Patents by Inventor Jozef KOCHAN

Jozef KOCHAN has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Esterquats for the flotation of non-sulfidic minerals and ores, and method
    Patent number: 11596952
    Abstract: The invention relates to esterquats which can be obtained by reacting di- or trialkanolamines with a mixture of fatty acids and polycarboxylic acids, and the esters obtained in this manner are then quaternized with an alkylating agent, wherein the di- or trialkanolamines correspond to formula (I), in which R1 and R2 independently of one another represent hydroxyalkyl groups with 1 to 20 carbon atoms, hydroxyalkenyl groups with 2 to 20 carbon atoms and 1, 2, or 3 double bonds, or addition products of 1 to 20 mol ethylene oxide on a hydroxyethyl group and R3 represents hydrogen, an alkyl group with 1 to 20 carbon atoms, an alkenyl group with 2 to 20 carbon atoms and 1, 2, or 3 double bonds, a hydroxyalkyl group with 1 to 20 carbon atoms, a hydroxyalkenyl group with 2 to 20 carbon atoms and 1, 2, or 3 double bonds, or addition products of 1 to 20 mol ethylene oxide on a hydroxyethyl group; the fatty acids correspond to formula (II), R4—COOH??(II) in which R4 represents an aliphatic, linear, or branched hyd
    Type: Grant
    Filed: January 16, 2018
    Date of Patent: March 7, 2023
    Assignee: CLARIANT INTERNATIONAL LTD
    Inventors: Matthias Arndt, Klaus-Ulrich Pedain, Pia Mueller, Gemma Solduga Ramirez, Yves Schunk, Jozef Kochan
  • ESTERQUATS FOR THE FLOTATION OF NON-SULFIDIC MINERALS AND ORES, AND METHOD
    Publication number: 20200360938
    Abstract: The invention relates to esterquats which can be obtained by reacting di- or trialkanolamines with a mixture of fatty acids and polycarboxylic acids, and the esters obtained in this manner are then quaternized with an alkylating agent, wherein the di- or trialkanolamines correspond to formula (I), in which R1 and R2 independently of one another represent hydroxyalkyl groups with 1 to 20 carbon atoms, hydroxyalkenyl groups with 2 to 20 carbon atoms and 1, 2, or 3 double bonds, or addition products of 1 to 20 mol ethylene oxide on a hydroxyethyl group and R3 represents hydrogen, an alkyl group with 1 to 20 carbon atoms, an alkenyl group with 2 to 20 carbon atoms and 1, 2, or 3 double bonds, a hydroxyalkyl group with 1 to 20 carbon atoms, a hydroxyalkenyl group with 2 to 20 carbon atoms and 1, 2, or 3 double bonds, or addition products of 1 to 20 mol ethylene oxide on a hydroxyethyl group; the fatty acids correspond to formula (II), R4—COOH (II) in which R4 represents an aliphatic, linear, or branched hyd
    Type: Application
    Filed: January 16, 2018
    Publication date: November 19, 2020
    Applicant: Clariant International Ltd.
    Inventors: Matthias ARNDT, Klaus-Ulrich PEDAIN, Pia MUELLER, Gemma SOLDUGA RAMIREZ, Yves SCHUNK, Jozef KOCHAN