Patents by Inventor David Arthur Cano

David Arthur Cano 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).

  • Synthesis of benzyl-metal compounds
    Patent number: 7067686
    Abstract: Disclosed are methods of producing di-, tri- or tetrabenzyl-metal compounds comprising combining a metal salt with a (benzyl)nMgX2-n compound at from less than 30° C., wherein n is 1 or 2 and X is a monoanionic group; wherein the combining takes place in a diluent mixture comprising from 0 to 80% by volume of an ether diluent and a diluent selected from the group consisting of aromatic diluents, halogenated hydrocarbon diluents, and mixtures thereof. The methods are characterized by employing various mixtures of diluents, and in some cases, minimal to no ether diluent.
    Type: Grant
    Filed: July 21, 2005
    Date of Patent: June 27, 2006
    Assignee: Univation Technologies, LLC
    Inventors: George Rodriguez, David Arthur Cano, David H. McConville, Frank C. Rix
  • Polymerization catalyst activators, method of preparing, and their use in polymerization processes
    Patent number: 6858689
    Abstract: New polymerization catalyst activators are disclosed which include a heterocyclic compound, which may or may not be substituted, and an aluminum alkyl or an aluminoxane. Supported activators of the invention include the heterocyclic compound, combined with an alkylaluminum or aluminoxane, and a support material, preferably a silica support material. Also disclosed are methods for preparing these catalyst activators and polymerization processes utilizing same.
    Type: Grant
    Filed: December 12, 2003
    Date of Patent: February 22, 2005
    Assignee: Univation Technologies, LLC
    Inventors: Matthew W. Holtcamp, David Arthur Cano
  • Polymerization catalyst activators, method of preparing, and their use in polymerization processes
    Publication number: 20040167016
    Abstract: New polymerization catalyst activators are disclosed which include a heterocyclic compound, which may or may not be substituted, and an aluminum alkyl or an aluminoxane. Supported activators of the invention include the heterocyclic compound, combined with an alkylaluminum or aluminoxane, and a support material, preferably a silica support material. Also disclosed are methods for preparing these catalyst activators and polymerization processes utilizing same.
    Type: Application
    Filed: December 12, 2003
    Publication date: August 26, 2004
    Inventors: Matthew W. Holtcamp, David Arthur Cano
  • Polymerization catalyst activators, method of preparing, and their use in polymerization processes
    Patent number: 6703338
    Abstract: New polymerization catalyst activators are disclosed which include a heterocyclic compound, which may or may not be substituted, and an aluminum alkyl or an aluminoxane. Supported activators of the invention include the heterocyclic compound, combined with an alkylaluminum or aluminoxane, and a support material, preferably a silica support material. Also disclosed are methods for preparing these catalyst activators and polymerization processes utilizing same.
    Type: Grant
    Filed: June 28, 2002
    Date of Patent: March 9, 2004
    Assignee: Univation Technologies, LLC
    Inventors: Matthew W. Holtcamp, David Arthur Cano
  • Polymerization catalyst activators, method of preparing, and their use in polymerization processes
    Publication number: 20040005983
    Abstract: New polymerization catalyst activators are disclosed which include a heterocyclic compound, which may or may not be substituted, and an aluminum alkyl or an aluminoxane. Supported activators of the invention include the heterocyclic compound, combined with an alkylaluminum or aluminoxane, and a support material, preferably a silica support material. Also disclosed are methods for preparing these catalyst activators and polymerization processes utilizing same.
    Type: Application
    Filed: June 28, 2002
    Publication date: January 8, 2004
    Inventors: Matthew W. Holtcamp, David Arthur Cano