Patents by Inventor Stanislaw Penczek

Stanislaw Penczek 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).

  • Process for the preparation of acetal polymers
    Patent number: 7022805
    Abstract: The present invention relates to a process for the preparation of acetal polymers, in particular of polyoxymethylene (POM) by cationic polymerization where organophosphonic and/or organophosphinic acids and/or their derivatives and/or their precursors are used as the initiator.
    Type: Grant
    Filed: September 10, 2004
    Date of Patent: April 4, 2006
    Assignee: Ticona GmbH
    Inventors: Michael Haubs, Stanislaw Penczek
  • Process for the preparation of acetal polymers
    Publication number: 20050059797
    Abstract: The present invention relates to a process for the preparation of acetal polymers, in particular of polyoxymethylene (POM) by cationic polymerization where organophosphonic and/or organophosphinic acids and/or their derivatives and/or their precursors are used as the initiator.
    Type: Application
    Filed: September 10, 2004
    Publication date: March 17, 2005
    Applicant: TICONA GmbH
    Inventors: Michael Haubs, Stanislaw Penczek