Patents by Inventor Johannes Artner

Johannes Artner 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).

  • AMMONIUM SALTS OF 9,10-DIHYDRO-10-HYDROXY-9-OXA-10-PHOSPHA-PHENANTHRENE-10-ONE
    Publication number: 20120292582
    Abstract: The invention relates to ammonium salts of 9,10-dihydro-10-hydroxy-9-oxa-10-phosphaphenanthrene-10-one or -10-oxide (DOPO-OH) of formula I: wherein X is selected from ammonia, melamine, and guanidine, as well as ring-opened hydrolyzates thereof according to the following formula II: wherein X is defined as above.
    Type: Application
    Filed: April 17, 2012
    Publication date: November 22, 2012
    Applicant: Krems Chemie Chemical Services AG
    Inventors: Thomas Zich, Fritz Freidl, Bernadette Mehofer, Michael Hönel, Johannes Artner, Manfred Döring, Michael Ciesielski