Patents by Inventor Sofia J. M. Nordin

Sofia J. M. Nordin 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: 6534653
    Abstract: Compounds of the formula I, in the form of their racemates, mixtures of stereoisomers or mainly pure stereoisomers in which Y is C1-C4alkylene or —SiR1R2—; X is a carbon atom and A1 and A2 independently of one another are hydrogen, C1-C12alkyl, C2-C12alkenyl, C3-C8cycloalkyl, C3-C8cycloalkenyl, C3-C8cycloalkyl-C1-C4alkyl, C3-C8cycloalkenyl-C1-C4alkyl, C6-C10aryl or C7-C14aralkyl; or X is a silicon atom and A1 and A2 independently of one another are C1-C12alkyl, C3-C8cycloalkyl, C3-C8cycloalkyl-C1-C4alkyl, C6-C10aryl or C7-C14aralkyl; A3 and A4 independently of one another are hydrogen, C1-C12alkyl, C3-C8cycloalkyl, C3-C8-cycloalkyl-C1-C4alkyl, C6-C10aryl or C7-C14aralkyl; and R1 and R2 independently of one another are C1-C6alkyl, cyclohexyl, phenyl or benzyl, are ligands for metal complexes of the eighth sub-group of the Periodic Table of the Elements, which are suitable as catalysts for asymmetric hydrogenations and transfer hydrogenations of prochiral compounds having car
    Type: Grant
    Filed: April 10, 2001
    Date of Patent: March 18, 2003
    Assignee: Solvias AG
    Inventors: Pher G. Andersson, Sofia J. M. Nordin, Peter Roth
  • Publication number: 20020061815
    Abstract: Compounds of the formula I, in the form of their racemates, mixtures of stereoisomers or mainly pure stereoisomers 1
    Type: Application
    Filed: April 10, 2001
    Publication date: May 23, 2002
    Inventors: Pher G. Andersson, Sofia J.M. Nordin, Peter Roth