Patents Assigned to Chemgreen Innovation Inc.
  • Multi-functional anti-microbial polymers and compositions containing same
    Patent number: 11497701
    Abstract: The present disclosure relates to multi-functional anti-microbial polymers comprising a first monomer having a polymerizable cyclic aromatic moiety which forms part of the backbone of the polymer and a second monomer having an ethylenically unsaturated monomer having a double or triple bond and a quaternary ammonium or quaternary phosphonium moiety.
    Type: Grant
    Filed: September 22, 2016
    Date of Patent: November 15, 2022
    Assignee: CHEMGREEN INNOVATION INC.
    Inventors: Khashayar Ghandi, Zahid Mahimwalla, Michael Kairiss, Yang Tan, Felix Baerlocher
  • Anti-microbial polymer incorporating a quaternary ammonium group
    Patent number: 10993437
    Abstract: The present disclosure relates to antimicrobial polymers which impart prolonged antimicrobial activity to a surface or in a solution, the polymers comprising as repeating monomers a polymerizable cyclic moiety forming part of the polymer backbone and an anti-microbial moiety such as a quaternary ammonium moiety in the side chain. The polymer may further comprise polymerizable units of at least one unsaturated monomer having an ethylenically unsaturated double or triple bond.
    Type: Grant
    Filed: June 18, 2014
    Date of Patent: May 4, 2021
    Assignee: Chemgreen Innovation Inc.
    Inventors: Khashayar Ghandi, Zahid Shabbir Mahimwalla, Felix Baerlocher
  • Cellulose-polymer composites for solar cells
    Patent number: 10121971
    Abstract: The present disclosure relates to a cellulose-polymer composite solar cell that is substantially biodegradable and fabricated using environmentally friendly materials and methods. The polymer solar cell comprises an electrically conductive cellulose-polymer composite and an electrically semiconductive cellulose-polymer composite.
    Type: Grant
    Filed: June 21, 2013
    Date of Patent: November 6, 2018
    Assignee: ChemGreen Innovation Inc.
    Inventors: Khashayar Ghandi, Yang Tan, Fraser Burns, Sean Robertson, Zahid Shabbir Mahimwalla
  • Nanostructured microbial sensors
    Patent number: 10006876
    Abstract: The present invention relates to the detection of microbial organisms using non-toxic nanostructured sensors that change their physical or chemical properties upon detecting these microbial organisms. These sensors allow an unskilled person to rapidly detect the presence of microbial contamination.
    Type: Grant
    Filed: November 3, 2014
    Date of Patent: June 26, 2018
    Assignee: ChemGreen Innovation Inc.
    Inventors: Khashayar Ghandi, Zahid Mahimwalla, Tan Yang, Cody Landry
  • Process for the production of polystyrene in an ionic liquid and novel polymers thereof
    Patent number: 8791188
    Abstract: The present disclosure relates a polymer composite comprising a polystyrene or a polystyrene derivative comprising styrene or styrene derivative monomer units in which at least about 1% (mole fraction) of a phosphonium ion salt ionic liquid is incorporated into the structure of the polystyrene or polystyrene derivative, and processes for the production thereof.
    Type: Grant
    Filed: March 24, 2010
    Date of Patent: July 29, 2014
    Assignee: ChemGreen Innovations Inc.
    Inventor: Khashayar Ghandi
  • Magnetic nanocomposite material and processes for the production thereof
    Patent number: 8591759
    Abstract: The present disclosure relates to magnetic nanocomposite materials, and processes for the production thereof. In particular, the present disclosure relates to nanocomposites comprising magnetic nanoparticles surrounded by a polymer, which is bonded to a biodegradable polymer.
    Type: Grant
    Filed: May 31, 2012
    Date of Patent: November 26, 2013
    Assignee: Chemgreen Innovation Inc.
    Inventors: Khashayar Ghandi, Paul Themens