Patents Assigned to Krems Chemie Chemical Services AG
  • 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