Patents Assigned to Laboratoire L. Lafon
  • Patent number: 7033606
    Abstract: The invention concerns a pharmaceutical composition designed to adhere to a mucous membrane for preventing or treating radiotherapy-related and chemotherapy-related mucositis, induced by radiotherapy or combined radiochemotherapy, comprising an effective amount of an antiradical compound mixed with a vehicle, which is liquid at room temperature and gels at the mucous membrane temperature and capable of adhering to the mucous membrane by its gelled status.
    Type: Grant
    Filed: July 19, 1999
    Date of Patent: April 25, 2006
    Assignee: Laboratoire L. Lafon
    Inventors: Jérôme Besse, Tam Nguyen, Joëlle Leyder
  • Patent number: 6809096
    Abstract: A pharmaceutical composition including an efficient amount of a compound selected among the compounds of formulae (I) and (Ia). The compounds have interesting cytotoxic properties leading to a therapeutic use as antitumoral medicines.
    Type: Grant
    Filed: February 13, 2002
    Date of Patent: October 26, 2004
    Assignee: Laboratoire L. Lafon
    Inventors: Evelyne Delfourne, Francis Darro, Jean Bastide, Robert Kiss, Armand Frydman
  • Patent number: 6645983
    Abstract: A non-cytotoxic pharmaceutical composition acting on the proliferation of clonogenic cells in malignant tumors and including an efficient amount of a compound selected among the compounds of formula (I) and (Ia).
    Type: Grant
    Filed: February 13, 2002
    Date of Patent: November 11, 2003
    Assignee: Laboratoire L. Lafon
    Inventors: Benoît Joseph, Francis Darro, Gérald Guillaumet, Robert Kiss, Armand Frydman
  • Patent number: 6593342
    Abstract: The invention concerns a pharmaceutical composition having an activity on the proliferation of clonogenic cells in tumours and comprising an efficient amount of a compound selected among the compounds of formulae (I) and (Ia) wherein: X, R1, R2, R3, R4, R5, R6 are as defined in claim 1.
    Type: Grant
    Filed: January 16, 2001
    Date of Patent: July 15, 2003
    Assignee: Laboratoire L. Lafon
    Inventors: Benoît Joseph, Francis Darro, Gérald Guillaumet, Robert Kiss, Armand Frydman
  • Patent number: 6562788
    Abstract: A peptide having the following amino acid sequence:     Thr-X1-Leu-Asp-Ile-X2-X3-Asp-Leu-X4-Glu-X5-                      5               10 Arg-Leu-Lys-Tyr-Tyr-X6-X7-Arg-Lys-Glu-Phe-Leu-X8-          15               20                  25 X9-X10-Leu-Gly (SEQ ID NO: 1) wherein X1=Gln or Glu; X2=Leu or Lys; X3=Arg or Lys; X4=Phe or Tyr; X5=Leu or Lys; X6=Gly or Glu; X7=Leu or Glu; X8=Leu or Glu; X9=Gln or Lys; X10=Met or Nle; and its pharmaceutically acceptable protected deri
    Type: Grant
    Filed: June 12, 2001
    Date of Patent: May 13, 2003
    Assignee: Laboratoire L. Lafon
    Inventors: Serge Fermandjian, Valérie Frere-Gallois, Frédéric Troalen
  • Patent number: 6538039
    Abstract: The present invention relates to a process for administering an active principle to a patient transdermally, which comprises the formation of a film on the patient's skin, by applying to the skin a liquid solution which consists essentially of: a) a lipophilic active principle, b) from 2.5 to 25% by weight of a silicone-based adhesive polymer composition, c) from 0 to 25% by weight of an absorption promoter, and d) from 25 to 95% by weight of volatile solvents comprising volatile silicones.
    Type: Grant
    Filed: October 31, 1996
    Date of Patent: March 25, 2003
    Assignee: Laboratoire L. Lafon
    Inventor: Philippe Laurent
  • Patent number: 6515127
    Abstract: The invention concerns a method for preparing quinoline-5,8-diones of formula (I) wherein R1, R2 and R3 are as defined in claim 1, by light-induced oxygenation of a 8-hydroxyquinoline.
    Type: Grant
    Filed: February 12, 2002
    Date of Patent: February 4, 2003
    Assignee: Laboratoire L. Lafon
    Inventors: Janine Cossy, Damien Belotti
  • Patent number: 6344456
    Abstract: The invention concerns compounds of formula (I) wherein R1, R2, R3, R4 and R5 are as defined herein. Said compounds are useful in therapy as antithrombotic agents.
    Type: Grant
    Filed: January 10, 2001
    Date of Patent: February 5, 2002
    Assignee: Laboratoire L. Lafon
    Inventors: Christophe Yue, Marguerite Henry, Thierry Giboulot, Brigitte Lesur
  • Patent number: 6335337
    Abstract: Novel compounds which are inhibitors of the binding of fibrinogen to the Gp iib/iiia platelet receptors, and which can be used therapeutically as antithrombotic agents.
    Type: Grant
    Filed: January 9, 2001
    Date of Patent: January 1, 2002
    Assignee: Laboratoire L. Lafon
    Inventors: Christophe Yue, Marguerite Henry, Thierry Giboulot, Brigitte Lesur
  • Patent number: 6333338
    Abstract: Novel compounds which are inhibitors of the binding of fibrinogen to the Gp IIb/IIIa platelet receptors, and which can be used therepeutically as antithrombotic agents
    Type: Grant
    Filed: January 17, 2001
    Date of Patent: December 25, 2001
    Assignee: Laboratoire L. Lafon
    Inventors: Christophe Yue, Marguerite Henry, Thierry Giboulot, Brigitte Lesur
  • Patent number: 6268397
    Abstract: The invention relates to the use of a compound selected from: [&agr;-(tert-butylaminomethyl)-3,4-dichlorobenzyl]thioacetamide and its laevorotatory isomer, [&agr;-(tert-amylaminomethyl)-3,4-dichlorobenzyl]thioacetamide and its isomers, [&agr;-(1-adamantylaminomethyl)3,4-dichlorobenzyl]thioacetamide and its isomers, as well as the addition salts of these compounds with pharmaceutically acceptable acids, for inhibiting dopamine reuptake.
    Type: Grant
    Filed: May 1, 1998
    Date of Patent: July 31, 2001
    Assignee: Laboratoire. L. Lafon
    Inventor: Philippe Laurent
  • Patent number: 6166035
    Abstract: Novel 1,4-DHP of the following structures are described having better therapeutic activities in coronary diseases: ##STR1## wherein n and R1 are as defined in the specification.
    Type: Grant
    Filed: July 8, 1999
    Date of Patent: December 26, 2000
    Assignee: Laboratoire L. Lafon
    Inventors: Gerard Duret, Gerard Glauert, Marguerite Henry
  • Patent number: 5843347
    Abstract: The present invention relates to a process for the preparation of particles each comprising an excipient forming a matrix and at least one active ingredient uniformly distributed in the mass of said matrix, said process, which comprises the operations of extrusion and then lyophilization, being characterized in that it comprises the steps consisting of(1.) the preparation of a homogeneous mixture from(a) at least one active ingredient,(b) a physiologically acceptable hydrophilic excipient, and(c) waterto give a pasty mixture with a viscosity below 1 Pa.s, measured at room temperature (15.degree.-20.degree. C.);(2.) the extrusion of the resulting homogeneous mixture and the cutting of the extrudate to give moist particles;(3.) the freezing of the resulting particles as they fall under gravity through a stream of inert gas at a temperature below 0.degree. C.; and(4.) the freeze drying of said particles.
    Type: Grant
    Filed: August 4, 1997
    Date of Patent: December 1, 1998
    Assignee: Laboratoire L. Lafon
    Inventors: Thanh-Tam Nguyen, Joelle Jacquot-Leyder
  • Patent number: 5795915
    Abstract: The invention relates to the use of a compound selected from:?.alpha.-(tert-butylaminomethyl)-3,4-dichlorobenzyl!thioacetamide and its laevorotatory isomer,?.alpha.-(tert-amylaminomethyl)-3,4-dichlorobenzyl!thioacetamide and its isomers,?.alpha.-(1-adamantylaminomethyl)3,4-dichlorobenzyl!thioacetamide and its isomers,as well as the addition salts of these compounds with pharmaceutically acceptable acids, for inhibiting dopamine reuptake.
    Type: Grant
    Filed: May 17, 1996
    Date of Patent: August 18, 1998
    Assignee: Laboratoire L. Lafon
    Inventor: Philippe Laurent
  • Patent number: 5719168
    Abstract: The present invention relates to compounds of formula (I) wherein R.sub.1 is selected from H and 3-chloro; R.sub.2 is selected from a phenyl group and a pyridyl group; R.sub.3 and R.sub.4 are selected independently of each other from H and methyl; R.sub.5 and R.sub.6 are selected independently of each other from H and a pyridyl-methyl group or both represent an ethyl group; n=0 or 1; R.sub.1, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 are not simultaneously H when R.sub.2 is phenyl. The salts of the compounds have a pyridyl group with pharmaceutical acceptable acids are also disclosed.
    Type: Grant
    Filed: April 22, 1996
    Date of Patent: February 17, 1998
    Assignee: Laboratoire L. Lafon
    Inventor: Philippe Laurent
  • Patent number: 5633383
    Abstract: The invention relates to a process which comprises the crystallization of a calcium salt of chiral (R or S) lactic acid esterified with a racemic dihydropyridine.
    Type: Grant
    Filed: April 27, 1995
    Date of Patent: May 27, 1997
    Assignee: Laboratoire L. Lafon
    Inventor: Philippe Laurent
  • Patent number: 5621011
    Abstract: The invention relates to [.alpha.-(tert.butyl aminomethyl)-3,4-dichlorobenzyl] thioacetamide of the formula: ##STR1## and its addition salts with pharmaceutically acceptable acids. These compounds can be used as antidepressants as well as to promote the feed intake.
    Type: Grant
    Filed: June 29, 1995
    Date of Patent: April 15, 1997
    Assignee: Laboratoire L. Lafon
    Inventor: Louis L. Lafon
  • Patent number: 5612379
    Abstract: The present invention relates to the utilization of modafinil for the treatment of ventilation disorders of central origin such as sleep apnea.
    Type: Grant
    Filed: April 30, 1996
    Date of Patent: March 18, 1997
    Assignee: Laboratoire L. Lafon
    Inventor: Philippe Laurent
  • Patent number: 5446060
    Abstract: The present invention relates to compounds of formula: ##STR1## in which A is selected from pyrrolidino, piperidino, morpholino, 1-imidazolyl, hexamethylenimino and 1-piperazinyl groups, these groups being unsubstituted or it being possible for them to contain 1 or 2 substituents selected from C.sub.1 -C.sub.3 alkyl and C.sub.1 -C.sub.3 hydroxyalkyl groups, and the addition salts of these compounds with pharmaceutically acceptable acids.These compounds are usable in therapy as peripheral vasodilators.
    Type: Grant
    Filed: January 21, 1994
    Date of Patent: August 29, 1995
    Assignee: Laboratoire L. Lafon
    Inventor: Louis Lafon
  • Patent number: 5439920
    Abstract: The invention relates to a compound of formula: ##STR1## and its addition salts with pharmaceutically acceptable acids. These compounds are useful in therapy as sedatives.
    Type: Grant
    Filed: March 22, 1994
    Date of Patent: August 8, 1995
    Assignee: Laboratoire L. Lafon
    Inventor: Philippe Laurent