Patents by Inventor Mehmood Ahmed

Mehmood Ahmed 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).

  • Patent number: 12122960
    Abstract: A method of converting a polymer including contacting a catalyst with a low-density polyethylene polymer to form a mixture and heating the mixture to a temperature of 200 degrees Celsius (° C.) to 600° C. in a microwave reactor to form a product. The catalyst includes an HZSM-5 zeolite, and 1 weight percent (wt. %) to 10 wt. % gallium and 0.1% to 5 wt. % copper, based on the total weight of the catalyst.
    Type: Grant
    Filed: June 25, 2024
    Date of Patent: October 22, 2024
    Assignee: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
    Inventors: Abdul Gani Abdul Jameel, Nabeel Ahmad Javaid Ahmad, Usama Ahmed Mehmood Ahmed, Mohammad Nahid Siddiqui, Aniz Chennampilly Ummer, K. M. Oajedul Islam
  • Patent number: 9453083
    Abstract: A method of producing vinyl polymer particles by suspension polymerization comprising: combining an aqueous media and a tricalcium phosphate to a reaction vessel; adding a pH stabilizing agent to the reaction vessel; adding a vinyl monomer to the reaction vessel; adding a peroxide initiator, e.g., which also generates CO2 as a result of primary or secondary decomposition, to the reaction vessel; adding surfactant or a water soluble free radical initiator to generate surfactant in situ to the reaction vessel; maintaining the reactor contents at greater than or equal to 90° C. until a density of a dispersed phase becomes substantially equal to that of a continuous phase; adding a blowing agent to the reaction vessel; raising the temperature of the reaction vessel to greater than or equal to 100° C.; and collecting polymer particles having a particle size distribution.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: September 27, 2016
    Assignee: SAUDI BASIC INDUSTRIES CORPORATION
    Inventors: Syed Mehmood Ahmed, Mohammed Hamdan, Syed Azhar Hashmi
  • Patent number: 9039892
    Abstract: A catalyst comprising of nano nickel-silica catalyst for dewaxing of heavy petroleum feed at a temperature 200-350° C. at 8 bar and 30 bar hydrogen pressure and in the presence of hydrogen is designed for petrochemical industries. According to a specific aspect of the invention, the nano catalyst is designed and employed to convert heavy hydrocarbon feeds of high viscosity index to low pour point and good stability in a single step.
    Type: Grant
    Filed: September 5, 2012
    Date of Patent: May 26, 2015
    Inventors: Syed Tajammul Hussain, Mehmood Ahmed
  • Publication number: 20140275301
    Abstract: A method of producing vinyl polymer particles by suspension polymerization comprising: combining an aqueous media and a tricalcium phosphate to a reaction vessel; adding a pH stabilizing agent to the reaction vessel; adding a vinyl monomer to the reaction vessel; adding a peroxide initiator, e.g., which also generates CO2 as a result of primary or secondary decomposition, to the reaction vessel; adding surfactant or a water soluble free radical initiator to generate surfactant in situ to the reaction vessel; maintaining the reactor contents at greater than or equal to 90° C. until a density of a dispersed phase becomes substantially equal to that of a continuous phase; adding a blowing agent to the reaction vessel; raising the temperature of the reaction vessel to greater than or equal to 100° C.; and collecting polymer particles having a particle size distribution.
    Type: Application
    Filed: March 14, 2013
    Publication date: September 18, 2014
    Applicant: SAUDI BASIC INDUSTRIES CORPORATION
    Inventors: Syed Mehmood Ahmed, Mohammed Hamdan
  • Publication number: 20140061099
    Abstract: A catalyst comprising of nano nickel-silica catalyst for dewaxing of heavy petroleum feed at a temperature 200-350° C. at 8 bar and 30 bar hydrogen pressure and in the presence of hydrogen is designed for petrochemical industries. According to a specific aspect of the invention, the nano catalyst is designed and employed to convert heavy hydrocarbon feeds of high viscosity index to low pour point and good stability in a single step.
    Type: Application
    Filed: September 5, 2012
    Publication date: March 6, 2014
    Inventors: Syed Tajammul Hussain, Mehmood Ahmed
  • Patent number: 7919052
    Abstract: A catalytic converter has a housing. The housing defines a conduit and has a support wall defining an opening in the conduit. A removable catalyst element covers the opening for treating an exhaust gas passing through the conduit. A removable bar abuts the catalyst element. A first end of the bar is anchored to the wall and a second end of the bar is bolted to the wall thus clamping the catalyst element between the wall and the bar.
    Type: Grant
    Filed: July 27, 2007
    Date of Patent: April 5, 2011
    Assignee: Silex Innovations Inc.
    Inventor: Mehmood Ahmed
  • Publication number: 20090025376
    Abstract: A catalytic converter has a housing. The housing defines a conduit and has a support wall defining an opening in the conduit. A removable catalyst element covers the opening for treating an exhaust gas passing through the conduit. A removable bar abuts the catalyst element. A first end of the bar is anchored to the wall and a second end of the bar is bolted to the wall thus clamping the catalyst element between the wall and the bar.
    Type: Application
    Filed: July 27, 2007
    Publication date: January 29, 2009
    Inventor: Mehmood Ahmed