Patents Assigned to Rhone-Poulenc Rorer
  • Patent number: 5714512
    Abstract: This invention relates to compositions containing taxane derivatives, consisting of a solution of such derivatives in a surfactant. These compositions can be used to prepare perfusion solutions.
    Type: Grant
    Filed: December 7, 1995
    Date of Patent: February 3, 1998
    Assignee: Rhone-Poulenc Rorer, S.A.
    Inventors: Jean-Pierre Bastart, Thierry Dupechez, Jean-Louis Fabre
  • Patent number: 5714493
    Abstract: This invention relates to the treatment of intimation in a patient suffering from such disorder. More specifically, the invention relates to mono- and/or bicyclic aryl or heteroaryl quinazoline compounds in the treatment of inflammation.
    Type: Grant
    Filed: June 4, 1996
    Date of Patent: February 3, 1998
    Assignee: Rhone-Poulenc Rorer Pharmaceuticals, Inc.
    Inventors: Michael R. Myers, Alfred P. Spada, Martin P. Maguire, Paul E. Persons, Asher Zilberstein, Chin-Yi Jenny Hsu, Susan E. Johnson
  • Patent number: 5714377
    Abstract: This invention relates to improved fungal cells and methods for producing recombinant products of improved quality and in high yields. More specifically, the present invention relates to fungal cells carrying specific modifications within their DNA sequences which cause them to exhibit at least a reduced capacity for O-glycosylating homologous and/or heterologous proteins, and the use of these cells as host cells to produce high yields of recombinant products.
    Type: Grant
    Filed: April 18, 1995
    Date of Patent: February 3, 1998
    Assignee: Rhone-Poulenc Rorer S.A.
    Inventors: Widmar Tanner, Sabine Strahl-Bolsinger, Reinhard Fleer, Alain Fournier
  • Patent number: 5710158
    Abstract: This invention relates to the modulation and/or inhibition of cell signaling, cell proliferation, cell inflammatory response, the control of abnormal cell growth and cell reproduction. More specifically, this invention relates to the use of mono- and/or bicyclic aryl or heteroaryl quinazoline compounds in inhibiting cell proliferation, including compounds which are useful protein tyrosine kinase (PTK) inhibitors. The method of treating cell proliferation using said quinazoline compounds and their use in pharmaceutical compositions is described.
    Type: Grant
    Filed: April 19, 1994
    Date of Patent: January 20, 1998
    Assignee: Rhone-Poulenc Rorer Pharmaceuticals Inc.
    Inventors: Michael R. Myers, Alfred P. Spada, Martin P. Maguire, Paul E. Persons
  • Patent number: 5710254
    Abstract: A method of improving the therapeutic activity of von Willebrand Factor obtained from materials comprising on Willebrand Factor comprising incubating said Factor at a temperature of about 20.degree. C. to about 55.degree. C. for about 1 to about 30 hours, most preferably at from about 45.degree. C. to about 55.degree. C. for about 1 to about 5 hours.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: January 20, 1998
    Assignee: Rhone-Poulenc Rorer Pharmaceuticals Inc.
    Inventors: Jack Newman, David Farb
  • Patent number: 5707991
    Abstract: The present invention relates to derivatives of formula: ##STR1## to their salts, to their preparation and to the medicaments containing them.
    Type: Grant
    Filed: June 28, 1995
    Date of Patent: January 13, 1998
    Assignee: Rhone-Poulenc Rorer S.A.
    Inventors: Marc Capet, Marie-Christine Dubroeucq, Franco Manfre
  • Patent number: 5707973
    Abstract: The invention relates to new mixtures of sulfated oligosaccharides having the general structure of heparin constitutive oligosaccharides, having an average molecular mass of 6.+-.0.6 kD, a polydispersiveness close to 1 and the capacity of inhibiting the production of thrombin. The invention also relates to their preparation and to pharmaceutical compositions containing them.
    Type: Grant
    Filed: December 9, 1994
    Date of Patent: January 13, 1998
    Assignee: Rhone-Poulenc Rorer S.A.
    Inventors: Jean-Pierre Baron, Andre Brun, Hendrik Hemker, Andre Uzan
  • Patent number: 5698711
    Abstract: This invention is directed to the pharmaceutical use of phenyl compounds, which are linked to an aryl moiety by various linkages, for inhibiting tumor necrosis factor. The invention is also directed to the compounds, their preparation and pharmaceutical compositions containing these compounds. Furthermore, this invention is directed to the pharmaceutical use of the compounds for inhibiting cyclic AMP phosphodiesterase.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: December 16, 1997
    Assignee: Rhone-Poulenc Rorer Limited
    Inventor: Malcolm Norman Palfreyman
  • Patent number: 5698582
    Abstract: This invention relates to compositions containing taxane derivatives, consisting of a solution of such derivatives in a surfactant. These compositions can be used to prepare perfusion solutions.
    Type: Grant
    Filed: March 3, 1995
    Date of Patent: December 16, 1997
    Assignee: Rhone-Poulenc Rorer S.A.
    Inventors: Jean-Pierre Bastart, Thierry Dupechez, Jean-Louis Fabre
  • Patent number: 5696095
    Abstract: New formulations of spiramycin suitable for oral administration, particularly for children, comprise spiramycin and potassium acesulfame. These formulations mask the bitterness of spiramycin without adversely affecting the bioavailability or stability of the spiramycin. Preparation by wet granulation followed by dry state mixing is also disclosed.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: December 9, 1997
    Assignee: Rhone-Poulenc Rorer S.A.
    Inventors: Francois-Xavier Piot, Robert Rona
  • Patent number: 5691163
    Abstract: Cells with an alteration at least in the gene involved in betaine catabolism, their preparation and their use, in particular for producing metabolites and/or enzymes, are disclosed.
    Type: Grant
    Filed: May 18, 1995
    Date of Patent: November 25, 1997
    Assignee: Rhone-Poulenc Rorer SA
    Inventors: Beatrice Cameron, Joel Crouzet
  • Patent number: 5688956
    Abstract: The present invention relates to a process for the preparation of (1R,2R)-N-methyl -2-(3-pyridyl)tetrahydrothiopyran-2-carbothioamide 1-oxide of formula: ##STR1## which is particularly useful as an antihypertensive and as a cardioprotective agent.
    Type: Grant
    Filed: August 15, 1995
    Date of Patent: November 18, 1997
    Assignee: Rhone-Poulenc Rorer S.A.
    Inventor: Marie-Therese David-Comte
  • Patent number: 5688954
    Abstract: A process is described for the preparation of a compound of formula (IX) from 4-hydroxybutyl 3-pyridyl ketone. The compound of formula (IX) is an intermediate useful in the preparation of (1R,2R)-2-(3-pyridyl)-N-alkyl-tetrahydro-2H-thiopyran-2-carbothioamide 1-oxides which possess useful pharmaceutical properties, for example anti-hypertensive properties.
    Type: Grant
    Filed: April 24, 1996
    Date of Patent: November 18, 1997
    Assignee: Rhone-Poulenc Rorer Limited
    Inventors: Philippe Pitchen, Matthew Powers, Patrick Leon, Dominique Petre
  • Patent number: 5686622
    Abstract: Thiazolidine derivatives of formula (I), in which R.sub.1, R.sub.2, R.sub.3, R.sub.4 and R.sub.5 are as defined in the specification. The invention also concerns the salts of these derivatives, the preparation thereof and drugs containing same.
    Type: Grant
    Filed: December 19, 1996
    Date of Patent: November 11, 1997
    Assignee: Rhone-Poulenc Rorer S.A.
    Inventors: Marc Capet, Marie-Christine Dubroeucq, Claude Guyon, Franco Manfre
  • Patent number: 5686475
    Abstract: A method for the treatment of mitochondrial diseases, including Kearns-Sayre syndrome, MERRF syndrome, MELAS syndrome and Leber's disease, is carried out by administering to a patient in need of treatment an effective amount of riluzole or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: July 11, 1996
    Date of Patent: November 11, 1997
    Assignee: Rhone-Poulenc Rorer S.A.
    Inventors: Jean-Christophe Delumeau, Michel Martinet, Michel Reibaud, Jean-Marie Stutzmann
  • Patent number: 5686623
    Abstract: A method for preparing taxane derivatives of general formula (I) by esterifying protected baccatin III or protected 10-deacetyl baccatin III with an acid of general formula (II). In general formulae (I) and (II), Ar is an aryl radical; R.sub.1 and R.sub.2 which are the same or different, are a hydrogen atom, an alkyl, phenylalkyl, phenyl, alkoxyphenyl or dialkoxyphenyl radical, or R.sub.1 or R.sub.2, together with the carbon atom to which they are attached, form a 4-7 membered ring; R.sub.3 is an acetyl radical or a hydroxy function protective grouping, and R.sub.4 is a hydroxy function protective grouping; R is a phenyl radical or a radical of formula R.sub.5 --O-- wherein R.sub.5 -- is an alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkenyl, phenyl or saturated or unsaturated nitrogenous heterocylcyl radical. The products of general formula (I) are particularly useful for preparing taxol, Taxotere and analogues thereof having remarkable antitumor properties.
    Type: Grant
    Filed: April 28, 1995
    Date of Patent: November 11, 1997
    Assignee: Rhone-Poulenc Rorer, S.A.
    Inventors: Jean-Noel Denis, Andrew-Elliot Greene, Alice Kanazawa
  • Patent number: 5684168
    Abstract: .beta.-phenylisiserine-(2R,3S), salts and preparation thereof through the action of ammonia on .beta.-phenylglycidic-(2R,3R) acid and its use in the preparation of taxane derivatives of general formula: ##STR1## wherein R is hydrogen or --COCH.sub.3 ;and R.sub.1 is phenyl or --O--C(CH.sub.3).sub.3.
    Type: Grant
    Filed: April 10, 1995
    Date of Patent: November 4, 1997
    Assignee: Rhone-Poulenc Rorer S.A.
    Inventors: Jean-Pierre Duchesne, Max Ferraro
  • Patent number: 5683723
    Abstract: The invention discloses nanoparticles offering an extended time before capture by the reticulo-endothelial system. Said particles are composed of an ethylene and/or propylene polyoxide polylactic copolymer optionally mixed with a polylactic polymer.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: November 4, 1997
    Assignee: Rhone-Poulenc Rorer S.A.
    Inventors: Gilles Spenlehauer, Didier Bazile, Michel Veillard, Christian Prud'Homme, Jean-Paul Michalon
  • Patent number: 5684159
    Abstract: A method according to the invention is directed to the preparation of a 2-azadihydroxybicyclo?2.2.1!heptane compound of formula ##STR1## wherein * represents an R chirality, *' represents an S chirality, R is hydrogen or, respectively, a group of formula ##STR2## wherein R.sub.1 is alkyl and Ar is optionally substituted aryl, comprising bishydroxylating a bicyclo?2.2.1!heptene compound of formula ##STR3## wherein *, *' and R are as previously defined, in the presence of about 0.1 mol to about 5 mol % of a metal osmate compound or about 0.06 mol % to about 0.07 mol % osmium tetroxide, and an oxidizing agent capable of regenerating osmium tetroxide.The invention is also directed to the treatment of the (1R) diastereomer of the 2-azadihydroxybicyclo?2.2.1!heptane compound (I) wherein R is a group of formula II with L-tartaric acid, and the L-tartaric acid salt product thereof. Furthermore, the invention is directed to using the (1R) diastereomer of the 2-azadihydroxybicyclo?2.2.
    Type: Grant
    Filed: October 16, 1996
    Date of Patent: November 4, 1997
    Assignee: Rhone-Poulenc Rorer S.A.
    Inventors: Michael O'Brien, Patrick Leon, Denis Largeau, Matthew Powers, Thierry Durand
  • Patent number: 5681970
    Abstract: Method for the preparation of .beta.-phenylisoserine derivatives of general formula (I) involving the action of an anhydride and hydrogen with a product of general formula (II). The products of general formula (I) are especially useful in the preparation of taxoids having outstanding antitumour properties. In general formulae (I) and (II), Ar is an aryl radical, Ph is a phenyl radical or an optionally substituted .alpha. or .beta.-naphtyl, R is a hydrogen atom or an alkyl radical optionally substituted by a phenyl radical and R.sub.1 is an optionally substituted phenyl radical or a R.sub.2 --O radical wherein R.sub.2 is an alkyl, alkenyl, cycloalkyl, phenyl or heterocyclyl.
    Type: Grant
    Filed: September 28, 1995
    Date of Patent: October 28, 1997
    Assignee: Rhone-Poulenc Rorer S.A.
    Inventors: Eric Didier, Patrick Leon