Patents by Inventor Hans-Dieter Hoffmann

Hans-Dieter Hoffmann 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).

  • Beam-guiding and/or frequency-converting optical system and method for producing the same
    Patent number: 7382523
    Abstract: The present invention relates to a beam-guiding and/or frequency-converting optical system as well as to a method of manufacturing same, wherein a beam-emitting optoelectronic component (1), which comprises at least one beam-emerging surface (2) for the emergence of a beam, is provided and connected to a surface (5) of a base (4) in such a manner that the emerging beam extends approximately in parallel with the surface (5) of said base (4). Once the optoelectronic component (1) has been connected to said base (4), a wave-guiding stratified system (4) is deposited and structured and/or locally modified on the surface (5) of said base (4) for guidance and/or frequency conversion of the beam in such a way that a gap-free contact is created between said beam exit surface (2) and said stratified (6) and a pre-determinable beam guidance is achieved.
    Type: Grant
    Filed: January 10, 2003
    Date of Patent: June 3, 2008
    Assignee: Fraunhofer-Gesellschaft zur Forderung der angewandten Forschung e.V.
    Inventors: Jens Gottmann, Hans-Dieter Hoffmann, Peter Russbuldt, Christian Scholz, Markus Baumann, Konstantin Boucke
  • Beam-guiding and/or frequency-converting optical system and method for producing the same
    Publication number: 20050162731
    Abstract: The present invention relates to a beam-guiding and/or frequency-converting optical system as well as to a method of manufacturing same, wherein a beam-emitting optoelectronic component (1), which comprises at least one beam-emerging surface (2) for the emergence of a beam, is provided and connected to a surface (5) of a base (4) in such a manner that the emerging beam extends approximately in parallel with the surface (5) of said base (4). Once the optoelectronic component (1) has been connected to said base (4), a wave-guiding stratified system (4) is deposited and structured and/or locally modified on the surface (5) of said base (4) for guidance and/or frequency conversion of the beam in such a way that a gap-free contact is created between said beam exit surface (2) and said stratified (6) and a pre-determinable beam guidance is achieved.
    Type: Application
    Filed: January 10, 2003
    Publication date: July 28, 2005
    Applicant: Fraunhofer-Gesellschaft zur Forderung der angewandten Forschung e.V.
    Inventors: Jens Gottmann, Hans-Dieter Hoffmann, Peter Russbuldt, Christian Scholz, Markus Baumann, Konstantin Boucke
  • Thiolcarbamates
    Patent number: 3984450
    Abstract: New and valuable thiolcarbamates having a good herbicidal action, herbicides containing these compounds, and a process for controlling the growth of unwanted plants with these compounds.
    Type: Grant
    Filed: June 28, 1974
    Date of Patent: October 5, 1976
    Assignee: BASF Aktiengesellschaft
    Inventors: Adolf Fischer, Ludwig Schuster, Wolfgang Rohr, Karl Eicken, Hans-Dieter Hoffmann
  • Insecticidal compositions containing an organophosphorus compound and a thiolcarbamate
    Patent number: 3932632
    Abstract: New and valuable pesticide on the basis of an active ingredient from the group of organophosphorus compounds or chlorinated hydrocarbons, and additionally containing a thiol carbamate.
    Type: Grant
    Filed: August 15, 1973
    Date of Patent: January 13, 1976
    Assignee: Badische Anilin- & Soda-Fabrik Aktiengesellschaft
    Inventors: Heinrich Adolphi, Hans-Dieter Hoffmann, Karl-Heinz Koenig, Wolfgang Rohr