Patents by Inventor Parakalan Krishnamachari

Parakalan Krishnamachari 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).

  • Biodegradable composite materials
    Patent number: 8691893
    Abstract: A method of making a biodegradable composite is carried out by: (a) providing an aqueous mixture comprising partially hydrolyzed cellulose in a dissolution media; (b) providing a solution comprising a aliphatic polyester in a polar organic solvent; (c) combining the mixture with the solution to form a precipitate; (d) washing the precipitate with water to remove solvent and dissolution media and form a wet biodegradable composite; and then (e) drying the wet biodegradable composite to form a dry biodegradable composite. Composites made from the method are also described.
    Type: Grant
    Filed: October 7, 2011
    Date of Patent: April 8, 2014
    Assignee: Masdar Institute of Science and Technology
    Inventors: Raed Hashaikeh, Parakalan Krishnamachari
  • BIODEGRADABLE COMPOSITE MATERIALS
    Publication number: 20130090401
    Abstract: A method of making a biodegradable composite is carried out by: (a) providing an aqueous mixture comprising partially hydrolyzed cellulose in a dissolution media; (b) providing a solution comprising a aliphatic polyester in a polar organic solvent; (c) combining the mixture with the solution to form a precipitate; (d) washing the precipitate with water to remove solvent and dissolution media and form a wet biodegradable composite; and then (e) drying the wet biodegradable composite to form a dry biodegradable composite. Composites made from the method are also described.
    Type: Application
    Filed: October 7, 2011
    Publication date: April 11, 2013
    Inventors: Raed Hashaikeh, Parakalan Krishnamachari