Patents by Inventor Devendra Verma

Devendra Verma 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).

  • Self-assembled nano-fibers as hemostatic agent
    Patent number: 12280071
    Abstract: A composition has a polyanionic component comprising casein or derivatives thereof, and a polycationic component, which includes chitosan or derivatives thereof. The composition is in the form of nanofibers having a diameter in a range of 20-200 nm. Also disclosed is a process for preparing the composition and a hemostatic article with the composition. A method for inhibiting loss of blood from a hemorrhaging site involves use of the composition and the hemostatic article.
    Type: Grant
    Filed: April 17, 2020
    Date of Patent: April 22, 2025
    Assignee: NATIONAL INSTITUTE OF TECHNOLOGY ROURKELA
    Inventors: Devendra Verma, Sabir Hossain
  • NANO FIBROUS POLYELECTROLYTE COMPLEX FOR RAPID CONTROL OF HEMORRHAGE
    Publication number: 20230041921
    Abstract: A polyelectrolyte complex includes nanofibers. The nanofibers include at least one polycationic component and at least one polyanionic component. The nanofibers have a diameter in a range of 20-100 nm. A process for preparing the complex, a method of using the complex, a kit which includes the complex, and a method of inhibiting loss of blood from a wound site by applying the complex to the wound site are also provided.
    Type: Application
    Filed: December 31, 2019
    Publication date: February 9, 2023
    Inventors: Devendra VERMA, Sabir HOSSAIN
  • SELF-ASSEMBLED NANO-FIBERS AS HEMOSTATIC AGENT
    Publication number: 20220193115
    Abstract: A composition has a polyanionic component comprising casein or derivatives thereof, and a polycationic component, which includes chitosan or derivatives thereof. The composition is in the form of nanofibers having a diameter in a range of 20-200 nm. Also disclosed is a process for preparing the composition and a hemostatic article with the composition. A method for inhibiting loss of blood from a hemorrhaging site involves use of the composition and the hemostatic article.
    Type: Application
    Filed: April 17, 2020
    Publication date: June 23, 2022
    Inventors: Devendra VERMA, Sabir HOSSAIN
  • Biomaterial and methods of use thereof for the prevention of post-operative adhesions
    Patent number: 9757499
    Abstract: Biofunctional films and methods of use thereof for the prevention of post-operative adhesions are disclosed.
    Type: Grant
    Filed: December 12, 2014
    Date of Patent: September 12, 2017
    Assignee: Rutgers, The State University of New Jersey
    Inventors: Noshir Langrana, Devendra Verma, Michelle Previtera
  • Process for preparation of darunavir and darunavir ethanolate of fine particle size
    Patent number: 9062065
    Abstract: The present invention provides a novel process for preparation of darunavir that involves reduction of [(1S,2R)-3-[[(4-nitrophenyl)sulfonyl](2-methylpropyl)amino]-2-hydroxy-1-(phenylmethyl)propyl]carbamic acid (3R,3aS,6aR)-hexahydrofuro[2,3-b]furan-3-yl ester, of formula (5). The present invention also provides darunavir ethanolate of particle size wherein d0.9 is less than 130 ?m, d0.5 is less than 30 ?m, d0.1 is less than 10 ?m and process for its preparation.
    Type: Grant
    Filed: November 1, 2010
    Date of Patent: June 23, 2015
    Assignee: LUPIN LIMITED
    Inventors: Vijay Ahire, Sachin Sasane, Amol Deshmukh, Krishnat Kumbhar, Akshat Bhatnagar, Devendra Verma, Rajesh Vyas, Girij Pal Singh, Nandu Bhise
  • Process for preparation of darunavir and darunavir ethanolate of fine particle size
    Patent number: 9062067
    Abstract: The present invention provides a novel process for preparation of darunavir that involves reduction of [(1S,2R)-3-[[(4-nitrophenyl)sulfonyl](2-methylpropyl)amino]-2-hydroxy-1-(phenylmethyl)propyl]carbamic acid (3R,3aS,6aR)-hexahydrofuro[2,3-b]furan-3-yl ester, of formula (5). The present invention also provides darunavir ethanolate of particle size wherein d0.9 is less than 130 ?m, d0.5 is less than 30 ?m, d0.1 is less than 10 ?m and process for its preparation.
    Type: Grant
    Filed: November 8, 2013
    Date of Patent: June 23, 2015
    Assignee: LUPIN LIMITED
    Inventors: Vijay Ahire, Sachin Sasane, Amol Deshmukh, Krishnat Kumbhar, Akshat Bhatnagar, Devendra Verma, Rajesh Vyas, Girij Pal Singh, Nandu Bhise
  • Biomaterial and Methods of Use Thereof for the Prevention of Post-operative Adhesions
    Publication number: 20150098970
    Abstract: Biofunctional films and methods of use thereof for the prevention of post-operative adhesions are disclosed.
    Type: Application
    Filed: December 12, 2014
    Publication date: April 9, 2015
    Inventors: Noshir Langrana, Devendra Verma, Michelle Previtera
  • NOVEL PROCESS FOR PREPARATION OF DARUNAVIR AND DARUNAVIR ETHANOLATE OF FINE PARTICLE SIZE
    Publication number: 20140066638
    Abstract: The present invention provides a novel process for preparation of darunavir that involves reduction of [(1S,2R)-3-[[(4-nitrophenyl)sulfonyl](2-methylpropyl)amino]-2-hydroxy-1-(phenylmethyl)propyl]carbamic acid (3R,3aS,6aR)-hexahydrofuro[2,3-b]furan-3-yl ester, of formula (5). The present invention also provides darunavir ethanolate of particle size wherein d0.9 is less than 130 ?m, d0.5 is less than 30 ?m, d0.1 is less than 10 ?m and process for its preparation.
    Type: Application
    Filed: November 8, 2013
    Publication date: March 6, 2014
    Applicant: Lupin Limited
    Inventors: Vijay AHIRE, Sachin SASANE, Amol DESHMUKH, Krishnat KUMBHAR, Akshat BHATNAGAR, Devendra VERMA, Rajesh VYAS, Girij Pal SINGH, Nandu BHISE
  • NOVEL PROCESS FOR PREPARATION OF DARUNAVIR AND DARUNAVIR ETHANOLATE OF FINE PARTICLE SIZE
    Publication number: 20120237770
    Abstract: The present invention provides a novel process for preparation of darunavir that involves reduction of [(1S,2R)-3-[[(4-nitrophenyl)sulfonyl](2-methylpropyl)amino]-2-hydroxy -1-(phenylmethyl)propyl]carbamic acid (3R,3aS,6aR)-hexahydrofuro[2,3-b]furan-3-yl ester, of formula (5). The present invention also provides darunavir ethanolate of particle size wherein d0.9 is less than 130 ?m, d0.5 is less than 30 ?m, d0.1 is less than 10 ?m and process for its preparation.
    Type: Application
    Filed: November 1, 2010
    Publication date: September 20, 2012
    Applicant: Lupin Limited
    Inventors: Vijay Ahire, Sachin Sasane, Amol Deshmukh, Krishnat Kumbhar, Akshat Bhatnagar, Devendra Verma, Rajesh Vyas, Girij Pal Singh, Nandu Bhise
  • Composites and methods of preparation and use thereof
    Publication number: 20080181926
    Abstract: The invention provides composites, methods for their preparation, composites prepared according to the methods, and methods for using the composites.
    Type: Application
    Filed: October 15, 2007
    Publication date: July 31, 2008
    Applicant: NDSU Research Foundation
    Inventors: Kalpana S. Katti, Devendra Verma, Dinesh R. Katti