Patents by Inventor Nigel Levens

Nigel Levens 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).

  • Publication number: 20150266814
    Abstract: The invention relates to methods, compounds, and compositions for delivering 1,3-propanedisulfonic acid (1,3PDS) in a subject, preferably a human subject. The invention encompasses compounds that will yield or generate 1,3PDS, either in vitro or in vivo. The invention also relates to sulfonate ester prodrugs of 1,3PDS as well as Gemini dimmers and oligomers of 1,3PDS for the prevention or treatment of associated diseases and conditions.
    Type: Application
    Filed: May 8, 2015
    Publication date: September 24, 2015
    Inventors: Xianqi Kong, Nigel Levens, Abderrahim Bouzide, Stephane Ciblat, Richard Frenette, Johanne Renaud
  • Patent number: 9051248
    Abstract: The invention relates to methods, compounds, and compositions for delivering 1,3-propanedisulfonic acid (1,3PDS) in a subject, preferably a human subject. The invention encompasses compounds that will yield or generate 1,3PDS, either in vitro or in vivo. The invention also relates to sulfonate ester prodrugs of 1,3PDS as well as Gemini dimmers and oligomers of 1,3PDS for the prevention or treatment of associated diseases and conditions.
    Type: Grant
    Filed: August 6, 2010
    Date of Patent: June 9, 2015
    Assignee: BHI Limited Partnership
    Inventors: Xianqi Kong, Nigel Levens, Abderrahim Bouzide, Stephane Ciblat, Richard Frenette, Johanne Renaud
  • Publication number: 20140171507
    Abstract: The invention relates to compounds, to compositions comprising the same and uses thereof for the prevention or treatment of pain, e.g neuropathic pain while having neutral or beneficial effect on metabolic parameters.
    Type: Application
    Filed: September 6, 2013
    Publication date: June 19, 2014
    Inventors: Xianqi KONG, Nigel LEVENS, Serge LAMOTHE, Mohammed ATFANI, Stephane CIBLAT, Lucie JETTE
  • Publication number: 20120208876
    Abstract: The invention relates to compounds, to compositions comprising the same and uses thereof for the prevention or treatment of pain, e.g neuropathic pain while having neutral or beneficial effect on metabolic parameters.
    Type: Application
    Filed: November 4, 2011
    Publication date: August 16, 2012
    Inventors: Xianqi KONG, Nigel LEVENS, Serge LAMOTHE, Mohamed ATFANI, Stephane CIBLAT, Lucie JETTE
  • Publication number: 20120208850
    Abstract: The invention relates to methods, compounds, and compositions for delivering 1,3-propanedisulfonic acid (1,3PDS) in a subject, preferably a human subject. The invention encompasses compounds that will yield or generate 1,3PDS, either in vitro or in vivo. The invention also relates to sulfonate ester prodrugs of 1,3PDS as well as Gemini dimmers and oligomers of 1,3PDS for the prevention or treatment of associated diseases and conditions.
    Type: Application
    Filed: August 6, 2010
    Publication date: August 16, 2012
    Applicant: BELLUS HEALTH INC.
    Inventors: Xianqi Kong, Nigel Levens, Abderrahim Bouzide, Stephane Ciblat, Richard Frenette, Johanne Renaud
  • Publication number: 20110313040
    Abstract: The invention relates to organic nutrient salts, to compositions containing the same, to their preparation as well as their use. Preferred compositions include nutraceutical compositions and dietary supplements for use in neuroprotection and for improving or protecting cognitive and memory function.
    Type: Application
    Filed: November 13, 2009
    Publication date: December 22, 2011
    Applicant: BELLUS HEALTH INC.
    Inventors: Xianqi Kong, Nigel Levens, Serge Lamothe, Ahmed Aman
  • Patent number: 6919362
    Abstract: Compounds of formula (I): wherein: X represents an oxygen or a sulphur or CH2 or R1 and R2 represent a hydrogen atom, or a group as defined in the description, A represents an alkylene chain as described in the description, B is as defined in the description, R3 and R4 represent a hydrogen atom or a group as defined in the description, D represents an optionally substituted benzene, optionally substituted pyrazine, optionally substituted pyrimidine or optionally substituted pyridazine and medicinal products containing the same which are useful in treating or preventing melatoninergic disorders.
    Type: Grant
    Filed: February 1, 2001
    Date of Patent: July 19, 2005
    Assignee: Les Laboratoires Servier
    Inventors: Daniel Lesieur, Elodie Blanc-Delmas, Said Yous, Patrick Depreux, GĂ©rald Guillaumet, Catherine Dacquet, Nigel Levens, Jean Albert Boutin, Caroline Bennejean, Pierre Renard
  • Publication number: 20050085644
    Abstract: Compound of formula (I): wherein: R1 and R2, which may be identical or different, each represents hydrogen, acyl or alkyl, Ar represents aryl or heteroaryl, A represents a group selected from: R4 represents hydrogen or alkyl, R5 represents hydrogen, alkyl, aryl or heteroaryl, R3 represents aryl, heteroaryl, dicyclopropylmethyl or benzhydryl, or A-R3 represents an optionally substituted naphthyl group, with the exclusion of 2,5-dihydroxy-3-(4-methoxyphenyl)-6-(2-phenylethenyl)-1,4-benzoquinone, 2,5-dihydroxy-3-(4-methoxyphenyl)-6-(2-naphthyl)-1,4-benzoquinone and 2,5-dihydroxy-3-(2-naphthyl)-6-phenyl-1,4-benzoquinone. Medicinal products containing the same which are useful in the treatment of diseases associated with a deregulation of glycaemia.
    Type: Application
    Filed: February 4, 2003
    Publication date: April 21, 2005
    Inventors: Alexandra Dassonville, Anne Breteche, Muriel Duflos, Guillaume Le Baut, Bruno Pfeiffer, Pierre Renard, Nigel Levens, Bernadette Husson-Robert
  • Patent number: 6770444
    Abstract: This invention provides an isolated nucleic acid encoding a polypeptide, a purified polypeptide, vectors comprising isolated nucleic acid encoding a polypeptide, cells comprising such vectors, antibodies directed to a polypeptide, nucleic acid probes useful for detecting nucleic acid encoding a polypeptide, antisense oligonucleotides complementary to unique sequences of nucleic acid encoding a polypeptide, nonhuman transgenic animals which express DNA encoding a normal or a mutant polypeptide, methods of isolating a polypeptide, methods of treatment eating disorders as well as methods of determining binding of compounds to polypeptides.
    Type: Grant
    Filed: July 16, 1998
    Date of Patent: August 3, 2004
    Assignee: Synaptic Pharmaceutical Corporation
    Inventors: Nika Adham, Beth Borowsky, Nigel Levens, Radek Ctirad Skoda
  • Patent number: 6716843
    Abstract: Compound of formula (I): wherein:  represents an optionally substituted, 5-membered, nitrogen-containing heterocycle, R1 represents hydrogen, alkyl, acyl, prolyl, alanyl, histidylprolyl or phenylalanylprolyl, Ak represents an alkylene or heteroalkylene chain, X represents a single bond or optionally substituted phenylene, R2 represents optionally substituted alkyl, (C3-C10)cycloalkyl, or —NR2aR2b wherein R2a and R2b, which may be the same or different, each represent hydrogen or alkyl or, together with the nitrogen atom carrying them, form a nitrogen-containing heterocycle, Y represents R3 represents hydrogen or a group selected from alkyl, (C3-C7) cycloalkyl and aryl, R4, R5 and R6, which may be the same or different, each represent hydrogen or alkyl, or R4 and R6, or R5 and R6, together with the atoms carrying them, form an imidazolidine or dihydrobenzimidazole ring, its optical isomers and addition salts thereof with a pharmaceutically
    Type: Grant
    Filed: March 28, 2002
    Date of Patent: April 6, 2004
    Assignee: Les Laboratoires Servier
    Inventors: Guillaume De Nanteuil, Bernard Portevin, Alain Benoist, Nigel Levens, Olivier Nosjean, Bernadette Husson-Robert
  • Patent number: 6706742
    Abstract: Compound selected from those of formula (I): wherein: represents an optionally substituted 5-membered nitrogen-containing heterocycle, Ak represents an alkylene chain, X represents a single bond or phenylene, R1 and R2, which may be identical or different, each represent hydrogen or alkyl, R3 represents alkyl, nitro or cyano, Y represents NR4 or CHNO2, R4 represents hydrogen or alkyl, its tautomers when they exist, its optical isomers, and addition salts thereof with a pharmaceutically acceptable acid, with the exclusion of compounds wherein, simultaneously, represents an unsubstituted 5-membered nitrogen-containing heterocycle, Ak represents —(CH2)3—, X represents a single bond, Y represents NH and R3 represents nitro. Medicinal products containing the same which are useful as dipeptidyl peptidase IV inhibitors.
    Type: Grant
    Filed: May 15, 2002
    Date of Patent: March 16, 2004
    Assignee: Les Laboratories Servier
    Inventors: Guillaume De Nanteuil, Bernard Portevin, Alain Benoist, Nigel Levens, Olivier Nosjean, Bernadette Husson-Robert, Michelle Boulanger
  • Publication number: 20040029875
    Abstract: A compound of formula (I): 1
    Type: Application
    Filed: April 11, 2003
    Publication date: February 12, 2004
    Inventors: Jean-Luc Fauchere, Jean-Claude Ortuno, Nigel Levens, Susana Chamorro, Jean Albert Boutin
  • Patent number: 6596749
    Abstract: Method of treating with compounds of formula (I): wherein: n is 0 or 1, W represents —CO— or S(O)q and q is 0, 1 or 2, G represents a G1, G2, G3 or G4 group as defined in the description, Z represents alkyl, aryl, heteroaryl, arylalkyl, arylalkenyl, arylalkynyl, heteroarylakenyl, heteroarylalkynyl or heteroarylalkyl each optionally substituted, A represents a grouping selected from —A2—, —A1—A2—, —A2—A1—, and —A1—A2—A1— wherein A1 is alkylene and A2 represents phenylene, cycloalkylene, naphthylene or heteroarylene each optionally substituted, R represents hydrogen, alkyl, aryl, heteroaryl, arylalkyl arylalkenyl, arylalkynyl, heteroarylakenyl, heteroarylalkynyl or heteroarylalkyl each optionally substituted, R1 represents alkyl, aryl, heteroaryl, arylalkyl arylalkenyl, arylalkynyl, heteroarylakenyl, heteroarylalkynyl or heteroarylalkyl each optionally substituted, and medicinal products containing the
    Type: Grant
    Filed: March 5, 2001
    Date of Patent: July 22, 2003
    Assignee: Les Laboratoires Servier
    Inventors: Jean-Luc Fauchere, Jean-Claude Ortuno, Jacques Duhault, Jean Albert Boutin, Nigel Levens
  • Patent number: 6593312
    Abstract: A compound of formula (I): wherein: represents an optionally substituted saturated carbon ring having from 4 to 8 ring members, R1 and R4, which may be identical or different, each represents hydrogen or acyl, R2 and R3, which may be identical or different, each represents hydrogen or alkyl, R5 and R6, which may be identical or different, each represents hydrogen or alkyl, or R5 and R6 together, with the nitrogen atom carrying them, form an optionally substituted nitrogen-containing heterocycle, stereoisomers thereof, and also addition salts thereof with a pharmaceutically acceptable acid. Medicinal products containing the same which are useful for treatment of glucose intolerance or of disorders associated with hyperglycaemia.
    Type: Grant
    Filed: June 18, 2002
    Date of Patent: July 15, 2003
    Assignee: Les Laboratoires Servier
    Inventors: Michel Wierzbicki, Jean-Marie Fourquez, Nigel Levens, Bernadette Husson-Robert, Olivier Nosjean, Michelle Boulanger
  • Publication number: 20030087950
    Abstract: Compound of formula (I): 1
    Type: Application
    Filed: March 28, 2002
    Publication date: May 8, 2003
    Inventors: Guillaume DeNanteuil, Bernard Portevin, Alain Benoist, Nigel Levens, Olivier Nosjean, Bernadette Husson-Robert
  • Publication number: 20030078247
    Abstract: Compound selected from those of formula (I): 1
    Type: Application
    Filed: May 15, 2002
    Publication date: April 24, 2003
    Inventors: Guillaume De Nanteuil, Bernard Portevin, Alain Benoist, Nigel Levens, Olivier Nosjean, Bernadette Husson-Robert, Michelle Boulanger
  • Publication number: 20030073829
    Abstract: This invention provides an isolated nucleic acid encoding a polypeptide, a purified polypeptide, vectors comprising isolated nucleic acid encoding a polypeptide, cells comprising such vectors, antibodies directed to a polypeptide, nucleic acid probes useful for detecting nucleic acid encoding a polypeptide, antisense oligonucleotides complementary to unique sequences of nucleic acid encoding a polypeptide, nonhuman transgenic animals which express DNA encoding a normal or a mutant polypeptide, methods of isolating a polypeptide, methods of treatment eating disorders as well as methods of determining binding of compounds to polypeptides.
    Type: Application
    Filed: July 16, 1998
    Publication date: April 17, 2003
    Inventors: NIKA ADHAM, BETH BOROWSKY, NIGEL LEVENS, RADEK C. SKODA
  • Publication number: 20030040533
    Abstract: Compounds of formula (I): 1
    Type: Application
    Filed: August 2, 2002
    Publication date: February 27, 2003
    Inventors: Daniel Lesieur, Elodie Blanc-Delmas, Said Yous, Patrick Depreux, Gerald Guillaumet, Catherine Dacquet, Nigel Levens, Jean Albert Boutin, Caroline Bennejean, Pierre Renard
  • Publication number: 20030004138
    Abstract: Compound of formula (I): 1
    Type: Application
    Filed: June 18, 2002
    Publication date: January 2, 2003
    Inventors: Michel Wierzbicki, Jean-Marie Fourquez, Nigel Levens, Bernadette Hussson-Robert, Olivier Nosjean, Michelle Boulanger
  • Publication number: 20010018522
    Abstract: Compound of formula (I): 1
    Type: Application
    Filed: March 5, 2001
    Publication date: August 30, 2001
    Inventors: Jean-Luc Fauchere, Jean-Claude Ortuno, Jacques Duhault, Jean Albert Boutin, Nigel Levens