Patents by Inventor Clay PURDY

Clay PURDY 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).

  • Publication number: 20250177794
    Abstract: A method for degrading naphthenic acid compounds present in naphthenic acid compounds-containing material into at least one compound of lower toxicity, said method comprising: -providing said naphthenic acid compounds-containing material; -exposing said naphthenic acid compounds-containing material to a modified Caro's acid composition for a period of time sufficient to degrade substantially all of the naphthenic acid compounds present in the naphthenic acid compound-containing material; -optionally, testing the treated material and assess a level of naphthenic acid compounds; and -optionally, releasing the treated material into a waterway.
    Type: Application
    Filed: February 16, 2023
    Publication date: June 5, 2025
    Inventors: Clay PURDY, Markus WEISSENBERGER, Markus PAGELS, Kyle G WYNNYK, Karl W DAWSON
  • Publication number: 20240368834
    Abstract: Compositions comprising an acid; a modifying agent selected from the group consisting of sulfamic acid, imidazole, N-alkylimidazoles, taurine, taurine derivatives, taurine-related compounds, alkylsulfonic acids, arylsulfonic acids, triethanolamine and combinations thereof; a metal salt; and a peroxide.
    Type: Application
    Filed: July 15, 2024
    Publication date: November 7, 2024
    Inventors: Clay PURDY, Markus WEISSENBERGER, Markus PAGELS, Kyle G. WYNNYK, Matthew DEWIT, Andrew M. CORBETT
  • Publication number: 20240318381
    Abstract: One-pot processes to separate lignin from a lignocellulosic feedstock include providing a vessel; providing a lignocellulosic feedstock; providing a composition comprising an acid, a modifying agent comprising an alkanesulfonic acid, and a peroxide; and exposing the lignocellulosic feedstock to the composition in the vessel for a period of time sufficient to remove at least 80% of the lignin present in the lignocellulosic feedstock. In some instances, such one-pot process can further include removing a liquid phase comprising dissolved lignin fragments from a solid phase comprising cellulose fibres.
    Type: Application
    Filed: June 6, 2024
    Publication date: September 26, 2024
    Inventors: Clay PURDY, Markus WEISSENBERGER, Markus PAGELS, Kyle G. WYNNYK
  • Publication number: 20240309585
    Abstract: A one-pot processes to separate lignin from a lignocellulosic feedstock include providing a vessel; providing a lignocellulosic feedstock; providing a composition comprising an acid, a modifying agent comprising a heterocyclic compound, and a peroxide; and exposing the lignocellulosic feedstock to the composition in the vessel for a period of time sufficient to remove at least 80% of the lignin present in the lignocellulosic feedstock.
    Type: Application
    Filed: May 22, 2024
    Publication date: September 19, 2024
    Inventors: Clay PURDY, Markus WEISSENBERGER, Markus PAGELS, Kyle G. WYNNYK
  • Publication number: 20240295073
    Abstract: One-pot processes to separate lignin from a lignocellulosic feedstock include providing a vessel; providing a lignocellulosic feedstock; providing an aqueous composition comprising an acid, a modifying agent comprising a substituted aromatic compound, and a peroxide; and exposing the lignocellulosic feedstock to the composition in the vessel for a period of time sufficient to remove at least 80% of the lignin present in the lignocellulosic feedstock.
    Type: Application
    Filed: May 13, 2024
    Publication date: September 5, 2024
    Inventors: Clay PURDY, Markus WEISSENBERGER, Markus PAGELS, Kyle G WYNNYK
  • Publication number: 20240263394
    Abstract: A one-pot process to separate lignin from a lignocellulosic feedstock includes providing a vessel; providing a lignocellulosic feedstock; providing a composition comprising an acid, a modifying agent comprising a carbonyl-containing nitrogenous base compound, and a peroxide; exposing the lignocellulosic feedstock to the composition in the vessel for a period of time sufficient to remove at least 80% of the lignin present in the lignocellulosic feedstock; and optionally, removing a liquid phase comprising dissolved lignin fragments from a solid phase comprising cellulose fibres.
    Type: Application
    Filed: April 17, 2024
    Publication date: August 8, 2024
    Inventors: Clay PURDY, Markus WEISSENBERGER, Markus PAGELS, Kyle G WYNNYK
  • Publication number: 20240229354
    Abstract: An aqueous composition comprising: sulfuric acid; a heterocyclic compound; an alkanesulfonic acid; and a peroxide. Said composition being capable of delignifying biomass under milder conditions than conditions under which kraft pulping takes place.
    Type: Application
    Filed: March 18, 2024
    Publication date: July 11, 2024
    Inventors: Clay PURDY, Markus WEISSENBERGER, Markus PAGELS, Kyle G WYNNYK
  • Publication number: 20240150173
    Abstract: A one-pot process to separate lignin from a lignocellulosic feedstock, where the process involves the steps of: providing a vessel; providing the lignocellulosic feedstock; providing a composition that includes: an acid; a modifying agent including a compound containing an amine group; and a peroxide; exposing the lignocellulosic feedstock to the composition in the vessel for a period of time sufficient to remove at least 80% of the lignin present in the lignocellulosic feedstock; and, optionally, separating and removing a liquid phase that includes dissolved lignin fragments from a solid phase containing cellulose fibres.
    Type: Application
    Filed: January 15, 2024
    Publication date: May 9, 2024
    Inventors: Clay PURDY, Markus WEISSENBERGER, Markus PAGELS, Kyle G WYNNYK
  • Publication number: 20230416985
    Abstract: A modified aqueous acid composition comprising: sulfuric acid; a compound comprising an amine moiety and a sulfonic acid moiety; and a peroxide; wherein sulfuric acid, said compound comprising an amine moiety and a sulfonic acid moiety and said peroxide are present in a molar ratio of no less than 1:1:1. Also disclosed are methods of using such compositions.
    Type: Application
    Filed: September 11, 2023
    Publication date: December 28, 2023
    Inventors: Clay PURDY, Markus WEISSENBERGER, Kyle G. WYNNYK, Karl W. DAWSON
  • Publication number: 20230382852
    Abstract: An aqueous composition comprising: sulfuric acid; a compound comprising an amine moiety; a compound comprising a sulfonic acid moiety; and a peroxide. Said composition being capable of delignifying biomass.
    Type: Application
    Filed: August 8, 2023
    Publication date: November 30, 2023
    Inventors: Clay PURDY, Markus WEISSENBERGER, Kyle G. WYNNYK, Karl W. DAWSON
  • Publication number: 20230151496
    Abstract: An inhibition corrosion package for use with an acidic composition, where the package comprises a terpene component; a propargyl alcohol or derivative thereof; at least one amphoteric surfactant; and a solvent. Also disclosed are acidic compositions combining the corrosion inhibition package according to a preferred embodiment of the present invention for use in various industrial operations including but not limited to oil and gas operations. Also disclosed are methods of use of such compositions.
    Type: Application
    Filed: January 12, 2023
    Publication date: May 18, 2023
    Inventors: Clay PURDY, Markus WEISSENBERGER
  • Publication number: 20230124406
    Abstract: A corrosion inhibition package for use with an aqueous acid composition, said package comprising: a terpene; a cinnamaldehyde or a derivative thereof; at least one amphoteric surfactant; and a solvent. Also disclosed are compositions comprising said corrosion inhibitor package. Preferably, the corrosion inhibition package meets the environmental requirements for classification as yellow according to the Norwegian North Sea offshore drilling regulatory requirements.
    Type: Application
    Filed: December 14, 2022
    Publication date: April 20, 2023
    Applicant: FLUID ENERGY GROUP LTD.
    Inventors: Clay PURDY, Markus WEISSENBERGER
  • Publication number: 20230080049
    Abstract: A process for controlling the heat generated during the manufacture an inhibited hydrofluoric acid aqueous composition comprising: hydrofluoric acid in solution; a weak base; and an alkanolamine; said process comprising the steps of: providing a pre-determined amount of weak base; adding a pre-determined amount of said hydrofluoric acid to said weak base and obtaining a solution; adding said alkanolamine to the resulting solution of hydrofluoric acid and weak base; mixing until all components are dissolved; wherein said alkanolamine and hydrofluoric acid are present in a molar ratio of at least 1:1.
    Type: Application
    Filed: November 15, 2022
    Publication date: March 16, 2023
    Inventors: Clay PURDY, Markus WEISSENBERGER, Karl W. DAWSON, Kyle G. WYNNYK
  • Publication number: 20230082332
    Abstract: An inhibited hydrofluoric acid aqueous composition, said composition comprising: hydrofluoric acid in solution; and a weak base selected from the group consisting of: lysine, arginine, histidine, glutamine, asparagine, tryptophan, and tyrosine; wherein said weak base and hydrofluoric acid are present in a molar ratio of at least 1:1. Also disclosed is a mud acid using this inhibited acid composition.
    Type: Application
    Filed: November 7, 2022
    Publication date: March 16, 2023
    Inventors: Clay PURDY, Markus WEISSENBERGER, Karl W. DAWSON, Kyle G. WYNNYK
  • Publication number: 20220325167
    Abstract: The present invention discloses a novel aqueous composition for use in removing petroleum-contaminated barium sulfate scale from a surface contaminated with such, said composition comprising: a chelating agent and a counterion component selected from the group consisting of: Li5DTPA; Na5DTPA; K5DTPA; Cs5DTPA; Na4EDTA; K4EDTA; TEAH4DTPA; and TBAH5DTPA; a scale removal enhancer; a non-ionic surfactant; and a hydrotrope. There is also disclosed methods to use such compositions.
    Type: Application
    Filed: April 6, 2022
    Publication date: October 13, 2022
    Inventors: Clay PURDY, Markus WEISSENBERGER, Stig Magnor NORDAA, Elsayed ABDELFATAH
  • Publication number: 20220315863
    Abstract: A composition for use as a hard surface cleaner, sanitizer and/or disinfectant is disclosed. The composition according to one embodiment comprises an arylsulfonic acid, a source of peroxide, an effective amount of a stabilizer and water. A method is provided of cleaning, disinfecting and/or sanitizing a hard surface, the method comprising providing the composition, providing a surface which requires cleaning and applying the composition onto the surface for a duration of time sufficiently long enough to destroy micro-organisms present on the surface.
    Type: Application
    Filed: March 25, 2022
    Publication date: October 6, 2022
    Inventors: Clay PURDY, Markus WEISSENBERGER, Kyle G. WYNNYK, Karl W. DAWSON
  • Publication number: 20220267953
    Abstract: An aqueous composition comprising: sulfuric acid; a substituted aromatic compound; and a peroxide. Said composition being capable of delignifying biomass under milder conditions than conditions under which kraft pulping takes place.
    Type: Application
    Filed: August 20, 2021
    Publication date: August 25, 2022
    Inventors: Clay PURDY, Markus WEISSENBERGER, Markus PAGELS, Kyle G WYNNYK
  • Publication number: 20220267952
    Abstract: An aqueous composition comprising: sulfuric acid; an alkanesulfonic acid; and a peroxide. Said composition being capable of delignifying biomass under milder conditions than conditions under which kraft pulping takes place.
    Type: Application
    Filed: August 20, 2021
    Publication date: August 25, 2022
    Inventors: Clay PURDY, Markus WEISSENBERGER, Markus PAGELS, Kyle G. WYNNYK
  • Publication number: 20220267956
    Abstract: An aqueous composition comprising: sulfuric acid; a modifying agent comprising an arylsulfonic acid; and a peroxide. Said composition being capable of delignifying biomass under milder conditions than conditions under which kraft pulping takes place.
    Type: Application
    Filed: August 20, 2021
    Publication date: August 25, 2022
    Inventors: Clay PURDY, Markus WEISSENBERGER, Markus PAGELS, Kyle G. WYNNYK
  • Publication number: 20220267954
    Abstract: An aqueous composition comprising: sulfuric acid; a heterocyclic compound; an alkanesulfonic acid; and a peroxide. Said composition being capable of delignifying biomass under milder conditions than conditions under which kraft pulping takes place.
    Type: Application
    Filed: August 20, 2021
    Publication date: August 25, 2022
    Inventors: Clay PURDY, Markus WEISSENBERGER, Markus PAGELS, Kyle G WYNNYK