Patents by Inventor Noble Thekkemelathethil George

Noble Thekkemelathethil George 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).

  • Ammonium salts of chelating agents and their use in oil and gas field applications
    Patent number: 9587171
    Abstract: The present invention relates to a process for treating a subterranean formation wherein a fluid containing an ammonium salt of glutamic acid N,N-diacetic acid (GLDA) or methylglycine N,N-diacetic acid (MGDA) is introduced into the formation.
    Type: Grant
    Filed: December 14, 2011
    Date of Patent: March 7, 2017
    Assignee: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
    Inventors: Cornelia Adriana De Wolf, James N. Lepage, Hisham Nasr-El-Din, Mohamed Ahmed Nasr-El-Din Mahmoud, Edwin Rudolf Antony Bang, Noble Thekkemelathethil George
  • AMMONIUM SALTS OF CHELATING AGENTS AND THEIR USE IN OIL AND GAS FIELD APPLICATIONS
    Publication number: 20130281329
    Abstract: The present invention relates to a process for treating a subterranean formation wherein a fluid containing an ammonium salt of glutamic acid N, N-diacetic acid (GLDA) or methylglycine N, N-diacetic acid (MGDA) is introduced into the formation.
    Type: Application
    Filed: December 14, 2011
    Publication date: October 24, 2013
    Applicant: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
    Inventors: Cornelia Adriana De Wolf, James N. Lepage, Hisham Nasr-El-Din, Mohamed Ahmed Nasr-El-Din Mahmoud, Edwin Rudolf Antony Bang, Noble Thekkemelathethil George
  • PROCESS AND FLUID TO IMPROVE THE PERMEABILITY OF SANDSTONE FORMATIONS USING A CHELATING AGENT
    Publication number: 20130274154
    Abstract: The present invention relates to a process for treating a sandstone formation comprising introducing a fluid containing glutamic acid N,N-diacetic acid or a salt thereof (GLDA) and having a pH of between 1 and 14 into the formation. The invention in addition relates to a fluid and a kit of parts suitable for use in the above process containing glutamic acid N,N-diacetic acid or a salt thereof (GLDA), a corrosion inhibitor, a surfactant, and optionally a mutual solvent.
    Type: Application
    Filed: December 14, 2011
    Publication date: October 17, 2013
    Applicant: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
    Inventors: Hisham Nasr-El-Din, Cornelia Adriana De Wolf, Mohamed Ahmed Nasr-El-Din Mahmoud, Albertus Jacobus Maria Bouwman, Noble Thekkemelathethil George