Patents by Inventor Joachim Grutze

Joachim Grutze 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).

  • Novel quinoneimine sulfur dye compositions, production thereof and use for dyeing cellulosic material
    Publication number: 20060288500
    Abstract: Novel leuco sulfur dye compositions obtainable at current densities between 50 mA/cm2 and 500 mA/cm2 and a flow velocity in the range from 0.1 m/s to 2 m/s and preferably in the range from 0.1 to 0.4 m/s, their production and their use for dyeing cellulosic material.
    Type: Application
    Filed: August 11, 2005
    Publication date: December 28, 2006
    Applicant: DyStar Textilfarben GmbH & Co.
    Inventors: Thomas Bechtold, Heiko Brunner, Joachim Grutze, Richard Richter, Wolfgang Schlerka
  • Lithium-containing assistants for dyeing and printing of cellulosic and/or regenerated cellulosic materials
    Patent number: 5466265
    Abstract: Improved dyeings or prints on cellulose, regenerated cellulose and/or mixtures of cellulose with natural or synthetic fiber materials using one or more reactive and/or direct dyes are obtained in the presence of a lithium compound.
    Type: Grant
    Filed: May 13, 1994
    Date of Patent: November 14, 1995
    Assignee: Bayer Aktiengesellschaft
    Inventors: Martin Riegels, Joachim Grutze
  • Reactive dyestuff mixture having improved properties in combination
    Patent number: 5456728
    Abstract: An improved reactive dyestuff mixture comprises at least one monochlorotriazine dyestuff 1 and at least one monofluorotriazine dyestuff 2 and/or fluorochloropyrimidine dyestuff 3, and if appropriate additional dyestuffs having the formulae given in the description.
    Type: Grant
    Filed: December 14, 1994
    Date of Patent: October 10, 1995
    Assignee: Bayer Aktiengesellschaft
    Inventors: Max Schwarz, Joachim Grutze, Dietrich Hildebrand, Joachim Wolff, Frank-Michael Stohr
  • Reactive dyestuff red mixture
    Patent number: 5399182
    Abstract: Improved reactive dyestuff red mixtures comprise in each case at least one component of the formula 1 ##STR1## and one component of the formula 2 ##STR2## wherein the substituents have the meaning given in the description.
    Type: Grant
    Filed: November 25, 1992
    Date of Patent: March 21, 1995
    Assignee: Bayer Aktiengesellschaft
    Inventors: Max Schwarz, Joachim Grutze, Dietrich Hildebrand, Joachim Wolff, Frank Stohr
  • Reactive dyestuff mixture
    Patent number: 5393307
    Abstract: A reactive dyestuff mixture showing improved compatibility contains at least one vinylsulphonyltriazine dyestuff 1, at least one monofluorotriazine dyestuff 2 or fluorochloropyrimidine dyestuff 3 together with, if desired, additional dyestuffs.
    Type: Grant
    Filed: August 3, 1993
    Date of Patent: February 28, 1995
    Assignee: Bayer Aktiengesellschaft
    Inventors: Max Schwarz, Joachim Grutze, Dietrich Hildebrand, Joachim Wolff, Frank-Michael Stohr
  • Reactive dyestuff mixtures
    Patent number: 5364416
    Abstract: Improved reactive dyestuff mixtures comprise a reactive dyestuff of the formula (I) ##STR1## and a chlorotriazine dyestuff of the formula ##STR2## wherein the substituents have the meaning given in the description.
    Type: Grant
    Filed: November 24, 1992
    Date of Patent: November 15, 1994
    Assignee: Bayer Aktiengesellschaft
    Inventors: Max Schwarz, Joachim Grutze, Dietrich Hildebrand, Joachim Wolff, Frank-Michael Stohr
  • Phthalocyanine reactive dyestuff mixture
    Patent number: 5356444
    Abstract: A phthalocyanine reactive dyestuff mixture having an improved dyeing levelness and combination properties comprises at least one phthalocyanine vinylsulphonyl reactive dyestuff 1, at least one phthalocyanine fluorochloropyrimidinyl reactive dyestuff 2 and/or a phthalocyanine monochlorotriazinyl reactive dyestuff 3.
    Type: Grant
    Filed: October 26, 1993
    Date of Patent: October 18, 1994
    Assignee: Bayer Aktiengesellschaft
    Inventors: Max Schwarz, Joachim Wolff, Dietrich Hildebrand, Joachim Grutze, Manfred Hoppe, Josef-Walter Stawitz, Rolf Schulz
  • Reactive dyestuff mixtures
    Patent number: 5304221
    Abstract: New dyestuff mixtures contain in each case at least one fluoropyrimidine dyestuff of the general formula (I) ##STR1## and a vinylsulfonyl dyestuff of the formula (II) ##STR2## in which the substituents have the meaning given in the description.
    Type: Grant
    Filed: November 25, 1992
    Date of Patent: April 19, 1994
    Assignee: Bayer Aktiengesellshaft
    Inventors: Max Schwarz, Joachim Grutze, Dietrich Hildebrand, Joachim Wolff, Frank Stohr
  • Aqueous dyestuff preparation: lithium bicarbonate and reactive dye
    Patent number: 5256161
    Abstract: An improved aqueous dyestuff preparation which is suitable for the dyeing or printing of substrates contains a water-soluble lithium compound and an alkali, in particular sodium hydroxide.
    Type: Grant
    Filed: April 28, 1992
    Date of Patent: October 26, 1993
    Assignee: Bayer Aktiengesellschaft
    Inventors: Joachim Grutze, Friedhelm Buse, Johannes Haas, Manfred Hobohm
  • Process for improving the light fastness of polyamide dyeings with copper complexes of schiff bases or ortho-hydroxy benzophenone
    Patent number: 4383835
    Abstract: The light fastness of polyamide dyeings can be improved by treating polyamide fibre materials, before, during or after dyeing, with copper complexes of the reaction products of salicylaldehydes with amines (for example cyclohexylamine), or with copper complexes of o-hydroxybenzophenones.
    Type: Grant
    Filed: October 15, 1981
    Date of Patent: May 17, 1983
    Assignee: Bayer Aktiengesellschaft
    Inventors: Reinhard Preuss, Joachim Grutze, Ulrich Beck, Hellmuth Pantke, Karl Vogel