Patents by Inventor Asad Ahmad Khan

Asad Ahmad 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).

  • Patent number: 9827555
    Abstract: The disclosed subject matter presents a catalyst or catalyst composition as well as the methods of making and using the catalyst or catalyst composition. In one aspect, the disclosed subject matter relates to a catalyst comprising CoMnaSibXcYdOx wherein in X comprises an element from Group 11; Y comprises an element from Group 12; a ranges from 0.8 to 1.2; b ranges from 0.1 to 1; c ranges from 0.01 to 0.05; d ranges from 0.01 to 0.05; x is a number determined by the valency requirements of the other elements present; and wherein the catalyst converts synthesis gas to at least one olefin.
    Type: Grant
    Filed: July 28, 2014
    Date of Patent: November 28, 2017
    Assignee: Saudi Basic Industries Corporation
    Inventors: Khalid Karim, Mohammad Abdur Rakib, Asad Ahmad Khan, Mohammed Al-Semahi
  • Patent number: 9486785
    Abstract: The present disclosures and inventions relate to a catalyst or catalyst composition and the methods of making and using the catalyst or catalyst composition. In one aspect, the present disclosure relates to a catalyst composition that includes a catalyst having the formula CA CB Ox and a catalyst support; a) CA is CoaMnbXd, wherein X comprises Si, Ti, Cu, Zns Pd, or La or a combination thereof; a ranges from 0.8 to 1.2; b ranges from 0.1 to 1; and d ranges from 0 to 0.5; and b) CB is NieCufMghSim, wherein e ranges from about 0.8 to 1.2; f ranges from 0 to 1; h ranges from 0 to 0.5; and m ranges from 0 to 0.5; wherein Ox is determined by the valence requirements of the other elements present, wherein in the catalyst support consists essentially of magnesia, alumina, silica, titanic, carbon, or zeolite, or a combination thereof; and wherein the catalyst composition converts synthesis gas to at least one olefin.
    Type: Grant
    Filed: July 28, 2014
    Date of Patent: November 8, 2016
    Assignee: Saudi Basic Industries Corporation
    Inventors: Khalid Karim, Asad Ahmad Khan, Mohammad Abdur Rakib, Mohammed Al-Semahi, Jayen Barochia
  • Publication number: 20160167025
    Abstract: The disclosed subject matter presents a catalyst or catalyst composition as well as the methods of making and using the catalyst or catalyst composition. In one aspect, the disclosed subject matter relates to a catalyst comprising CoMnaSibXcYdOx wherein in X comprises an element from Group 11; Y comprises an element from Group 12; a ranges from 0.8 to 1.2; b ranges from 0.1 to 1; c ranges from 0.01 to 0.05; d ranges from 0.01 to 0.05; x is a number determined by the valency requirements of the other elements present; and wherein the catalyst converts synthesis gas to at least one olefin.
    Type: Application
    Filed: July 28, 2014
    Publication date: June 16, 2016
    Inventors: Khalid Karim, Mahammad Abdur Rakib, Asad Ahmad Khan, Mohammed Al-Semahi
  • Patent number: 6989347
    Abstract: A catalyst composition for the production of carboxylic acids by the oxidation of the corresponding unsaturated aldehydes, and methods for making and using the catalyst compositions. The catalysts include compositions of the formula: MoaVbAlcXdYeOz wherein X is at least one element selected from W and Mn; Y is at least one element selected from Pd, Sb, Ca, P, Ga, Ge, Si, Mg, Nb, and K; a is 1; b is 0.01–0.9; c is 0<0.2; d is 0<0.5; e is 0<0.5; and z is an integer representing the number of oxygen atoms required to satisfy the valency of the remaining elements in the composition. Using the catalyst composition of the present invention, one may effectively oxidize the desired starting materials at relatively high levels of conversion, selectivity, and productivity, and with minimal side products.
    Type: Grant
    Filed: April 25, 2002
    Date of Patent: January 24, 2006
    Assignee: Saudi Basic Industries Corporation
    Inventors: Khalid Karim, Yajnavalkya Subrai Bhat, Syed Irshad Zaheer, Asad Ahmad Khan
  • Patent number: 6620973
    Abstract: A catalyst composition for the production of unsaturated aldehydes by the oxidation of the corresponding olefins, and methods of making and using such catalyst compositions. The catalysts of the present invention include compositions of the formula: MoaPdbBicFedX1eX2fX3gOz, wherein X1 is an element selected from Co, Ni, V, Pt, Rh, or mixtures thereof; X2 is an element selected from Al, Ga, Ge, Mn, Nb, Zn, Ag, P, Si, W, or mixtures thereof; X3 is an element selected from K, Mg, Rb, Ca, Sr, Ba, Na, In, or mixtures thereof; a is 1; b is 0<b<0.3; c is 0<c<0.9; d is 0<d<0.9; e is 0<e<0.9; f is 0<f<0.9; g is 0<g<0.3; and z is an integer representing the number of oxygen atoms required to satisfy the valency of Mo, Pd, Bi, Fe, X1, X2, and X3 in the catalyst composition. Using the methods of the present invention, one may effectively oxidize the desired starting materials at relatively high levels of conversion, selectivity, and productivity, and with minimal side products.
    Type: Grant
    Filed: October 19, 2001
    Date of Patent: September 16, 2003
    Assignee: Saudi Basic Industries Corporation
    Inventors: Khalid Karim, Yajnavalkya Subrai Bhat, Syed Irshad Zaheer, Asad Ahmad Khan
  • Publication number: 20030100794
    Abstract: A mixed metal oxide catalytic system comprises a catalyst having the formula
    Type: Application
    Filed: January 7, 2003
    Publication date: May 29, 2003
    Applicant: Saudi Basic Industries Corporation, Saudi Arabia
    Inventors: Khalid Karim, Mohammad H. Al-Hazmi, Asad Ahmad Khan, Syed Irshad Zaheer
  • Patent number: 6531631
    Abstract: A process for producing olefins and carboxylic acids from lower alkanes using a mixed metal oxide catalytic system comprising a catalyst having the formula MoaVbAlcXdYeOz wherein: X is at least one element selected from the group consisting of W and Mn; Y is at least one element selected from the group consisting of Pd, Sb, Ca, P, Ga, Ge, Si, Mg, Nb, and K; a is 1; b is 0.01 to 0.9; c is >0 to 0.2; d is >0 to 0.5; e is >0 to 0.5; and z is an integer representing the number of oxygen atoms required to satisfy the valency of Mo, V, Al, X, and Y.
    Type: Grant
    Filed: April 28, 2000
    Date of Patent: March 11, 2003
    Assignee: Saudi Basic Industries Corporation
    Inventors: Khalid Karim, Mohammad H. Al-Hazmi, Asad Ahmad Khan, Syed Irshad Zaheer
  • Publication number: 20020198406
    Abstract: A process for the production of alpha-beta unsaturated carboxylic acid with high yield at low temperature and atmospheric pressure, includes two stages for catalytic vapor-phase oxidation of olefins with molecular oxygen.
    Type: Application
    Filed: August 12, 2002
    Publication date: December 26, 2002
    Applicant: Saudi Basic Industries Corporation, Saudi Arabia
    Inventors: Khalid Karim, Yajnavalkya Subrai Bhat, Asad Ahmad Khan, Syed Irshad Zaheer, Abdullah Bin Nafisa
  • Patent number: 6444845
    Abstract: The present invention provides a catalyst composition for the production of carboxylic acids by the oxidation of the corresponding unsaturated aldehydes, and methods for making and using the catalyst compositions. The catalysts include compositions of the formula: MoaVbAlcXdYeOz wherein X is at least one element selected from W and Mn; Y is at least one element selected from Pd, Sb, Ca, P, Ga, Ge, Si, Mg, Nb, and K; a is 1; b is 0.01-0.9; c is 0<0.2; d is 0<0.5; e is 0<0.5; and z is an integer representing the number of oxygen atoms required to satisfy the valency of the remaining elements in the composition. Using the catalyst composition of the present invention, one may effectively oxidize the desired starting materials at relatively high levels of conversion, selectivity, and productivity, and with minimal side products.
    Type: Grant
    Filed: April 28, 2000
    Date of Patent: September 3, 2002
    Assignee: Saudia Basic Industries Corporation
    Inventors: Khalid Karim, Yajnavalkya Subrai Bhat, Syed Irshad Zaheer, Asad Ahmad Khan
  • Patent number: 6441227
    Abstract: A process for the production of alpha-beta unsaturated carboxylic acid with high yield at low temperature and atmospheric pressure, includes two stages for catalytic vapor-phase oxidation of olefins with molecular oxygen.
    Type: Grant
    Filed: June 23, 2000
    Date of Patent: August 27, 2002
    Assignee: Saudi Basic Industries Corporation
    Inventors: Khalid Karim, Yajnavalkya Subrai Bhat, Asad Ahmad Khan, Syed Irshad Zaheer, Abdullah Bin Nafisa
  • Publication number: 20020115887
    Abstract: The present invention provides a catalyst composition for the production of carboxylic acids by the oxidation of the corresponding unsaturated aldehydes, and methods for making and using the catalyst compositions.
    Type: Application
    Filed: April 25, 2002
    Publication date: August 22, 2002
    Applicant: Saudi Basic Industries Corporation, Saudi Arabia
    Inventors: Khalid Karim, Yajnavalkya Subrai Bhat, Syed Irshad Zaheer, Asad Ahmad Khan
  • Publication number: 20020058847
    Abstract: The present invention provides a catalyst composition for the production of unsaturated aldehydes by the oxidation of the corresponding olefins, and methods of making and using such catalyst compositions.
    Type: Application
    Filed: October 19, 2001
    Publication date: May 16, 2002
    Applicant: Saudi Basic Industries Corporation, Saudi Arabia
    Inventors: Khalid Karim, Yajnavalkya Subrai Bhat, Syed Irshad Zaheer, Asad Ahmad Khan
  • Patent number: 6337424
    Abstract: The present invention provides a catalyst composition for the production of unsaturated aldehydes by the oxidation of the corresponding olefins, and methods of making and using such catalyst compositions. The catalysts of the present invention include compositions of the formula: MoaPdbBicFedX1eX2fX3gOz, wherein X1 is an element selected from Co, Ni, V, Pt, Rh, or mixtures thereof; X2 is an element selected from Al, Ga, Ge, Mn, Nb, Zn, Ag, P, Si, W, or mixtures thereof; X3 is an element selected from K, Mg, Rb, Ca, Sr, Ba, Na, In, or mixtures thereof; a is 1; b is 0<b<0.3;c is 0<c<0.9; d is 0<d<0.9; e is 0<e<0.9; f is 0<f<0.9; g is 0<g<0.3; and z is an integer representing the number of oxygen atoms required to satisfy the valency of Mo, Pd, Bi, Fe, X1, X2, and X3 in the catalyst composition.
    Type: Grant
    Filed: April 28, 2000
    Date of Patent: January 8, 2002
    Assignee: Saudi Basic Industries Corporation
    Inventors: Khalid Karim, Yajnavalkya Subrai Bhat, Syed Irshad Zaheer, Asad Ahmad Khan