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).
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Patent number: 8952010Abstract: 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: GrantFiled: February 6, 2012Date of Patent: February 10, 2015Assignee: Daiichi Sankyo Company, LimitedInventors: Hiroaki Inagaki, Tetsunori Fujisawa, Masao Itoh, Aki Yokomizo, Toshifumi Tsuda, Saito Higuchi, Biswajit Das, Rita Katoch, Dilip J. Upadhyay
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Publication number: 20140187542Abstract: 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: ApplicationFiled: February 6, 2012Publication date: July 3, 2014Applicant: DAIICHI SANKYO COMPANY, LIMITEDInventors: Hiroaki Inagaki, Tetsunori Fujisawa, Masao Itoh, Aki Yokomizo, Toshifumi Tsuda, Saito Higuchi, Biswajit Das, Rita Katoch, Dilip J. Upadhyay
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Patent number: 8076370Abstract: 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: GrantFiled: May 3, 2006Date of Patent: December 13, 2011Assignee: Ranbaxy Laboratories LimitedInventors: 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
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Publication number: 20090215764Abstract: 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: ApplicationFiled: May 3, 2006Publication date: August 27, 2009Inventors: 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
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Publication number: 20090170790Abstract: 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: ApplicationFiled: October 25, 2005Publication date: July 2, 2009Inventors: Biswajit Das, Mohammad Salman, Santosh Haribhau Kurhade, Ramadass Venkataramanan, Rajesh Kumar, Gobind Singh Kapkoti, Rita Katoch, Anish Bandyopadhyay, Ashok Rattan
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Publication number: 20090005325Abstract: 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: ApplicationFiled: November 21, 2006Publication date: January 1, 2009Inventors: Biswajit Bas, Anjan Chakrabarti, Ramadass Venkataramanan, Atul Kashinath Hajare, Anish Bandyopadhyay, Rita Katoch, Gobind Singh Kapkoti, Yogash Baban Surase, Mohammad Salman, Dilip J. Upadhyay
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Publication number: 20080318878Abstract: 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: ApplicationFiled: September 27, 2005Publication date: December 25, 2008Inventors: Biswajit Das, Rita Katoch, Atul Kashinath Hajare, Anish Bandyopadhyay, Santosh Haribhau Kurhade, Sujata Rathy, Ashok Rattan
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Publication number: 20080287376Abstract: 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: ApplicationFiled: July 28, 2005Publication date: November 20, 2008Applicants: RANBAXY LABORATORIES LIMITEDInventors: 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
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Publication number: 20080207536Abstract: 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: ApplicationFiled: July 13, 2005Publication date: August 28, 2008Applicant: RANBAXY LABORATORIES LIMITEDInventors: 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
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Publication number: 20040242896Abstract: 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: ApplicationFiled: June 28, 2004Publication date: December 2, 2004Inventors: Mohammad Salman, Rita Katoch, Ashwani Kumar Verma, Jitendra Sattigeri, Ashok Rattan
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Patent number: 6710049Abstract: 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: GrantFiled: December 21, 2001Date of Patent: March 23, 2004Assignee: Ranbaxy Laboratories LimitedInventors: Mohammed Salman, Rita Katoch, Ashwani Kumar Verma, Jitendra Sattigeri, Ashok Rattan
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Publication number: 20020119984Abstract: 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: ApplicationFiled: December 21, 2001Publication date: August 29, 2002Inventors: Mohammed Salman, Rita Katoch, Ashwani Kumar Verma, Jitendra Sattigeri, Ashok Rattan