Patents by Inventor Manfred Botzen

Manfred Botzen 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).

  • METHOD FOR PRODUCING MOULDED OPTICAL PARTS
    Publication number: 20130265776
    Abstract: The invention relates to a method for producing an optical moulded body (2), in particular a lens element (2), comprising producing a pre-moulding (4) in a moulding tool by injection moulding of a first plastics material and producing at least one covering layer (6.1, 6.2) on the pre-moulding (4) by injection moulding of a second plastics material, wherein the temperature of the moulding tool for producing the pre-moulding (4) is from 30% to 60% lower than the temperature of the moulding tool for producing the at least one covering layer (6.1, 6.2).
    Type: Application
    Filed: November 24, 2011
    Publication date: October 10, 2013
    Applicant: Bayer Intellectual Property GmbH
    Inventors: Olaf Zöllner, Christoph Klinkenberg, Christoph Hermansen, Manfred Botzen
  • Laser beam weldable thermoplastic molding materials
    Patent number: 7166669
    Abstract: Dark-colored thermoplastic molding compositions are disclosed. The compositions are suitable for making molded parts which in the wavelength region from 700 to 1200 nm are laser-transmitting, at least in spectral partial regions, and may be welded to laser-absorbing molded parts by means of laser transmissions welding.
    Type: Grant
    Filed: December 4, 2000
    Date of Patent: January 23, 2007
    Assignee: Bayer Aktiengesellschaft
    Inventors: Detlev Joachimi, Andreas Elschner, Manfred Botzen, Frank Krause, Herbert Magerstedt
  • Laser beam weldable thermoplastic molding materials
    Publication number: 20030125429
    Abstract: Dark-colored thermoplastic molding compositions are disclosed. The compositions are suitable for molded parts which in the wavelength region from 700 to 1200 nm are laser-transmitting, at least in spectral partial regions, and may be welded to laser-absorbing molded parts by means of laser transmissions welding.
    Type: Application
    Filed: January 13, 2003
    Publication date: July 3, 2003
    Inventors: Detlev Joachimi, Andreas Elschner, Manfred Botzen, Frank Krause, Herbert Magerstedt
  • Apparatus for determining the size distribution of pigment particles in a paint surface
    Patent number: 5249029
    Abstract: The apparatus is based on a standard grindometer block comprising a longitudinally extending sample channel of steadily increasing depth which is filled with the paint to be investigated and then stripped and smoothed with a doctor blade. Instead of being visually evaluated, the paint surface is subjected to automatic objective evaluation in an optoelectronic apparatus comprising a light source with a focussing lens for producing a light spot on the paint surface to be investigated, a dark-field lens comprising an objective for picking up the scattered light emanating from pigment particles in the vicinity of the light spot and an aperture diaphragm for eliminating the light directly reflected at the paint surface, a photoreceiver connected to an evaluation circuit for detecting, recording and further processing the scattered light signals and a scanner for longitudinally scanning the sample channel.
    Type: Grant
    Filed: April 30, 1992
    Date of Patent: September 28, 1993
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Sommer, Jurgen Thiemann, Manfred Botzen, Detlef Riesebeck