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CELANESE GMBH

Overview
  • Total Patents
    274
About

CELANESE GMBH has a total of 274 patent applications. Its first patent ever was published in 1992. It filed its patents most often in United States, EPO (European Patent Office) and Taiwan. Its main competitors in its focus markets organic fine chemistry, chemical engineering and environmental technology are CELANESE CHEMICALS EUROPE GMBH, INST CI & EOGON & ZDOT KIEJ SY and SAJET DEV LLC.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Bahrmann Helmut 46
#2 Zgorzelski Wolfgang 32
#3 Herzog Bernhard 22
#4 Dingerdissen Uwe 17
#5 Abel Roland 17
#6 Lappe Peter 15
#7 Nicolau Ioan 15
#8 Borchert Holger 14
#9 Brasse Claudia 13
#10 Gick Wilhelm 13

Latest patents

Publication Filing date Title
CN1223908A Nonaqueous ionic ligand liquids, process for preparing them and their use as catalyst constituents
CN1221724A Process for preparing saturated alcohols
DE19825254C1 Working up crude liquid vinyl acetate containing acetic acid, water and ethyl acetate
DE19757904C1 Process for the purification of waste water from an aldolization reaction with subsequent hydrogenation
DE19757531C1 Stabilisation of aliphatic aldehyde(s) against polymerisation and self=condensation
DE19753157A1 Process for the production of saturated alcohols
DE19742904C1 Phosphine-substituted cobalticinium salts, process for their preparation and use as a catalyst component
DE19728760C1 Amination or aryl compounds
CA2251476A1 Catalyst and process for the preparation of vinyl acetate
DE19704491A1 Phosphine ligands with amino acid groups, a process for their preparation and their use as catalyst components
DE19701245C1 Guanidinium phosphines, a process for their preparation and their use
BR9609075A Catalyst and process for preparing vinyl acetate.
EP0571819A1 Sulfonated 2,2'-bis(diphenylphosphinomethyl)-1,1'-binaphthalenes, process for their preparation and their use in a process for the hydroformylation of olefinic unsaturated compounds