Patents by Inventor Eva Csikos

Eva Csikos 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 3-spiro'cyclohexam-1,3'-'3h!indolin-2'-one! derivatives
    Publication number: 20040225124
    Abstract: The invention relates to a process for the preparation of a compound of the formula (I) by reacting a compound of the formula (II) with a compound of the formula (III) characterised by dissolving the compounds of the formula (II) and formula (III) in a water-inmiscible organic solvent in the presence of a phase transfer catalyst, reacting with a.) an aqeuos solution of a base, or b.) a base in solid form directly and if desired transforming the compound of formula (I) thus obtained into its salt.
    Type: Application
    Filed: June 7, 2004
    Publication date: November 11, 2004
    Inventors: Eva Csikos, Csaba Gonczi, Felix Hajdu, Istvan Hermecz, Gergely Heja, Gergelyne Heja, Csilla Majlath, Lajos Nagy, Andrea Csutor Santane, Toborne Szomor, Gyorgyne Szvoboda
  • Process for the preparation of 1,5-disubstituted-3-amino-1,2,4,-triazoles and substituted aminoguanidines as intermediate compounds
    Publication number: 20040039203
    Abstract: New process for the preparation of 1,5-disubstituted-3-amino-1,2,4-triazoles of the general formula (I), wherein the meaning of R is C1-5alkyl group; C3-13cycloalkyl-C0-4alkyl group, optionally substituted by one or more C1-3alkyl group; phenyl-C0-2alkyl-, (CH2)n-morpholino-, piperidino-, pyrrolidino- or piperazino-group, optionally substituted by one or more halogen atom, C1-3alkyl group, C1-3alkoxy group, n is 1-5, R1, R2, R3, and R4 stand independently for hydrogen, halogen, C1-6alkyl group, C1-3alkoxy group or trifuluoromethyl group, with the proviso that of the substituents R1, R2, R3, and R4 at least one stands for hydrogen.
    Type: Application
    Filed: August 4, 2003
    Publication date: February 26, 2004
    Inventors: Sandor Bokotey, Eva Csikos, Csaba Gonczi, Felix Hajdu, Istvan Hermecz, Gergely Heja, Benjamin Pdanyi, Andrea Santane Csutor, Tiborne Szomor, Gyorgyne Szvoboda
  • Triazole derivatives and pharmaceutical compositions comprising them
    Publication number: 20040019091
    Abstract: The present invention relates to compounds of formula (I) and their pharmaccutically acceptable salts, solvates, hydrates and polymorphs. These compounds are powerful and selective CCK1 receptor agonists.
    Type: Application
    Filed: April 8, 2003
    Publication date: January 29, 2004
    Inventors: Eric Bignon, Eva Csikos, Daniel Frehel, Csaba Gonczi, Gergley Heja, Miklos Morvai, Benjamin Podanyi, Erika Schlovicsko Varkonyine
  • New process for the preparation of spiro[(4-cyclohexanone)-[3H]indol-2'[1'H]-one derivatives
    Publication number: 20030212278
    Abstract: The invention relates to a process for the preparation of spiro[(4-cyclohexanone)-[3H]indol]-2′[1′H]-one derivatives of the general formula I 1
    Type: Application
    Filed: April 8, 2003
    Publication date: November 13, 2003
    Inventors: Csaba Gonczi, Eva Csikos, Istvan Hermecz, Gergely Heja, Arpad Illar, Lajos Nagy, Andrea Santane Csutor, Attila Simon, Kalman Simon, Agota Smelkone Esek, Tiborne Szomor, Gyorgyne Szvoboda