Patents by Inventor Andre Esanu

Andre Esanu 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).

  • Patent number: 4492701
    Abstract: This invention relates to the 2-isopropylamino-pyrimidine-N-oxide of the formula: ##STR1## to a preparation process of the same consisting in submitting at 15.degree. to 45.degree. C., 2-isopropylamino pyrimidine to a smooth oxidation by stoichiometric proportions or a slight excess of up to 10% of an appropriate oxidizing agent and to a therapeutic composition of matter comprising said compound as an active ingredient therein.
    Type: Grant
    Filed: September 29, 1982
    Date of Patent: January 8, 1985
    Assignee: Societe de Conseils de Recherches et d'Applications Scientifiques
    Inventor: Andre Esanu
  • Patent number: 4383998
    Abstract: This invention relates to new 1,3-dihydro-6-methyl-7-hydroxy-furo-(3,4-c)-pyridine derivatives of the general formula ##STR1## wherein A< represents a group of the formula --(CH.sub.2).sub.n --, n being an integer of from 1 to 5, or a homocyclic or heterocyclic group, and R represents a hydrogen, chlorine or fluorine atom, a trifluoromethyl group, an alkyl group having from 1 to 5 carbon atoms, an alkoxy group having from 1 to 5 carbon atoms, a alkylthio group having from 1 to 5 carbon atoms, a dialkylaminoalkoxy group in which the alkyl groups each have from 1 to 5 carbon atoms and the alkoxy group has from 1 to 5 carbon atoms or a N-pyrolidinyl-alkoxy group in which the alkoxy group has from 1 to 5 carbon atoms to a process for the preparation of the same by refluxing .alpha..sup.
    Type: Grant
    Filed: January 8, 1982
    Date of Patent: May 17, 1983
    Assignee: Societe de Conseils de Recherches et D'Applications Scientifiques
    Inventor: Andre Esanu
  • Patent number: 4346100
    Abstract: This invention relates to a new phenoxy acetic acid derivative, to a method for its preparation and to therapeutic compositions containing it.
    Type: Grant
    Filed: April 17, 1978
    Date of Patent: August 24, 1982
    Assignee: Societe d'Etudes de Produits Chimiques
    Inventor: Andre Esanu
  • Patent number: 4297495
    Abstract: The invention provides a process for the preparation of 2-isopropylamino-pyrimidine, the process comprising reacting bis(isopropylguanidine)sulphate with 1,1,3,3-tetraethoxy-propane in stoichiometric proportions at 40.degree.-60.degree. C., in acidic aqueous solution.
    Type: Grant
    Filed: June 30, 1980
    Date of Patent: October 27, 1981
    Assignee: Societe d'Etudes de Produits Chimiques
    Inventor: Andre Esanu
  • Patent number: 4267181
    Abstract: The invention relates to new isopropylamino pyrimidine halogeno derivatives of the formula: ##STR1## in which X represents a fluorine, a chlorine or a bromine atom. These compounds, when X stands for chlorine or bromine, are prepared by reacting, at room temperature and in stoichiometric proportions, 2-isopropylamino pyrimidine on the appropriate N-halogeno succinimide, in the presence of acetic acid.
    Type: Grant
    Filed: April 28, 1980
    Date of Patent: May 12, 1981
    Assignee: Societe d'Etudes de Produits Chimiques
    Inventor: Andre Esanu
  • Patent number: 4256767
    Abstract: A new phenoxy alkylamide is disclosed. The compound has been found to have beneficial activity in the field of immuno-stimulation.
    Type: Grant
    Filed: June 19, 1979
    Date of Patent: March 17, 1981
    Assignee: Societe d'Etudes de Produits Chimiques
    Inventor: Andre Esanu
  • Patent number: 4254162
    Abstract: A therapeutic use for a phenoxy acetic acid is disclosed. The compound is effective as a choleretic agent and can be administered orally or intravenously.
    Type: Grant
    Filed: November 21, 1979
    Date of Patent: March 3, 1981
    Assignee: Societe d'Etudes de Produits Chimiques
    Inventor: Andre Esanu
  • Patent number: 4183926
    Abstract: New phenothiazine derivatives having pharmaceutical activity are disclosed. The compounds are of particular interest because of their neuroleptic activity. The compounds are suitably prepared by reacting an N-substituted phenothiazine with an O,O'-isopropylidenyl-2-methyl-3-hydroxy-4-hydroxymethyl-5-(N-piperazinylme thyl)-pyridine.
    Type: Grant
    Filed: November 17, 1977
    Date of Patent: January 15, 1980
    Assignee: Societe d'Etudes de Produits Chimiques
    Inventor: Andre Esanu
  • Patent number: 4176193
    Abstract: A method of treating hyperlipemia, hypertriglyceridemia and hypercholesterodemia is disclosed. The treatment comprises the administration in a pharmaceutically acceptable carrier of an effective amount of a p-halo-N-cyanoalkyl isobutyramide.
    Type: Grant
    Filed: November 17, 1978
    Date of Patent: November 27, 1979
    Assignee: Societe d'Etudes de Produits Chimiques
    Inventor: Andre Esanu
  • Patent number: 4137316
    Abstract: A new vincamine salt of therapeutic interest is disclosed. The salt is vincamine pyridoxal 5-phosphate and exhibits surprisingly greater activity than vincamine alone. A process for the preparation of the compound is also disclosed.
    Type: Grant
    Filed: May 9, 1977
    Date of Patent: January 30, 1979
    Assignee: Societe d'Etudes de Produits Chimiques
    Inventor: Andre Esanu
  • Patent number: 4131617
    Abstract: A process for the preparation of an isobutyramide is disclosed. A sodium phenolate is prepared by reacting sodium with a phenol in ethanol, an excess of toluene is added to the solution to form an ethanol/toluene azeotrope which azeotrope is then removed by distillation whereafter a N-cyanoalkyl .alpha.-bromo-isobutyramide is added, the mixture is refluxed for a period of 6-15 hours after which water is added to form a precipitate which is then removed from the reaction mixture.
    Type: Grant
    Filed: March 17, 1977
    Date of Patent: December 26, 1978
    Assignee: Societe d'Etudes de Produits Chimiques
    Inventor: Andre Esanu
  • Patent number: 4100287
    Abstract: A new pharmaceutical compound having analgesic activity is disclosed. The compound is N-2, 6-dichloro-phenyl-2-aminopyrimidine. A method of preparing the compound is also disclosed as is a therapeutic composition which includes the compound.
    Type: Grant
    Filed: August 30, 1977
    Date of Patent: July 11, 1978
    Assignee: Societe d'Etudes de Produits Chimiques
    Inventor: Andre Esanu
  • Patent number: 4073895
    Abstract: A therapeutic composition of matter presenting a favorable action in the field of nerve regeneration is disclosed. An effective amount of 2-isopropylamino pyrimidine orthophosphate is incorporated in an appropriate carrier. Also disclosed is a process of producing the orthophosphate of 2-isopropylamino pyrimidine.
    Type: Grant
    Filed: February 16, 1977
    Date of Patent: February 14, 1978
    Assignee: Societe d'Etudes de Produits Chimiques
    Inventor: Andre Esanu
  • Patent number: 3984414
    Abstract: Dichloro acetate of 2-isopropyl amino pyrimidine is an active ingredient in drug for the treatment of neuropathies.
    Type: Grant
    Filed: November 19, 1974
    Date of Patent: October 5, 1976
    Assignee: Societe d'Etudes de Produits Chimiques
    Inventor: Andre Esanu