Patents by Inventor Bengt Leonard ?slund

Bengt Leonard ?slund 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).

  • Crystalline naloxol-peg conjugate
    Patent number: 9012469
    Abstract: Naloxol-polyethlyene glycol conjugates of the formula: are provided in oxalate or phosphate salt forms including crystalline forms. Methods of preparing the salt forms and pharmaceutical compositions comprising the salt forms are also provided.
    Type: Grant
    Filed: September 29, 2011
    Date of Patent: April 21, 2015
    Assignees: AstraZeneca AB, Nektar Therapeutics
    Inventors: Bengt Leonard Åslund, Carl-Johan Aurell, Martin Hans Bohlin, Eric Thomas Healy, David Richard Jensen, David Thomas Jonaitis, Stephan Parent, Tesfai Sebhatu, Bo Ingvar Ymén
  • Crystalline forms
    Patent number: 7820645
    Abstract: There are provided crystalline forms of the compounds Ph(3-Cl)(5-OCHF2)—(R)CH(OH)C(O)-Aze-Pab(OMe) and Ph(3-Cl)(5-OCHF2)—(R)CH(OH)C(O)-Aze-Pab(OH), pharmaceutical compositions containing them, processes for obtaining them and their use in medical treatment.
    Type: Grant
    Filed: December 5, 2007
    Date of Patent: October 26, 2010
    Assignee: AstraZeneca AB
    Inventors: Bengt Leonard Åslund, Stefan Bengtsson, Gudrun Anita Bergman, Ursula Renata Maria Hohlneicher, Bo Ingvar Ymén