Patents by Inventor Khurshid Ayub

Khurshid Ayub 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).

  • Antioxidant vitamin C derivative
    Patent number: 11897855
    Abstract: A structural modification of vitamin C designed to increase its antioxidant activity is provided. The approach involves the substitution of the hydroxyl group (OH) by fluorine (F) at position 4 of vitamin C, resulting in the formation of a new structure. Based on quantum calculations, this modification may enhance the antioxidant properties of vitamin C and its ability to scavenge free radicals.
    Type: Grant
    Filed: July 11, 2023
    Date of Patent: February 13, 2024
    Assignee: KING FAISAL UNIVERSITY
    Inventors: Imene Bayach, Amel Ibrahim, Nadeem Sadiq Sheikh, Khurshid Ayub
  • Spirooxindole-copper complex as novel efficient anticorrosion agent for C-steel
    Patent number: 11840545
    Abstract: New spirooxindole compounds are described herein, as well as the use of such spirooxindole compounds in forming copper complexes that act as efficient anticorrosion agents for C-steel. Also described are methods for forming the new spirooxindole compounds as well as anti-corrosion coatings containing the spirooxindole-copper complexes, CuL.
    Type: Grant
    Filed: July 14, 2023
    Date of Patent: December 12, 2023
    Assignee: KING FAISAL UNIVERSITY
    Inventors: Hassan H. Hammud, Waleed A. S. Aljamhi, Ayman El-Faham, Assem Barakat, Ihab Shawish, Nadeem S. Sheikh, Khurshid Ayub