Patents by Inventor Neerja Bhatnagar

Neerja Bhatnagar 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: 7585855
    Abstract: The invention relates to the preparation of substituted caprolactams, a method for the preparation thereof, compositions containing them and the use thereof as a medicament, particularly as anticancer agents.
    Type: Grant
    Filed: August 19, 2008
    Date of Patent: September 8, 2009
    Assignee: Aventis Pharma SA
    Inventors: Jidong Zhang, Neerja Bhatnagar
  • Patent number: 7550453
    Abstract: The invention relates particularly to 2-alkoxy-3,4,5-trihydroxy-alkylamides, preparation thereof, compositions containing them and use thereof as a medicament, particularly as anti-cancer agents.
    Type: Grant
    Filed: May 24, 2007
    Date of Patent: June 23, 2009
    Assignee: Aventis Pharma SA
    Inventors: Jidong Zhang, Neerja Bhatnagar, Jean-Marie Ruxer
  • Publication number: 20080318928
    Abstract: The invention relates to the preparation of substituted caprolactams, a method for the preparation thereof, compositions containing them and the use thereof as a medicament, particularly as anticancer agents.
    Type: Application
    Filed: August 19, 2008
    Publication date: December 25, 2008
    Applicant: AVENTIS PHARMA S.A.
    Inventors: Jidong ZHANG, Neerja Bhatnagar
  • Publication number: 20070249584
    Abstract: The invention relates to the preparation of substituted caprolactams, a method for the preparation thereof, compositions containing them and the use thereof as a medicament, particularly as anticancer agents.
    Type: Application
    Filed: May 24, 2007
    Publication date: October 25, 2007
    Applicant: AVENTIS PHARMA S.A.
    Inventors: Jidong Zhang, Neerja Bhatnagar
  • Publication number: 20070244087
    Abstract: The invention relates particularly to 2-alkoxy-3,4,5-trihydroxy-alkylamides, preparation thereof, compositions containing them and use thereof as a medicament, particularly as anti-cancer agents.
    Type: Application
    Filed: May 24, 2007
    Publication date: October 18, 2007
    Applicant: AVENTIS PHARMA S.A.
    Inventors: Jidong ZHANG, Neerja BHATNAGAR, Jean-Marie RUXER
  • Patent number: 7279480
    Abstract: The present invention discloses and claims hexahydropyridazine-3-carboxylic acid hydrazides and hydrazones of formula (I) as inhibitors of proteases and kinases, and methods of using said compounds of formula (I) for the prevention or treatment of certain cardiovascular, central nervous system, inflammatory, and bone diseases as well as infectious diseases and certain cancers. Combinatorial libraries of the compounds of formula (I), pharmaceutical compositions, and methods for the preparation of combinatorial libraries and the compounds of formula (I) are also disclosed and claimed.
    Type: Grant
    Filed: December 10, 2004
    Date of Patent: October 9, 2007
    Assignee: Aventis Pharma S.A.
    Inventors: Neerja Bhatnagar, Pierre Broto, Jean-Francois Gourvest, Jacques Mauger
  • Patent number: 7223758
    Abstract: The invention relates to a pyridazine derivative of formula (I), wherein the variables are as defined herein, pharmaceutical composition thereof, process for its preparation, and its pharmaceutical use.
    Type: Grant
    Filed: August 11, 2004
    Date of Patent: May 29, 2007
    Assignee: Sanofi-Aventis
    Inventors: Neerja Bhatnagar, Didier Benard, Jean-Francois Gourvest, Jacques Mauger
  • Patent number: 7034022
    Abstract: The present invention discloses and claims compounds of formula (I) as inhibitors of proteases and kinases, method using said compounds of formula (I) for the prevention or treatment of certain cardiovascular, central nervous system, inflammatory, and bone diseases as well as infectious diseases and certain cancers. Combinatorial libraries of compounds of formula (I), pharmaceutical compositions and methods for preparation of combinatorial libraries and compounds of formula (I) are also disclosed and claimed.
    Type: Grant
    Filed: November 2, 2004
    Date of Patent: April 25, 2006
    Assignee: Aventis Pharma S. A.
    Inventors: Neerja Bhatnagar, Jean-Francois Gourvest, Jacques Mauger
  • Publication number: 20050215553
    Abstract: The present invention discloses and claims hexahydropyridazine-3-carboxylic acid hydrazides and hydrazones of formula (I) as inhibitors of proteases and kinases, and methods of using said compounds of formula (I) for the prevention or treatment of certain cardiovascular, central nervous system, inflammatory, and bone diseases as well as infectious diseases and certain cancers. Combinatorial libraries of the compounds of formula (I), pharmaceutical compositions, and methods for the preparation of combinatorial libraries and the compounds of formula (I) are also disclosed and claimed.
    Type: Application
    Filed: December 10, 2004
    Publication date: September 29, 2005
    Applicant: Aventis Pharma S.A.
    Inventors: Neerja Bhatnagar, Pierre Broto, Jean-Francois Gourvest, Jacques Mauger
  • Publication number: 20050171346
    Abstract: The present invention discloses and claims compounds of formula (I) as inhibitors of proteases and kinases, method using said compounds of formula (I) for the prevention or treatment of certain cardiovascular, central nervous system, inflammatory, and bone diseases as well as infectious diseases and certain cancers. Combinatorial libraries of compounds of formula (I), pharmaceutical compositions and methods for preparation of combinatorial libraries and compounds of formula (I) are also disclosed and claimed.
    Type: Application
    Filed: November 2, 2004
    Publication date: August 4, 2005
    Applicant: Aventis Pharma S.A.
    Inventors: Neerja Bhatnagar, Jean-Francois Gourvest, Jacques Mauger
  • Publication number: 20050165017
    Abstract: The invention relates to a pyridazine derivative of formula (I), wherein the variables are as defined herein, pharmaceutical composition thereof, process for its preparation, and its pharmaceutical use.
    Type: Application
    Filed: August 11, 2004
    Publication date: July 28, 2005
    Applicant: AVENTIS PHARMA S.A.
    Inventors: Neerja Bhatnagar, Didier Benard, Jean-Francois Gourvest, Jacques Mauger
  • Publication number: 20030100550
    Abstract: The invention concerns products of formula (I) wherein: R1 represents in particular —C(O)—R5, —SO2—R5 or —C(O)—NR6R5, R2 and R7 are such that either R7 represents a hydrogen atom and R2 is such that the group (a) represents the radical of a natural or non-natural amino acid, or R2 and R7 form together a cycle with the nitrogen and carbon atom whereto they are bound, R3 represents in particular the radical —CH═N2 or —CH2-L—R4, R4 represents in particular a linear or branched alkyl radical, and their additive salts with mineral or organic acids or with mineral or organic bases of said products of formula (I). The invention also concerns the method for preparing said products and their use as medicines.
    Type: Application
    Filed: July 8, 2002
    Publication date: May 29, 2003
    Inventors: Neerja Bhatnagar, Jacques Mauger
  • Patent number: 6492536
    Abstract: The subject of the invention is the products of formula (I): in which either R1 represents halogen, hydroxyl, (C1-C8) alkyloxy or (C1-C12) acyloxy, and R2 represents halogen or hydrogen, or R1 and R2 form together a double bond, Z is chosen from optionally substituted (C1-C8) alkylthio, optionally substituted arylthio, (C1-C8) alkyloxy, halogen, cyano, mercapto, thiocyanato and (CH2)0-1—CO2H, optionally esterified, Y represents hydrogen or methyl, the dotted line in position 1-2 or 5-6 optionally representing a second bond, as well as their addition salts, their preparation process, the intermediates of this process and the pharmaceutical compositions containing them.
    Type: Grant
    Filed: June 25, 2001
    Date of Patent: December 10, 2002
    Assignee: Aventis Pharma S.A.
    Inventors: Neerja Bhatnagar, Andre Claussner, Christian Marchandeau, Michele Resche Rigon, Jean-Georges Teutsch
  • Publication number: 20020002155
    Abstract: The subject of the invention is the products of formula (I): 1
    Type: Application
    Filed: June 25, 2001
    Publication date: January 3, 2002
    Applicant: Hoechst Marion Roussel
    Inventors: Neerja Bhatnagar, Andre Claussner, Christian Marchandeau, Michele Resche Rigon, Jean-Georges Teutsch
  • Patent number: 6274572
    Abstract: The subject of the invention is the products of formula (I): in which either R1 represents halogen, hydroxyl, (C1-C8) alkyloxy or (C1-C12) acyloxy, and R2 represents halogen or hydrogen, or R1 and R2 form together a double bond, Z is chosen from optionally substituted (C1-C8) alkylthio, optionally substituted arylthio, (C1-C8) alkyloxy, halogen, cyano, mercapto, thiocyanato and (CH2)0-1—CO2H, optionally esterified, Y represents hydrogen or methyl, the dotted line in position 1-2 or 5-6 optionally representing a second bond, as well as their addition salts, their preparation process, the intermediates of this process and the pharmaceutical compositions containing them.
    Type: Grant
    Filed: December 21, 1998
    Date of Patent: August 14, 2001
    Assignee: Aventis Pharma S.A.
    Inventors: Neerja Bhatnagar, Andre Claussner, Christian Marchandeau, Michele Resche Rigon, Jean-Georges Teutsch
  • Patent number: 5633400
    Abstract: The invention relates to a process for the preparation of a compound of the formula (I) ##STR1## in which X is an optionally protected formyl group andR is a group which is itself inert to the reaction conditions of the synthesis,which comprises reacting a compound of the formula (II) ##STR2## where X is as defined above, with a substituted phenyl-halogen compound of the formula (III) ##STR3## where the substituent Hal is a halogen group and R is as defined above.
    Type: Grant
    Filed: May 24, 1995
    Date of Patent: May 27, 1997
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Adalbert Wagner, Neerja Bhatnagar, Jean Buendia, Christine Griffoul
  • Patent number: 5618975
    Abstract: Biphenyl derivatives and processes for the preparation of biphenyl derivatives are described. A compound of formula (I) is disclosed ##STR1## in which the substituent X is --CHO or --CH(OR.sup.1)OR.sup.2, where R.sup.1 and R.sup.2 independently of one another are (C.sub.1 -C.sub.6)-alkyl or R.sup.1 and R.sup.2 together are an alkylene group (--CH.sub.2).sub.n --, where n is 2, 3 4 or 5 and R is --F, --Cl, --NO.sub.2, --(CH.sub.2).sub.m --COOR.sup.3, --(CH.sub.2).sub.m --CONHR.sup.3, --(CH.sub.2).sub.m --CN, --SO.sub.2 NH--COOR.sup.3, --SO.sub.2 NH--CO--NHR.sup.3, --SO.sub.2 NH--SO.sub.2 --R.sup.3, --NHSO.sub.2 R.sup.3, ##STR2## --PO.sub.3 R.sup.3, --NH--SO.sub.2 --CF.sub.3, --SO.sub.2 NR.sup.4 where R.sup.3 is hydrogen, (C.sub.1 -C.sub.6)-alkyl, (C.sub.3 -C.sub.6)cycloalkyl, or (C.sub.1 -C.sub.6)-alkyl-(C.sub.3 -C.sub.6)cycloalkyl and R.sup.4 is a group .dbd.C--N(CH.sub.3).sub.2, and m is 0, 1, 2, 3, or 4.
    Type: Grant
    Filed: May 24, 1995
    Date of Patent: April 8, 1997
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Adalbert Wagner, Neerja Bhatnagar, Jean Buendia, Christine Griffoul
  • Patent number: 5527919
    Abstract: A novel process for the preparation of a compound of the formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are defined in the text.
    Type: Grant
    Filed: January 4, 1994
    Date of Patent: June 18, 1996
    Assignee: Roussel Uclaf
    Inventors: Neerja Bhatnagar, Jean Buendia, Christine Griffoul, Holger Heitsch, Adalbert Wagner
  • Patent number: 5493046
    Abstract: The novel process of the invention for the preparation of a compound of the formula ##STR1##
    Type: Grant
    Filed: October 27, 1994
    Date of Patent: February 20, 1996
    Assignee: Roussel-Uclaf
    Inventors: Neerja Bhatnagar, Jean Buendia, Christine Griffoul
  • Patent number: 5391732
    Abstract: A novel process for the preparation of a compound of the formula ##STR1##
    Type: Grant
    Filed: January 4, 1994
    Date of Patent: February 21, 1995
    Assignee: Roussel-Uclaf
    Inventors: Neerja Bhatnagar, Jean Buendia, Christine Griffoul