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ZIEGLER KARL

Overview
  • Total Patents
    299
About

ZIEGLER KARL has a total of 299 patent applications. Its first patent ever was published in 1908. It filed its patents most often in United Kingdom, Canada and Spain. Its main competitors in its focus markets organic fine chemistry, macromolecular chemistry and polymers and textiles and paper are ZIEGLER, E H KARL ZIEGLER DR DR and COLCOAT CO LTD.

Patent filings per year

Chart showing ZIEGLER KARLs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ziegler Karl 96
#2 Lehmkuhl Herbert 22
#3 Holzkamp Erhard 16
#4 Martin Heinz 15
#5 Karl Ziegler 15
#6 Breil Heinz 14
#7 Koster Roland 10
#8 Natta Giulio 9
#9 Zosel Kurt 7
#10 Hafner Klaus 7

Latest patents

Publication Filing date Title
AU2914599A Cutting tool adaptor
AU4544597A Cutting tool assembly
AU5392996A Rotatable type machine tool
US3702309A Polymerization of ethylene using reduced group iv-b,v-b and vi-b metal salts as the polymerization catalyst
GB1294251A Process for refining potassium electrolytically
US3546133A Polymerization catalyst containing alkyl aluminum dihalide
GB1059105A Process for the production of organo alkali metal compounds of aluminium and of boron
US3234115A Process for the electrolytic precipitation of sodium
GB1042733A Electrolytic recovery of alkali metals
GB970755A Separation of mixtures containing alkyl aluminium compounds
GB966813A Manufacture of organo tin compounds
US3318934A Tertiary alkoxy-aluminum dialkyls and their manufacture
GB961373A Process for the recovery of sodium
GB1009937A Process for the electrolytic precipitation of sodium
GB986522A Process for the manufacture of complex alkali-organo compounds of aluminium or boron
GB943723A Manufacture of alkali-boron tetra-alkyl complex compounds
GB966250A Improvements in the manufacture of trialkyl aluminium compounds and dialkyl aluminium alkoxides
GB939393A Process and apparatus for the manufacture of ªå-olefinic polymers
GB936774A Process for the production of complex alkyl aluminium compounds
GB948796A Process for the production of optically active or racemic ª -citronellol