Patents by Inventor Victor Oswaldo Nava-Salgado

Victor Oswaldo Nava-Salgado 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).

  • Phosphine ligand-metal compositions, complexes, and catalysts for ethylene trimerizations
    Patent number: 8404915
    Abstract: This invention relates to a method to selectively oligomerize olefins comprising contacting olefins with: 1) at least one diaryl-substituted diphosphine ligand; 2) a chromium metal precursor; and 3) optionally, one or more activators. In a particular embodiment, the method for selectively oligomerizing olefins includes trimerizing ethylene to selectively form 1-hexene.
    Type: Grant
    Filed: August 24, 2007
    Date of Patent: March 26, 2013
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Laughlin G. McCullough, Francis Charles Rix, John F. Walzer, Lily Joy Ackerman, Keith Anthony Hall, Gary Michael Diamond, Victor Oswaldo Nava-Salgado
  • Phosphine Ligand-Metal Compositions, Complexes, and Catalysts For Ethylene Trimerizations
    Publication number: 20080058486
    Abstract: This invention relates to a method to selectively oligomerize olefins comprising contacting olefins with: 1) at least one diaryl-substituted diphosphine ligand; 2) a chromium metal precursor; and 3) optionally, one or more activators. In a particular embodiment, the method for selectively oligomerizing olefins includes trimerizing ethylene to selectively form 1-hexene.
    Type: Application
    Filed: August 24, 2007
    Publication date: March 6, 2008
    Inventors: Laughlin G. McCullough, Francis Charles Rix, John F. Walzer, Lily Joy Ackerman, Keith Anthony Hall, Gary Michael Diamond, Victor Oswaldo Nava-Salgado