Patents Assigned to Chevron Phillip Chemical Company, LP
  • Wellbore drilling compositions
    Patent number: 11078395
    Abstract: Drilling mud compositions including a first concentration of powdered latex and a second concentration of SAS are described. The second concentration of SAS can be greater than or equal to the first concentration of latex. In some examples, the second concentration of SAS can be greater than the first concentration of latex. The drilling mud compositions may include an oil-based carrier, or a water-based carrier. An example technique includes dispersing a first predetermined amount of powdered latex and a second predetermined amount of SAS in a water-based carrier to form a water-based mud. Another example technique includes dispersing a first predetermined amount of powdered latex and a second predetermined amount of SAS in an oil-based carrier to form an oil-based mud.
    Type: Grant
    Filed: December 12, 2019
    Date of Patent: August 3, 2021
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Mario A. Ramirez, Marshall D. Bishop
  • Chromium-catalyzed production of alcohols from hydrocarbons
    Patent number: 11078143
    Abstract: Processes for converting a hydrocarbon reactant into an alcohol compound and/or a carbonyl compound are disclosed, and these processes include the steps of irradiating the hydrocarbon reactant and a supported chromium catalyst comprising chromium in a hexavalent oxidation state with a light beam at a wavelength in the UV-visible spectrum to reduce at least a portion of the supported chromium catalyst to form a reduced chromium catalyst, and hydrolyzing the reduced chromium catalyst to form a reaction product comprising the alcohol compound and/or the carbonyl compound. In addition, these processes can further comprise a step of calcining all or a portion of the reduced chromium catalyst to regenerate the supported chromium catalyst.
    Type: Grant
    Filed: September 14, 2020
    Date of Patent: August 3, 2021
    Assignee: Chevron Phillips Chemical Company, LP
    Inventors: Max P. McDaniel, Carlos A. Cruz, Masud M. Monwar, Jared L. Barr, William C. Ellis
  • Normal alpha olefin synthesis using dehydroformylation or dehydroxymethylation
    Patent number: 11072569
    Abstract: The present invention discloses processes for producing normal alpha olefins, such as 1-hexene, 1-octene, 1-decene, and 1-dodecene in a multistep synthesis scheme from another normal alpha olefin. Also disclosed are reactions for converting aldehydes, primary alcohols, and terminal vicinal diols into normal alpha olefins.
    Type: Grant
    Filed: July 6, 2020
    Date of Patent: July 27, 2021
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Steven M. Bischof, Vy M. Dong, Faben A. Cruz, Xuesong Wu, Stephen Karl Murphy
  • Medium density polyethylene compositions
    Patent number: 11066499
    Abstract: An ethylene alpha-olefin copolymer having (a) a density of from about 0.910 g/cc to about 0.940 g/cc; (b) a weight average molecular weight of from about 150,000 g/mol to about 300,000 g/mol; and (c) a melt index at a load of 2.16 kg of from about 0.01 dg/10 min. to about 0.5 dg/min.; wherein a 1 mil blown film formed from the polymer composition is characterized by (i) a Dart Impact strength greater than about 175 g/mil; (ii) an Elmendorf machine direction tear strength greater than about 20 g/mil; and (iii) an Elmendorf transverse direction tear strength greater than about 475 g/mil.
    Type: Grant
    Filed: October 12, 2020
    Date of Patent: July 20, 2021
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Ashish M. Sukhadia, Guylaine St. Jean, Qing Yang, Max P. McDaniel
  • System and method for monitoring and controlling a polymerization system
    Patent number: 11065595
    Abstract: The present disclosure relates generally to a system having a reactor system with a polymerization reactor and a feed system fluidly coupled to a feed inlet of the reactor. The feed system supplies components to the reactor via the feed inlet, and the reactor has a flow path that continuously conveys the components through the reactor and subjects the components to polymerization conditions to produce a polymer. The system also has an analysis system coupled to the reactor for online monitoring of a particle size of the polymer. Further, the system includes a control system, coupled to the analysis and feed systems, that receives a signal from the analysis system indicative of the monitored particle size of the polymer and adjusts an operating parameter of the feed system to control a flow rate of at least one of the components to the reactor based at least on the signal.
    Type: Grant
    Filed: November 7, 2019
    Date of Patent: July 20, 2021
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Eric D. Schwerdtfeger, Daniel G. Hert, Eric J. Netemeyer
  • Dual catalyst system for producing LLDPE copolymers with a narrow molecular weight distribution and improved processability
    Patent number: 11059921
    Abstract: Disclosed herein are ethylene-based polymers generally characterized by a Mw ranging from 70,000 to 200,000 g/mol, a ratio of Mz/Mw ranging from 1.8 to 20, an IB parameter ranging from 0.92 to 1.05, and an ATREF profile characterized by one large peak. These polymers have the dart impact, tear strength, and optical properties of a metallocene-catalyzed LLDPE, but with improved processability, melt strength, and bubble stability, and can be used in blown film and other end-use applications.
    Type: Grant
    Filed: August 20, 2019
    Date of Patent: July 13, 2021
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Mark L. Hlavinka, Chung Ching Tso, Yongwoo Inn, Deloris R. Gagan, Randy S. Muninger
  • Membrane and pressure swing adsorption hybrid INRU process
    Patent number: 11058987
    Abstract: A process for component separation in a polymer production system, comprising: separating a polymerization product stream into a gas stream and a polymer stream; contacting the polymer stream with a purge gas to yield a purged polymer stream and a spent purge gas stream; introducing the spent purge gas stream to a compressor to produce a compressed gas stream; introducing the compressed gas stream to a first separation unit to produce a first hydrocarbon stream and a membrane unit feed stream; introducing the membrane unit feed stream to a membrane unit to produce a first recovered purge gas stream and a retentate stream; introducing the retentate stream to a second separation unit to produce a second hydrocarbon stream and a PSA unit feed stream; and introducing the PSA unit feed stream to a PSA unit to produce a second recovered purge gas stream and a tail gas stream.
    Type: Grant
    Filed: September 16, 2019
    Date of Patent: July 13, 2021
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Lei Ji, Joseph A. Curren, Ji Xian Loh
  • Flare monitoring and control method and apparatus
    Patent number: 11047573
    Abstract: Disclosed herein are embodiments of a flare control method and a flare apparatus for automatically controlling, in real-time, the flow of one or more of fuel, steam, and air to a flare. The disclosed embodiments advantageously allow for automated control over a wide spectrum of operating conditions, including emergency operations, and planned operations such as startup and shutdown.
    Type: Grant
    Filed: January 30, 2019
    Date of Patent: June 29, 2021
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Charles F. Fisher, Lee N. Green, Gregory G. Hendrickson, Thomas A. Lessard, Kenneth B. Moore, Daniel W. Peneguy
  • SULFUR OXOACID-SUBSTITUTED AND PHOSPHORUS OXOACID-SUBSTITUTED POLYAROMATIC RESINS AND SALTS THEREOF AS PROMOTERS IN ACRYLATE PRODUCTION FROM COUPLING REACTIONS OF OLEFINS AND CARBON DIOXIDE
    Publication number: 20210178373
    Abstract: This disclosure provides for catalyst systems and processes for forming an ?,?-unsaturated carboxylic acid or a salt thereof. In an aspect, the catalyst system can comprise: a transition metal precursor comprising a Group 8-11 transition metal and at least one first ligand; optionally, at least one second ligand; an olefin; carbon dioxide (CO2); a diluent; and an oxoacid anion-substituted polyaromatic resin comprising a sulfonated polyaromatic resin, a phosphonated polyaromatic resin, a sulfinated polyaromatic resin, a thiosulfonated, or a thiosulfinated polyaromatic resin, and further comprising associated metal cations. Methods of regenerating the polyaromatic resin with associated metal cations are described.
    Type: Application
    Filed: February 8, 2021
    Publication date: June 17, 2021
    Applicant: CHEVRON PHILLIPS CHEMICAL COMPANY LP
    Inventors: Pasquale Iacono, Mark L. Hlavinka
  • FORMATION OF ALPHA,BETA-UNSATURATED CARBOXYLIC ACIDS AND SALTS THEREOF FROM METALALACTONES AND ANIONIC POLYELECTROLYTES
    Publication number: 20210179525
    Abstract: This disclosure provides processes for forming acrylic acid and other ?,?-unsaturated carboxylic acids and their salts, including catalytic processes, and catalyst systems for effecting the processes. For example, there is provided a catalyst system for producing an ?,?-unsaturated carboxylic acid or a salt thereof, the catalyst system comprising: (a) a transition metal precursor compound comprising a Group 8-11 transition metal and at least one first ligand; (b) optionally, at least one second ligand; and (c) an anionic polyaromatic resin with associated metal cations. The catalyst system can further comprise (d) an olefin; (e) carbon dioxide (CO2); and (f) a diluent. Methods of regenerating the anionic polyaromatic resin with associated metal cations are described.
    Type: Application
    Filed: February 10, 2021
    Publication date: June 17, 2021
    Applicant: Chevron Phillips Chemical Company LP
    Inventors: Pasquale Iacono, Mark L. Hlavinka
  • System and method for monitoring a reforming catalyst
    Patent number: 11029296
    Abstract: A method of monitoring catalytic performance of a catalyst used in a reforming process, comprising a) collecting gaseous component data from the reforming process; b) calculating a gaseous component ratio from the gaseous component data; and c) utilizing the gaseous component ratio to estimate an amount of catalytic activity remaining in the catalyst used in the reforming process, a number of days on stream remaining for the catalyst used in the reforming process, or both.
    Type: Grant
    Filed: August 23, 2019
    Date of Patent: June 8, 2021
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Israel Garcia, Scott G. Morrison
  • Metallocene catalyst system for producing LLDPE copolymers with tear resistance and low haze
    Patent number: 11028258
    Abstract: Ethylene polymers having a density from 0.908 to 0.925 g/cm3, a melt index from 0.5 to 3 g/10 min, a ratio of Mw/Mn from 2 to 4, a ratio of Mz/Mw from 1.6 to 2.3, a CY-a parameter from 0.45 to 0.6, and an ATREF profile characterized by a single peak at a peak ATREF temperature from 76 to 88° C., and by less than 4.5 wt. % of the polymer eluting above a temperature of 91° C. These ethylene polymers can be used to produce various articles of manufacture, such as blown and cast films with a beneficial combination of high tear resistance and low haze.
    Type: Grant
    Filed: August 19, 2019
    Date of Patent: June 8, 2021
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Chung Ching Tso, Errun Ding, Randall S. Muninger, John T. Blagg, Yongwoo Inn, Max P. McDaniel, Ashish M. Sukhadia, Sarah Eppinger
  • Systems and methods for reducing heat exchanger fouling rate
    Patent number: 11027253
    Abstract: Systems and methods of reducing heat exchanger fouling rate and of producing polyolefins are provide herein.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: June 8, 2021
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Ralph J. Price, Jeffrey S. Lowell
  • System and method for rapid dump tank heating
    Patent number: 11021549
    Abstract: A method of operating a dump tank of a polymer production process by transferring all or a portion of a content of a polymerization reactor into the dump tank, wherein the reactor contents comprise solid polymer, and liquid and gaseous non-product components, and removing at least a portion of the liquid and gaseous non-product components from the dump tank by: reducing a pressure of the dump tank, subjecting the solid polymer to a first cleaning stage comprising heating the solid polymer by introducing a first heated treatment gas into the dump tank, and subjecting the solid polymer to a second cleaning stage comprising purging the solid polymer by introducing a second heated treatment gas into the dump tank.
    Type: Grant
    Filed: May 6, 2019
    Date of Patent: June 1, 2021
    Assignee: Chevron Phillips Chemical Company, LP
    Inventors: Joseph A. Curren, James E. Hein, Ralph W. Romig, Ai-Fu Chang
  • Dual catalyst system for producing high density polyethylenes with long chain branching
    Patent number: 11014997
    Abstract: Disclosed herein are ethylene-based polymers generally characterized by a melt index of less than 1 g/10 min, a density from 0.93 to 0.965 g/cm3, a CY-a parameter at 190° C. of less than 0.2, an average number of short chain branches per 1000 total carbon atoms of the polymer in a molecular weight range of 400,000 to 600,000 g/mol that is greater than that in a molecular weight range of 40,000 to 60,000 g/mol, and an average number of long chain branches per 1000 total carbon atoms of the polymer in a molecular weight range of 400,000 to 600,000 g/mol that is greater than that in a molecular weight range of 4,000,000 to 6,000,000 g/mol.
    Type: Grant
    Filed: May 16, 2019
    Date of Patent: May 25, 2021
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Errun Ding, Qing Yang, Randall S. Muninger, Youlu Yu, Yongwoo Inn
  • Sulfur-containing polyether surfactants for cement spacer fluids and other downhole applications
    Patent number: 11008497
    Abstract: Spacer fluid compositions comprising water, a clay, and a sulfur-containing polyether surfactant are disclosed, and such compositions often can further include a weighting additive, an antifoaming additive, and a co-solvent. These spacer fluid compositions can be used to treat metal casing and to remove drilling fluid residue for improved cement bonding in wellbore applications.
    Type: Grant
    Filed: August 20, 2020
    Date of Patent: May 18, 2021
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Marshall D. Bishop, Shawn M. Flom, Marcus D. Banks
  • Methods and systems for capturing particulates
    Patent number: 11007502
    Abstract: Provided herein are methods of capturing particulates. The methods may include contacting particulates in a gas stream with one or more acoustic waves. The one or more acoustic waves may include standing waves or waves of modulating frequency. The methods may include promoting agglomeration of particulates with an electrostatic force. Also provided herein are systems for capturing particulates.
    Type: Grant
    Filed: May 3, 2018
    Date of Patent: May 18, 2021
    Assignee: Chevron Phillips Chemical Company LP
    Inventor: Gregory G. Hendrickson
  • Aromatization process using heavy aromatic circulation
    Patent number: 11008266
    Abstract: Disclosed are a catalytic method and system for producing aromatic hydrocarbons from aliphatic hydrocarbons or light naphtha. In an aspect, the process comprises adding a diluent comprising a heavy aromatic hydrocarbon (for example, C7-C9+) to a reactor feedstock comprising aliphatic hydrocarbons (for example, C6-C8) or light naphtha to form a reactor feed stream, such that the heat capacity of reactor feed stream is higher than the heat capacity of feedstock. The reactor feed stream is heated and contacting with a catalyst under conditions sufficient to aromatize at least a portion of the aliphatic hydrocarbons and form a product stream comprising a primary aromatic hydrocarbon product and a heavy aromatic hydrocarbon product. In an aspect, the diluent can comprise a heavy aromatic hydrocarbon having at least one carbon atom more than the primary aromatic hydrocarbon product.
    Type: Grant
    Filed: September 9, 2019
    Date of Patent: May 18, 2021
    Assignee: Chevron Phillips Chemical Company LP
    Inventor: Eric P. Weber
  • Methods of preparing a catalyst utilizing hydrated reagents
    Patent number: 10988557
    Abstract: A method of preparing a catalyst comprising a) contacting a titanium-containing compound, a solvating agent, and a solvent to form a solution; b) contacting the solution with a chrominated silica-support to form a pre-catalyst; and c) thermally treating the pre-catalyst by heating to a temperature of from about 400° C. to about 1000° C. for a time period of from about 1 minute to about 24 hours to form the catalyst.
    Type: Grant
    Filed: October 20, 2020
    Date of Patent: April 27, 2021
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Max P. McDaniel, Kathy S. Clear, Eric D. Schwerdtfeger, Jeremy M. Praetorius
  • Elimination of polymer fouling in fluidized bed gas-phase fines recovery eductors
    Patent number: 10988554
    Abstract: An eductor, a process and apparatus for gas phase polymerization of olefins in a polymerization reactor are disclosed. The process and apparatus employ an eductor which has an inlet which makes a bend of less than about 90° toward the outlet after entering the mixing chamber of the eductor.
    Type: Grant
    Filed: July 25, 2019
    Date of Patent: April 27, 2021
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Jeffrey S. Lowell, Gregory G. Hendrickson, Ralph J. Price