Patents by Inventor Daniel Robert Dreyer

Daniel Robert Dreyer 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).

  • OXIDATIVE STABILITY TEST METHODS FOR CHEMICALLY RECYCLED PLASTIC FEEDSTOCKS
    Publication number: 20230288395
    Abstract: The present disclosure relates to various testing methods that can be applied to oils, such as pyrolysis oils. Different testing methods can be used to determine the oxidative stability of an oil. The testing methods may also be used to differentiate between various oils and to determine the effectiveness of various antioxidants on the oxidative stability of an oil.
    Type: Application
    Filed: February 28, 2023
    Publication date: September 14, 2023
    Applicant: ECOLAB USA INC.
    Inventors: Ashish DHAWAN, Carter M. SILVERNAIL, Emily Rebecca WOOD, Kameswara VYAKARANAM, Daniel Robert DREYER, Karina EURESTE
  • HYDROGEN SULFIDE SCAVENGERS
    Publication number: 20220220388
    Abstract: Scavenging compounds and compositions useful for scavenging hydrogen sulfide from streams are disclosed. The scavenging compositions may include a suspension of a metal component, a carrier solvent, and a polymer comprising styrene, propylene and ethylene. The streams may include asphalt, crude oil, naphtha, liquefied petroleum gas, vacuum gas oil, fuel oil, atmospheric tower bottoms, bitumen, and any combination of these streams.
    Type: Application
    Filed: January 7, 2022
    Publication date: July 14, 2022
    Applicant: ECOLAB USA INC.
    Inventors: Daniel Robert Dreyer, Elizabeth Balapitiya
  • Controlled release solid scale inhibitors
    Patent number: 11142680
    Abstract: Compositions and methods of preparation and use for controlled release solid scale inhibitors used in hydraulic fracturing operations in oil and gas wells. The controlled release scale inhibitors comprise amorphous glass which is a reaction product of a phosphorus-containing compound, a calcium-containing compound, a magnesium-containing compound and base. The composition has a predetermined dissolution rate for controlled release of scale inhibitors in induced hydraulic fractures in hydraulic fracturing treatment of oil or gas wells.
    Type: Grant
    Filed: December 18, 2017
    Date of Patent: October 12, 2021
    Assignee: ChampionX USA Inc.
    Inventors: Daniel Robert Dreyer, Thomas Smith, Pious Kurian
  • CONTROLLED RELEASE SOLID SCALE INHIBITORS
    Publication number: 20180179434
    Abstract: Compositions and methods of preparation and use for controlled release solid scale inhibitors used in hydraulic fracturing operations in oil and gas wells. The controlled release scale inhibitors comprise amorphous glass which is a reaction product of a phosphorus-containing compound, a calcium-containing compound, a magnesium-containing compound and base. The composition has a predetermined dissolution rate for controlled release of scale inhibitors in induced hydraulic fractures in hydraulic fracturing treatment of oil or gas wells.
    Type: Application
    Filed: December 18, 2017
    Publication date: June 28, 2018
    Inventors: Daniel Robert Dreyer, Thomas Smith, Pious Kurian