Patents by Inventor Kostan Charkhutian

Kostan Charkhutian 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).

  • METAL OXIDES DISPERSANT COMPOSITION
    Publication number: 20070151927
    Abstract: This invention relates to metal oxides dispersant compositions comprising (a) certain a metal oxides dispersant, and (b) an oxime. The invention also relates to a process for dispersing metal oxides in an aqueous system that involves adding the dispersant composition to the aqueous system.
    Type: Application
    Filed: March 13, 2007
    Publication date: July 5, 2007
    Applicant: Ashland Licensing and Intellectual Property LLC
    Inventors: Edward Beardwood, Kostan Charkhutian
  • Process for removing dissolved oxygen from an aqueous system
    Publication number: 20060131248
    Abstract: This invention relates to a process for removing dissolved oxygen from an aqueous system, which comprises adding a composition comprising (a) piperazine, water soluble derivatives of thereof, and mixtures thereof, and (b) a hydroxybenzene, water soluble derivatives thereof, and mixtures thereof.
    Type: Application
    Filed: December 17, 2004
    Publication date: June 22, 2006
    Inventors: Kostan Charkhutian, Bruce Libutti
  • Process for inhibiting scale on metal surfaces
    Publication number: 20060046953
    Abstract: This invention relates to a process for inhibiting scale on metal surfaces exposed to an aqueous system, particularly a circulating aqueous system. The process comprises adding ethylenediamine-N,N-disuccinic acid, or salts thereof, to the aqueous system. Ethylenediamine-N,N-disuccinic acid, or salts thereof, act as a chelating agent and are biodegradable. The process is useful for inhibiting the formation of scale on metal surfaces of steam generating and cooling systems.
    Type: Application
    Filed: September 2, 2004
    Publication date: March 2, 2006
    Inventors: Kostan Charkhutian, Bruce Libutti, Michael Murphy