Patents by Inventor Norbert Pusch

Norbert Pusch 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).

  • Aqueous dyestuff or pigment dispersions
    Patent number: 4369070
    Abstract: Aqueous dyestuff dispersions containing water-insoluble dyestuffs and water-soluble oxalkylation products which can be obtained by subjecting aromatic compounds containing phenolic OH groups to a condensation reaction with formaldehyde and amines which contain a NH group which is reactive towards formaldehyde, or containing derivatives of such oxalkylation products are suitable for pigmenting natural or synthetic materials.
    Type: Grant
    Filed: August 7, 1981
    Date of Patent: January 18, 1983
    Assignee: Bayer Aktiengesellschaft
    Inventors: Volker Aign, Karlheinz Wolf, Reinhold Hornle, Norbert Pusch, Klaus Walz
  • Aqueous pigment dispersions
    Patent number: 3998652
    Abstract: Aqueous pigment dispersions which contain organic or inorganic pigments and water-soluble oxalkylation products of compounds which are obtainable by condensation of aromatic compounds, containing phenolic OH groups, or their ethers, especially lower alkyl ethers, with formaldehyde and amines which contain at least 2 NH groups which are reactive towards formaldehyde, or derivatives of such oxalkylation products are suitable for pigmenting natural or synthetic materials.
    Type: Grant
    Filed: April 25, 1975
    Date of Patent: December 21, 1976
    Assignee: Bayer Aktiengesellschaft
    Inventors: Volker Aign, Klaus Walz, Reinhold Hornle, Karlheinz Wolf, Norbert Pusch
  • Printing inks for transfer printing
    Patent number: 3996179
    Abstract: The invention relates to aqueous printing inks for the production of printed temporary supports, for transfer printing, by the film printing or screen printing process. The inks contain a sublimable disperse dyestuff, a binder, a filler and a thickener. The binder/filler weight ratio of the inks is 1 : 2 to 1 : 8, preferably 1 : 6 to 1 : 7.
    Type: Grant
    Filed: August 9, 1974
    Date of Patent: December 7, 1976
    Assignee: Bayer Aktiengesellschaft
    Inventors: Artur Haus, Theodor Mager, Norbert Pusch, Wilfried Roseler