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AKZONA INC

Overview
  • Total Patents
    1,203
About

AKZONA INC has a total of 1,203 patent applications. Its first patent ever was published in 1965. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets machines, organic fine chemistry and macromolecular chemistry and polymers are AKZO NV, CELANESE CORP and DU PONT.

Patent filings per year

Chart showing AKZONA INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Bergfeld Manfred 56
#2 Zengel Hans 30
#3 Van Der Burg Willem J 24
#4 Frank Dieter 23
#5 White Kenneth B 19
#6 Castro Anthony J 17
#7 Varga Julianna K 16
#8 Zengel Hans G 16
#9 Zengel Hans-Georg 16
#10 Zeelen Filippus J 14

Latest patents

Publication Filing date Title
US4675118A Quaternary ammonium salts useful as fabric softeners
US4677208A Manufacture of oxazolidines by the alkoxylation of imines
US4666763A Fiber batts and the method of making
US4575434A Process for the separation of amides from nitriles
US4603885A Apparatus and structure for joining pipe
US4503167A Method for urethane-modified isocyanurate foams
US4530938A Polyols for urethane-modified isocyanurate foams
US4542163A Method for the manufacture of polyisocyanurate foams
US4530937A Method for the manufacture of polyisocyanurate foams
US4533790A Electrical conductor assembly
US4950422A Peroxide emulsions containing an anti-freezing compound
CA1234518A Thick polyimide-metal laminates with high peel strength
US4579593A Hexahydropyrimidines as asphalt emulsifiers and emulsions containing hexadropyrimidines
CA1251880A Substantially homogeneous polymer solution in tertiary amine n-oxide and process for directly extruding same into non-solvent bath
EP0110580A2 Improved process for removing pyrogens utilizing a hydrophobic microporous membrane
US4554121A Method of forming latent-contractable elastomeric composite yarns
US4467595A Latent contractable elastomers, composite yarns therefrom and methods of formation and use
US4720328A Method for removing impurities from caprolactam
US4569800A Quaternary ammonium salts useful as fabric softeners
CA1205585A Dewatering mineral ore concentrates with polyethoxylated alkyl phenols