Patents by Inventor Michael Gerle

Michael Gerle 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).

  • Acid-resistant solutions containing aromatic formaldehyde condensation products
    Patent number: 6846336
    Abstract: The present invention relates to acid-resistant solutions containing aromatic formaldehyde condensation products having sulfonate and/or carboxylate groups, aliphatic carboxylic acids, aromatic sulfonic acids, and glycol ether solvents, to the preparation thereof, and to their use as leveling agents, dispersants or fastness improvers in textile finishing, as tanning agents for leather, and in the stain resist finishing of textile materials.
    Type: Grant
    Filed: October 30, 2000
    Date of Patent: January 25, 2005
    Assignee: Bayer Aktiengesellschaft
    Inventors: Michael Gerle, Klaus Walz, Hans Albert Ehlert, Ralf Heinen
  • Flashpointless textile treatment composition, preparation thereof and use thereof
    Publication number: 20030164467
    Abstract: Disclosed are a flashpointless textile treatment composition, a process for preparing it, its use for treating textile materials and also the treated textile materials.
    Type: Application
    Filed: February 13, 2003
    Publication date: September 4, 2003
    Inventors: Michael Gerle, Winfried Guth, Helmut-Martin Meier, Anton Hermanns, Jan-Dieter Wiechmann
  • Polycarboxylic acids, preparation thereof and use thereof for treating cellulosic fibres or textile or paper materials produced therefrom
    Patent number: 6610884
    Abstract: A process is provided for preparing specific polycarboxylic acids by oxidative cleavage of double-bond compounds with hydrogen peroxide or hydrogen peroxide donors. The polycarboxylic acids thus obtained are notable for excellent acid stability, and consequently ease of handling in aqueous solution and are useful for treating cellulosic fibers or textile or paper materials produced therefrom.
    Type: Grant
    Filed: January 17, 2001
    Date of Patent: August 26, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Michael Gerle, Hans-Albert Ehlert, Günter Franke, Helmut-Martin Meier
  • Aromatic polyisocyanates blocked by pyrazole or pyrazole derivatives and the preparation and use thereof
    Publication number: 20020055602
    Abstract: This invention relates to NCO-containing reaction products blocked at the NCO groups by 1-H-pyrazole or derivatives thereof, wherein the NCO-containing reaction products are reaction products of
    Type: Application
    Filed: August 29, 2001
    Publication date: May 9, 2002
    Inventors: Michael Gerle, Hans-Albert Ehlert, Eberhard Konig
  • Polycarboxylic acids, preparation thereof and use thereof for treating cellulosic fibres or textile or paper materials produced therefrom
    Publication number: 20010018542
    Abstract: A process is provided for preparing specific polycarboxylic acids by oxidative cleavage of double-bond compounds with hydrogen peroxide or hydrogen peroxide donors. The polycarboxylic acids thus obtained are notable for excellent acid stability, and consequently ease of handling in aqueous solution and are useful for treating cellulosic fibers or textile or paper materials produced therefrom.
    Type: Application
    Filed: January 17, 2001
    Publication date: August 30, 2001
    Inventors: Michael Gerle, Hans-Albert Ehlert, Gunter Franke, Helmut-Martin Meier