Patents by Inventor Nitinchandra D. Patel

Nitinchandra D. Patel 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: 11958818
    Abstract: The present invention relates to compound of formula (I), wherein R1 is chloro, bromo iodo or a brosylate group. The present invention also relates to methods of making this compound and its use in carrying out organic transformations.
    Type: Grant
    Filed: April 29, 2020
    Date of Patent: April 16, 2024
    Assignee: Boehringer Ingelheim International GmbH
    Inventor: Nitinchandra D. Patel
  • Publication number: 20220213048
    Abstract: The present invention relates to compound of formula (I), wherein R1 is chloro, bromo iodo or a brosylate group. The present invention also relates to methods of making this compound and its use in carrying out organic transformations.
    Type: Application
    Filed: April 29, 2020
    Publication date: July 7, 2022
    Inventor: Nitinchandra D. PATEL
  • Patent number: 10745411
    Abstract: Piperidino-dihydrothienopyrimidine sulfoxides of formula I wherein: Ring A is a 6-membered aromatic ring optionally comprising one or two nitrogen atoms and R is Cl and is located in the para-, meta-, or ortho-position of Ring A, S* is a sulphur atom that represents a chiral center, and all pharmaceutically acceptable salts, enantiomers and racemates, hydrates and solvates thereof and the use of these compounds for the treatment of inflammatory or allergic diseases of the respiratory tract such as COPD or asthma.
    Type: Grant
    Filed: October 11, 2019
    Date of Patent: August 18, 2020
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Pascale Arielle Jane-Josee Pouzet, Peter Nickolaus, Ulrike Werthmann, Rogelio P. Frutos, Bing-Shiou Yang, Soojin Kim, Jason Alan Mulder, Nitinchandra D. Patel, Chris Hugh Senanayake, Thomas Gabriel Tampone, Xudong Wei
  • Publication number: 20200048278
    Abstract: Piperidino-dihydrothienopyrimidine sulfoxides of formula I wherein: Ring A is a 6-membered aromatic ring optionally comprising one or two nitrogen atoms and R is Cl and is located in the para-, meta-, or ortho-position of Ring A, S* is a sulphur atom that represents a chiral center, and all pharmaceutically acceptable salts, enantiomers and racemates, hydrates and solvates thereof and the use of these compounds for the treatment of inflammatory or allergic diseases of the respiratory tract such as COPD or asthma.
    Type: Application
    Filed: October 11, 2019
    Publication date: February 13, 2020
    Inventors: Pascale Arielle Jane-Josee POUZET, Peter NICKOLAUS, Ulrike WERTHMANN, Rogelio P. FRUTOS, Bing-Shiou YANG, Soojin KIM, Jason Alan MULDER, Nitinchandra D. PATEL, Chris Hugh SENANAYAKE, Thomas Gabriel TAMPONE, Xudong WEI
  • Patent number: 10544177
    Abstract: This invention relates to novel phosphorous ligands useful for organic transformations. Methods of making and using the ligands in organic synthesis are described. The invention also relates to processes for preparing the novel ligands.
    Type: Grant
    Filed: January 10, 2019
    Date of Patent: January 28, 2020
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Jean-Nicolas Desrosiers, Daniel Robert Fandrick, Nizar Haddad, Guisheng Li, Nitinchandra D. Patel, Bo Qu, Sonia Rodriguez, Chris Hugh Senanayake, Joshua Daniel Sieber, Zhulin Tan, Xiao-Jun Wang, Nathan K. Yee, Li Zhang, Yongda Zhang
  • Publication number: 20190144475
    Abstract: This invention relates to novel phosphorous ligands useful for organic transformations. Methods of making and using the ligands in organic synthesis are described. The invention also relates to processes for preparing the novel ligands.
    Type: Application
    Filed: January 10, 2019
    Publication date: May 16, 2019
    Inventors: Jean-Nicolas DESROSIERS, Daniel Robert FANDRICK, NIZAR HADDAD, Guisheng LI, Nitinchandra D. PATEL, Bo QU, Sonia RODRIGUEZ, Chris Hugh SENANAYAKE, Joshua Daniel SIEBER, Zhulin TAN, Xiao-Jun WANG, Nathan K. YEE, Li ZHANG, Yongda ZHANG
  • Patent number: 10221203
    Abstract: This invention relates to novel phosphorous ligands useful for organic transformations. Methods of making and using the ligands in organic synthesis are described. The invention also relates to processes for preparing the novel ligands.
    Type: Grant
    Filed: December 6, 2017
    Date of Patent: March 5, 2019
    Assignee: Boehringer Ingelheim International Gmbh
    Inventors: Jean-Nicolas Desrosiers, Daniel Robert Fandrick, Nizar Haddad, Guisheng Li, Nitinchandra D. Patel, Bo Qu, Sonia Rodriguez, Chris Hugh Senanayake, Joshua Daniel Sieber, Zhulin Tan, Xiao-Jun Wang, Nathan K. Yee, Li Zhang, Yongda Zhang
  • Publication number: 20180155375
    Abstract: This invention relates to novel phosphorous ligands useful for organic transformations. Methods of making and using the ligands in organic synthesis are described. The invention also relates to processes for preparing the novel ligands.
    Type: Application
    Filed: December 6, 2017
    Publication date: June 7, 2018
    Inventors: Jean-Nicolas Desrosiers, Daniel Robert Fandrick, Nizar Haddad, Guisheng Li, Nitinchandra D. Patel, Bo Qu, Sonia Rodriguez, Chris Hugh Senanayake, Joshua Daniel Sieber, Zhulin Tan, Xiao-Jun Wang, Nathan K. Yee, Li Zhang, Yongda Zhang
  • Publication number: 20180072754
    Abstract: Piperidino-dihydrothienopyrimidine sulfoxides of formula I wherein: Ring A is a 6-membered aromatic ring optionally comprising one or two nitrogen atoms and R is Cl and is located in the para-, meta-, or ortho-position of Ring A, S* is a sulphur atom that represents a chiral center, and all pharmaceutically acceptable salts, enantiomers and racemates, hydrates and solvates thereof and the use of these compounds for the treatment of inflammatory or allergic diseases of the respiratory tract such as COPD or asthma.
    Type: Application
    Filed: September 8, 2017
    Publication date: March 15, 2018
    Inventors: Pascale Arielle Jane-Josee POUZET, Peter NICKOLAUS, Ulrike WERTHMANN, Rogelio P. FRUTOS, Bing-Shiou YANG, Soojin KIM, Jason Alan MULDER, Nitinchandra D. PATEL, Chris Hugh SENANAYAKE, Thomas Gabriel TAMPONE, Xudong WEI
  • Patent number: 9802954
    Abstract: Piperidino-dihydrothienopyrimidine sulfoxides of formula I wherein: Ring A is a 6-membered aromatic ring optionally comprising one or two nitrogen atoms and R is Cl and is located in the para-, meta-, or ortho-position of Ring A, S* is a sulphur atom that represents a chiral center, and all pharmaceutically acceptable salts, enantiomers and racemates, hydrates and solvates thereof and the use of these compounds for the treatment of inflammatory or allergic diseases of the respiratory tract such as COPD or asthma.
    Type: Grant
    Filed: August 9, 2013
    Date of Patent: October 31, 2017
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Pascale A. J. Pouzet, Peter Nickolaus, Ulrike Werthmann, Rogelio P. Frutos, Bing-Shiou Yang, Soojin Kim, Jason Alan Mulder, Nitinchandra D. Patel, Chris Hugh Senanayake, Thomas Gabriel Tampone, Xudong Wei
  • Publication number: 20170008903
    Abstract: Piperidino-dihydrothienopyrimidine sulfoxides of formula I wherein: Ring A is a 6-membered aromatic ring optionally comprising one or two nitrogen atoms and R is Cl and is located in the para-, meta-, or ortho-position of Ring A, S* is a sulphur atom that represents a chiral center, and all pharmaceutically acceptable salts, enantiomers and racemates, hydrates and solvates thereof and the use of these compounds for the treatment of inflammatory or allergic diseases of the respiratory tract such as COPD or asthma.
    Type: Application
    Filed: August 9, 2013
    Publication date: January 12, 2017
    Applicant: Boehringer Ingelheim International GmbH
    Inventors: Pascale A.J. POUZET, Peter NICKOLAUS, Ulrike WERTHMANN, Rogelio P. FRUTOS, Bing-Shiou YANG, Soojin KIM, Jason Alan MULDER, Nitinchandra D. PATEL, Chris Hugh SENANAYAKE, Thomas Gabriel TAMPONE, Xudong WEI
  • Patent number: 9029592
    Abstract: The present invention relates to a process of making a compound of formula (I): Wherein, R1, R2, R4 and X are as defined herein.
    Type: Grant
    Filed: February 7, 2013
    Date of Patent: May 12, 2015
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Keith R. Fandrick, Joe Ju Gao, Jason Alan Mulder, Nitinchandra D. Patel, Xingzhong Zeng
  • Publication number: 20150045376
    Abstract: Piperidino-dihydrothienopyrimidine sulfoxides of formula I wherein: Ring A is a 6-membered aromatic ring optionally comprising one or two nitrogen atoms and R is Cl and is located in the para-, meta-, or ortho-position of Ring A, S* is a sulphur atom that represents a chiral center, and all pharmaceutically acceptable salts, enantiomers and racemates, hydrates and solvates thereof and the use of these compounds for the treatment of inflammatory or allergic diseases of the respiratory tract such as COPD or asthma.
    Type: Application
    Filed: August 9, 2013
    Publication date: February 12, 2015
    Applicant: Boehringer Ingelheim International GmbH
    Inventors: Pascale A.J. POUZET, Peter NICKOLAUS, Ulrike WERTHMANN, Rogelio P. FRUTOS, Bing-Shiou YANG, Soojin KIM, Jason Alan MULDER, Nitinchandra D. PATEL, Chris Hugh SENANAYAKE, Thomas Gabriel TAMPONE, Xudong WEI
  • Patent number: 8633320
    Abstract: Disclosed are methods for the preparation of bromo-substituted quinolines of the formula (I) where R is aryl, heteroaryl, alkyl, alkenyl or alkynyl, which are useful as intermediates in the preparation of agents for the treatment of hepatitis C viral (HCV) infections: Formula (I).
    Type: Grant
    Filed: May 3, 2010
    Date of Patent: January 21, 2014
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Nitinchandra D. Patel, Chris H. Senanayake, Wenjun Tang, Xudong Wei, Nathan K. Yee
  • Patent number: 8609670
    Abstract: The invention relates to novel piperidino-dihydrothienopyrimidine sulfoxides of formula I, wherein Ring A is a 6-membered aromatic ring which may optionally comprise one or two nitrogen atoms and wherein R is Cl and wherein R may be located either in the para-, meta- or ortho-position of Ring A, wherein S* is a sulphur atom that represents a chiral center, and all pharmaceutically acceptable salts, enantiomers and racemates, hydrates and solvates thereof and the use of these compounds for the treatment of inflammatory or allergic diseases of the respiratory tract such as COPD or asthma.
    Type: Grant
    Filed: August 23, 2012
    Date of Patent: December 17, 2013
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Pascale A. J. Pouzet, Peter Nickolaus, Ulrike Werthmann, Rogelio Perez Frutos, Bing-Shiou Yang, Soojin Kim, Jason Alan Mulder, Nitinchandra D. Patel, Chris Hugh Sananayake, Thomas Gabriel Tampone, Xudong Wei
  • Publication number: 20130211130
    Abstract: The present invention relates to a process of making a compound of formula (I): Wherein, R1, R2, R4 and X are as defined herein.
    Type: Application
    Filed: February 7, 2013
    Publication date: August 15, 2013
    Applicant: Boehringer Ingelheim International Gmbh
    Inventors: Keith R. FANDRICK, Joe Ju GAO, Jason Alan MULDER, Nitinchandra D. PATEL, Xingzhong ZENG
  • Publication number: 20130079359
    Abstract: The invention relates to novel piperidino-dihydrothienopyrimidine sulfoxides of formula I, wherein Ring A is a 6-membered aromatic ring which may optionally comprise one or two nitrogen atoms and wherein R is Cl and wherein R may be located either in the para-, meta- or ortho-position of Ring A, wherein S* is a sulphur atom that represents a chiral center, and all pharmaceutically acceptable salts, enantiomers and racemates, hydrates and solvates thereof and the use of these compounds for the treatment of inflammatory or allergic diseases of the respiratory tract such as COPD or asthma.
    Type: Application
    Filed: August 23, 2012
    Publication date: March 28, 2013
    Applicant: BOEHRINGER INGELHEIM INTERNATIONAL GMBH
    Inventors: Pascale A.J. POUZET, Peter NICKOLAUS, Ulrike WERTHMANN, Rogelio Perez FRUTOS, Bing-Shiou YANG, Soojin KIM, Jason Alan MULDER, Nitinchandra D. PATEL, Chris Hugh SENANAYAKE, Thomas Gabriel TAMPONE, Xudong WEI
  • Publication number: 20130059866
    Abstract: The invention relates to novel piperidino-dihydrothienopyrimidine sulfoxides of formula I, wherein Ring A is a 6-membered aromatic ring which may optionally comprise one or two nitrogen atoms and wherein R is Cl and wherein R may be located either in the para-, meta- or ortho-position of Ring A, wherein S* is a sulphur atom that represents a chiral center, and all pharmaceutically acceptable salts, enantiomers and racemates, hydrates and solvates thereof and the use of these compounds for the treatment of inflammatory or allergic diseases of the respiratory tract such as COPD or asthma.
    Type: Application
    Filed: February 23, 2012
    Publication date: March 7, 2013
    Applicant: BOEHRINGER INGELHEIM INTERNATIONAL GMBH
    Inventors: Horst Dollinger, Rogelio Perez Frutos, Soojin Kim, Jason Alan Mulder, Peter Nickolaus, Nitinchandra D. Patel, Pascale Pouzet, Chris Hugh Senanayake, Thomas Gabriel Tampone, Xudong Wei, Ulrike Werthmann, Bing-Shiou Yang
  • Publication number: 20120165534
    Abstract: Disclosed are methods for the preparation of bromo-substituted quinolines of the formula (I) where R is aryl, heteroaryl, alkyl, alkenyl or alkynyl, which are useful as intermediates in the preparation of agents for the treatment of hepatitis C viral (HCV) infections: Formula (I).
    Type: Application
    Filed: May 3, 2010
    Publication date: June 28, 2012
    Applicant: BOEHRINGER INGELHEIM INTERNATIONAL GMBH
    Inventors: Nitinchandra D. Patel, Chris H. Senanayake, Wenjun Tang, Xudong Wei, Nathan K. Yee
  • Publication number: 20120142929
    Abstract: Disclosed are highly convergent processes for preparing compounds of formula (I), which compounds are useful as intermediates in the preparation of potent active agents for the treatment of hepatitis C virus (HCV) infection.
    Type: Application
    Filed: March 18, 2010
    Publication date: June 7, 2012
    Applicant: BOEHRINGER INGELHEIM INTERNATIONAL GMBH
    Inventors: Nitinchandra D. Patel, Chris H. Senanayake, Xudong Wei, Nathan K. Yee