Patents by Inventor Dan MURENA

Dan MURENA 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).

  • Weather resistant polyoxymethylene compositions
    Patent number: 9540553
    Abstract: The present invention relates to a composition comprising a) at least one polyoxymethylene (A) having terminal OH-groups of more than 15 mmol/kg, b) at least one coupling agent (B), c) one or more hindered amine light stabilizer (C) having a molecular weight ranging from 500 to 1000 g/mol, and d) optionally at least one reinforcing fiber (D).
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: January 10, 2017
    Assignee: Ticona GmbH
    Inventors: Kirsten Markgraf, Bruce M. Mulholland, Dan Murena, Joachim Floeck
  • Weather Resistant Polyoxymethylene Compositions
    Publication number: 20150299544
    Abstract: The present invention relates to a composition comprising a) at least one polyoxymethylene (A) having terminal OH-groups of more than 15 mmol/kg, b) at least one coupling agent (B), c) one or more hindered amine light stabilizer (C) having a molecular weight ranging from 500 to 1000 g/mol, and d) optionally at least one reinforcing fiber (D).
    Type: Application
    Filed: March 15, 2013
    Publication date: October 22, 2015
    Applicant: Ticona GmbH
    Inventors: Kirsten MARKGRAF, Bruce M. MULHOLLAND, Dan MURENA, Joachim FLOECK