Patents by Inventor Per H Svensson

Per H Svensson 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).

  • Thionation process and a thionating agent
    Patent number: 9221855
    Abstract: A process for transforming a group >C?O (I) in a compound into a group >C?S (II) or into a tautomeric form of group (II) in a reaction giving a thionated reaction product, by use of crystalline P2S5.2 C5H5N as a thionating agent. A thionating agent which is crystalline P2S5.2 C5H5N.
    Type: Grant
    Filed: February 3, 2012
    Date of Patent: December 29, 2015
    Assignee: VIRONOVA THIONATION AB
    Inventors: Birgitta Pettersson, Vedran Hasimbegovic, Per H Svensson, Jan Bergman
  • Thionating agent
    Patent number: 9115158
    Abstract: A process for transforming a group >C?O (I) in a compound into a group >C?S (II) or into a tautomeric form of group (II) in a reaction giving a thionated reaction product, by use of crystalline P2S5.2C5H5N as a thionating agent. A thionating agent which is crystalline P2S5.2C5H5N.
    Type: Grant
    Filed: July 8, 2013
    Date of Patent: August 25, 2015
    Assignee: VIRONOVA THIONATION AB
    Inventors: Birgitta Pettersson, Vedran Hasimbegovic, Per H Svensson, Jan Bergman
  • THIONATING AGENT
    Publication number: 20130303767
    Abstract: A process for transforming a group >C?O (I) in a compound into a group >C?S (II) or into a tautomeric form of group (II) in a reaction giving a thionated reaction product, by use of crystalline P2S5.2 C5H5N as a thionating agent. A thionating agent which is crystalline P2S5.2 C5H5N.
    Type: Application
    Filed: July 8, 2013
    Publication date: November 14, 2013
    Inventors: Birgitta PETTERSSON, Vedran HASIMBEGOVIC, Per H SVENSSON, Jan BERGMAN
  • THIONATION PROCESS AND A THIONATING AGENT
    Publication number: 20130102774
    Abstract: A process for transforming a group >C?O (I) in a compound into a group >C?S (II) or into a tautomeric form of group (II) in a reaction giving a thionated reaction product, by use of crystalline P2S5.2 C5H5N as a thionating agent. A thionating agent which is crystalline P2S5.2 C5H5N.
    Type: Application
    Filed: February 3, 2012
    Publication date: April 25, 2013
    Applicant: VIRONOVA AB
    Inventors: Birgitta Pettersson, Vedran Hasimbegovic, Per H Svensson, Jan Bergman