Patents by Inventor Doris Osl

Doris Osl 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).

  • Process for the stereoselective enzymatic hydrolysis of 5-methyl-3-nitromethyl-hexanoic acid ester
    Patent number: 8546112
    Abstract: The present invention relates to processes for the preparation of 5-methyl-3-nitromethyl-hexanoic acid ester and its salts. Also disclosed are processes for the preparation of 5-methyl-3-nitromethyl-hexanoic acid salt and a process for the preparation of 3-(aminomethyl)-5-methylhexanoic acid. (S)-5-Methyl-3-nitromethyl-hexanoic acid or (R)-5-methyl-3-nitromethyl-hexanoic acid in enantioenriched form or enantiopure form as well as salts thereof, (S)-5-methyl-3-nitromethyl-hexanoic acid ester or (R)-5-methyl-3-nitromethyl-hexanoic acid ester in enantioenriched form or enantiopure form and a compound, namely Formula (XIII), in racemic form, enantioenriched form or enantiopure form are also disclosed.
    Type: Grant
    Filed: May 19, 2009
    Date of Patent: October 1, 2013
    Assignee: Sandoz AG
    Inventors: Martin Albert, Ferdinand Zepeck, Andreas Berger, Waander Riethorst, Helmut Schwab, Daniel Luschnig, Peter Remler, Joerg Salchenegger, Doris Osl, Dominic De Souza
  • PROCESS FOR THE STEREOSELECTIVE ENZYMATIC HYDROLYSIS OF 5-METHYL-3-NITROMETHYL-HEXANOIC ACID ESTER
    Publication number: 20110165636
    Abstract: The present invention relates to processes for the preparation of 5-methyl-3-nitromethyl-hexanoic acid ester and its salts. Also disclosed are processes for the preparation of 5-methyl-3-nitromethyl-hexanoic acid salt and a process for the preparation of 3-(aminomethyl)-5-methylhexanoic acid. (S)-5-Methyl-3-nitromethyl-hexanoic acid or (R)-5-methyl-3-nitromethyl-hexanoic acid in enantioenriched form or enantiopure form as well as salts thereof, (S)-5-methyl-3-nitromethyl-hexanoic acid ester or (R)-5-methyl-3-nitromethyl-hexanoic acid ester in enantioenriched form or enantiopure form and a compound, namely Formula (XIII), in racemic form, enantioenriched form or enantiopure form are also disclosed.
    Type: Application
    Filed: May 19, 2009
    Publication date: July 7, 2011
    Applicant: SANDOZ AG
    Inventors: Martin Albert, Ferdinand Zepeck, Andreas Berger, Waander Riethorst, Helmut Schwab, Daniel Luschnig, Peter Remler, Joerg Salchenegger, Doris Osl, Dominic DeSouza