Patents Examined by Catherine S Branch
  • Patent number: 10323109
    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: November 17, 2017
    Date of Patent: June 18, 2019
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Max P. McDaniel, Kathy S. Clear, Eric D. Schwerdtfeger, Jeremy M. Praetorius
  • Patent number: 10315395
    Abstract: Disclosed herein is a multilayered article comprising a core layer comprising a thermoplastic polymer; where the thermoplastic polymer comprises a polyolefin, thermoplastic starch, and a compatibilizer; where the compatibilizer does not contain ethylene acrylic acid; where the polyolefin is not polypropylene and where the polyolefin present in an amount of greater than 40 wt %, based on a total weight of the core layer; a first layer comprising a thermoplastic resin; and a second layer comprising a thermoplastic resin; where the first layer and the second layer are devoid of fillers; where the first layer is disposed on a side of the core layer that is opposed to the side that contacts the second layer; where the multilayered article has an optical clarity of greater than 80% when measured as per ASTM D 1746 and a total haze less than 8% when measured as per ASTM D 1003.
    Type: Grant
    Filed: December 16, 2015
    Date of Patent: June 11, 2019
    Inventors: Kalyan Sehanobish, Santosh S. Bawiskar, Eric Hui Chin Tu, Peter Kwok-Wai Fung, Peter Yap, Xiaosong Wu, Rajen M. Patel
  • Patent number: 10316184
    Abstract: A low printing temperature thermoplastic filament composition for fused filament fabrication 3D printing is described. The filament includes polycaprolactone in an amount from 70 to 90 wt %, at least one thermoplastic polymer having a melting temperature between approximately 60° C. and approximately 90° C. in an amount from approximately 10 to 30 wt %, at least one antioxidant, and at least one plasticizing agent. This 3D printing filament can be printed out at temperatures below 100° C. and no heated print bed is needed, which saves energy and minimizes the complexity of 3D printer. Besides the low printing temperature, this 3D printing material is bio-friendly which makes it safe for household use.
    Type: Grant
    Filed: December 30, 2016
    Date of Patent: June 11, 2019
    Inventors: Jifan Li, Kai Li, Li Lu
  • Patent number: 10316474
    Abstract: Provided is an elastic infill for artificial turf. The elastic infill is produced by pelletization of an elastomer composition comprising a silane coupling agent and a mixture of an olefin copolymer-containing base resin and an inorganic filler. The silane coupling agent is present in admixture with the mixture. Alternatively, the silane coupling agent may be grafted onto the olefin copolymer to allow cross-linking of the olefin copolymer in the presence of water.
    Type: Grant
    Filed: March 6, 2015
    Date of Patent: June 11, 2019
    Assignee: FINE CHEMICAL CO., LTD.
    Inventor: Sung Yull Lee
  • Patent number: 10319914
    Abstract: The invention relates to novel mixtures of substituted fullerenes, to their use in organic electronic (OE) devices, especially organic photovoltaic (OPV) devices and organic photodetectors (OPD), and to OE, OPV and OPD devices comprising these fullerene mixtures.
    Type: Grant
    Filed: August 3, 2015
    Date of Patent: June 11, 2019
    Inventors: Graham Morse, Jonathan Henry Wilson, Nicolas Blouin, Solene Bechu
  • Patent number: 10311993
    Abstract: The present invention includes composition and methods for a core matrix comprising a dissolved cellulose fiber of, e.g., high molecular weight (DP>5000) or microcrystalline cellulose of low molecular weight (DP: 150-300), printed into a two or three dimensional pattern; a conductive material comprising a carbon nanotube or graphene oxide disposed on or about the cellulose fiber or microcrystalline cellulose; and an enhancer or stabilizer that stabilizes the dissolved cellulose or microcrystalline cellulose disrupted during a printing process, wherein the conductive material and the cellulose or microcrystalline cellulose forms one or more features in or on the cellulose fiber or microcrystalline cellulose.
    Type: Grant
    Filed: November 18, 2016
    Date of Patent: June 4, 2019
    Assignee: Texas Tech University System
    Inventors: Noureddine Abidi, Yang Hu
  • Patent number: 10308737
    Abstract: The present invention deals with a process for polymerizing ethylene in the presence of an olefin polymerization catalyst comprising titanium, magnesium and halogen in at least one polymerization stage where ethylene is polymerized in slurry, the process comprising treating the polymerization catalyst in a pre-treatment step by polymerizing an olefin on the polymerization catalyst so that the ratio of the weight of the olefin polymer to the weight of the original solid catalyst component is from 0.1 to 10 g/g and using the pre-treated catalyst in the production of ultra-high molecular weight polyethylene.
    Type: Grant
    Filed: September 29, 2015
    Date of Patent: June 4, 2019
    Assignee: BOREALIS AG
    Inventors: Ravindra Tupe, Pernilla Fagerstolt
  • Patent number: 10301400
    Abstract: The present invention is directed to a method of making a functionalized elastomer, comprising the step of polymerizing monomers comprising a conjugated diene monomer in the presence of a lathanide-based coordination polymerization catalyst activated with a magnesium compound of formula 1 where R1 is phenylene, or a linear or branched alkane diyl group containing 2 to 10 carbon atoms, or a combination of one or more phenylene groups and one or more linear or branched alkane diyl groups containing 1 to 10 carbon atoms; Q is of formula 2 or 3 where R2 is phenyl, or a linear or branched alkyl group containing 2 to 10 carbon atoms; where R3 and R4 are independently phenyl or a linear or branched alkyl group containing 1 to 10 carbon atoms, or R2 and R3 taken together with the nitrogen atom represent a nitrogen containing heterocyclic group containing from 4 to 12 carbon atoms.
    Type: Grant
    Filed: August 15, 2017
    Date of Patent: May 28, 2019
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Stefan Mecking, Margaret Flook Vielhaber, Hannes Leicht, Julia Katharina Bauer, Inigo Gottker genannt Schnetmann
  • Patent number: 10294171
    Abstract: A composition comprising a perfluoro-N2-phosphinylamidine chromium salt complex having Structure PFAHNPACr I: wherein Rf1 is a substituted phenyl group comprising alkyl groups at the 2 and 6 positions and at least one fluoro group or perfluoroalkyl group at the 3, 4, and/or 5 positions, R2 is a C1 to C30 organyl group, R4 and R5 are each independently a C1 to C30 organyl group, and CrXp is a chromium salt where X is a monoanion, and p is an integer from 2 to 6.
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: May 21, 2019
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Steven M. Bischof, Uriah J. Kilgore, Orson L. Sydora, Daniel H. Ess, Jack T. Fuller, III, Doo-Hyun Kwon
  • Patent number: 10287428
    Abstract: Provided herein is a composition containing a hydrogenated blend of a semi-crystalline, selectively hydrogenated block copolymer, a selectively diblock copolymers lacking semi-crystalline blocks, and a low polarity fluid for cable filling applications. The block copolymer comprises blocks of semi-crystalline hydrogenated polybutadiene, blocks of poly(mono alkenyl arenes), and blocks of hydrogenated, non-crystalline conjugated dienes. The diblock copolymer comprises blocks of poly(mono alkenyl arenes) and blocks of non-crystalline poly(conjugated diene(s)). The compositions can be converted to non-flowable gels and find application as fillers for cables such as fiber optic cables.
    Type: Grant
    Filed: June 7, 2016
    Date of Patent: May 14, 2019
    Assignee: Kraton Polymers U.S. LLC
    Inventors: Robert C. Bening, Erin Murphy, Carl L. Willis
  • Patent number: 10286372
    Abstract: Disclosed are insert assemblies with stacked gas flow gaps to add and/or remove gases from a solid/gas mixture travelling through a barrier. An example system may comprise a barrier and an insert assembly in the barrier defining an annulus between the insert assembly and the barrier, wherein the insert assembly comprises stacked flow gaps configured for addition and/or removal of gas from a solid/gas mixture flowing in the annulus.
    Type: Grant
    Filed: March 10, 2015
    Date of Patent: May 14, 2019
    Assignee: Univation Technologies, LLC
    Inventors: William R. Peckol, Donald A. Fischer
  • Patent number: 10280234
    Abstract: This invention relates to novel transition metal catalyst compounds comprising four oxygen atoms bonded to a transition metal where two of the oxygen groups are bonded to the metal by dative bonds and a silyl or germyl bridge, catalyst systems comprising such, and polymerization processes using such.
    Type: Grant
    Filed: October 12, 2017
    Date of Patent: May 7, 2019
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Donna J. Crowther, Hua Zhou, Jacqueline A. Lovell
  • Patent number: 10273321
    Abstract: Solid catalyst components for use in olefin polymerization, olefin polymerization catalyst systems containing the solid catalyst components, methods of making the solid catalyst components and the catalyst systems, and methods of polymerizing and copolymerizing olefins involving the use of the catalyst systems. The solid catalyst components are formed by (a) dissolving a magnesium compound and an auxiliary intermediate electron donor in at least one first solvent to form a solution; (b) contacting a first titanium compound with said solution to form a precipitate of the magnesium compound and the first titanium compound; (c) washing the precipitate with a mixture of a second titanium compound and at least one second solvent and optionally an electron donor at a temperature of up to 90° C.; and (d) treating the precipitate with a mixture of a third titanium compound and at least one third solvent at 90-150° C. to form a solid catalyst component.
    Type: Grant
    Filed: December 20, 2016
    Date of Patent: April 30, 2019
    Assignee: W.R. Grace & Co.-Conn.
    Inventors: Vladimir P. Marin, Ahmed Hintolay, Michael Donald Spencer
  • Patent number: 10273320
    Abstract: The instant invention provides a polyethylene composition and process for polymerizing the same. The polyethylene composition according to the present invention comprises the polymerization reaction of ethylene and optionally one or more ?-olefin comonomers in the presence of a catalyst system, wherein said polyethylene composition comprises at least 2 or more molecular weight distributions, measured via triple detector GPC low angle laser light scattering (GPC-LALLS), described in further details hereinbelow, wherein each molecular weight distribution has a peak, and wherein measured detector response of peak 1 divided by the measured detector response of peak 2 is in the range of from 0.50 to 0.79, for example from 0.55 to 0.77.
    Type: Grant
    Filed: October 23, 2017
    Date of Patent: April 30, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Ronald P. Markovich, Robert J. Jorgensen
  • Patent number: 10266624
    Abstract: The present invention relates to an olefin polymerization process, wherein propylene and 1-butene and optionally ethylene are reacted in the presence of a Ziegler-Natta catalyst system so as to obtain a polypropylene, wherein the polypropylene comprises 1-butene-derived comonomer units in an amount of from 0.5 to 15 wt % and optionally ethylene-derived comonomer units in an amount of up to 3 wt %, and the Ziegler-Natta catalyst system comprises an external donor of the formula (I) (R3)z(R2O)YSi(R1)X??(I).
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: April 23, 2019
    Assignee: BOREALIS AG
    Inventors: Wilfried Toltsch, Luigi Resconi
  • Patent number: 10266767
    Abstract: A method is disclosed for forming a blended phosphor composition. The method includes the steps of firing precursor compositions that include europium and nitrides of at least calcium, strontium and aluminum, in a refractory metal crucible and in the presence of a gas that precludes the formation of nitride compositions between the nitride starting materials and the refractory metal that forms the crucible. The resulting compositions can include phosphors that convert frequencies in the blue portion of the visible spectrum into frequencies in the red portion of the visible spectrum.
    Type: Grant
    Filed: August 11, 2016
    Date of Patent: April 23, 2019
    Assignee: Cree, Inc.
    Inventors: Brian T. Collins, Christopher P. Hussell, David T. Emerson, Ronan P. Le Toquin
  • Patent number: 10259896
    Abstract: The present disclosure relates to a single-pot multi step process for the preparation of a shape controlled pro-catalyst. The process comprises the steps of: i. reacting magnesium metal and at least one alkanol to obtain spheroidal magnesium alkoxide; ii. treating the spheroidal magnesium alkoxide with at least one transition metal tetrahalide, at least one organic modifier, and optionally, at least one in-organic modifier in the presence of at least one solvent to obtain a reaction mixture; iii. cooling, settling the reaction mixture and decanting the supernatant; iv. adding at least one transition metal tetrahalide, at least one solvent and optionally, at least one organic or inorganic modifier; and v. iterating steps (iii) and (iv) to obtain the shape controlled pro-catalyst.
    Type: Grant
    Filed: May 22, 2015
    Date of Patent: April 16, 2019
    Assignee: Reliance Industries Limited
    Inventors: Virendrakumar Gupta, Sanjay Govindbhai Chauhan, Hiren Manojkumar Bhajiwala, Shakil Shabbir Sayyed, Suketu Vakil
  • Patent number: 10253117
    Abstract: The invention describes a process for producing a diene polymer, the process including the following steps in this order i) polymerizing one or more diene monomers in the presence of a catalyst composition to give a reaction mixture; ii) adding to the reaction mixture one or more alkoxysilane compounds; iii) adding S2Cl2, SCl2, SOCl2, S2Br2, SOBr2 or a mixture thereof to the reaction mixture; and iv) optionally adding a protic agent to the reaction mixture so as to deactivate the catalyst. The invention further includes polymers that are obtainable according to this process, as well as products including the polymer.
    Type: Grant
    Filed: October 18, 2017
    Date of Patent: April 9, 2019
    Inventors: Thomas D. Ruehmer, Sven Thiele, Anke Schmudde, Dieter Bellgardt
  • Patent number: 10253115
    Abstract: Process for producing of a capacitor film comprising the steps of (a) polymerizing propylene in the presence of a catalyst comprising a solid catalyst system obtaining a polypropylene, (b) subjecting said polypropylene to a film forming process obtaining a capacitor film, wherein during the polymerization step (a) said catalyst comprising the solid catalyst system fragments into nanosized catalyst fragments being distributed in said polypropylene, said solid catalyst system comprises a transition metal, a metal which is selected from one of the groups 1 to 3 of the periodic table (IUPAC), and an internal electron donor.
    Type: Grant
    Filed: August 29, 2012
    Date of Patent: April 9, 2019
    Assignee: BOREALIS AG
    Inventors: Peter Denifl, Pirjo Jaaskelainen, Timo Leinonen, Bo Malm, Anders E. Nymark, Torvald Vestberg
  • Patent number: 10252850
    Abstract: A redox composition includes a carbohydrate material and a catalytic molar amount of an organic compound positioned in catalytic relationship with the carbohydrate material to catalyze oxidation of the carbohydrate material in an environment in which the carbohydrate material would not otherwise oxidize.
    Type: Grant
    Filed: March 31, 2015
    Date of Patent: April 9, 2019
    Assignee: Multisorb Technologies, Inc.
    Inventors: Mrunal R. Thatte, Stanislav E. Solovyov, Thomas H. Powers