Patents by Inventor Rafaela Carvalhal Passos

Rafaela Carvalhal Passos 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).

  • ALCOHOL-BASED HEMI-FORMYLS FOR HYDROGEN SULFIDE SCAVENGING
    Publication number: 20200283687
    Abstract: Scavenging compounds and compositions useful in applications relating to the production, transportation, storage, and separation of crude oil and natural gas are disclosed. Also disclosed herein are methods of using the compounds and compositions as scavengers, particularly in applications relating to the production, transportation, storage, and separation of crude oil and natural gas.
    Type: Application
    Filed: January 28, 2020
    Publication date: September 10, 2020
    Applicant: ECOLAB USA INC.
    Inventors: Rafaela Carvalhal PASSOS, Geeta Rana, Simael Manuel Rodrigues, Bárbara Valente Melanda, Julian M. Gallardo, III, Jeffery Caleb Clark
  • Hydrogen sulfide scavengers
    Patent number: 10538710
    Abstract: Disclosed herein are scavenging compounds and compositions useful in applications relating to the production, transportation, storage, and separation of crude oil and natural gas. Also disclosed herein are methods of using the compounds and compositions as scavengers, particularly in applications relating to the production, transportation, storage, and separation of crude oil and natural gas.
    Type: Grant
    Filed: July 12, 2018
    Date of Patent: January 21, 2020
    Assignee: ECOLAB USA INC.
    Inventors: Jeffery Caleb Clark, Matthew Trevino, Lawrence J. Karas, Julian M. Gallardo, III, Prakasa Anantaneni, Rafaela Carvalhal Passos, Christopher Burrell, Geeta Rana
  • HYDROGEN SULFIDE SCAVENGERS
    Publication number: 20190016966
    Abstract: Disclosed herein are scavenging compounds and compositions useful in applications relating to the production, transportation, storage, and separation of crude oil and natural gas. Also disclosed herein are methods of using the compounds and compositions as scavengers, particularly in applications relating to the production, transportation, storage, and separation of crude oil and natural gas.
    Type: Application
    Filed: July 12, 2018
    Publication date: January 17, 2019
    Applicant: Ecolab USA Inc.
    Inventors: Jeffery Caleb Clark, Matthew Trevino, Lawrence J. Karas, Julian M. Gallardo, III, Prakasa Anantaneni, Rafaela Carvalhal Passos, Christopher Burrell, Geeta Rana