Patents by Inventor Tanaji Shamrao Jadhav

Tanaji Shamrao Jadhav 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: 9688657
    Abstract: The present invention relates to a process for preparation of Dabigatran etexilate or pharmaceutically acceptable salt thereof. The present invention relates to novel compounds, in particular Ethyl-3-{[(2-formyl-1-methyl-1H-benzimidazole-5-yl)carbonyl]-(2-pyridinyl) amino}propanoate and Ethyl-3-{[(2-dichloromethyl-1-methyl-1H-benzimidazole-5-yl)carbonyl]-(2-pyridinyl)amino}propanoate and process for preparation thereof. The present invention further relates to the use of these novel compounds in the preparation of Dabigatran etexilate or pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: March 25, 2014
    Date of Patent: June 27, 2017
    Assignee: USV Private Limited
    Inventors: Laxmikant Narhari Patkar, Harish Kashinath Mondkar, Nitin Dnyaneshwar Arote, Sachin Shivaji Patil, Tanaji Shamrao Jadhav, Nitin Nivrutti Hagavane, Rajesh Ganpat Bhopalkar
  • Publication number: 20160060248
    Abstract: The present invention relates to a process for preparation of Dabigatran etexilate or pharmaceutically acceptable salt thereof. The present invention relates to novel compounds, in particular Ethyl-3-{[(2-formyl-1-methyl-1H-benzimidazole-5-yl)carobonyl]-(2-pyridinyl)amino}propanoate and Ethyl-3-{[(2-dichloromethyl-1-methyl-1H-benzimidazole-5-yl)carbonyl]-(2-pyridinyl)amino} propanoate and process for preparation thereof. The present invention further relates to the use of these novel compounds in the preparation of Dabigatran etexilate or pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: March 25, 2014
    Publication date: March 3, 2016
    Inventors: Laxmikant Narhari Patkar, Harish Kashinath Mondkar, Nitin Dnyaneshwar Arote, Sachin Shivaji Patil, Tanaji Shamrao Jadhav, Nitin Nivurtti Hagavane, Rajesh Ganpat Bhopalkar
  • Publication number: 20110263901
    Abstract: Disclosed herein is the process for the preparation of 1-(4-chlorophenyl)-5-isopropyl-biguanide hydrochloride (Proguanil hydrochloride), Formula-I, an antimalarial agent.
    Type: Application
    Filed: January 13, 2009
    Publication date: October 27, 2011
    Inventors: Dhananjay Govind Sathe, Harish Kashinath Mondkar, Tanaji Shamrao Jadhav, Nitin Nivrutti Hagavane
  • Publication number: 20110159087
    Abstract: Disclosed herein are pharmaceutical compositions comprising wet granulated bile acid sequestrants having the general Formula I shown, and their process of preparation. The present invention also discloses process for preparation of Colesevelam hydrochloride, an antilipemic agent.
    Type: Application
    Filed: September 2, 2009
    Publication date: June 30, 2011
    Inventors: Dhananjay Govind Sathe, Harish Kashinath Mondkar, Mantripragada Narayan Rao, Samadhan Daulat Patil, Tanaji Shamrao Jadhav, Ashok Omray, Varsha Shashank Choudhary, Yogesh Sharad Bhide
  • Publication number: 20100331516
    Abstract: The present invention discloses simple process for preparation of salt of polyallylamine polymer.
    Type: Application
    Filed: April 6, 2009
    Publication date: December 30, 2010
    Inventors: Govind Dhananjay Sathe, Harish Kashinath Mondkar, Tanaji Shamrao Jadhav, Samadhan Daulat Patil
  • Patent number: 7205436
    Abstract: An efficient, simple, high yielding, eco-friendly process for the manufacture of tosylates quaternary ammonium salts of cinnamidoalkylamines and/or benzamidoalkylamines (Formula I) has been described. These compounds are substantive UV-absorbers. They are useful in making fabric care products and personal care products. The scope of this methodology has been demonstrated by converting water soluble organic sunscreen quaternary halides to their corresponding tosylates of Formula VI.
    Type: Grant
    Filed: May 13, 2005
    Date of Patent: April 17, 2007
    Assignee: Galaxy Surfactants Limited
    Inventors: Nirmal Madhukar Koshti, Shubhangi Dattaram Naik, Bharat Bhikaji Parab, Tanaji Shamrao Jadhav, Subhash Shivling Nashte
  • Patent number: 7147866
    Abstract: Highly effective vesicular compositions from UV-absorbing lipids are described in the present invention. Combination of UV-absorbing property and the vesicular delivery system results in higher levels of photoprotection to skin and hair. The vesicular compositions of the present invention are made from cationic UV-absorbing lipids of Formula I wherein, ArCO is selected from cinnamoyl, p-methoxy cinnamoyl, p-N,N-dimethylamino benzoyl and combinations thereof, R1 is selected from saturated or unsaturated alkyl group with carbons ranging from C10 to C22.
    Type: Grant
    Filed: September 29, 2004
    Date of Patent: December 12, 2006
    Assignee: Galaxy Surfactants Limited
    Inventors: Nirmal Madhukar Koshti, Shubhangi Dattaram Naik, Tanaji Shamrao Jadhav
  • Patent number: 7045139
    Abstract: An efficient, simple, high yielding, eco-friendly process for the manufacture of tosylates quaternary ammonium salts of cinnamidoalkylamines and/or benzamidoalkylamines (Formula I) has been described. These compounds are substantive UV-absorbers. They are useful in making fabric care products and personal care products. The scope of this methodology has been demonstrated by converting water soluble organic sunscreen quaternary halides to their corresponding tosylates of Formula VI.
    Type: Grant
    Filed: October 8, 2003
    Date of Patent: May 16, 2006
    Assignee: Galaxy Surfactants Limited
    Inventors: Nirmal Madhukar Koshti, Shubhangi Dattaram Naik, Bharat Bhikaji Parab, Tanaji Shamrao Jadhav, Subhash Shivling Nashte
  • Patent number: 6613340
    Abstract: Substantive UV absorbing organic-soluble quaternary salts of cinnamidoalkylamine are described. Hair, skin and fabric care compositions containing the compounds of formula I. wherein R1 is a substituent, selected from H, halo, —OH, —NH2, —NO2, —OCH3, —N(CH3)2, alkyl groups containing from 1 to 6 carbon atoms, alkoxy groups containing from 1 to 6 carbon atoms, alkylamino or N,N-dialkylamino groups containing from 1 to 6 carbon atoms; R2 is selected from hydrogen, alkyl group containing from 1 to 12 carbon atoms; R3 and R4 are independently selected from benzyl, alkyl group containing from 1 to 12 carbon atoms; n is an integer from 1 to 6; R5 is selected from an alkyl group containing from 8 to 22 carbon atoms; alkenyl groups containing from 8 to 22 carbon atoms; R7 is selected from bromo, chloro, nitro, methyl and ethyl groups.
    Type: Grant
    Filed: July 31, 2001
    Date of Patent: September 2, 2003
    Assignee: Galaxy Surfactants Ltd.
    Inventors: Nirmal Madhukar Koshti, Arun Harchandra Jawale, Bharat Bhikaji Parab, Shubhangi Dattaram Naik, Manasi Dattatraya Moghe, Tanaji Shamrao Jadhav, Subhash Shivling Nashte
  • Publication number: 20030064083
    Abstract: Substantive UV absorbing organic-soluble quaternary salts of cinnamidoalkylamine are described. Hair, skin and fabric care compositions containing the compounds of formula I.
    Type: Application
    Filed: July 31, 2001
    Publication date: April 3, 2003
    Inventors: Nirmal Madhukar Koshti, Arun Harchandra Jawale, Bharat Bhikaji Parab, Shubhangi Dattaram Naik, Manasi Dattatraya Moghe, Tanaji Shamrao Jadhav, Subhash Shivling Nashte
  • Patent number: 6531628
    Abstract: Substantive UV-absorbing water-soluble 2-hydroxy sulfobetaine of cinnamidoalkylamines of Formula I. Hair, skin and fabric care compositions containing the compounds of Formula I. wherein, R1 is a substituent, selected from H, halo, —OH, —NH2, —NO2, —OCH3, —N(CH3)2, alkyl groups containing from 1 to 6 carbon atoms, alkoxy groups containing from 1 to 6 carbon atoms, alkylamino or N,N-dialkylamino groups containing from 1 to 6 carbon atoms; R2 is selected from hydrogen, alkyl group containing from 1 to 12 carbon atoms; R3 and R4 are independently selected from benzyl, alkyl group containing from 1 to 12 carbon atoms, n is an integer from 1 to 6.
    Type: Grant
    Filed: March 22, 2002
    Date of Patent: March 11, 2003
    Assignee: Galaxy Surfactants Ltd.
    Inventors: Nirmal Madhukar Koshti, Arun Harchandra Jawale, Bharat Bhikaji Parab, Shubhangi Dattaram Naik, Manasi Dattatraya Moghe, Tanaji Shamrao Jadhav, Subhash Shivling Nashte
  • Patent number: 6426435
    Abstract: Substantive UV-absorbing water-soluble quaternary salts of cinnamidoalkylamine of formula I. Hair, skin and fabric care compositions containing the compounds of formula I; wherein R1 represents up to four substituents, same or different, selected from H, halo, —OH, —NH2, —NO2, —OCH3, —N(CH3)2, alkyl groups containing up to 6 carbon atoms, alkoxy groups containing up to 6 carbon atoms, alkylamino or N,N-dialkylamino groups containing up to 6 carbon atoms; R2 is selected from hydrogen, alkyl group containing up to 6 carbon atoms; R3 and R4 are independently selected from benzyl, alkyl group containing up to 6 carbon atoms; n is an integer from 1 to 6; m is an integer from 1 to 10; X− is a counter anion of quaternary centres selected from halides including chloride, bromide, iodide and methane sulphonate and its derivatives such as trifluoro methane sulphonate, benzene sulphonates including its p-bromo, nitro and methyl derivative.
    Type: Grant
    Filed: July 31, 2001
    Date of Patent: July 30, 2002
    Assignee: Galaxy Surfactants Ltd.
    Inventors: Nirmal Madhukar Koshti, Arun Harchandra Jawale, Bharat Bhikaji Parab, Shubhangi Dattaram Naik, Manasi Dattatraya Moghe, Tanaji Shamrao Jadhav, Subhash Shivling Nashte
  • Publication number: 20020065435
    Abstract: Substantive UV-absorbing water-soluble quaternary salts of cinnamidoalkylamine of formula I. Hair, skin and fabric care compositions containing the compounds of formula I.
    Type: Application
    Filed: July 31, 2001
    Publication date: May 30, 2002
    Inventors: Nirmal Madhukar Koshti, Arun Harchandra Jawale, Bharat Bhikaji Parab, Shubhangi Dattaram Naik, Manasi Dattatraya Moghe, Tanaji Shamrao Jadhav, Subhash Shivling Nashte