Patents by Inventor Hans-Erik Hjelmroth

Hans-Erik Hjelmroth 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).

  • System and Method for Inkjet Printing
    Publication number: 20080196609
    Abstract: A system and method for making an image printing plate and for positioning control of a lithographic printing plate in the system. The system includes a carrier plate for supporting the printing plate for thereby increasing image quality, and a controlled curing device for improved accuracy of curing.
    Type: Application
    Filed: May 4, 2005
    Publication date: August 21, 2008
    Applicant: Glunz & Jensen A/S
    Inventors: Joachim Spies, Frederik J. Dynesen, Christoffer Bay, Teit Nielsen, Allan Sleto, Jan Nymann Weje, Hans-Erik Hjelmroth, Sten Haunstrup
  • Ink composition for ink-jetting upon substrates for a print form, process for producing it and method of preparing a lithographic print form
    Publication number: 20060048662
    Abstract: A lithographic printing form comprising an ink where said ink comprises a polymer or copolymer having acidic groups where at least one of said groups has been converted to an amide. A method of producing a lithographic printing form comprising the steps of printing upon a substrate with an ink comprising the previously mentioned polymer and drying the substrate. An ink and a process for producing inks comprising a polymer or copolymer with acidic groups, where at least one of said groups has been converted to the corresponding amide; optionally the ink further comprises fatty acids, metals, metal complexes and/or dyes.
    Type: Application
    Filed: October 27, 2003
    Publication date: March 9, 2006
    Applicant: GLUNZ & JENSEN A/S
    Inventors: Hans-Erik Hjelmroth, Joachim Spies, Sten Haustrup, Alex Rorbaek