Patents by Inventor René Bär

René Bär 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).

  • PLATEN AND RELEASE FLUID CONTROL SYSTEM FOR STENCIL CREATION
    Publication number: 20240025168
    Abstract: A direct to mesh (DtM) screen printer for creating a screen stencil is provided. The DtM screen printer includes a fixture to hold a frame, which holds a pre-stretched mesh in place during application of a jettable emulsion, a platen having a cavity and an array of holes in a top surface of the platen and is located against one side of the pre-stretched mesh, and a printer carriage supporting a print head for printing the jettable emulsion on a side of the pre-streched mesh opposite the platen.
    Type: Application
    Filed: August 14, 2020
    Publication date: January 25, 2024
    Applicant: DuralChrome AG
    Inventors: John Cecil Harwell, Shlomo Hermon, René Bär
  • Benzophenones and the use thereof as photoinitiators
    Patent number: 6441244
    Abstract: The invention relates to new compounds of the formula (I) in which R is phenyl, C1-4alkyl-, C1-4alkoxy- or halogen-substituted phenyl, naphthyl or an aromatic ring containing heteroatoms; X is O or S; R1 and R2 are each a methyl radical or R1 and R2 together are a C4-8alkylene radical; Y is hydroxyl, C1-12alkoxy, C1-4alkylamino, di-C1-4alkylamino or a piperidine or morpholine ring that is attached by its nitrogen atom; to a process for preparing them and to their use as photoinitiators and/or photosensitizers.
    Type: Grant
    Filed: July 12, 2001
    Date of Patent: August 27, 2002
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Lajos Avar, René Bär, Victor Sanahuja