Patents by Inventor William D. Sanchez

William D. Sanchez 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).

  • Cleaning and purifying compositions and associated method for purifying process water from the refinement of petroleum
    Patent number: 8445420
    Abstract: A cleaning and purifying composition including at least one solvent, an alkaline agent, a deflocculant, at least one surfactant selected from the group comprising an alcohol ethoxylate surfactant, an alkylamino-polyethoxy-sulfate surfactant, a polyether-phosphate ester surfactant, a surfactant that is a phosphate ester of an ethoxylated alcohol, and a surfactant that is a polyethyleneglycol monoalkyl ether, and a bonding agent.
    Type: Grant
    Filed: July 21, 2011
    Date of Patent: May 21, 2013
    Inventors: Michael J. Sanchez, William D. Sanchez
  • Cleaning and purifying compositions and associated method for purifying process water from the refinement of petroleum
    Publication number: 20110278494
    Abstract: A cleaning and purifying composition including at least one solvent, an alkaline agent, a deflocculant, at least one surfactant selected from the group comprising an alcohol ethoxylate surfactant, an alkylamino-polyethoxy-sulfate surfactant, a polyether-phosphate ester surfactant, a surfactant that is a phosphate ester of an ethoxylated alcohol, and a surfactant that is a polyethyleneglycol monoaklyl ether, and a bonding agent.
    Type: Application
    Filed: July 21, 2011
    Publication date: November 17, 2011
    Inventors: Michael J. Sanchez, William D. Sanchez
  • Cleaning and purifying compositions and associated method for purifying process water from the refinement of petroleum
    Patent number: 7985721
    Abstract: A cleaning and purifying composition including at least one solvent, an alkaline agent, a deflocculant, at least one surfactant selected from the group comprising an alcohol ethoxylate surfactant, an alkylamino-polyethoxy-sulfate surfactant, a polyether-phosphate ester surfactant, a surfactant that is a phosphate ester of an ethoxylated alcohol, and a surfactant that is a polyethyleneglycol monoaklyl ether, and a bonding agent.
    Type: Grant
    Filed: August 27, 2007
    Date of Patent: July 26, 2011
    Assignee: MWJ, LLC
    Inventors: Michael J. Sanchez, William D. Sanchez
  • Cleaning and purifying compositions and associated method for purifying process water from the refinement of petroleum
    Publication number: 20090057236
    Abstract: A cleaning and purifying composition including at least one solvent, an alkaline agent, a deflocculant, at least one surfactant selected from the group comprising an alcohol ethoxylate surfactant, an alkylamino-polyethoxy-sulfate surfactant, a polyether-phosphate ester surfactant, a surfactant that is a phosphate ester of an ethoxylated alcohol, and a surfactant that is a polyethyleneglycol monoaklyl ether, and a bonding agent.
    Type: Application
    Filed: August 27, 2007
    Publication date: March 5, 2009
    Inventors: Michael J. Sanchez, William D. Sanchez