Patents by Inventor Imre Gulyas

Imre Gulyas 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).

  • Non-hygroscopic monoammonium salts of phosphonic acids or phosphinic acids
    Patent number: 5543562
    Abstract: A solid, non-hygroscopic salt of the Formula (I) ##STR1## wherein R.sup.1 is hydroxy or alkyl;A is C.sub.1 to C.sub.
    Type: Grant
    Filed: April 14, 1995
    Date of Patent: August 6, 1996
    Assignee: Monsanto Europe S.A./N.V.
    Inventors: Fulgencio Powell Moreno, Laszlo Litkei, Vilmos Galamb, Imre Gulyas, Jan os Repasi, Agota Repasine Veres, Jozsef Vigh, Istvanne Koczka, Edit Fehervari, Laszlone Roka, Laszlone Pethe, Jozsef Neu
  • Non-hygroscopic monoammonium salts of phosphonic and phosphinic acids
    Patent number: 5410075
    Abstract: A solid, non-hygroscopic salt of the Formula (I) ##STR1## wherein R.sup.1 is dydroxy or alkyl;A is C.sub.1 to C.sub.
    Type: Grant
    Filed: February 4, 1994
    Date of Patent: April 25, 1995
    Assignee: Alkaloida Vegyeszeti Gyar Rt.
    Inventors: Fulgencio Powell Moreno, Laszlo Litkei, Vilmos Galamb, Imre Gulyas, Janos Repasi, Agota Repasine Veres, Jozsef Vigh, Istvanne Koczka, Edit Fehervari, Laszlone Roka, Laszlone Pethe, Jozsef Neu
  • Non-hygroscopic monoammonium salts of phosphonic and phosphinic acids
    Patent number: 5324708
    Abstract: A solid, non-hygroscopic salt of the Formula (I) ##STR1## wherein R.sup.1 is hydroxy or alkyl;A is C.sub.1 to C.sub.
    Type: Grant
    Filed: April 16, 1992
    Date of Patent: June 28, 1994
    Assignee: Aklaloida Vegyeszeti Gyar Rt.
    Inventors: Fulgencio P. Moreno, Laszlo Litkei, Vilmos Galamb, Imre Gulyas, Janos Repasi, Agota R. Veres, Jozsef Vigh, Istavanne Koczka, Edit Fehervari, Laszlone Roka, Laszlone Pethe, Jozsef Neu
  • Controlled release pharmaceutical preparation and process for preparing same
    Patent number: 5324523
    Abstract: Controlled release pharmaceutical preparations are prepared by homogenizing an organic or inorganic pharmaceutical active substance such as an opium alkaloid or its salts, an opium antagonist or its salts, an aliphatic or aromatic amine derivative or its salts, a phenolate type medicament, or Zn, Fe, Mg, K, Na salts, a fatty acid or its salt necessary to achieve a continuous phase transfer and an ethylene vinyl acetate copolymer and formulating the resulting homogeneous mixture bya) direct compressing orb) admixing with a solvent orc) using a second, auxiliary polymer.The preparations are suitable for oral or rectal administration or for tissue implantation.
    Type: Grant
    Filed: June 27, 1991
    Date of Patent: June 28, 1994
    Assignee: Alkaloida Vegyeszeti Gyar
    Inventors: Miklos Zsuga, Tibor Kelen, Jozsef Nagy, Judit Barkanyi, Magdolna Bene, Sandor Ondi, Imre Gulyas, Istvan Gyoker, Janos Repasi, Agota Repasi
  • Process for the preparation of N-phosphonomethyl-glycine
    Patent number: 4486359
    Abstract: N-phosphonomethylglycine is prepared from glycine and parsformaldehyde to obtain an intermediate which is reacted with dialkylphosphite to obtain an ester of the desired compound which is then hydrolyzed.
    Type: Grant
    Filed: October 20, 1983
    Date of Patent: December 4, 1984
    Assignee: Alkaloida Vegyeszeti Gyar
    Inventors: Marta Brendel nee Hajnoczki, Imre Gulyas, Istvan Gyoker, Kalman Zsupan, Istvan Csorvassy, Zoltan Salamon, Gabor Somogyi, Istvan Szentkiralyi, Tibor Timar, E Biro nee Czapary, Istvan Fodor, Janos Repasi
  • Partially saponified polyvinyl acetates and their application in the homo- and copolymerization of vinyl chloride
    Patent number: 4258163
    Abstract: This invention relates to novel partially saponified polyvinyl acetates with a degree of hydrolysis of 30 to 65 mole % which might be considered as vinyl alcohol-vinyl acetate block copolymers. The invention relates further to the application of said novel block copolymers as a pore-forming additive used together with at least one known protective colloid in the homo- and copolymerization of vinyl compounds, primarily of vinyl chloride in a pure aqueous medium.
    Type: Grant
    Filed: May 23, 1979
    Date of Patent: March 24, 1981
    Assignee: Borsodi Vegyi Kombinat
    Inventors: Bela Mariasi, Laszlo Molnar, Janos Toth, Imre Gulya, Miklos Nagy, Ervin Wolfram, Miklos Zrinyi, Gaborne Kovacs, Laszlone Jaksity