Patents by Inventor Endre Csanyi

Endre Csanyi 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).

  • Dental composition and a process for the preparation thereof
    Patent number: 5110720
    Abstract: The invention is directed to compositions for use in dental preparations which comprise an anti-osteoporotic agent, particularly ipriflavone, an anti-phlogistic agent, particularly triamcinolone, and, optionally, a natural or synthetic chemotherapeutic agent or local anaesthetic. The invention is also directed to methods for preparation of the compositions and methods of their use for treating caries and for the healing of acute, subacute or chronic inflammatory lesion of pulp, dental radix or the bony substance surrounding them.
    Type: Grant
    Filed: June 28, 1989
    Date of Patent: May 5, 1992
    Assignee: Reanal Einomvegyszergyar
    Inventors: Endre Csanyi, Gabor Csanyi, Tibor Balogh, Laszlo Nagy
  • 1,1,2-triphenylpropane and -propene derivatives
    Patent number: 4806685
    Abstract: A novel 1,1,2-triphenylpropene derivative, namely: ##STR1## acts on the endocrine system of rats. It exerts oestrogenic or antioestrogenic effects of varying strength in rats, and furthermore inhibits the growth of the mammary tumor induced by 7,12-dimethyl-benz(a)anthracene in rats.
    Type: Grant
    Filed: January 31, 1986
    Date of Patent: February 21, 1989
    Assignee: Gyogyszerkutato Inteezet/Pharmaceutical Research Institute
    Inventors: Gizella Abraham, Tibor Horvath, Lajos Toldy, Janos Borvendeg, Endre Csanyi, Eva Kiss, Ilona S. nee Hermann, Kalman Tory
  • Bis(nitrosoureido)-polyol derivatives
    Patent number: 4237273
    Abstract: The invention relates to bis(nitrosoureido)-polyol derivatives of general formula IB.sub.1 --A--B.sub.2 (I)whereinA stands for an open chain polyol comprising 4 to 6 carbon atoms or a six-membered cyclic polyol, andB.sub.1 and B.sub.2 being attached to two different carbon atoms of the chain A, are identical or different, and stand for a group of general formula II ##STR1## wherein X stands for a halogen atom andY and Z stand for a hydrogen atom or a nitroso group, with the restriction, that in B.sub.1 and B.sub.2 Y and Z must be different.The above compounds possess valuable cytostatic activity.
    Type: Grant
    Filed: July 17, 1978
    Date of Patent: December 2, 1980
    Assignee: Richter Gedeon Vegyeszeti Gyar RT
    Inventors: Tibor Horvath, Endre Csanyi, Sandor Eckhardt, Emilia Kiraly nee Vida
  • 1,6-Dimesyl-3,4-dimethyl-D-mannitol and a process for the preparation thereof
    Patent number: 4235803
    Abstract: The invention relates to 1,6-dimesyl-3,4-dimethyl-D-mannitol of the formula (I), ##STR1## wherein Ms is mesyl and Me is methyl. This compound is a potent cytostatic agent which can be used to advantage in the therapy of various tumorous diseases.1,6-Dimesyl-3,4-dimethyl-D-mannitol is prepared according to the invention by subjecting 3,4-dimethyl-D-mannitol to partial mesylation followed by acylation, and splitting off the acyl groups of the resulting compound of the general formula (III), ##STR2## wherein Ms and Me are as defined above and R is a saturated lower aliphatic group, with an acidic alcohol.
    Type: Grant
    Filed: April 26, 1979
    Date of Patent: November 25, 1980
    Assignee: Gyogyszerkutato Intezet
    Inventors: Janos Kuszmann, Pal Sohar, Endre Csanyi, Emilia Kiraly nee Vida
  • Compounds of ergolene and ergoline structure and method for the preparation thereof
    Patent number: 4108855
    Abstract: The invention relates to a novel compound of the formula ##STR1## and the pharmaceuticlly acceptable acid addition salts thereof, wherein R stands for a hydrogen atom or methyl group, x y designates a ##STR2## Q is a hydrogen atom or a benzyloxycarbonyl- or N-tert.-butyloxycarbonyl protective group, and R.sub.1 is the side chain of a natural .alpha.-amino acid selected from the group consisting of Arg--, Tryp-13 , Phe--, Ser--, Leu--, Val--, Meth--, Tyr--, His-- or Prol---side-chain.The compounds according to the invention possess antiserotonin and hypotensive effects and act upon the central nervous system.
    Type: Grant
    Filed: March 2, 1977
    Date of Patent: August 22, 1978
    Assignee: Richter Gedeon Vegyeszeti Gyar Rt.
    Inventors: Erzsebet Mago nee Karacsony, Sandor Bajusz, Jozsef Borsi, Ildiko Kiraly, Endre Csanyi, Istvan Polgari
  • Compounds with ergoline skeleton
    Patent number: 4064249
    Abstract: New compounds of the formula ##STR1## wherein R is hydrogen or methyl group,X y is a group of the formula ##STR2## and N IS AN INTEGER OF FROM 4 TO 10, ARE PREPARED BY ACYLATING THE APPROPRIATE LYSERGIC ACID-(3'-ALLYLOXY-2'-OXY-PROPYL)-AMIDE COMPOUNDS WITH CARBOXYLIC ACIDS OF 6 TO 12 CARBON ATOMS OR WITH THEIR REACTIVE DERIVATIVES. If desired, the new compounds can be converted into their pharmaceutically acceptable acid addition salts.The above compounds possess prolonged antidepressive activities.
    Type: Grant
    Filed: December 10, 1976
    Date of Patent: December 20, 1977
    Assignee: Richter Gedeon Vegyeszeti Gyar Rt.
    Inventors: Erzsebet Mago nee Karacsony, Jozsef Borsi, Endre Csanyi, Katalin Pik, Lajos Wolf
  • Compounds with ergoline skeleton
    Patent number: 4005089
    Abstract: New compounds of the general formula (I) ##STR1## wherein R stands for hydrogen or methyl group,x y stands for a group of the formula ##STR2## and R.sub.1 stands for a group of the formula (III), (IV) or (V) ##STR3## wherein n is an integer from 4 to 10, ARE PREPARED BY ACYLATING A COMPOUND OF THE GENERAL FORMULA (II), ##STR4## wherein R and x y each have the same meanings as defined above, and R.sub.2 stands for a group of the formula (VI), (VII) or (VIII), ##STR5## with a C.sub.6-12 carboxylic acid or a C.sub.6-12 carboxylic acid halide. The new compounds of the general formula (I) and their acid addition salts can be used as antidepressants and antiserotonine agents with prolonged effects.
    Type: Grant
    Filed: May 22, 1975
    Date of Patent: January 25, 1977
    Assignee: Richter Gedeon Vegyeszeti Gyar Rt.
    Inventors: Erzsebet Mago nee Karacsony, Jozsef Borsi, Endre Csanyi, Katalin Pik, Lajos Wolf
  • 1,6-Dibromo-1,6-dideoxy-dulcitol and pharmaceutical compositions containing same
    Patent number: 3993781
    Abstract: This invention is directed to the preparation of a cytostatic sugar derivative, 1,6-dibromo-1,6-dideoxy-dulcitol and of pharmaceutical compositions containing same.
    Type: Grant
    Filed: January 10, 1966
    Date of Patent: November 23, 1976
    Assignee: Chinoin Gyogyszer-es Vegyeszeti Termekek Gyara RT
    Inventors: Piroska Horvath nee Lengyel, Laszlo Institoris, Endre Csanyi, Laszlo Vargha