Patents by Inventor Scott Han

Scott Han 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).

  • Supported mixed metal oxide catalyst
    Publication number: 20030208085
    Abstract: A supported catalyst comprising a mixed metal oxide is useful for the vapor phase catalytic partial oxidation of an alkane, or a mixture of an alkane and an alkene, to an unsaturated carboxylic acid and for the vapor phase ammoxidation of an alkane, or a mixture of an alkane and an alkene, to an unsaturated nitrile.
    Type: Application
    Filed: April 22, 2003
    Publication date: November 6, 2003
    Inventors: Anne Mae Gaffney, Scott Han, Michelle Doreen Heffner, Nneka Namono McNeal, Elsie Mae Vickery
  • Ir and/or Sm promoted multi-metal oxide catalyst
    Publication number: 20030204111
    Abstract: A catalyst comprising a promoted mixed metal oxide is useful for the vapor phase oxidation of an alkane or a mixture of an alkane and an alkene to an unsaturated carboxylic acid and for the vapor phase ammoxidation of an alkane or a mixture of an alkane and an alkene to an unsaturated nitrile.
    Type: Application
    Filed: May 7, 2003
    Publication date: October 30, 2003
    Inventors: Sanjay Chaturvedi, Anne Mae Gaffney, Scott Han, Michele Doreen Heffner, Ruozhi Song
  • Zn and/or Ga promoted multi-metal oxide catalyst
    Publication number: 20030191336
    Abstract: A catalyst comprising a promoted mixed metal oxide is useful for the vapor phase oxidation of an alkane or a mixture of an alkane and an alkene to an unsaturated carboxylic acid and for the vapor phase ammoxidation of an alkane or a mixture of an alkane and an alkene to an unsaturated nitrile.
    Type: Application
    Filed: May 6, 2003
    Publication date: October 9, 2003
    Inventors: Sanjay Chaturvedi, Anne Mae Gaffney, Scott Han, Dominique Hung Nhu Le
  • Methods for producing unsaturated carboxylic acids and unsaturated nitriles
    Publication number: 20030187297
    Abstract: Unsaturated carboxylic acids are produced by the vapor phase catalytic oxidation of mixtures of alkenes and alkanes in the presence of a catalyst containing a mixed metal oxide. Similarly, unsaturated nitrites are produced by the vapor phase catalytic oxidation of alkenes or mixtures of alkenes and alkanes and ammonia in the presence of a catalyst containing a mixed metal oxide.
    Type: Application
    Filed: September 25, 2001
    Publication date: October 2, 2003
    Inventors: Leonard Edward Bogan, Scott Han, Bradley Anson Jacobs, Frederick William Kaiser, Peter David Klugherz, Manhua Lin, Richard David Link, Michael William Linsen
  • Halogen promoted multi-metal oxide catalyst
    Patent number: 6624111
    Abstract: A catalyst comprising a promoted mixed metal oxide is useful for the vapor phase oxidation of an alkane or a mixture of an alkane and an alkene to an unsaturated carboxylic acid and for the vapor phase ammoxidation of an alkane or a mixture of an alkane and an alkene to an unsaturated nitrile.
    Type: Grant
    Filed: August 22, 2002
    Date of Patent: September 23, 2003
    Assignee: Rohm and Haas Company
    Inventors: Sanjay Chaturvedi, Anne Mae Gaffney, Scott Han, Michele Doreen Heffner, Ruozhi Song
  • Halogen promoted multi-metal oxide catalyst
    Publication number: 20030176734
    Abstract: A catalyst comprising a promoted mixed metal oxide is useful for the vapor phase oxidation of an alkane or a mixture of an alkane and an alkene to an unsaturated carboxylic acid and for the vapor phase ammoxidation of an alkane or a mixture of an alkane and an alkene to an unsaturated nitrile.
    Type: Application
    Filed: May 22, 2003
    Publication date: September 18, 2003
    Inventors: Sanjay Chaturvedi, Anne Mae Gaffney, Scott Han, Michele Doreen Heffner, Ruozhi Song
  • Zn and/or Ga promoted multi-metal oxide catalyst
    Patent number: 6589907
    Abstract: A catalyst comprising a promoted mixed metal oxide is useful for the vapor phase oxidation of an alkane or a mixture of an alkane and an alkene to an unsaturated carboxylic acid and for the vapor phase ammoxidation of an alkane or a mixture of an alkane and an alkene to an unsaturated nitrile.
    Type: Grant
    Filed: August 10, 2001
    Date of Patent: July 8, 2003
    Assignee: Rohm and Haas Company
    Inventors: Sanjay Chaturvedi, Anne Mae Gaffney, Scott Han, Dominique Hung Nhu Le
  • Processes for the preparation of olefins, unsaturated carboxylic acids and unsaturated nitriles from alkanes
    Publication number: 20030109749
    Abstract: Improved processes for the preparation of olefins, unsaturated carboxylic acids and unsaturated nitrites involve the use of dehydrogenation catalysts suitable for the conversion of alkanes to alkenes and catalysts suitable for the conversion of alkanes and/or alkenes to unsaturated carboxylic acids or unsaturated nitrites.
    Type: Application
    Filed: December 2, 2002
    Publication date: June 12, 2003
    Inventors: Leonard Edward Bogan, Anne Mae Gaffney, Scott Han, Michele Doreen Heffner, Ruozhi Song, Donald Lee Zolotorofe
  • Catalyst useful for oxidation of alkanes
    Publication number: 20030109748
    Abstract: A catalyst useful for the gas phase oxidation of alkanes to unsaturated aldehydes or carboxylic acids is disclosed. Processes for preparing the catalyst and using the catalyst to convert alkanes to unsaturated aldehydes or carboxylic acids are also disclosed.
    Type: Application
    Filed: December 9, 2002
    Publication date: June 12, 2003
    Inventors: Scott Han, Dominique Hung Nhu Le, Nneka Namono McNeal
  • Catalyst useful for oxidation of alkanes
    Patent number: 6518216
    Abstract: A catalyst useful for the gas phase oxidation of alkanes to unsaturated aldehydes or carboxylic acids is disclosed. Processes for preparing the catalyst and using the catalyst to convert alkanes to unsaturated aldehydes or carboxylic acids are also disclosed.
    Type: Grant
    Filed: September 12, 2000
    Date of Patent: February 11, 2003
    Assignee: Rohm and Haas Company
    Inventors: Scott Han, Dominique Hung Nhu Le, Nneka Namono McNeal
  • Halogen promoted multi-metal oxide catalyst
    Publication number: 20030018208
    Abstract: A catalyst comprising a promoted mixed metal oxide is useful for the vapor phase oxidation of an alkane or a mixture of an alkane and an alkene to an unsaturated carboxylic acid and for the vapor phase ammoxidation of an alkane or a mixture of an alkane and an alkene to an unsaturated nitrile.
    Type: Application
    Filed: August 22, 2002
    Publication date: January 23, 2003
    Inventors: Sanjay Chaturvedi, Anne Mae Gaffney, Scott Han, Michele Doreen Hefener, Ruozhi Song
  • Promoted multi-metal oxide catalyst
    Patent number: 6504053
    Abstract: A catalyst comprising a promoted mixed metal oxide is useful for the vapor phase oxidation of an alkane or a mixture of an alkane and an alkene to an unsaturated carboxylic acid and for the vapor phase ammoxidation of an alkane or a mixture of an alkane and an alkene to an unsaturated nitrile.
    Type: Grant
    Filed: May 14, 2002
    Date of Patent: January 7, 2003
    Assignee: Rohm and Haas Company
    Inventors: Sanjay Chaturvedi, Anne Mae Gaffney, Scott Han, Michele Doreen Heffner, Ruozhi Song, Dominique Hung Nhu Le, Elsie Mae Vickery
  • Recalcined catalyst
    Publication number: 20020188149
    Abstract: A mixed metal oxide, which may be an orthorhombic phase material, is improved as a catalyst for the production of unsaturated carboxylic acids, or unsaturated nitrites, from alkanes, or mixtures of alkanes and alkenes, by: contacting with a liquid contacting member selected from the group consisting of organic acids, alcohols, inorganic acids and hydrogen peroxide to form a contact mixture; recovering insoluble material from the contact mixture; and calcining the recovered insoluble material in a non-oxidizing atmosphere.
    Type: Application
    Filed: April 8, 2002
    Publication date: December 12, 2002
    Inventors: Leonard Edward Bogan, Anne Mae Gaffney, Scott Han, Michele Doreen Heffner, Ruozhi Song
  • Single crystalline phase catalyst
    Publication number: 20020161256
    Abstract: An orthorhombic phase mixed metal oxide is produced selectively in quantitative yield.
    Type: Application
    Filed: April 8, 2002
    Publication date: October 31, 2002
    Inventors: Leonard Edward Bogan, Daniel A. Bors, Fernando Antonio Pessoa Cavalcanti, Michael Bruce Clark, Anne Mae Gaffney, Scott Han
  • Halogen promoted multi-metal oxide catalyst
    Patent number: 6461996
    Abstract: A catalyst comprising a promoted mixed metal oxide is useful for the vapor phase oxidation of an alkane or a mixture of an alkane and an alkene to an unsaturated carboxylic acid and for the vapor phase ammoxidation of an alkane or a mixture of an alkane and an alkene to an unsaturated nitrile.
    Type: Grant
    Filed: August 10, 2001
    Date of Patent: October 8, 2002
    Assignee: Rohm and Haas Company
    Inventors: Sanjay Chaturvedi, Anne Mae Gaffney, Scott Han, Michele Doreen Heffner, Ruozhi Song
  • Promoted multi-metal oxide catalyst
    Publication number: 20020143208
    Abstract: A catalyst comprising a promoted mixed metal oxide is useful for the vapor phase oxidation of an alkane or a mixture of an alkane and an alkene to an unsaturated carboxylic acid and for the vapor phase ammoxidation of an alkane or a mixture of an alkane and an alkene to an unsaturated nitrile.
    Type: Application
    Filed: March 12, 2002
    Publication date: October 3, 2002
    Inventors: Sanjay Chaturvedi, Anne Mae Gaffney, Scott Han, Michele Doreen Heffner, Ruozhi Song
  • Promoted multi-metal oxide catalyst
    Publication number: 20020133044
    Abstract: A catalyst comprising an In promoted mixed metal oxide is useful for the vapor phase oxidation of an alkane, or a mixture of an alkane and an alkene, to an unsaturated carboxylic acid and for the vapor phase ammoxidation of an alkane, or a mixture of an alkane and an alkene, to an unsaturated nitrile
    Type: Application
    Filed: March 12, 2002
    Publication date: September 19, 2002
    Inventors: Sanjay Chaturvedi, Anne Mae Gaffney, Scott Han, Elsie Mae Vickery
  • Recycle process
    Publication number: 20020123647
    Abstract: A method for producing an unsaturated carboxylic acid comprises: (a) contacting, in a reaction zone, an alkane with a catalyst containing a mixed metal oxide, under conditions which produce a product gas comprising the unsaturated carboxylic acid, unreacted alkane and a product alkene; (b) recovering unreacted alkane and product alkene from the product gas; and (c) recycling the recovered unreacted alkane and product alkene to the reaction zone; wherein the mixed metal oxide consists of a material having the formula
    Type: Application
    Filed: September 25, 2001
    Publication date: September 5, 2002
    Inventors: Leonard Edward Bogan, Daniel A. Bors, Fernando Antonio Pessoa Cavalcanti, Scott Han, Bradley Anson Jacobs, Frederick William Kaiser, Peter David Klugherz, Manhua Lin, Donald Lee Zolotorofe
  • Promoted multi-metal oxide catalyst
    Patent number: 6407280
    Abstract: A catalyst comprising a promoted mixed metal oxide is useful for the vapor phase oxidation of an alkane or a mixture of an alkane and an alkene to an unsaturated carboxylic acid and for the vapor phase ammoxidation of an alkane or a mixture of an alkane and an alkene to an unsaturated nitrile.
    Type: Grant
    Filed: August 10, 2001
    Date of Patent: June 18, 2002
    Assignee: Rohm and Haas Company
    Inventors: Sanjay Chaturvedi, Anne Mae Gaffney, Scott Han, Michele Doreen Heffner, Ruozhi Song, Dominique Hung Nhu Le, Elsie Mae Vickery
  • Promoted multi-metal oxide catalyst
    Patent number: 6407031
    Abstract: A catalyst comprising a promoted mixed metal oxide is useful for the vapor phase oxidation of an alkane or a mixture of an alkane and an alkene to an unsaturated carboxylic acid and for the vapor phase ammoxidation of an alkane or a mixture of an alkane and an alkene to an unsaturated nitrile.
    Type: Grant
    Filed: August 11, 2001
    Date of Patent: June 18, 2002
    Assignee: Rohm and Haas Company
    Inventors: Sanjay Chaturvedi, Anne Mae Gaffney, Scott Han, Michele Doreen Heffner, Ruozhi Song