Patents by Inventor Veera Reddy Arava

Veera Reddy Arava 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: 10954191
    Abstract: The present application provides novel process for the preparation of glycopyrrolate tosylate.
    Type: Grant
    Filed: March 12, 2018
    Date of Patent: March 23, 2021
    Assignee: Sol-Gel Technologies Ltd.
    Inventors: Stephen Cherkez, Veera Reddy Arava, Madhusudhanarao Rayapureddi, Venkateswarlu Jasti
  • Patent number: 10947191
    Abstract: This invention is directed to a process for the preparation of glycopyrrolate tosylate comprising the step of reacting a halogen salt of glycopyrrolate with tosylic acid or a salt thereof in the presence of hydrogen peroxide and at least one unsaturated organic agent.
    Type: Grant
    Filed: July 26, 2018
    Date of Patent: March 16, 2021
    Assignee: Sol-Gel Technologies Ltd.
    Inventors: Veera Reddy Arava, Madhusudhanarao Rayapureddi, Venkateswarlu Jasti
  • Publication number: 20200377455
    Abstract: The present application provides novel process for the preparation of glycopyrrolate tosylate.
    Type: Application
    Filed: March 12, 2018
    Publication date: December 3, 2020
    Applicant: SOL-GEL TECHNOLOGIES LTD.
    Inventors: Stephen CHERKEZ, Veera Reddy ARAVA, Madhusudhanarao RAYAPUREDDI, Venkateswarlu JASTI
  • Publication number: 20200377456
    Abstract: This invention is directed to a process for the preparation of glycopyrrolate tosylate comprising the step of reacting a halogen salt of glycopyrrolate with tosylic acid or a salt thereof in the presence of hydrogen peroxide and at least one unsaturated organic agent.
    Type: Application
    Filed: July 26, 2018
    Publication date: December 3, 2020
    Applicant: SOL-GEL TECHNOLOGIES LTD.
    Inventors: Veera Reddy ARAVA, Madhusudhanarao RAYAPUREDDI, Venkateswarlu JASTI
  • Publication number: 20180105609
    Abstract: The present invention provides an improved process for the preparation of Ferric carboxymaltose (FCM) complex. In this process the oxidation of maltodextrins are carried out by using an organic hypo halite in the presence of a catalyst and a phase transfer catalyst and later complex formation with ferric salt or ferric hydroxide or iron hydroxide maltodextrin complex.
    Type: Application
    Filed: May 6, 2015
    Publication date: April 19, 2018
    Inventors: Udaya Bhaskara Rao Siripalli, Lakshmi Narasimhulu Gorentla, Veera Reddy Arava, Mohana Rao Manam, Venkateswarlu Jasti
  • Patent number: 9783506
    Abstract: The present invention provides a process for the large scale production of 1H-[1,2,3]triazole of formula (I) and its intermediate 1-benzyl-1H-[1,2,3]triazole of formula (II) by using benzyl azide and vinyl acetate as starting materials. This process is economical, environment friendly and safer by avoiding use of special equipment.
    Type: Grant
    Filed: January 27, 2014
    Date of Patent: October 10, 2017
    Assignee: SUVEN LIFE SCIENCES LIMITED
    Inventors: Veera Reddy Arava, Sashibhushan Malreddy, Chalapathi Lagupudi, Venkateswarlu Jasti
  • Patent number: 9518028
    Abstract: The present invention relates to process for the preparation of 7-[4-(4-fluorophenyl)-6-isopropyl-2-(N-methyl-N-methylsulfonylamino)pyrimidin-5-yl]-(3R,5S)-dihydroxy-(E)-6-heptenoic acid calcium having formula (I). The compound of formula (I) has adopted name “Rosuvastatin Calcium”. The present invention is also related to novel intermediates of formula (4) and formula (5) used in preparation of formula (I), and process of their preparation.
    Type: Grant
    Filed: November 18, 2013
    Date of Patent: December 13, 2016
    Assignee: SUVEN LIFE SCIENCES LIMITED
    Inventors: Udaya Bhaskara Rao Siripalli, Veera Reddy Arava, Rajendiran Chinnapillai, Anji Reddy Middekadi, Naresh Raju Makaraju, Venkateswarlu Jasti
  • Publication number: 20160304468
    Abstract: The present invention relates to process for the preparation of 7-[4-(4-fluorophenyl)-6-isopropyl-2-(N-methyl-N-methylsulfonylamino)pyrimidin-5-yl]-(3R,5S)-dihydroxy-(E)-6-heptenoic acid calcium having formula (I). The compound of formula (I) has adopted name “Rosuvastatin Calcium”. The present invention is also related to novel intermediates of formula (4) and formula (5) used in preparation of formula (I), and process of their preparation.
    Type: Application
    Filed: November 18, 2013
    Publication date: October 20, 2016
    Applicant: SUVEN LIFE SCIENCES LIMITED
    Inventors: Udaya Bhaskara Rao SIRIPALLI, Veera Reddy ARAVA, Rajendiran CHINNAPILLAI, Anji Reddy MIDDEKADI, Naresh Raju MAKARAJU, Venkateswarlu JASTI
  • Publication number: 20160200691
    Abstract: The present invention provides a process for the large scale production of 1H-[1,2,3]triazole of formula (I) and its intermediate 1-benzyl-1H-[1,2,3]triazole of formula (II) by using benzyl azide and vinyl acetate as starting materials. This process is economical, environment friendly and safer by avoiding use of special equipment.
    Type: Application
    Filed: January 27, 2014
    Publication date: July 14, 2016
    Applicant: SUVEN LIFE SCIENCES LIMITED
    Inventors: Veera Reddy Arava, Sashibhushan Malreddy, Chalapathi Lagupudi, Venkateswarlu Jasti
  • Patent number: 8138366
    Abstract: The present invention relates to the improved process for the preparation of highly pure form of S-[1,2-(dicarbethoxy)-ethyl]O,O-dimethyl phosphorodithioate having formula (I). The compound of formula (I) has adopted name “Malathion”. The present invention also relates to the novel process of preparing intermediate O,O-dimethyldithiophosphoric acid of formula (II), which is useful in the preparation of Malathion.
    Type: Grant
    Filed: April 28, 2008
    Date of Patent: March 20, 2012
    Assignee: Suven Life Sciences Limited
    Inventors: Veera Reddy Arava, Vaishali Nadkarni, Venkateswarlu Jasti
  • Patent number: 7872132
    Abstract: An improved process for the preparation of aripiprazole (1) which comprises (i) reacting 6-hydroxy-l-indanone (11) with 1,4-dihalobutane (12) in the presence of a base and a solvent at a temperature in the range of 90 to 110 deg C to form the novel intermediate 6-(4-halo butoxy)-indan-1-one (3), (ii) reacting the novel intermediate with 1-(2,3-clichlorophenyl)-piperazine (9) to get another novel intermediate 6-[4-[4-(2,3-dichlorophenyl)-l-piperazinyl]butoxy]-indan-l-one (2) and (iii) reacting the resulting novel compound with sodium azide. The invention also relates to the novel intermediates of the formulae (2) & (3) and processes for their preparation. The invention also includes intermediate compounds useful for the preparation of aripiprazole.
    Type: Grant
    Filed: October 8, 2004
    Date of Patent: January 18, 2011
    Assignee: Suven Life Sciences Limited
    Inventors: Rajendiran Chinnapillai, Veera Reddy Arava, Venkata Subba Rao Athukuru, Venkateswarlu Jasti
  • Publication number: 20100204501
    Abstract: The present invention relates to the improved process for the preparation of highly pure form of S-[1,2-(dicarbethoxy)-ethyl]O,O-dimethyl phosphorodithioate having formula (I). The compound of formula (I) has adopted name “Malathion”. The present invention also relates to the novel process of preparing intermediate O,O-dimethyldithiophosphoric acid of formula (II), which is useful in the preparation of Malathion. The Malathion prepared by the process of this invention is highly storage stable and toxic impurities are much lower than any other commercial preparation available for the pharmaceutical purpose.
    Type: Application
    Filed: April 28, 2008
    Publication date: August 12, 2010
    Applicant: SUVEN LIFE SCIENCES LIMITED
    Inventors: Veera Reddy Arava, Vaishali Nadkarni, Venkateswarlu Jasti
  • Publication number: 20090203907
    Abstract: An improved process for the preparation of aripiprazole (1) which comprises (i) reacting 6-hydroxy-l-indanone (11) with 1,4-dihalobutane (12) in the presence of a base and a solvent at a temperature in the range of 90 to 110 deg C. to form the novel intermediate 6-(4-halo butoxy)-indan-1-one (3), (ii) reacting the novel intermediate with 1-(2,3-clichlorophenyl)-piperazine (9) to get another novel intermediate 6-[4-[4-(2,3-dichlorophenyl)-l-piperazinyl]butoxy]-indan-l-one (2) and (iii) reacting the resulting novel compound with sodium azide. The invention also relates to the novel intermediates of the formulae (2) & (3) and processes for their preparation. The invention also includes intermediate compounds useful for the preparation of aripiprazole.
    Type: Application
    Filed: October 8, 2004
    Publication date: August 13, 2009
    Inventors: Rajendiran Chinnapillai, Veera Reddy Arava, Venkata Subba Rao Athukuru, Venkateswarlu Jasti