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ERDOELCHEMIE GMBH

Overview
  • Total Patents
    494
About

ERDOELCHEMIE GMBH has a total of 494 patent applications. Its first patent ever was published in 1961. It filed its patents most often in Germany, EPO (European Patent Office) and Japan. Its main competitors in its focus markets organic fine chemistry, chemical engineering and environmental technology are BUTLER JAMES R, TEIJIN HERCULES CHEM CO LTD and DAVY MCKEE LONDON.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Schleppinghoff Bernhard Dr 59
#2 Scheef Hans-Volker 47
#3 Herwig Jens 34
#4 Schleppinghoff Bernhard 32
#5 Grub Joachim 24
#6 Koehler Hans-Dieter Dr 21
#7 Stuewe Arnd Dr 19
#8 Herwig Jens Dr 18
#9 Bruns Ludwig 17
#10 Gabel Christian 13

Latest patents

Publication Filing date Title
ZA200106704B Process for the selective preparation of DIB from an I-butene-containing C4 stream.
DE10050625A1 Structured multi-purpose packs and their use
DE19849425A1 Production of cyclopentane and/or cyclopentene from a partly hydrogenated benzene fore-run or C5 fraction
DE19838932A1 Process for the production of 1,2-butadiene
DE19809361A1 Production of cyclopentane and/or cyclopentene from a partly hydrogenated benzene fore-run or C5 fraction
DE19803890A1 Silver-containing supported catalysts and catalyst intermediates, processes for their preparation and their use
DE19737019A1 Process for the preparation of C4-C6 alkenes with an internal double bond
DE19646405A1 Process for oligomerizing i-butene
FR2739096A1 Process and device for converting olefins to c3-c12 by acid catalysis
DE19538206A1 Process for the production of propanal
DE19533914A1 Process for the removal of i-alkenes from mixtures of hydrocarbons
US5378668A Process for reactivating ammoxidation catalysts
DE4302306A1 Reducing content of adsorbable organic halogen in waste water
DE4022416A1 METHOD FOR REACTIVATING AMMOXIDATION CATALYSTS
DD297948A5 Method for the production of ammonium sulphate from high efficiency waste streams of (meth) acrylnitrile production
DE4022222A1 METHOD FOR PURIFYING ACRYLNITRILE WASTE WATER
DE4016160A1 HOUSING ARRANGEMENT FOR FIRE-HAZARDOUS INSTALLATIONS
DE4013711A1 METHOD FOR THE PRODUCTION OF HIGH-OCTANE, LOW-OILFINE FUELS AND FUEL COMPONENTS
DE4012007A1 Reductive de-hydrohalogenation of hydrocarbon(s) or ether(s)
DE3934101A1 METHOD FOR AT LEAST PARTIAL REMOVAL OF TRACK ELEMENTS FROM HYDROCARBON MIXTURES