Learn more

ALCOA CHEMIE GMBH

Overview
  • Total Patents
    43
About

ALCOA CHEMIE GMBH has a total of 43 patent applications. Its first patent ever was published in 1978. It filed its patents most often in EPO (European Patent Office), Australia and Canada. Its main competitors in its focus markets materials and metallurgy, thermal processes and basic materials chemistry are VYZK USTAV HUTNICKEJ KERAMIKY, STEETLEY REFRACTORY BRICK COMP and RESCO PRODUCTS INC.

Patent filings per year

Chart showing ALCOA CHEMIE GMBHs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kriechbaum Gangolf W 17
#2 Gnauck Volker 17
#3 Middeldorf Thomas Ferdinand 8
#4 Thelen Otto 7
#5 Pohland Horst 6
#6 Wolfram Lingenberg 5
#7 Bayer Gerhard 4
#8 Tielens Arthur J 4
#9 Pohland Horst Dr Dipl-Chem 4
#10 Garsel Doris Van 3

Latest patents

Publication Filing date Title
EP1178023A1 High density refractory material containing calcium hexaluminate
AU7242601A Insulating raw material for high temperature applications
EP1137611A1 Insulating raw material for high temperature applications
US6165926A Castable refractory composition and methods of making refractory bodies
CZ309999A3 Process for preparing refractory coatings
DE19708847A1 Process for making refractory linings
US5885510A Methods of making refractory bodies
EP0474898A1 Process for the production of alumina grinding media without kiln furniture
EP0188268A2 Process for the preparation of aluminiumhydroxide with a small content of impurities, especially of iron and with a high brightness
BR8300024A Continuous process for extraction of bauxite aluminum oxide
CA1191665A Method for the recovery of alumina
IE822966L Production of alumina
EP0102403A1 Process for the production of alumine
DE3214422A1 METHOD FOR THE EXTRACTION OF REFRACTORY RAW MATERIALS WITH SIMULTANEOUS REMOVAL OF ORGANIC SUBSTANCES FROM CIRCULAR EMISSIONS OF THE BAYER PROCESS
AU7763881A Thixotropic sludge (eg. red mud) disposal using electrolyte
IE782272L Disposal of thixotropic muds