Patents by Inventor Catarina Ludwig

Catarina Ludwig 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).

  • Patent number: 5658910
    Abstract: Novel compounds of the formula: ##STR1## wherein R is selected from saturated or unsaturated alkyls, saturated or unsaturated cycloalkyls, heterocyclic compounds, or from (a) or (b) wherein G is carbon wherein G is carbon or nitrogen; m is 0-10, wherein R.sub.1, R.sub.2, and R.sub.3 are the same or different and selected from hydrogen, halogen, alkyl having 1 to 5 carbon atoms, electron donor groups such as alkoxy having 1-5 carbons or hydroxy, electron acceptor groups selected from cyano, nitro, trifluoroalkyl and the pharmacologically acceptable salts thereof; being useful for treating disorder in the central nervous system.
    Type: Grant
    Filed: May 3, 1995
    Date of Patent: August 19, 1997
    Assignee: Pharmacia AB
    Inventors: Anders Bjork, Gunnar Andersson, Catarina Ludwig, Elisabeth Seifert, Arne Nilsson, Torbjorn Lundstedt, Lisbeth Abramo, Goran Pettersson, Curt Nordvi, Jin Chang Wu