Patents by Inventor Birgit Endl

Birgit Endl 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 preparing ceftolozane from 7-aminocephalosporanic acid (7-ACA)
    Patent number: 10532058
    Abstract: The present invention relates to a highly convergent method for the synthesis and purification of ceftolozane and intermediates starting from 7-aminocephaiosporanic acid (7-ACA).
    Type: Grant
    Filed: September 7, 2016
    Date of Patent: January 14, 2020
    Assignee: Sandoz AG
    Inventors: Michael Fischer, Wolfgang Felzmann, Ronny Huetz, Martin Langner, Birgit Endl
  • Process for Preparing Ceftolozane from 7-Aminocephalosporanic Acid (7-ACA)
    Publication number: 20180338981
    Abstract: The present invention relates to a highly convergent method for the synthesis and purification of ceftolozane and intermediates starting from 7-aminocephaiosporanic acid (7-ACA).
    Type: Application
    Filed: September 7, 2016
    Publication date: November 29, 2018
    Applicant: Sandoz AG
    Inventors: Michael Fischer, Wolfgang Felzmann, Ronny Huetz, Martin Langner, Birgit Endl
  • PREPARATION OF ERTAPENEM INTERMEDIATES
    Publication number: 20170166570
    Abstract: The present invention relates to the preparation of compounds, in particular to the preparation of compounds which may be used as intermediates for the preparation of antibiotics, preferably carbapenem antibiotics, more preferably ertapenem, and salts thereof.
    Type: Application
    Filed: January 17, 2017
    Publication date: June 15, 2017
    Applicant: Sandoz AG
    Inventors: Hannes Lengauer, Birgit Endl, Wolfgang Felzmann
  • Preparation of ertapenem intermediates
    Patent number: 9546171
    Abstract: The present invention relates to the preparation of compounds, in particular to the preparation of compounds which may be used as intermediates for the preparation of antibiotics, preferably carbapenem antibiotics, more preferably ertapenem, and salts thereof.
    Type: Grant
    Filed: October 11, 2013
    Date of Patent: January 17, 2017
    Assignee: Sandoz AG
    Inventors: Hannes Lengauer, Birgit Endl, Wolfgang Felzmann
  • PREPARATION OF ERTAPENEM INTERMEDIATES
    Publication number: 20150274732
    Abstract: The present invention relates to the preparation of compounds, in particular to the preparation of compounds which may be used as intermediates for the preparation of antibiotics, preferably carbapenem antibiotics, more preferably ertapenem, and salts thereof.
    Type: Application
    Filed: October 11, 2013
    Publication date: October 1, 2015
    Applicant: Sandoz AG
    Inventors: Hannes Lengauer, Birgit Endl, Wolfgang Felzmann