Patents by Inventor Sabina Ronneteg

Sabina Ronneteg 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).

  • USE OF A DUPLEX STAINLESS STEEL IN A PHOSPHORIC ACID PRODUCTION SYSTEM
    Publication number: 20100294472
    Abstract: The present disclosure relates to the use of a duplex stainless steel as heat exchanger material in a phosphoric acid production system using the wet method. The steel has the following composition in percent by weight: C max 0.03 Si max 0.5 Mn max 3 Cr 26-29 Ni 4.9-10 Mo 3-5 N 0.35-0.5 B max 0.0030 Co max 3.5 W max 3 Cu max 2 Ru max 0.3 balance Fe and normal occurring impurities.
    Type: Application
    Filed: October 24, 2008
    Publication date: November 25, 2010
    Applicant: SANDVIK INTELLECTUAL PROPERTY AB
    Inventors: Sabina Ronneteg, Knut Tersmeden, Anna-Lena Nyström