Patents by Inventor Premnath Venugopalan

Premnath Venugopalan 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).

  • Shaped objects for use in security applications
    Patent number: 11352750
    Abstract: The present invention disclosed a shaped object comprising nano cellulose alone or a composition of nano cellulose for inclusion in a paper product and process for preparation thereof. The present invention further disclosed a paper product having the shaped objects incorporated therein. The shaped objects are used as a security feature for identifying and authenticating security documents.
    Type: Grant
    Filed: September 20, 2018
    Date of Patent: June 7, 2022
    Assignee: Council of Scientific & Industrial Research
    Inventors: Kadhiravan Shanmuganathan, Premnath Venugopalan, Tushar Ambone
  • Highly crystalline spherical silk fibroin micro-particles and a process for preparation thereof
    Patent number: 11046737
    Abstract: The present invention provides silk fibroin micro-particles having a high crystallinity index (1.3-1.5) and low sphericity index (?0.01) and a process for the preparation thereof. The high crystallinity index confers longer degradation periods to the instant silk fibroin micro-particles, therefore facilitating their use in biomedical applications.
    Type: Grant
    Filed: January 6, 2016
    Date of Patent: June 29, 2021
    Assignee: COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCH
    Inventors: Anuya Amol Nisal, Premnath Venugopalan, Bhakti Dnyaneshwar Khude
  • A CELLULOSE PAPER COMPOSITE AND PROCESS FOR PREPARATION THEREOF
    Publication number: 20200340182
    Abstract: The present invention relates to a cellulose paper composite having enhanced ear propagation strength, ratio of tensile strength for cut and uncut paper, tensile strength and tensile modulus. The present invention further relates to a process for the preparation of cellulose paper composite having enhanced tensile strength and tensile modulus.
    Type: Application
    Filed: October 5, 2018
    Publication date: October 29, 2020
    Inventors: Kadhiravan Shanmuganathan, Premnath Venugopalan, Tushar Ambone
  • SHAPED OBJECTS FOR USE IN SECURITY APPLICATIONS
    Publication number: 20200217017
    Abstract: The present invention disclosed a shaped object comprising nano cellulose alone or a composition of nano cellulose for inclusion in a paper product and process for preparation thereof. The present invention further disclosed a paper product having the shaped objects incorporated therein. The shaped objects are used as a security feature for identifying and authenticating security documents.
    Type: Application
    Filed: September 20, 2018
    Publication date: July 9, 2020
    Inventors: Kadhiravan SHANMUGANATHAN, Premnath VENUGOPALAN, Tushar AMBONE
  • Highly Crystalline Spherical Silk Fibroin Micro-Particles and A Process For Preparation Thereof
    Publication number: 20180273592
    Abstract: The present invention provides silk fibroin micro-particles having a high crystallinity index (1.3-1.5) and low sphericity index (?0.01) and a process for the preparation thereof. The high crystallinity index confers longer degradation periods to the instant silk fibroin micro-particles, therefore facilitating their use in biomedical applications.
    Type: Application
    Filed: January 6, 2016
    Publication date: September 27, 2018
    Inventors: Anuya Amol NISAL, Premnath VENUGOPALAN, Bhakti Dnyaneshwar KHUDE
  • PCDA-PHBV electrospun adherent mats as authentication feature
    Patent number: 9569906
    Abstract: The present invention discloses the adherent PHBV-PCDA electrospun mats on paper for use as an authentication feature. Further disclosed herein is the process for preparation of adherent PHBV-PCDA electrospun mats and use of the above product to authenticate cigarettes.
    Type: Grant
    Filed: July 31, 2014
    Date of Patent: February 14, 2017
    Assignee: COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCH
    Inventors: Premnath Venugopalan, Jyoti Prakash Jog, Sachin Dubey, Usman Khan
  • SILK FIBROIN SECURITY FIBERS CONTAINING SECURITY MARKERS AND A PROCESS FOR THE PREPARATION THEREOF
    Publication number: 20160325579
    Abstract: Present invention discloses loaded silk fibroin fibers as security features. Particularly, it provides security fiber comprising silk fibroin loaded with fluorescent chromophore or IR absorbing chromophore useful to combat counterfeiting. The invention discloses paper composition containing loaded silk fibroin fibers, provides method for authentication of paper embedded with security features.
    Type: Application
    Filed: January 5, 2015
    Publication date: November 10, 2016
    Inventors: Ashwinikumar Ramesh Sharma, Premnath Venugopalan, Sangeeta Sunil Hambir
  • PCDA-PHBV ELECTROSPUN ADHERENT MATS AS AUTHENTICATION FEATURE
    Publication number: 20160180625
    Abstract: The present invention discloses the adherent PHBV-PCDA electrospun mats on paper for use as an authentication feature. Further disclosed herein is the process for preparation of adherent PHBV-PCDA electrospun mats and use of the above product to authenticate cigarettes.
    Type: Application
    Filed: July 31, 2014
    Publication date: June 23, 2016
    Inventors: Premnath VENUGOPALAN, Prakash Jyoti JOG, Sachin DUBEY, Usman KHAN
  • Radiation and melt treated ultra high molecular weight polyethylene prosthetic devices
    Patent number: 8865788
    Abstract: A medical prosthesis for use within the body which is formed of radiation treated ultra high molecular weight polyethylene having substantially no detectable free radicals, is described. Preferred prostheses exhibit reduced production of particles from the prosthesis during wear of the prosthesis, and are substantially oxidation resistant. Methods of manufacture of such devices and material used therein are also provided.
    Type: Grant
    Filed: January 19, 2001
    Date of Patent: October 21, 2014
    Assignees: The General Hospital Corporation, Massachusetts Institute of Technology
    Inventors: Edward W. Merrill, William H. Harris, Murali Jasty, Charles R. Bragdon, Daniel O. O'Connor, Premnath Venugopalan
  • Radiation melt treated ultra high molecular weight polyethylene prosthetic devices
    Patent number: 8563623
    Abstract: A medical prosthesis for use within the body which is formed of radiation treated ultra high molecular weight polyethylene having substantially no detectable free radicals, is described. Preferred prostheses exhibit reduced production of particles from the prosthesis during wear of the prosthesis, and are substantially oxidation resistant. Methods of manufacture of such devices and material used therein are also provided.
    Type: Grant
    Filed: December 8, 2004
    Date of Patent: October 22, 2013
    Assignees: The General Hospital Corporation, Massachusetts Institute of Technology
    Inventors: Edward W. Merrill, William H. Harris, Murali Jasty, Orhun Muratoglu, Charles R. Bragdon, Daniel O. O'Connor, Premnath Venugopalan
  • Radiation and melt treated ultra high molecular weight polyethylene prosthetic devices
    Patent number: 8263676
    Abstract: A medical prosthesis for use within the body which is formed of radiation treated ultra high molecular weight polyethylene having substantially no detectable free radicals, is described. Preferred prostheses exhibit reduced production of particles from the prosthesis during wear of the prosthesis, and are substantially oxidation resistant. Methods of manufacture of such devices and material used therein are also provided.
    Type: Grant
    Filed: December 23, 2010
    Date of Patent: September 11, 2012
    Assignees: The General Hospital Corporation, Massachusetts Institute of Technology
    Inventors: Edward W. Merrill, William H. Harris, Murali Jasty, Orhun K. Muratoglu, Charles R. Bragdon, Daniel O. O'Connor, Premnath Venugopalan
  • RADIATION AND MELT TREATED ULTRA HIGH MOLECULAR WEIGHT POLYETHYLENE PROSTHETIC DEVICES
    Publication number: 20120060852
    Abstract: A medical prosthesis for use within the body which is formed of radiation treated ultra high molecular weight polyethylene having substantially no detectable free radicals, is described. Preferred prostheses exhibit reduced production of particles from the prosthesis during wear of the prosthesis, and are substantially oxidation resistant. Methods of manufacture of such devices and material used therein are also provided.
    Type: Application
    Filed: November 14, 2011
    Publication date: March 15, 2012
    Applicants: Massachusetts Institute of Technology, The General Hospital Corporation
    Inventors: Edward W. Merrill, William H. Harris, Murali Jasty, Orhun Muratoglu, Charles R. Bragdon, Daniel O. O'Connor, Premnath Venugopalan
  • RADIATION AND MELT TREATED ULTRA HIGH MOLECULAR WEIGHT POLYETHYLENE PROSTHETIC DEVICES
    Publication number: 20120016051
    Abstract: A medical prosthesis for use within the body which is formed of radiation treated ultra high molecular weight polyethylene having substantially no detectable free radicals, is described. Preferred prostheses exhibit reduced production of particles from the prosthesis during wear of the prosthesis, and are substantially oxidation resistant. Methods of manufacture of such devices and material used therein are also provided.
    Type: Application
    Filed: December 23, 2010
    Publication date: January 19, 2012
    Applicants: Massachusetts Institute of Technology, The General Hospital Corporation
    Inventors: Eward W. Merrill, William H. Harris, Murali Jasty, Orhun Muratoglu, Charles R. Bragdon, Daniel O. O'Connor, Premnath Venugopalan
  • Radiation and melt treated ultra high molecular weight polyethylene prosthetic devices
    Patent number: 7858671
    Abstract: A medical prosthesis for use within the body which is formed of radiation treated ultra high molecular weight polyethylene having substantially no detectable free radicals, is described. Preferred prostheses exhibit reduced production of particles from the prosthesis during wear of the prosthesis, and are substantially oxidation resistant. Methods of manufacture of such devices and material used therein are also provided.
    Type: Grant
    Filed: July 29, 2004
    Date of Patent: December 28, 2010
    Assignees: The General Hospital Corporation, Massachusetts Institute of Technology
    Inventors: Edward W. Merrill, William H. Harris, Murali Jasty, Orhun Muratoglu, Charles R. Bragdon, Daniel O. O'Connor, Premnath Venugopalan
  • RADIATION AND MELT TREATED ULTRA HIGH MOLECULAR WEIGHT POLYETHYLENE PROSTHETIC DEVICES
    Publication number: 20090105364
    Abstract: A medical prosthesis for use within the body which is formed of radiation treated ultra high molecular weight polyethylene having substantially no detectable free radicals, is described. Preferred prostheses exhibit reduced production of particles from the prosthesis during wear of the prosthesis, and are substantially oxidation resistant. Methods of manufacture of such devices and material used therein are also provided.
    Type: Application
    Filed: December 12, 2008
    Publication date: April 23, 2009
    Applicants: The General Hospital Corporation, Massachusetts Institute of Technology
    Inventors: Edward W. Merrill, William H. Harris, Murali Jasty, Orhun Muratoglu, Charles R. Bragdon, Daniel O. O'Connor, Premnath Venugopalan
  • Radiation and melt treated ultra high molecular weight polyethylene prosthetic devices
    Publication number: 20050267594
    Abstract: A medical prosthesis for use within the body which is formed of radiation treated ultra high molecular weight polyethylene having substantially no detectable free radicals, is described. Preferred prostheses exhibit reduced production of particles from the prosthesis during wear of the prosthesis, and are substantially oxidation resistant. Methods of manufacture of such devices and material used therein are also provided.
    Type: Application
    Filed: July 20, 2005
    Publication date: December 1, 2005
    Applicants: The General Hospital Corporation, Massachusetts Institute of Technology
    Inventors: Edward Merrill, William Harris, Murali Jasty, Charles Bragdon, Daniel O'Connor, Premnath Venugopalan
  • Radiation melt treated ultra high molecular weight polyethylene prosthetic devices
    Publication number: 20050165495
    Abstract: A medical prosthesis for use within the body which is formed of radiation treated ultra high molecular weight polyethylene having substantially no detectable free radicals, is described. Preferred prostheses exhibit reduced production of particles from the prosthesis during wear of the prosthesis, and are substantially oxidation resistant. Methods of manufacture of such devices and material used therein are also provided.
    Type: Application
    Filed: December 8, 2004
    Publication date: July 28, 2005
    Applicants: The General Hospital Corporation, Massachusetts Institute of Technology
    Inventors: Edward Merrill, William Harris, Murali Jasty, Orhun Muratoglu, Charles Bragdon, Daniel O'Connnor, Premnath Venugopalan
  • Radiation and melt treated ultra high molecular weight polyethylene prosthetic devices
    Publication number: 20050096749
    Abstract: A medical prosthesis for use within the body which is formed of radiation treated ultra high molecular weight polyethylene having substantially no detectable free radicals, is described. Preferred prostheses exhibit reduced production of particles from the prosthesis during wear of the prosthesis, and are substantially oxidation resistant. Methods of manufacture of such devices and material used therein are also provided.
    Type: Application
    Filed: December 9, 2004
    Publication date: May 5, 2005
    Applicants: The General Hospital Corporation, Massachusetts Institute of Technology
    Inventors: Edward Marrill, William Harris, Murali Jasty, Orhun Muratoglu, Charles Bragdon, Daniel O'Connor, Premnath Venugopalan
  • Radiation and melt treated ultra high molecular weight polyethylene prosthetic devices
    Publication number: 20050056971
    Abstract: A medical prosthesis for use within the body which is formed of radiation treated ultra high molecular weight polyethylene having substantially no detectable free radicals, is described. Preferred prostheses exhibit reduced production of particles from the prosthesis during wear of the prosthesis, and are substantially oxidation resistant. Methods of manufacture of such devices and material used therein are also provided.
    Type: Application
    Filed: September 24, 2004
    Publication date: March 17, 2005
    Inventors: Edward Merrill, William Harris, Murali Jasty, Charles Bragdon, Daniel O'Connor, Premnath Venugopalan
  • Radiation and melt treated ultra high molecular weight polyethylene prosthetic devices
    Publication number: 20050006821
    Abstract: A medical prosthesis for use within the body which is formed of radiation treated ultra high molecular weight polyethylene having substantially no detectable free radicals, is described. Preferred prostheses exhibit reduced production of particles from the prosthesis during wear of the prosthesis, and are substantially oxidation resistant. Methods of manufacture of such devices and material used therein are also provided.
    Type: Application
    Filed: July 29, 2004
    Publication date: January 13, 2005
    Applicants: The General Hospital Corporation, Massachusetts Institute of Technology
    Inventors: Edward Merrill, William Harris, Murali Jasty, Orhun Muratoglu, Charles Bragdon, Daniel O'Connor, Premnath Venugopalan