Patents by Inventor Richa Shaunak

Richa Shaunak 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).

  • Composition containing paraquat and/or diquat an alginate and emetic and/or purgative
    Publication number: 20040157742
    Abstract: The use of an alginate as a pH-triggered gelling agent in the manufacture of a composition comprising a salt of paraquat, a salt of diquat or a mixture thereof, the composition further comprising an emetic and/or purgative such that a pH-triggered gel effect takes place at the acid pH of human gastric juice. The gelling agent is preferably used in the substantial absence of magnesium trisilicate and preferably has a 1% solution viscosity in water of from 2 to 2000 mPas.
    Type: Application
    Filed: April 1, 2004
    Publication date: August 12, 2004
    Inventors: Emma Jane Ashford, Jonathan Roy Heylings, Richa Shaunak
  • Packaged agrochemical composition
    Patent number: 6204223
    Abstract: An agrochemical composition packaged in a water soluble or water dispersible sachet is taught. The agrochemical composition is comprised of water-soluble, agrochemically active agent, water and an agent to minimize water loss through the walls of the sachet, wherein the is an ester of an alkyl, alkenyl, aryl, or arylalkyl acid; an ester or a naturally occurring oil; or a mineral or a synthetic oil; provided that the agent is not dibutylphtalate.
    Type: Grant
    Filed: June 19, 1998
    Date of Patent: March 20, 2001
    Assignee: Zeneca Limited
    Inventors: Peter Holmes, Richa Shaunak, Rowena Roshanthi Landham, Rupert Heinrich Sohm