Patents by Inventor Leighta M. Johnson

Leighta M. Johnson 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).

  • CATALYST FOR THE MANUFACTURE OF ACRYLONITRILE
    Publication number: 20250319457
    Abstract: The invention relates to catalyst compositions comprising a complex of catalytic oxides comprising molybdenum, bismuth, cerium, iron, chromium, at least one element of group A, at least one element of group B, and optionally at least one element of group C wherein the relative ratios of these elements are represented by Formula (1): Mo12BiaCebFecCrdAeBfCgOx. The invention also relates to a process for the ammoxidation of an olefin comprising reacting in the vapor phase at an elevated temperature and pressure the olefin with a molecular oxygen containing gas and ammonia in the presence of the catalyst composition.
    Type: Application
    Filed: May 19, 2023
    Publication date: October 16, 2025
    Applicant: INEOS Europe AG
    Inventors: Michael J. Seely, Sean S. Lin, Leighta M. Johnson, Robert A. Gustaferro
  • Method and apparatus for oxy-fuel combustion
    Patent number: 8845323
    Abstract: The invention comprises a method and apparatus for burning combustible fluids, such as biofuel byproducts and feedstocks, which are difficult to burn in a stable and clean manner. The method includes preheating the combustion zone prior to initiating flow of the combustible fluid and maintaining a minimum oxygen concentration in the oxidant gas.
    Type: Grant
    Filed: March 2, 2008
    Date of Patent: September 30, 2014
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Leighta M. Johnson, Matthew J. Watson, Aleksandar G. Slavejkov
  • METHOD AND APPARATUS FOR OXY-FUEL COMBUSTION
    Publication number: 20100086886
    Abstract: The invention comprises a method and apparatus for burning combustible fluids, such as biofuel byproducts and feedstocks, which are difficult to burn in a stable and clean manner. The method includes preheating the combustion zone prior to initiating flow of the combustible fluid and maintaining a minimum oxygen concentration in the oxidant gas.
    Type: Application
    Filed: March 2, 2008
    Publication date: April 8, 2010
    Inventors: Leighta M. Johnson, Matthew J. Watson, Aleksandar G. Slavejkov