Patents by Inventor Semali Priyanthi Perera

Semali Priyanthi Perera 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).

  • Publication number: 20240042363
    Abstract: The present invention provides a gas filter comprising an active element and a housing structure for said active element, said housing structure comprising a gas inlet and a gas outlet, said active element comprising or consisting of: a matrix material; a CO2 sorbent; and water, wherein at least some of the CO2 sorbent is embedded within the matrix material.
    Type: Application
    Filed: December 7, 2021
    Publication date: February 8, 2024
    Inventors: Semali Priyanthi PERERA, Barry David CRITTENDEN, Olivier CAMUS, Yong-Min CHEW, Ramya G
  • Patent number: 11779874
    Abstract: The present invention provides an air filter comprising a polymer foam and an adsorbent material wherein said polymer foam comprises metal particles.
    Type: Grant
    Filed: April 18, 2018
    Date of Patent: October 10, 2023
    Assignee: University of Bath
    Inventors: Semali Priyanthi Perera, Barry David Crittenden, Olivier Camus, Yong-Min Chew, Ramya G
  • Publication number: 20200338493
    Abstract: The present invention provides an air filter comprising a polymer foam and an adsorbent material wherein said polymer foam comprises metal particles.
    Type: Application
    Filed: April 18, 2018
    Publication date: October 29, 2020
    Inventors: Semali Priyanthi PERERA, Barry David CRITTENDEN, Olivier CAMUS, Yong-Min CHEW, Ramya G
  • Patent number: 8669200
    Abstract: A hollow fibre containing one or more layers having a mean pore size in one or more of said layers of less than 100?m. The invention also extends to a method for preparing porous hollow fibres and to the apparatus for preparing said fibres.
    Type: Grant
    Filed: July 7, 2006
    Date of Patent: March 11, 2014
    Assignee: The University of Bath
    Inventors: Semali Priyanthi Perera, Chin-Chih Tai
  • Publication number: 20140020560
    Abstract: An adsorption unit comprising an adsorbent hollow fibre in which the fibre includes an active component and means for transmitting heat.
    Type: Application
    Filed: September 24, 2013
    Publication date: January 23, 2014
    Applicant: Nano-Porous Solutions Limited
    Inventors: Semali Priyanthi PERERA, Chin-Chih TAI
  • Patent number: 8540810
    Abstract: An adsorption unit comprising an adsorbent hollow fiber in which the fiber includes an active component and means for transmitting heat.
    Type: Grant
    Filed: March 14, 2008
    Date of Patent: September 24, 2013
    Assignee: Nano-Porous Solutions Limited
    Inventors: Semali Priyanthi Perera, Chin-Chih Tai
  • Publication number: 20100035751
    Abstract: An adsorption unit comprising an adsorbent hollow fibre in which the fibre includes an active component and means for transmitting heat.
    Type: Application
    Filed: March 14, 2008
    Publication date: February 11, 2010
    Inventors: Semali Priyanthi Perera, Chin-Chih Tai
  • Publication number: 20090305871
    Abstract: A hollow fibre containing one or more layers having a mean pore size in one or more of said layers of less than 100 ?m. The invention also extends to a method for preparing porous hollow fibres and to the apparatus for preparing said fibres.
    Type: Application
    Filed: July 7, 2006
    Publication date: December 10, 2009
    Inventors: Semali Priyanthi Perera, Chin-Chin Tai
  • Publication number: 20090220612
    Abstract: A biocompatible drug delivery device in which the mean pore size in one or more layers is less than 100 ?m. The device may be a hollow fibre or a membrane comprising a number of hollow fibres or a microsphere. The invention also extends to a method for preparing porous hollow fibres or microspheres, to the apparatus for preparing said fibres and to the use of the fibres as drug delivery devices.
    Type: Application
    Filed: November 3, 2006
    Publication date: September 3, 2009
    Inventor: Semali Priyanthi Perera