Patents by Inventor Birgit Flock

Birgit Flock 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).

  • Wetting agents and dispersants having rheological character
    Patent number: 10752801
    Abstract: A polyaddition compound and/or a salt thereof is obtainable by the reaction of epoxy resin based on at least one diglycidyl ether of Formula (I) wherein R=a divalent aliphatic or monocyclic aromatic or bicyclic aromatic radical or mixtures thereof; with at least one polyether alcohol of Formula (II) R1-[OEt]n-[OPr]m-[OBu]s-[OSO]r-OH??Formula (II) wherein R1=independently identical or different, linear or branched, optionally aromatic hydrocarbyl radicals having 1 to 18 carbon atoms, [OEt]=ethylene oxide radical, [OPr]=propylene oxide radical, [OBu]=butylene oxide radical, [OSO]=styrene oxide radical, n=0 to 100, m=0 to 50, s=0 to 20, and r=0 to 3, with the proviso that n+m+s+r=3-103, and with at least one compound containing at least one functional group selected from sulfate groups, sulfonate groups, carboxylate groups and phosphate groups.
    Type: Grant
    Filed: December 24, 2018
    Date of Patent: August 25, 2020
    Assignee: Evonik Operations GmbH
    Inventors: Philippe Favresse, Manuela Grewing, Frank Kleinsteinberg, Sandra Roediger, Birgit Flock
  • Wetting agents and dispersants having rheological character
    Publication number: 20190194488
    Abstract: A polyaddition compound and/or a salt thereof is obtainable by the reaction of epoxy resin based on at least one diglycidyl ether of Formula (I) wherein R=a divalent aliphatic or monocyclic aromatic or bicyclic aromatic radical or mixtures thereof; with at least one polyether alcohol of Formula (II) R1-[OEt]n-[OPr]m-[OBu]s-[OSO]r-OH??Formula (II) wherein R1=independently identical or different, linear or branched, optionally aromatic hydrocarbyl radicals having 1 to 18 carbon atoms, [OEt]=ethylene oxide radical, [OPr]=propylene oxide radical, [OBu]=butylene oxide radical, [OSO]=styrene oxide radical, n=0 to 100, m=0 to 50, s=0 to 20, and r=0 to 3, with the proviso that n+m+s+r=3-103, and with at least one compound containing at least one functional group selected from sulfate groups, sulfonate groups, carboxylate groups and phosphate groups.
    Type: Application
    Filed: December 24, 2018
    Publication date: June 27, 2019
    Applicant: Evonik Degussa GmbH
    Inventors: Philippe FAVRESSE, Manuela Grewing, Frank Kleinsteinberg, Sandra Roediger, Birgit Flock