Patents by Inventor Pierre Potier

Pierre Potier 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: 5189055
    Abstract: The present invention relates to phenylpyrrole compounds, pharmaceutical compositions, preparation and to their application as an active principle, especially as a drug having antimitotic activity.
    Type: Grant
    Filed: April 1, 1991
    Date of Patent: February 23, 1993
    Assignee: Centre National de la Recherche Scientifique (CNRS)
    Inventors: Claude Thal, Olivier Boye, Daniel Guenard, Pierre Potier
  • Patent number: 5159080
    Abstract: Compounds of the formula ##STR1## wherein R.sub.1 to R.sub.8, which may be identical to or different from each other, have diverse meanings, and the dotted line between the carbon atoms in the 4- and 4a- position or the 4a- and 5-position or the 42- and 12a position may be a single or double bond, or pharmaceutically acceptable salts thereof, as well as a process for the preparation of these compounds, and pharmaceutical compositions containing these compounds. The compounds and their salts are useful for the treatment of heart-circulation disorders.
    Type: Grant
    Filed: December 18, 1990
    Date of Patent: October 27, 1992
    Assignee: Madaus AG
    Inventors: Klaus Goler, Wolf Grimminger, Karl P. Odenthal, Pierre Potier
  • Patent number: 4924012
    Abstract: Process for preparing derivatives of baccatine III and of 10-deacetylbaccatine III, of general formula (I), in which R is hydrogen or acetyl, by condensation of an acid of general formula (II) with a derivative of baccatine III or of 10-deacetylbaccatine III of general formula (III), R.sub.1, R.sub.2 and R.sub.3 denoting hydroxy-protecting groups, followed by the replacement of the protecting groups by hydrogen.
    Type: Grant
    Filed: April 3, 1989
    Date of Patent: May 8, 1990
    Assignee: Rhone-Poulenc Sante
    Inventors: Michel Colin, Daniel Guenard, Francoise Gueritte-Voegelein, Pierre Potier
  • Patent number: 4879298
    Abstract: A novel method of relieving pain in warm-blooded animals, including humans, comprising administering to warm-blooded animals an analgesically effective amount of a central analgesic and forskoline simultaneously, separately or at different times and novel analgesic compositions.
    Type: Grant
    Filed: April 12, 1988
    Date of Patent: November 7, 1989
    Assignee: Roussel Uclaf
    Inventors: Francoise Delevallee, Pierre Potier
  • Patent number: 4868307
    Abstract: Derivatives of bicyclic aminocarboxylic acids, a process and intermediates for their preparation, and their use.The invention relates to compounds of the formula ##STR1## in which n is 1-3, R denotes acyl and R.sup.1 denotes an esterifying group or another carboxyl-protecting group, a process and intermediates for their preparation, and their use.
    Type: Grant
    Filed: December 2, 1987
    Date of Patent: September 19, 1989
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Derek Barton, Pierre Potier, Yolande Herve, Josiane Thierry
  • Patent number: 4857653
    Abstract: Taxol and 10-deacetyltaxol are prepared from a compound of formula: ##STR1## in which R' represents acetyl or 2,2,2-trichloroethoxycarbonyl radical, by removal of the t-butoxycarbonyl radical, benzoylation of the amine product obtained, and removal of the 2,2,2-trichloroethoxycarbonyl group(s).
    Type: Grant
    Filed: July 14, 1987
    Date of Patent: August 15, 1989
    Assignee: Rhone-Poulenc Sante
    Inventors: Michel Colin, Daniel Guenard, Francoise Gueritte-Voegelein, Pierre Potier
  • Patent number: 4814470
    Abstract: Taxol derivatives of formula ##STR1## in which R represents hydrogen or acetyl, one of R.sub.1 or R.sub.2 represents hydroxy and the other represents tert-butoxycarbonylamino and their isomers are useful antitumor agents.
    Type: Grant
    Filed: July 14, 1987
    Date of Patent: March 21, 1989
    Assignee: Rhone-Poulenc Sante
    Inventors: Michel Colin, Daniel Guenard, Francoise Gueritte-Voegelein, Pierre Potier
  • Patent number: 4801602
    Abstract: The substance of formula: ##STR1## called girolline, which is new, can be extracted from the Pseudaxinyssa cantharella sponge. It has remarkable antitumour properties.
    Type: Grant
    Filed: September 24, 1987
    Date of Patent: January 31, 1989
    Assignee: Rhone-Poulenc Sante
    Inventors: Alain Ahond, Pierre Laboute, Dominique Laurent, Pierre Potier, Christiane Poupat, Jacques Pusset, Michele Pusset, Odile Thoison
  • Patent number: 4769453
    Abstract: The present invention relates to a process for the preparation of bis-indolic compounds, and the bis-indolic compounds produced by the process.
    Type: Grant
    Filed: June 18, 1981
    Date of Patent: September 6, 1988
    Assignee: Agence Nationale de Valorisation de la Recherche
    Inventors: Pierre Potier, Nicole Langlois, Yves Langlois, Francoise Gueritte
  • Patent number: 4737586
    Abstract: The present invention relates to a process for the preparation of bis-indolic compounds, and the bis-indolic compounds produced by the process.
    Type: Grant
    Filed: April 29, 1986
    Date of Patent: April 12, 1988
    Assignee: Agence Nationale de Valorisation de la Recherche
    Inventors: Pierre Potier, Nicole Langlois, Yves Langlois, Francoise Gueritte
  • Patent number: 4347249
    Abstract: The invention relates to new chemical compounds.They are compounds corresponding to formula Ia. ##STR1## in which: R'.sub.3 represents a hydrogen atom or a hydroxy radical; R'.sub.5 represents a hydrogen atom or a hydroxy radical; or R'.sub.3 and R'.sub.5 together represent an epoxy bridge or a double bond; R".sub.5 represents a hydrogen atom or an ethyl radical; R'.sub.7 and R'.sub.8 are the same or different and represent a hydrogen atom or a methyl, hydroxymethylene, alkoxymethylene, aryloxymethylene, aminomethylene, monoalkyl or dialkyl aminomethylene, acylmethylene, arylaminomethylene, hydroxyethyl aminomethylene, alkylthiomethylene, aryloxythiomethylene or cyanomethylene radical; R.sub.1 represents a hydrogen atom or an alkyl, formyl or acyl radical: R.sub.2 represents a hydrogen atom or an alkoxy radical; R.sub.7 represents an alkanoyloxy radical, the broken line representing an optional double bond.These compounds can be used as drugs.
    Type: Grant
    Filed: July 9, 1980
    Date of Patent: August 31, 1982
    Assignee: Agence Nationale de Valorisation de la Recherche (ANVAR)
    Inventors: Pierre Potier, Nicole Langlois, Yves Langlois, Ratremaniaina Z. Andriamialisoa, Pierre Mangeney
  • Patent number: 4322350
    Abstract: A process for the preparation of a compound of formula (V) and salts thereof ##STR1## wherein R.sub.1 is selected from the group consisting of a hydrogen atom, an alkyl radical, a formyl radical and an acyl radical;R.sub.2 is selected from the group consisting of an alkoxycarbonyl radical, a hydrazide radical, an acetamido radical, a hydroxymethyl radical, and an alkanoyloxy methyl radicalandR.sub.3 and R.sub.4 are the same or different and each is selected from the group consisting of a hydrogen atom, a hydroxyl radical and an alkanoyloxyl radical;which comprises the step of treating a compound of formula IV ##STR2## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are as previously defined with at least one oxidising agent selected from the group consisting of oxidising metal salts, air and oxygen.The above compounds are useful due to their antitumoral activity, and to their use as intermediates of other antitumor drugs.
    Type: Grant
    Filed: April 11, 1978
    Date of Patent: March 30, 1982
    Assignee: Agence Nationale de Valorisation de la Recherche
    Inventors: Nicole Langlois, Yves Langlois, Pierre Potier
  • Patent number: 4305875
    Abstract: The invention provides a process for the preparation of leurosidine or vinblastine, which comprises hydroxylating and reducing .DELTA..sup.
    Type: Grant
    Filed: December 5, 1979
    Date of Patent: December 15, 1981
    Assignee: Agence Nationale de Valorisation de la Recherche (ANVAR)
    Inventors: Pierre Potier, Pierre Mangeney, Nicole Langlois, Yves Langlois
  • Patent number: 4203754
    Abstract: An improved glass bending device is disclosed for bending and conveying glass sheets. The glass bending device includes a rod having a curved portion, a rotary tubular member engaged about the rod, and a plurality of rings disposed between the rod and the tubular member. In the improvement, the rotary tubular member has internal threading, a plurality of annular support means having external threading are disposed along spaced locations within the tubular member in mating relation with the internal threading thereof, and each of the rings are affixed within one of the annular support means.
    Type: Grant
    Filed: March 13, 1978
    Date of Patent: May 20, 1980
    Assignee: Saint-Gobain Industries
    Inventor: M. Pierre Potier
  • Patent number: 4138489
    Abstract: Pentacyclic derivatives of the general formula ##STR1## wherein R, R.sub.1, R.sub.2 and R.sub.3 are defined hereinbelow are useful as cerebral protectors and vasodilators.
    Type: Grant
    Filed: June 25, 1976
    Date of Patent: February 6, 1979
    Assignee: Agence Nationale de Valorisation de la Recherche (ANVAR)
    Inventors: Claude Thal, Richard Besselievre, Henri P. Husson, Pierre Potier
  • Patent number: 4033969
    Abstract: New compounds having the formula ##STR1## in which Y represents a hydrogen atom, in which case Z.sub.1 and Z.sub.2 represent simultaneously an oxygen atom, or Z.sub.1 represents a methoxycarbonyl radical and Z.sub.2 a hydroxy radical, or Y and Z.sub.2 form together a carbon-carbon bond and Z.sub.1 is a methoxycarbonyl radical, said compounds being additionally characterized by a cis-fusion of the D/E rings. Said new compounds and vincamine and certain of its derivatives are prepared from an enamine having the formula : ##STR2## in which R is H or C.sub.2 H.sub.5.
    Type: Grant
    Filed: September 29, 1975
    Date of Patent: July 5, 1977
    Assignee: Agence Nationale de Valorisation de la Recherche (ANVAR)
    Inventors: Thierry Sevenet, Claude Thal, Pierre Potier, Henri Philippe Husson
  • Patent number: 3937709
    Abstract: New compounds having the formula ##SPC1##In which Y represents a hydrogen atom, in which case Z.sub.1 and Z.sub.2 represent simultaneously an oxygen atom, or Z.sub.1 represents a methoxycarbonyl radical and Z.sub.2 a hydroxy radical, or Y and Z.sub.2 form together a carbon-carbon bond and Z.sub.1 is a methoxycarbonyl radical, said compounds being additionally characterized by a cis-fusion of the D/E rings. Said new compounds and vincamine and certain of its derivatives are prepared from an enamine having the formula: ##SPC2##In which R is H or C.sub.2 H.sub.5.
    Type: Grant
    Filed: June 15, 1973
    Date of Patent: February 10, 1976
    Assignee: Agence Nationale de Valorisation de la Recherche (ANVAR)
    Inventors: Thierry Sevenet, Claude Thal, Henri Philippe Husson, Pierre Potier