J D RIEDEL E DE HAEN AGs patent filings in countries
# Country Total Patents
#1 Austria 10
#2 France 5
#3 United Kingdom 2
#4 Canada 1
#5 United States 1

Patent filings per year

Chart showing J D RIEDEL E DE HAEN AGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Seemann Jon 1
#2 Loewenstein Leo Dr 1
#3 Boedecker Friedrich 1
#4 Richard Rosenbusch 1
#5 Seemann Jon Dr 1
#6 Karl Braun 1

Latest patents

Publication Filing date Title
US2168468A Manufacture of fluid phosphatide preparations
GB445334A An improved process for fractionally condensing hydrogen peroxide vapours from mixtures with water vapour
GB383920A Process for the production of 8-oxy derivatives of quinoline
CA327876A Hydrogen peroxide