Patents by Inventor David J. Glova

David J. Glova 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: 8569555
    Abstract: A hydrocarbon aromatization process comprising adding a nitrogenate, an oxygenate, or both to a hydrocarbon stream to produce an enhanced hydrocarbon stream, and contacting the enhanced hydrocarbon stream with an aromatization catalyst, thereby producing an aromatization reactor effluent comprising aromatic hydrocarbons, wherein the catalyst comprises a non-acidic zeolite support, a group VIII metal, and one or more halides. Also disclosed is a hydrocarbon aromatization process comprising monitoring the presence of an oxygenate, a nitrogenate, or both in an aromatization reactor, monitoring at least one process parameter that indicates the activity of the aromatization catalyst, modifying the amount of the oxygenate, the nitrogenate, or both in the aromatization reactor, thereby affecting the parameter.
    Type: Grant
    Filed: April 1, 2011
    Date of Patent: October 29, 2013
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Christopher D. Blessing, Scott H. Brown, Tin-Tack Peter Cheung, David J. Glova, Daniel M. Hasenberg, Dennis L. Holtermann, Gyanesh P. Khare, Daniel B. Knorr, Jr.
  • Patent number: 8362310
    Abstract: A hydrocarbon aromatization process comprising adding a nitrogenate, an oxygenate, or both to a hydrocarbon stream to produce an enhanced hydrocarbon stream, and contacting the enhanced hydrocarbon stream with an aromatization catalyst, thereby producing an aromatization reactor effluent comprising aromatic hydrocarbons, wherein the catalyst comprises a non-acidic zeolite support, a group VIII metal, and one or more halides. Also disclosed is a hydrocarbon aromatization process comprising monitoring the presence of an oxygenate, a nitrogenate, or both in an aromatization reactor, monitoring at least one process parameter that indicates the activity of the aromatization catalyst, modifying the amount of the oxygenate, the nitrogenate, or both in the aromatization reactor, thereby affecting the parameter.
    Type: Grant
    Filed: April 1, 2011
    Date of Patent: January 29, 2013
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Christopher D. Blessing, Scott H. Brown, Tin-Tack Peter Cheung, David J. Glova, Daniel M. Hasenberg, Dennis L. Holtermann, Gyanesh P. Khare, Daniel B. Knorr, Jr.
  • Publication number: 20110190559
    Abstract: A hydrocarbon aromatization process comprising adding a nitrogenate, an oxygenate, or both to a hydrocarbon stream to produce an enhanced hydrocarbon stream, and contacting the enhanced hydrocarbon stream with an aromatization catalyst, thereby producing an aromatization reactor effluent comprising aromatic hydrocarbons, wherein the catalyst comprises a non-acidic zeolite support, a group VIII metal, and one or more halides. Also disclosed is a hydrocarbon aromatization process comprising monitoring the presence of an oxygenate, a nitrogenate, or both in an aromatization reactor, monitoring at least one process parameter that indicates the activity of the aromatization catalyst, modifying the amount of the oxygenate, the nitrogenate, or both in the aromatization reactor, thereby affecting the parameter.
    Type: Application
    Filed: April 1, 2011
    Publication date: August 4, 2011
    Applicant: CHEVRON PHILLIPS CHEMICAL COMPANY LP
    Inventors: Christopher D. BLESSING, Scott H. BROWN, Tin-Tack Peter CHEUNG, David J. GLOVA, Daniel M. HASENBERG, Dennis L. HOLTERMANN, Gyanesh P. KHARE, Daniel B. KNORR, JR.
  • Publication number: 20110184217
    Abstract: A hydrocarbon aromatization process comprising adding a nitrogenate, an oxygenate, or both to a hydrocarbon stream to produce an enhanced hydrocarbon stream, and contacting the enhanced hydrocarbon stream with an aromatization catalyst, thereby producing an aromatization reactor effluent comprising aromatic hydrocarbons, wherein the catalyst comprises a non-acidic zeolite support, a group VIII metal, and one or more halides. Also disclosed is a hydrocarbon aromatization process comprising monitoring the presence of an oxygenate, a nitrogenate, or both in an aromatization reactor, monitoring at least one process parameter that indicates the activity of the aromatization catalyst, modifying the amount of the oxygenate, the nitrogenate, or both in the aromatization reactor, thereby affecting the parameter.
    Type: Application
    Filed: April 1, 2011
    Publication date: July 28, 2011
    Applicant: CHEVRON PHILLIPS CHEMICAL COMPANY LP
    Inventors: Christopher D. BLESSING, Scott H. BROWN, Tin-Tack Peter CHEUNG, David J. GLOVA, Daniel M. HASENBERG, Dennis L. HOLTERMANN, Gyanesh P. KHARE, Daniel B. KNORR, JR.
  • Patent number: 7932425
    Abstract: A hydrocarbon aromatization process comprising adding a nitrogenate, an oxygenate, or both to a hydrocarbon stream to produce an enhanced hydrocarbon stream, and contacting the enhanced hydrocarbon stream with an aromatization catalyst, thereby producing an aromatization reactor effluent comprising aromatic hydrocarbons, wherein the catalyst comprises a non-acidic zeolite support, a group VIII metal, and one or more halides. Also disclosed is a hydrocarbon aromatization process comprising monitoring the presence of an oxygenate, a nitrogenate, or both in an aromatization reactor, monitoring at least one process parameter that indicates the activity of the aromatization catalyst, modifying the amount of the oxygenate, the nitrogenate, or both in the aromatization reactor, thereby affecting the parameter.
    Type: Grant
    Filed: July 20, 2007
    Date of Patent: April 26, 2011
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Christopher D. Blessing, Scott H. Brown, Tin-Tack Peter Cheung, David J. Glova, Daniel M. Hasenberg, Dennis L. Holtermann, Gyanesh P. Khare, Daniel B. Knorr, Jr.
  • Patent number: 7582272
    Abstract: A method of servicing a catalytic reactor system, comprising an abatement of at least one hazardous substance from the catalytic reactor system while preserving activity of a catalyst contained therein. A method of servicing a catalytic reactor system, comprising oxidizing the catalytic reactor system at a temperature of from about 350° F. to about 500° F. to abate at least one hazardous substance from the catalytic reactor system and reducing servicing time by about 50% of a time required for complete regenerative oxidation of the catalytic reactor system. A method of servicing a catalytic reactor system, comprising abating at least one hazardous substance from the catalytic reactor system such that a fouling rate of a catalyst contained therein is substantially the same before and after the servicing.
    Type: Grant
    Filed: March 12, 2004
    Date of Patent: September 1, 2009
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: David J. Glova, Tin-Tack Peter Cheung, Dan B. Knorr
  • Patent number: 4556496
    Abstract: A refrigeration lubricating oil composition comprising a branched-chain alkylbenzene or mixture of branched-chain alkylbenzenes containing a total of from 10 to 25 carbon atoms in the alkyl groups, and about 50 ppm to 5 weight percent of a dialkyl sulfosuccinate wherein each alkyl group has 3 to 7 carbon atoms.
    Type: Grant
    Filed: March 28, 1984
    Date of Patent: December 3, 1985
    Assignee: Chevron Research Company
    Inventor: David J. Glova