Patents by Inventor Cyril Emeka OKOCHA

Cyril Emeka OKOCHA 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).

  • Amorphous dithiazine dissolution formulation and method for using the same
    Patent number: 11549050
    Abstract: The invention relates a use of an aqueous composition comprising at least one organic peroxide to dissolve amorphous dithiazine.
    Type: Grant
    Filed: May 2, 2017
    Date of Patent: January 10, 2023
    Assignee: CLARIANT INTERNATIONAL LTD.
    Inventors: Jonathan Wylde, Cyril Emeka Okocha
  • Amorphous Dithiazine Dissolution Formulation and Method for Using the Same
    Publication number: 20220340804
    Abstract: Amorphous Dithiazine Dissolution Formulation and Method for using the Same The invention relates a use of an aqueous composition comprising at least one organic peroxide to dissolve amorphous dithiazine.
    Type: Application
    Filed: May 2, 2017
    Publication date: October 27, 2022
    Applicant: Clariant International Ltd.
    Inventors: Jonathan Wylde, Cyril Emeka OKOCHA
  • Amorphous Dithiazine Dissolution Formulation and Method for Using the Same
    Publication number: 20210317357
    Abstract: Amorphous Dithiazine Dissolution Formulation and Method for using the Same The invention relates a use of an aqueous composition comprising at least one organic peroxide to dissolve amorphous dithiazine.
    Type: Application
    Filed: May 2, 2017
    Publication date: October 14, 2021
    Applicant: Clariant International Ltd.
    Inventors: Jonathan Wylde, Cyril Emeka OKOCHA
  • Composition and method for inhibition of sulfide scales
    Patent number: 10633573
    Abstract: The present invention provides a composition useful as a sulfide scale inhibitor for application in oilfield operations, comprising 1) at least one copolymer that comprises as monomers a) 0.1 to 10 mol-%, of structural units derived from vinylphosphonic acid and/or of a salt thereof, b) 40 to 80 mol-% of structural units derived from compounds of the formula (1) c) 1 to 50 mol-% of structural units derived from compounds of the formula (2) in which X is OH or NR3R4, and R3 and R4, independently of one another, are H or C1-C4-alkyl, 2) at least one of tris (hydroxymethyl) phosphine or a tetrakis(hydroxymethyl)phosphonium salt, 3) at least one surfactant, 4) at least one amine or ammonium salt.
    Type: Grant
    Filed: March 1, 2016
    Date of Patent: April 28, 2020
    Assignee: CLARIANT INTERNATIONAL LTD.
    Inventors: Cyril Emeka Okocha, Jonathan Wylde
  • Composition And Method For Inhibition Of Sulfide Scales
    Publication number: 20180105732
    Abstract: The present invention provides a composition useful as a sulfide scale inhibitor for application in oilfield operations, comprising 1) at least one copolymer that comprises as monomers a) 0.1 to 10 mol-%, of structural units derived from vinylphosphonic acid and/or of a salt thereof, b) 40 to 80 mol-% of structural units derived from compounds of the formula (1) c) 1 to 50 mol-% of structural units derived from compounds of the formula (2) in which X is OH or NR3R4, and R3 and R4, independently of one another, are H or C1-C4-alkyl, 2) at least one of tris (hydroxymethyl) phosphine or a tetrakis(hydroxymethyl)phosphonium salt, 3) at least one surfactant, 4) at least one amine or ammonium salt.
    Type: Application
    Filed: March 1, 2016
    Publication date: April 19, 2018
    Applicant: Clariant International, Ltd.
    Inventors: Cyril Emeka OKOCHA, Jonathan Wylde