Patents by Inventor Pal Agocs

Pal Agocs 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 preparing N-phenyl-N-methoxyacetyl-DL-alanine methyl ester derivatives
    Patent number: 5639905
    Abstract: Process for the preparation of N-phenyl-N-methoxyacetyl-DL-alanine methyl ester derivatives of the formula (I). ##STR1## wherein R is a C.sub.1-4 alkyl residue; and n is a cardinal number between from 1 to 3,which comprises reacting an N-methoxyacetyl derivative of the formula (II). ##STR2## wherein R and n are as defined above, with a stoichiometric amount of an alkaline metal alkoxide, at a temperature between 80.degree. C. and 150.degree. C., until completion of the removal of the alkanol present in the system, then reacting the thus obtained alkaline metal salt of the compound of formula (II) directly or after isolation with a methyl DL-x-halopropionate.
    Type: Grant
    Filed: September 13, 1994
    Date of Patent: June 17, 1997
    Assignee: Nitrokemia Ipartelepek
    Inventors: Lajos Nagy, Jeno Pelyva, Pal Agocs, Csaba Soptei, Judit Benczik nee Pasztor, Zoltan Kolonics, Sandor Balint, Dezso Sebok, Jolan Cseke, Tibor Kranitz, Laszlo Legradi
  • Process for preparing methoxyacetic acid
    Patent number: 4968840
    Abstract: A process for preparing methoxyacetic acid by reacting monochloroacetic acid with sodium methylate, in a methanolic solvent at increased temperature. Methanol is distilled off and methoxyacetic acid methylester is added to the residue. The stirrable mixture is contacted with dry hydrochloric acid gas. The methoxyacetic acid methylester is distilled off after removing the precipitated sodium chloride, to recover the desired product.
    Type: Grant
    Filed: July 13, 1989
    Date of Patent: November 6, 1990
    Assignee: Nitrokemia Ipartelepek
    Inventors: Pal Agocs, Lajos Nagy, Jeno Pelyva, Laszlo Legradi, Zoltan Kolonics, Csaba Soptei
  • Substituted-1,2,4-oxadiazolidine-3-one derivatives
    Patent number: 4193922
    Abstract: Herbicidal and fungicidal compounds of the formula ##STR1## wherein R.sub.1 is substituted or unsubstituted phenyl or naphthyl and R.sub.2 and R.sub.3 are the same or different and are C.sub.1 -C.sub.5 alkyl or from a five- or six-membered ring.
    Type: Grant
    Filed: June 8, 1976
    Date of Patent: March 18, 1980
    Assignee: Eszakmagyarorszagi Vegyimuvek
    Inventors: Pal Agocs, Istvan Fabian, Andras Gajdacsi, Sandor Nagy, Zoltan Pinter