Patents by Inventor Monika Babjak

Monika Babjak 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 PREPARATION OF CHIRALLY PURE NATEGLINIDE
    Publication number: 20100256414
    Abstract: The invention relates to N-(trans-4-isopropylcyclohexylcarbonyl)-D-phenylalanine (nateglinide) in the novel crystalline form “G” and a process for the preparation thereof. A process for the preparation of chirally pure nateglinide by treating a lower alkyl ester thereof with a base to yield an alkali salt and liberating the product from said salt by proper addition of an acid, is also provided. Still another aspect of the invention is a process for the preparation of nateglinide in the crystalline form “H” from other crystalline modifications of nateglinide.
    Type: Application
    Filed: April 7, 2010
    Publication date: October 7, 2010
    Inventors: Maria Gazdag, Tibor Gizur, Bela Hegedus, Attila Szemzo, Gabor Tarkanyi, Jozsef Törley, Monika Babjak
  • Process for the preparation of chirally pure N-(trans-4-is)
    Patent number: 7767847
    Abstract: The invention relates to N-(trans-4-isopropylcyclohexylcarbonyl)-D-phenylalanine (nateglinide) in the novel crystalline form “G” and a process for the preparation thereof. A process for the preparation of chirally pure nateglinide by treating a lower alkyl ester thereof with a base to yield an alkali salt and liberating the product from said salt by proper addition of an acid, is also provided. Still another aspect of the invention is a process for the preparation of nateglinide in the crystalline form “H” from other crystalline modifications of nateglinide.
    Type: Grant
    Filed: July 8, 2004
    Date of Patent: August 3, 2010
    Assignee: Richter Gedeon Vegyeszeti Gyar RT.
    Inventors: Maria Gazdag, Tibor Gizur, Bela Hegedus, Attila Szemzo, Gabor Tarkanyi, Jozsef Törley, Monika Babjak
  • Process for the preparation of chirally pure n-(trans-4-is
    Publication number: 20070043117
    Abstract: The invention relates to N-(trans-4-isopropylcyclohexylcarbonyl)-D-phenylalanine (nateglinide) in the novel crystalline form “G” and a process for the preparation thereof. A process for the preparation of chirally pure nateglinide by treating a lower alkyl ester thereof with a base to yield an alkali salt and liberating the product from said salt by proper addition of an acid, is also provided. Still another aspect of the invention is a process for the preparation of nateglinide in the crystalline form “H” from other crystalline modifications of nateglinide.
    Type: Application
    Filed: July 8, 2004
    Publication date: February 22, 2007
    Inventors: Maria Gazdag, Tibor Gizur, Bela Hegedus, Attila Szemzo, Gabor Tarkanyi, Jozsef Torley, Monika Babjak