Patents by Inventor Vishal Patrick

Vishal Patrick 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).

  • Synthesis of alkyl tribenzanoate
    Patent number: 10640446
    Abstract: A method of making alkyl tribenzanoates includes combining a phenyl tricarboxylic acid or chemical equivalent thereof with greater than or equal to 3.5 molar equivalents of a C4-C18 alkyl alcohol, based on the amount of phenyl tricarboxylic acid or chemical equivalent thereof, in the presence of 0.05 to 0.20 mol % of a titanium tetra-alkoxide catalyst, based on the total moles of phenyl tricarboxylic acid or chemical equivalent, at a temperature greater than 210° C. to form a reaction mixture having an acid value less than or equal to 0.5 as determined according to ASTM D1045.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: May 5, 2020
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Ritesh Nandy, Vishal Patrick, Edward Joseph Nesakumar
  • METHOD OF MAKING DIALKYL TEREPHTHALATE FROM TEREPHTHALIC ACID
    Publication number: 20200010399
    Abstract: A method for the manufacture of a diester of terephthalic acid includes reacting terephthalic acid and a C6-18 alkyl monohydric alcohol in the presence of a catalyst having the formula MO[CH3COCH?C(0-)CH3]2 wherein M=Ti, Zr, or Hf, under conditions effective to form a reaction mixture comprising the di(C6-18 alkyl) terephthalate.
    Type: Application
    Filed: March 15, 2018
    Publication date: January 9, 2020
    Inventors: Ritesh Nandy, Vishal Patrick, Edward Joseph Nesakumar
  • SYNTHESIS OF ALKYL TRIBENZANOATE
    Publication number: 20190292126
    Abstract: A method of making alkyl tribenzanoates includes combining a phenyl tricarboxylic acid or chemical equivalent thereof with greater than or equal to 3.5 molar equivalents of a C4-C18 alkyl alcohol, based on the amount of phenyl tricarboxylic acid or chemical equivalent thereof, in the presence of 0.05 to 0.20 mol % of a titanium tetra-alkoxide catalyst, based on the total moles of phenyl tricarboxylic acid or chemical equivalent, at a temperature greater than 210° C. to form a reaction mixture having an acid value less than or equal to 0.5 as determined according to ASTM D1045.
    Type: Application
    Filed: May 23, 2017
    Publication date: September 26, 2019
    Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Ritesh Nandy, Vishal Patrick, Edward Joseph Nesakumar