Patents by Inventor Deby Yigal

Deby Yigal 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).

  • Intermediate for preparing midodrine
    Patent number: 6610886
    Abstract: The invention provides a process for the preparation of 2-amino-N-[2-(2,5-dimethoxyphenyl)-2-hydroxyethyl]acetamide of the formula 1 by hydrogenolysis of substituted 2-dibenzylamino-N-[2-(2′,5′-dimethoxyphenyl)-2-hydroxy-ethyl]acetamide having the formula (5), wherein Ar and Ar′ are aryl groups.
    Type: Grant
    Filed: July 30, 2002
    Date of Patent: August 26, 2003
    Assignee: Chemagis Ltd.
    Inventors: Michael Brand, Ronit Chen, Deby Yigal, Joseph Kaspi
  • Intermediate for preparing midodrine
    Publication number: 20020193635
    Abstract: The invention provides a process for the preparation of 2-amino-N-[2-(2,5-dimethoxyphenyl)-2-hydroxyethyl]acetamide of the formula 1 by hydrogenolysis of substituted 2-dibenzylamino-N-[2-(2′,5′-dimethoxyphenyl)-2-hydroxy-ethyl]acetamide having the formula (5), wherein Ar and Ar′are aryl groups.
    Type: Application
    Filed: July 30, 2002
    Publication date: December 19, 2002
    Applicant: Chemagis Ltd.
    Inventors: Michael Brand, Ronit Chen, Deby Yigal, Joseph Kaspi
  • PROCESS FOR THE PREPARATION OF MIDODRINE
    Publication number: 20020128511
    Abstract: The invention provides a process for the preparation of 2-amino-N-[2-(2,5-dimethoxyphenyl)-2-hydroxyethyl]acetamide of the formula 1 by hydrogenolysis of substituted 2-dibenzylamino-N-[2-(2′,5′-dimethoxyphenyl)-2-hydroxy-ethyl]acetamide having the formula (5), wherein Ar and Ar′ are aryl groups.
    Type: Application
    Filed: January 9, 2002
    Publication date: September 12, 2002
    Applicant: Chemagis Ltd.
    Inventors: Michael Brand, Ronit Chen, Deby Yigal, Joseph Kaspi
  • Process for the preparation of Midodrine
    Patent number: 6444851
    Abstract: The invention provides a process for the preparation of 2-amino-N-[2-(2,5-dimethoxyphenyl)-2-hydroxyethyl]acetamide of the formula 1 by hydrogenolysis of substituted 2-dibenzylamino-N-[2-(2′,5′-dimethoxyphenyl)-2-hydroxy-ethyl]acetamide having the formula (5), wherein Ar and Ar′ are aryl groups,
    Type: Grant
    Filed: January 9, 2002
    Date of Patent: September 3, 2002
    Assignee: Chemagis Ltd.
    Inventors: Michael Brand, Ronit Chen, Deby Yigal, Joseph Kaspi