Patents by Inventor Silvia Neumann

Silvia Neumann 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).

  • SHELL CATALYST, PROCESS FOR ITS PREPARATION AND USE
    Publication number: 20100137650
    Abstract: The present invention relates to a shell catalyst, a process for its preparation and also the use of the shell catalyst according to the invention.
    Type: Application
    Filed: November 24, 2009
    Publication date: June 3, 2010
    Applicant: Sud-Chemie AG
    Inventors: Hans-Jörg Wölk, Alfred Hagemeyer, Frank Grossmann, Silvia Neumann, Gerhard Mestl
  • Photosensitive material and production of metal-colored images utilizing pearl luster pigment
    Patent number: 5637438
    Abstract: Described is a photosensitive material for producing metal-colored images, comprisingA) a flexible transparent plastic support film,B) a photosensitive layer comprising a polymeric binder, a photosensitive substance and a pearl luster pigment, and optionallyC) a thermoplastic adhesion-promoting layer.The material of the invention makes it possible to produce color-proofing images for metal-colored multicolor prints by combining metal-colored single-color images with single-color images in the usual primary colors as desired.
    Type: Grant
    Filed: November 23, 1994
    Date of Patent: June 10, 1997
    Assignee: AGFA-Gevaert AG
    Inventors: Karin Maerz, Silvia Neumann, Dieter Mohr