Patents by Inventor Jörg APPEL

Jörg APPEL 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).

  • Patent number: 10112889
    Abstract: The invention relates to a continuous method for producing a tenside, containing a compound of the formula (1), wherein R2 is a fatty acid alkyl residue and R1 is a linear or branched C1 to C12 hydrocarbon residue, and x is in the range from 1 to 15 by conversion of fatty acid alkyl esters or fatty acid triglycerides having an N-n-alkylized polyhydroxy compound in the presence of an alkali catalyst or a catalyst selected from hydroxides or alcoholates of the 2nd and 4th secondary group of the periodic system at a temperature in the range from 40 to 300° C.
    Type: Grant
    Filed: November 9, 2015
    Date of Patent: October 30, 2018
    Assignee: CLARIANT INTERNATIONAL LTD.
    Inventors: Jörg Appel, Dennis Heitmann, Sarah Werner
  • Publication number: 20170305838
    Abstract: The invention relates to a continuous method for producing a tenside, containing a compound of the formula (1), wherein R2 is a fatty acid alkyl residue and R1 is a linear or branched C1 to C12 hydrocarbon residue, and x is in the range from 1 to 15 by conversion of fatty acid alkyl esters or fatty acid triglycerides having an N-n-alkylized polyhydroxy compound in the presence of an alkali catalyst or a catalyst selected from hydroxides or alcoholates of the 2nd and 4th secondary group of the periodic system at a temperature in the range from 40 to 300° C.
    Type: Application
    Filed: November 9, 2015
    Publication date: October 26, 2017
    Applicant: Clariant International Ltd.
    Inventors: Jörg APPEL, Dennis HEITMANN, Sarah WERNER