Patents by Inventor Hans Iding

Hans Iding 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).

  • Publication number: 20040053979
    Abstract: Compounds of formula I are provided 1
    Type: Application
    Filed: September 10, 2003
    Publication date: March 18, 2004
    Inventors: Alfred Binggeli, Beat Wirz, Uwe Grether, Hans Hilpert, Roland Humm, Hans Iding, Bernd Kuhn, Hans-Peter Maerki, Markus Meyer, Peter Mohr
  • Publication number: 20030119152
    Abstract: The present invention relates to a new process for the preparation compounds of formula I 1
    Type: Application
    Filed: September 23, 2002
    Publication date: June 26, 2003
    Inventors: Konrad Bleicher, Scott Borthwick, Hans Iding, Mark Rogers-Evans, Stefan Schmid, Han Min Tong, Beat Wirz
  • Patent number: 6518048
    Abstract: The invention provides a multistep synthesis for the preparation of 4,5-diamino shikimic acid derivatives of formula starting from an isophthalic acid derivative of formula 4,5-Diamino shikimic acid derivatives are potent inhibitors of viral neuraminidase.
    Type: Grant
    Filed: March 19, 2001
    Date of Patent: February 11, 2003
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Hans Iding, Beat Wirz, Ulrich Zutter
  • Patent number: 6420166
    Abstract: The present invention provides a process for the preparation of D-asparagine derivatives of formula I wherein R1 is an amino protecting group and R2 is an alkyl, a substituted alkyl or a group of formula A R3(OCH2CH2)n—  A wherein R3 is hydrogen or an lower alkyl group and n is 1, 2 or 3, which process comprises reacting a compound of formula II wherein R1 and R2 are as defined above, with a protease in an aqueous solution at a pH of 6.0-7.5 and an organic solvent, and subsequently extracting the enantiomeric pure product of formula I. Compounds of formula I can be used as intermediates in the production of antibacterial substances.
    Type: Grant
    Filed: April 12, 2001
    Date of Patent: July 16, 2002
    Assignee: Basolea Pharmaceutica AG
    Inventors: Hans Iding, Mark Rogers-Evans, Beat Wirz
  • Publication number: 20010049127
    Abstract: The present invention provides a process for the preparation of D-asparagine derivatives of formula I 1
    Type: Application
    Filed: April 12, 2001
    Publication date: December 6, 2001
    Inventors: Hans Iding, Mark Rogers-Evans, Beat Wirz
  • Publication number: 20010036653
    Abstract: The invention provides a multistep synthesis for the preparation of 4,5-diamino shikimic acid derivatives of formula 1
    Type: Application
    Filed: March 19, 2001
    Publication date: November 1, 2001
    Inventors: Hans Iding, Beat Wirz, Ulrich Zutter