Patents by Inventor Ajahar Khan

Ajahar Khan 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).

  • Anticoagulation activity of sulfated carboxymethyl cellulose/leaf powder-based biocomposites
    Patent number: 11491199
    Abstract: Biocomposites comprising sulfated carboxymethyl cellulose and Azadirachta indica leaf extracts are provided. The sulfated carboxymethyl cellulose is made using an improved, environmentally friendly technique. Methods of using the biocomposites as anticoagulants are also provided.
    Type: Grant
    Filed: June 9, 2021
    Date of Patent: November 8, 2022
    Assignee: KING ABDULAZIZ UNIVERSITY
    Inventors: Khalid A. Alamry, Ajahar Khan, Mahmoud A. Hussein, Abdullah M. Asiri
  • Synthesis of polyaniline or derivatives thereof
    Patent number: 11459427
    Abstract: Provided are synthesis methods of polymerizing aniline or derivatives thereof. The production of polyaniline or polyaniline derivatives is controlled by the type of oxidant added in the reaction medium. The methods include the step of using a safe and environmentally friendly carbomethyl cellulose (CMC) or modified CMC as an oxidant in the polymerization reaction to produce polyaniline or aniline derivatives. Synthesis methods of producing O-CMC and O-CMC-S oxidants are also provided herein.
    Type: Grant
    Filed: October 7, 2021
    Date of Patent: October 4, 2022
    Assignee: KING ABDULAZIZ UNIVERSITY
    Inventors: Khalid A. Alamry, Ajahar Khan, Abdullah Mohamed Asiri