Patents by Inventor Guenter Wimmer

Guenter Wimmer 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).

  • Mineral oil barrier
    Patent number: 10047482
    Abstract: The present invention is directed to a liquid coating composition comprising at least one terephthalate ionomer comprising anionic substituents selected from sulfonate, carboxylate and/or phosphate groups, wherein the at least one terephthalate ionomer has an acid value of at least 1 mg KOH/g ionomer, at least one calcium carbonate containing filler, and a buffer.
    Type: Grant
    Filed: February 25, 2015
    Date of Patent: August 14, 2018
    Assignee: Omya International AG
    Inventors: Steffen Ohr, Guenter Wimmer, Philipp Hunziker, Michael Kässberger, Joachim Schoelkopf
  • MINERAL OIL BARRIER
    Publication number: 20170073901
    Abstract: The present invention is directed to a liquid coating composition comprising at least one terephthalate ionomer comprising anionic substituents selected from sulfonate, carboxylate and/or phosphate groups, wherein the at least one terephthalate ionomer has an acid value of at least 1 mg KOH/g ionomer, at least one calcium carbonate containing filler, and a buffer.
    Type: Application
    Filed: February 25, 2015
    Publication date: March 16, 2017
    Applicant: Omya International AG
    Inventors: Steffen Ohr, Guenter Wimmer, Philipp Hunziker, Michael Kässberger, Joachim Schoelkopf
  • Process to prepare surface-modified mineral material, resulting products and uses thereof
    Patent number: 9580605
    Abstract: The present invention refers to a process to modify at least part of the surface of at least one mineral material, and to the use, as an additive in an aqueous suspension of mineral materials having a pH between 5 and 10, of at least one agent, wherein the additive allows for the formation of a low volume, high solids content filter or centrifuge cake on dewatering the suspension.
    Type: Grant
    Filed: April 7, 2011
    Date of Patent: February 28, 2017
    Assignee: Omya International AG
    Inventors: Guenter Wimmer, Joachim Schölkopf, Hans-Joachim Weitzel, Fridolin Stauffer
  • PROCESS TO PREPARE SURFACE-MODIFIED MINERAL MATERIAL, RESULTING PRODUCTS AND USES THEREOF
    Publication number: 20170002204
    Abstract: The present invention refers to a process to modify at least part of the surface of at least one mineral material, and to the use, as an additive in an aqueous suspension of mineral materials having a pH between 5 and 10, of at least one agent, wherein the additive allows for the formation of a low volume, high solids content filter or centrifuge cake on dewatering the suspension.
    Type: Application
    Filed: September 8, 2016
    Publication date: January 5, 2017
    Applicant: Omya International AG
    Inventors: Guenter Wimmer, Joachim Schoelkopf, Hans-Joachim Weitzel
  • PROCESS TO PREPARE SURFACE-MODIFIED MINERAL MATERIAL, RESULTING PRODUCTS AND USES THEREOF
    Publication number: 20130137779
    Abstract: The present invention refers to a process to modify at least part of the surface of at least one mineral material, and to the use, as an additive in an aqueous suspension of mineral materials having a pH between 5 and 10, of at least one agent, wherein the additive allows for the formation of a low volume, high solids content filter or centrifuge cake on dewatering the suspension.
    Type: Application
    Filed: April 7, 2011
    Publication date: May 30, 2013
    Applicant: OMYA DEVELOPMENT AG
    Inventors: Guenter Wimmer, Joachim Schölkopf, Fridolin Stauffer