Patents by Inventor Matyas Aradi

Matyas Aradi 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).

  • Chloromethylation of thiophene
    Patent number: 7462725
    Abstract: The process according to the invention relates to the preparation of 2-chloromethyl-thiophene of the formula (I). During this process thiophene is chloromethylated in the presence of one or more compounds containing keto group and optionally it is transformed into the compound of the formula (II). Compounds of formula (I) and (II) are intermediates of several pharmaceutically active ingredients.
    Type: Grant
    Filed: May 16, 2002
    Date of Patent: December 9, 2008
    Assignee: Sanofi-Aventis
    Inventors: Mátyás Aradi, Ferenc Bakos, Zsolt Dombrády, Antal Gajáry, István Gyöngyösi, Ferenc Kovács, Andrea Major, Erika Máténé Török, Zsolt Párkányi, László Schultz, Attila Supic, Sándor Szabó, Erzsébet Szalay, József Ugrics, József Zsiga
  • Chloromethylation of thiophene
    Publication number: 20060161008
    Abstract: The process according to the invention relates to the preparation of 2-chloromethyl-thiophene of the formula (I). During this process thiophene is chloromethylated in the presence of one or more compounds containing keto group and optionally it is transformed into the compound of the formula (II). Compounds of formula (I) and (II) are intermediates of several pharmaceutically active ingredients.
    Type: Application
    Filed: May 16, 2002
    Publication date: July 20, 2006
    Inventors: Matyas Aradi, Ferenc Bakos, Zsolt Dombrady, Antal Gajary, Istvan Gyongyosi, Ferenc Kovacs, Andrea Major, Erika Matene Torok, Zsolt Parkanyi, Laszlo Schultz, Attila Supic, Sandor Szabom, Erzsebet Szalay, Jozsef Ugrics, Jozsef Zsiga
  • Process for the preparation of 1-(3,4-dimethoxyphenyl)ethanol
    Patent number: 6403843
    Abstract: The subject of our invention is the process for the preparation of the 1-(3,4-dimethoxyphenyl)ethanol of formula (I), by the reduction of 3,4-dimethoxyacetophenone of formula (II), characterized in that the carbonyl group of the 3,4-dimethoxyacetophenone of formula (II) is reduced by 1 mol of hydrogen under the conditions of catalytic hydrogenation.
    Type: Grant
    Filed: March 29, 2000
    Date of Patent: June 11, 2002
    Assignee: Agro-Chemie
    Inventors: Matyas Aradi, Geza Arvai, Bela Bertok, Zsuzsanna Kuruczne Ribai, Erzsebet Szalay, Istvan Szekely