Patents by Inventor Laszlo Hegedus

Laszlo Hegedus 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).

  • Patent number: 8802888
    Abstract: The invention relates to a process for the preparation of trans 4-amino-cyclohexil ethyl acetate HCl wherein d) hydrogenating 4-nitrophenyl acetic acid in a protic solvent at a temperature between 40-50° C. in the presence of Pd/C under 0.1-0.6 bar overpressure, and e) further hydrogenating the 4-aminophenyl acetic acid obtained in situ in step a) at a temperature between 50-60° C. under 1-4 bar overpressures, then f) heating to reflux the 4-aminocyclohexil acetic acid obtained in step b) for 1-3 hours in hydrochloric ethanol, and if desired after removing the solvent acetonitrile was added to the residue obtained and distilled off.
    Type: Grant
    Filed: December 17, 2009
    Date of Patent: August 12, 2014
    Assignee: Richter Gedeon Nyrt.
    Inventors: Laszlo Hegedus, Laszlo Czibula, Balint Juhasz, Judit Nagyne Bagdy, Denes Markos, Olga Marianna Mathe, Julia Mathe
  • Publication number: 20110288329
    Abstract: The invention relates to a process for the preparation of trans 4-amino-cyclohexil ethyl acetate HCl wherein d) hydrogenating 4-nitrophenyl acetic acid in a protic solvent at a temperature between 40-50° C. in the presence of Pd/C under 0.1-0.6 bar overpressure, and e) further hydrogenating the 4-aminophenyl acetic acid obtained in situ in step a) at a temperature between 50-60° C. under 1-4 bar overpressures, then f) heating to reflux the 4-aminocyclohexil acetic acid obtained in step b) for 1-3 hours in hydrochloric ethanol, and if desired after removing the solvent acetonitrile was added to the residue obtained and distilled off.
    Type: Application
    Filed: December 17, 2009
    Publication date: November 24, 2011
    Inventors: Tibor Bence Mathe, Olga Marianna Mathe, Julia Mathe Heiress, Laszlo Hegedus, Laszlo Czibula, Balint Juhasz, Judit Nagyne Bagdy, Denes Markos
  • Patent number: 4641834
    Abstract: The subject of the invention is an apparatus set up on a small area and at any place, thus in the home too, which is suitable for the development of both leg muscles and for the intensification of the kicking force. The apparatus consists of a ball-holding basket capable to move in the direction of kicking and upon completion of the kicking to return it quickly to its initial position. The apparatus may include such adjusting unit, whereby the load applied to the leg is controllable. The apparatus can be set up on the ground or fixed to a wall.
    Type: Grant
    Filed: April 9, 1985
    Date of Patent: February 10, 1987
    Inventors: Laszlo Hegedus, Zoltan Horvath