Patents by Inventor Rita Katoch

Rita Katoch 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: 8952010
    Abstract: A compound represented by the following formula (I) or a salt thereof: wherein R represents a hydrogen atom, a hydroxy group, or a halogen atom Ar1 represents a bicyclic heterocyclic group represented by the following formula: ?and Ar2 represents a bicyclic heterocyclic group represented by the following formulae:
    Type: Grant
    Filed: February 6, 2012
    Date of Patent: February 10, 2015
    Assignee: Daiichi Sankyo Company, Limited
    Inventors: Hiroaki Inagaki, Tetsunori Fujisawa, Masao Itoh, Aki Yokomizo, Toshifumi Tsuda, Saito Higuchi, Biswajit Das, Rita Katoch, Dilip J. Upadhyay
  • Publication number: 20140187542
    Abstract: A compound represented by the following formula (I) or a salt thereof: wherein R represents a hydrogen atom, a hydroxy group, or a halogen atom Ar1 represents a bicyclic heterocyclic group represented by the following formula: and Ar2 represents a bicyclic heterocyclic group represented by the following formulae:
    Type: Application
    Filed: February 6, 2012
    Publication date: July 3, 2014
    Applicant: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Hiroaki Inagaki, Tetsunori Fujisawa, Masao Itoh, Aki Yokomizo, Toshifumi Tsuda, Saito Higuchi, Biswajit Das, Rita Katoch, Dilip J. Upadhyay
  • Patent number: 8076370
    Abstract: Provided herein are substituted aromatic compounds, which are tRNA synthetase inhibitors, and hence can be used as antimicrobial agents. Compounds described herein can be used for the treatment or prevention of a condition caused by or contributed to by gram positive, gram negative, anaerobic bacteria or fungal organisms, more particularly against bacterium, for example, Staphylococci, Enterococci, Streptococci, Haemophilus, Moraxalla, Escherichia, Chlamydia, Mycoplasm, Legionella, Mycobacterium, Helicobacter, Clostridium, Bacteroides, Corynebacterium, Bacillus or Enterobactericeae, and fungal organisms, for example, Aspergillus, Blastomyces, Candida, Coccidiodes, Cryptococcus, Epidermophyton, Hendersonula, Histoplasma, Microsporum, Paecilomyces, Paracoccidiodes, Pneumocystis, Trichophyton, or Trichosporium. Processes for the preparation of these compounds, pharmaceutical compositions thereof, and methods of treating microbial infections are also provided.
    Type: Grant
    Filed: May 3, 2006
    Date of Patent: December 13, 2011
    Assignee: Ranbaxy Laboratories Limited
    Inventors: Biswajit Das, Jasbir Singh Arora, Shahadat Ahmed, Anish Bandyopadhyay, Rita Katoch, Santosh Haribhau Kurhade, Sujata Rathy, Soma Ghosh, Abhijit Datta Khoje, Arti Gujrati, Dilip J. Upadhyay
  • Publication number: 20090215764
    Abstract: Provided herein are substituted aromatic compounds, which are tRNA synthetase inhibitors, and hence can be used as antimicrobial agents. Compounds described herein can be used for the treatment or prevention of a condition caused by or contributed to by gram positive, gram negative, anaerobic bacteria or fungal organisms, more particularly against bacterium, for example, Staphylococci, Enterococci, Streptococci, Haemophilus, Moraxalla, Escherichia, Chlamydia, Mycoplasm, Legionella, Mycobacterium, Helicobacter, Clostridium, Bacteroides, Corynebacterium, Bacillus or Enterobactericeae, and fungal organisms, for example, Aspergillus, Blastomyces, Candida, Coccidiodes, Cryptococcus, Epidermophyton, Hendersonula, Histoplasma, Microsporum, Paecilomyces, Paracoccidiodes, Pneumocystis, Trichophyton, or Trichosporium. Processes for the preparation of these compounds, pharmaceutical compositions thereof, and methods of treating microbial infections are also provided.
    Type: Application
    Filed: May 3, 2006
    Publication date: August 27, 2009
    Inventors: Biswajit Das, Jasbir Singh Arora, Shahadat Ahmed, Anish Bandyopadhyay, Rita Katoch, Santosh Haribhau Kurhade, Sujata Rathy, Soma Ghosh, Abhijit Datta Khoje, Arti Gujrati, Dilip J. Upadhyay
  • Publication number: 20090170790
    Abstract: The present invention provides ketolide derivatives, which can be used as anti-bacterial agents. Compounds disclosed herein can be used for the treating or preventing conditions caused by or contributed to by gram positive, gram negative or anaerobic bacteria, more particularly against, for example, Staphylococci, Streptococci, Enterococci, Haemophilus, Moraxalla spp., Chlamydia spp., Mycoplasm, Legionella spp., Mycobacterium, Helicobacter, Clostridium, Bacteroides, Corynebacterium, Bacillus, Enterobactericeae or any combination thereof. Also provided are processes for preparing compounds disclosed herein, intermediates used in their synthesis, pharmaceutical compositions thereof, and methods of treating bacterial infections.
    Type: Application
    Filed: October 25, 2005
    Publication date: July 2, 2009
    Inventors: Biswajit Das, Mohammad Salman, Santosh Haribhau Kurhade, Ramadass Venkataramanan, Rajesh Kumar, Gobind Singh Kapkoti, Rita Katoch, Anish Bandyopadhyay, Ashok Rattan
  • Publication number: 20090005325
    Abstract: Provided herein are ketolide derivatives, which can be used as antibacterial agents. Compounds described herein can be used for treating or preventing conditions caused by or contributed to by gram positive, gram negative or anaerobic bacteria, more particularly against, for example, Staphylococci, Streptococci, Enterococci, Haemophilus, Moraxalla spp., Chlamydia spp., Mycoplasm, Legionella spp., Mycobacterium, Helicobacter, Clostridium, Bacteroides, Corynebacterium, Bacillus, Enterobactericeae, Propionibacterium acnes or any combination thereof. Also provided are processes for preparation of compounds described herein, pharmaceutical compositions thereof, and methods of treating bacterial infections.
    Type: Application
    Filed: November 21, 2006
    Publication date: January 1, 2009
    Inventors: Biswajit Bas, Anjan Chakrabarti, Ramadass Venkataramanan, Atul Kashinath Hajare, Anish Bandyopadhyay, Rita Katoch, Gobind Singh Kapkoti, Yogash Baban Surase, Mohammad Salman, Dilip J. Upadhyay
  • Publication number: 20080318878
    Abstract: The present invention provides acylide derivatives, which can be used as antibacterial agents. Compounds disclosed herein can be used for treating or preventing conditions caused by or contributed to by Gram-positive, Gram-negative or anaerobic bacteria, more particularly against, for example, Staphylococci, Streptococci, Enterococci, Haemophilus, Moraxalla spp., Chlamydia spp., Mycoplasm, Legionella spp., Mycobacterium, Helicobacter, Clostridium, Bacteroides, Corynebacterium, Bacillus, Enterobactericeae or any combination thereof. Also provided are processes for preparing compounds disclosed herein, pharmaceutical compositions thereof, and method of treating bacterial infections.
    Type: Application
    Filed: September 27, 2005
    Publication date: December 25, 2008
    Inventors: Biswajit Das, Rita Katoch, Atul Kashinath Hajare, Anish Bandyopadhyay, Santosh Haribhau Kurhade, Sujata Rathy, Ashok Rattan
  • Publication number: 20080287376
    Abstract: The present invention provides ketolide derivatives, which can be used as antibacterial agents. In particular, compounds described herein can be used for treating or preventing conditions caused by or contributed to by Gram-positive, Gram-negative or anaerobic bacteria, more particularly against, for example, Staphylococci, Streptococci, Enterococci, Haemophilus, Moraxalla spp. Chlamydia spp., Mycoplasm, Legionella spp., Mycobacterium, Helicobacter, Clostridium, Bacteroides, Corynebaclerium, Bacillus or Enterobactericeae. Also provided are processes for preparing such ketolide derivatives, pharmaceutical compositions thereof, and methods of treating bacterial infections.
    Type: Application
    Filed: July 28, 2005
    Publication date: November 20, 2008
    Applicants: RANBAXY LABORATORIES LIMITED
    Inventors: Biswajit Das, Mohammad Salman, Atul Kashinath Hajare, Ramadass Venkataramanan, Rita Katoch, Rajesh Kumar, Gobind Singh Kapkoti, Anjan Chakrabarti, Anish Bandyopadhyay, Santosh Haribhau Kurhade, Yogesh Baban Surase, Ashok Rattan
  • Publication number: 20080207536
    Abstract: The present invention provides acylide derivatives, which can be used as antibacterial agents. Compounds disclosed herein can be used for the treatment or prevention of a condition caused by or contributed to by Gram-positive, Gram-negative or anaerobic bacteria, more particularly against bacterium such as Staphylococci, Streptococci, Enterococci, Haemophilus, Moraxalla spp., Chlamydia spp., Mycoplasm, Legionella spp., Myobacterium, Helicobacter, Clostridium, Bacteroides, Corynebacterium, Baccillus or Enterobactericeae. Processes for the preparation of disclosed compounds, pharmaceutical compositions thereof, and method of treating bacterial infections, are also provided.
    Type: Application
    Filed: July 13, 2005
    Publication date: August 28, 2008
    Applicant: RANBAXY LABORATORIES LIMITED
    Inventors: Biswajit Das, Rita Katoch, Atul Kashinath Hajare, Gobind Singh Kapkoti, Anish Bandyopadhyay, Ramadass Venkataramanan, Rajesh Kumar, Santosh Haribhau Kurhade, Sujata Rathy, Anjan Chakrabarti, Yogesh Baban Surase, Mohammad Salman, Ashok Rattan
  • Publication number: 20040242896
    Abstract: The present invention relates to the derivatives of specially substituted azole compounds which have improved anti-fungal activity as compared with presently available agents in this class and the processes for the preparation thereof. This invention also relates to pharmaceutical preparations containing the compounds of the present invention and their use in treating and/or preventing the fungal infections in mammals, preferably humans.
    Type: Application
    Filed: June 28, 2004
    Publication date: December 2, 2004
    Inventors: Mohammad Salman, Rita Katoch, Ashwani Kumar Verma, Jitendra Sattigeri, Ashok Rattan
  • Patent number: 6710049
    Abstract: The present invention relates to the derivatives of specially substituted azole compounds which have improved antifungal activity as compared with presently available agents in this class and the processes for the preparation thereof. This invention also relates to pharmaceutical preparations containing the compounds of the present invention and their use in treating and/or preventing the fungal infections in mammals, preferably humans.
    Type: Grant
    Filed: December 21, 2001
    Date of Patent: March 23, 2004
    Assignee: Ranbaxy Laboratories Limited
    Inventors: Mohammed Salman, Rita Katoch, Ashwani Kumar Verma, Jitendra Sattigeri, Ashok Rattan
  • Publication number: 20020119984
    Abstract: The present invention relates to the derivatives of specially substituted azole compounds which have improved antifungal activity as compared with presently available agents in this class and the processes for the preparation thereof. This invention also relates to pharmaceutical preparations containing the compounds of the present invention and their use in treating and/or preventing the fungal infections in mammals, preferably humans.
    Type: Application
    Filed: December 21, 2001
    Publication date: August 29, 2002
    Inventors: Mohammed Salman, Rita Katoch, Ashwani Kumar Verma, Jitendra Sattigeri, Ashok Rattan