Patents Examined by Rip A. Lee
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Patent number: 11975482Abstract: Disclosed is a composition, in particular to a building material for an additive manufacturing process, wherein the composition is treated by heat. Further, the present invention is directed to a process for the manufacturing of the inventive composition and to a device comprising the inventive composition and the use of the inventive composition.Type: GrantFiled: November 3, 2020Date of Patent: May 7, 2024Assignee: EOS of North America, Inc.Inventors: Richard B. Booth, Ryan A. Corbett, Joseph Tucker
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Patent number: 11976140Abstract: A process for polymerizing polyethylene is disclosed. The process comprises contacting ethylene and at least one comonomer with a catalyst system to produce a polyolefin. The first catalyst and at least a portion of the second catalyst are co-supported to form a commonly-supported catalyst system. The catalyst system is introduced to a line as a dry-feed. The line is coupled with a polymerization reactor. A carrier fluid is added to the line to form a slurry. The slurry is introduced to the polymerization reactor.Type: GrantFiled: October 30, 2019Date of Patent: May 7, 2024Assignee: ExxonMobil Chemical Patents Inc.Inventors: David F Sanders, Matthew W. Holtcamp, Kevin A. Stevens, Joshua P Olson
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Patent number: 11958951Abstract: A resin composition is provided containing a polymer having a structural unit represented by the following Formula (1) in the molecule, and an inorganic filler, in which the inorganic filler contains silica in which a ratio of a number of Si atoms contained in silanol groups to a total number of Si atoms is 3% or less. In Formula (1), Z represents an arylene group, R1 to R3 each independently represent a hydrogen atom or an alkyl group, and R4 to R6 each independently represent a hydrogen atom or an alkyl group having 1 to 6 carbon atoms.Type: GrantFiled: July 30, 2020Date of Patent: April 16, 2024Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Masashi Koda, Yuki Kitai, Atsushi Wada, Yasunori Hoshino
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Patent number: 11945962Abstract: The present invention provides a cationic electrodeposition coating composition that has both good anti-cissing property and good coating film appearance. This is a cationic electrodeposition coating composition containing a silicone compound (A) having an SP value of more than 10.5 and 15.0 or less, and a film forming resin (B), wherein the silicone compound (A) is contained in an amount of 0.01 parts by mass or more and 4.5 parts by mass or less per 100 parts by mass of the resin solid content of the film forming resin (B). For example, the silicone compound (A) is at least one species selected from the group consisting of a polyether modified silicone compound (A-1), a polyester modified silicone compound (A-2), and a polyacrylic modified silicone compound (A-3).Type: GrantFiled: December 12, 2019Date of Patent: April 2, 2024Assignee: NIPPON PAINT AUTOMOTIVE COATINGS CO., LTD.Inventors: Masayuki Kotani, Yuko Hasegawa, Yasuyuki Furuya, Keigo Obata, Keisuke Tsutsui, Hiroki Arai, Hiroyoshi Yamazaki
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Patent number: 11945897Abstract: Methods for preparing a metallocene-based catalyst composition that can impact the long chain branching of ethylene homopolymers and copolymers produced using the catalyst composition are described. The catalyst composition can be prepared by contacting a metallocene compound, a hydrocarbon solvent, and a first organoaluminum compound for a first period of time to form a metallocene solution, and then contacting the metallocene solution with an activator-support and a second organoaluminum compound for a second period of time to form the catalyst composition.Type: GrantFiled: October 18, 2023Date of Patent: April 2, 2024Assignee: Chevron Phillips Chemical Company LPInventors: Qing Yang, Max P. McDaniel, Tony R. Crain
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Patent number: 11946924Abstract: A crosslinked fluoropolymer resin is configured to include a measuring step of irradiating a surface of the crosslinked fluoropolymer resin with a laser to measure a Raman spectrum, and an acceptance or rejection decision step of determining an acceptance or a rejection of a quality of a measurement region irradiated with the laser, on the basis of an intensity of a fluorescence spectrum relative to an intensity of a Raman scattering peak, which is ascribed to a CF2 stretching vibration, in the measured Raman spectrum.Type: GrantFiled: January 19, 2021Date of Patent: April 2, 2024Assignee: PROTERIAL, LTD.Inventors: Kazufumi Suenaga, Koki Hirano, Kenta Kimura
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Patent number: 11939411Abstract: Ethylene-based polymers of this disclosure include an average g? less than 0.86, where the average g? is an intrinsic viscosity ratio determined by gel permeation chromatography using a triple detector; and a molecular weight tail quantified by an MWD area metric, ATAIL, and ATAIL is less than or equal to 0.04 as determined by gel permeation chromatography using a triple detector.Type: GrantFiled: September 27, 2019Date of Patent: March 26, 2024Assignee: Dow Global Technologies LLCInventors: Daniel J. Arriola, Robert D. J. Froese, Teresita Kashyap
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Patent number: 11939455Abstract: A polyolefin-and-poly (2-alkyl-2-oxazoline) formulation comprising (A) an olefin-based (co) polymer, (B) a poly (2-alkyl-2-oxazoline) (co) polymer, and (C) an antioxidant. Also a method of making the composition; a crosslinked polyolefin product made by curing the composition; manufactured articles comprising a shaped form of the inventive formulation or product; and methods of using the inventive formulation, product, or articles.Type: GrantFiled: June 29, 2018Date of Patent: March 26, 2024Assignee: DOW GLOBAL TECHNOLOGIES LLCInventors: Chao He, Yabin Sun, Jeffrey M. Cogen, Timothy J. Person, Hongyu Chen
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Patent number: 11939129Abstract: Methods and apparatus for vacuum forming a beverage carrier yoke are described. The yoke comprises a number (e.g., four or six) collars interconnected by a web, and each collar exhibits dimensions—including a nominal diameter and a substantially uniform thickness—selected to improve strength and increase comfort. The yoke is produced using a slurry comprising a moisture barrier and a fiber base.Type: GrantFiled: October 26, 2020Date of Patent: March 26, 2024Assignee: FOOTPRINT INTERNATIONAL, LLCInventors: Yoke Dou Chung, Brandon Michael Moore, Yiyun Zhang, Michael Theodore Lembeck
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Patent number: 11932724Abstract: A novel family of cycloalkanes compounds having one or more allylidene functionalities which can be used to create cross-linked thermosets and thermoplastics having thermal stability. An example heptacyclo [6.6.0.02,6.03,13.04,11.05,9.010,14] tetradecane (HCTD) complex with terminal allylidene groups at the 7- and 12-positions (HCTD-7,12-diallylidene) was generated from norbornadiene via an efficient six-step synthesis. Thermal polymerization at temperatures ranging from 160 to 240° C. yielded a robust cross-linked material with thermal stability up to 485° C. in air, a glass transition temperature of 377° C., and a char yield (600° C.) of 56% in air. Applications include heat resistant composites utilized in the aerospace, electronic, automotive and textile industries.Type: GrantFiled: April 1, 2021Date of Patent: March 19, 2024Assignee: The United States of America, as represented by the Secretary of the NavyInventors: Benjamin G. Harvey, Kyle E. Rosenkoetter
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Patent number: 11926685Abstract: Ethylene-based polymers of this disclosure include a melt viscosity ratio (V0.1/V100) at 190° C. of at least 10, where V0.1 is the viscosity of the ethylene-based polymer at 190° C. at a shear rate of 0.1 radians/second, and V100 is the viscosity of the ethylene-based polymer at 190° C. at a shear rate of 100 radians/second; and a molecular weight tail quantified by an MWD area metric, ATAIL, and ATAIL is less than or equal to 0.04 as determined by gel permeation chromatography using a triple detector.Type: GrantFiled: September 27, 2019Date of Patent: March 12, 2024Assignee: Dow Global Technologies LLCInventors: Teresita Kashyap, Robert D. J. Froese, Daniel J. Arriola
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Monocyclopentadienyl pyridyl hydroxyl amine catalyst compounds and systems for olefin polymerization
Patent number: 11919981Abstract: This invention relates to mono cyclopentadienyl pyridyl hydroxyl amine catalyst compounds represented by Formula I(a) or I(b): wherein: M is a group 3-12 metal; R1 is a hydrocarbyl group or a silyl group; R2, R3, R4, R5, R6, R7, R8, R9, and R10 are independently selected from the group consisting of hydrogen, hydrocarbyl, alkoxy, silyl, amino, aryloxy, halogen and phosphino, wherein any two adjacent R groups may be joined to form a saturated or unsaturated single or multicyclic hydrocarbyl ring or heterocyclic ring; and each X1 and X2 is independently an anionic leaving group or X1 and X2 may be joined together to form a dianionic group.Type: GrantFiled: October 19, 2021Date of Patent: March 5, 2024Assignee: ExxonMobil Chemical Patents Inc.Inventors: Alex E. Carpenter, Danielle G. Singleton -
Patent number: 11912799Abstract: Ethylene-based polymers comprise reaction products of polymerizing ethylene monomer, at least one diene or polyene comonomer, and optionally at least one C3 to C14 comonomer under defined polymerization reaction conditions, the ethylene-based polymer having: an Mw/Mw0 greater than 1.20. The Mw0 is the initial weight-average molecular weight of a comparative ethylene-based polymer by gel permeation chromatography. The comparative ethylene-based polymer being a reaction product of polymerizing ethylene monomer and all C3 to C14 comonomers present in the ethylene-based polymer, if any, without the at least one polyene comonomer, under the defined polymerization reaction conditions; and a molecular weight tail quantified by an MWD area metric, ATAIL, and ATAIL is less than or equal to 0.04 as determined by gel permeation chromatography using a triple detector.Type: GrantFiled: September 27, 2019Date of Patent: February 27, 2024Assignee: Dow Global Technologies LLCInventors: Robert D. J. Froese, Daniel J. Arriola, Teresita Kashyap, Bryan D. Stubbert
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Patent number: 11912796Abstract: Provided is a novel olefin polymer which is excellent in lightness and moldability, has high rigidity and yields molded products excellent in flexural elasticity. The olefin polymer includes a propylene initial polymerization product formed in the presence of an olefin polymerization catalyst which is a contact reaction product of an olefin polymerization solid catalyst component containing a titanium atom, a magnesium atom, a halogen atom and an internal electron donating compound, at least one organoaluminum compound selected from the compounds of the general formula (I), and a first external electron donating compound; and a polypropylene part formed of a propylene polymerization product formed in the presence of the olefin polymerization catalyst and a second external electron donating compound higher in adsorption to the surface of the olefin polymerization solid catalyst component than the first external electron donating compound.Type: GrantFiled: January 25, 2019Date of Patent: February 27, 2024Assignee: TOHO TITANIUM CO., LTD.Inventors: Toshiya Uozumi, Tetsuya Morioka, Keiichi Kurosaki, Teppei Ishikawa
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Patent number: 11912851Abstract: A compounded polymer composition suitable for manufacturing of isotropic three-dimensional printed articles may include an impact copolymer, a low crystalline ethylene/?-olefin copolymer; a nucleating agent; and filler, where the impact copolymer may include a matrix phase comprising a propylene-based polymer or copolymer; and a dispersed phase in the matrix phase, the dispersed phase comprising an ethylene-based copolymer, the ethylene-based copolymer having a C3-C12 comonomer, wherein the dispersed phase has a different composition than the matrix phase.Type: GrantFiled: May 14, 2021Date of Patent: February 27, 2024Assignee: Braskem America, Inc.Inventors: Juliana Breda Soares, Michelle K. Sing, Jacob Fallon, Alexandre di Pintor da Luz, Leonardo Ito, Hadi Mohammadi
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Patent number: 11905347Abstract: Propylene and alpha olefin random copolymers are disclosed that have excellent flow characteristics. For instance, the copolymers can be formulated so as to have a melt flow rate of greater than about 45 g/10 min. While still retaining the above flow characteristics, the copolymer can also be formulated to have greater stiffness, low xylene soluble content, and excellent transparency characteristics especially when combined with one or more clarifying agents.Type: GrantFiled: June 7, 2019Date of Patent: February 20, 2024Assignee: W.R. GRACE & CO .- CONN.Inventors: Matthew John Fedec, Jan Willem Van Egmond, John Kalevi Kaarto, Amaia Montoya-Goni
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Patent number: 11905345Abstract: The polyethylene according to the present disclosure has a short relaxation time and a uniform particle size, thereby preparing a chlorinated polyethylene excellent in chlorination productivity and glass transition temperature by reacting with chlorine. And, a PVC composition with improved impact strength may also be prepared by including the same.Type: GrantFiled: December 10, 2019Date of Patent: February 20, 2024Assignee: LG Chem, Ltd.Inventors: Si Jung Lee, Sun Mi Kim, Cheolhwan Jeong, Yi Young Choi, Bog Ki Hong, Sunghyun Park
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Patent number: 11905354Abstract: Provided is a method of preparing an acrylonitrile-based copolymer for a carbon fiber, which comprises: preparing a reaction solution including a monomer mixture comprising a sulfonate-based monomer represented by Chemical Formula 1, a carboxylic acid-based monomer, and an acrylonitrile-based monomer and an organic solvent; and subjecting the reaction solution to polymerization, wherein the monomer mixture comprises the sulfonate-based monomer represented by Chemical Formula 1 at 0.55 to 1.6 mol %.Type: GrantFiled: November 1, 2019Date of Patent: February 20, 2024Assignee: LG CHEM, LTD.Inventors: Jong Gil Kim, Chang Hun Kim, Jeong Hun Cho, Hyun Min Kim, Joon Hee Cho, Hyo Yong Kim
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Patent number: 11897975Abstract: The present invention relates to a multi-stage process for producing a C2 to C8 olefin polymer composition in a process comprising at least two reactors, wherein a pre-polymerized solid Ziegler-Natta catalyst is prepared by carrying out an off-line pre-polymerization of a solid Ziegler-Natta catalyst component with a C2 to C4 olefin monomer before feeding to the polymerization process.Type: GrantFiled: September 19, 2019Date of Patent: February 13, 2024Assignee: BOREALIS AGInventors: Klaus Nyfors, Vasileios Kanellopoulos, Erno Elovainio, Ravindra Tupe, Victor Sumerin
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Patent number: 11879026Abstract: The invention relates to a polypropylene composition comprising a terpolymer containing propylene, ethylene and 1-hexene wherein the polypropylene composition (i) has a content of ethylene derived units of at least 1.5 wt %; (ii) has a content of 1-hexene derived units of at least 1.5 wt %; (iii) has a melt flow rate of 0.10 to 0.70 g/10 min determined by ISO 1133-1:2011 (230° C., 2.16 kg); and (iv) has a ratio of weight average molecular weight (Mw) to numeric average molecular (Mn) weight of the terpolymer of 7.0 to 20.0, wherein Mw and Mn are measured according to ASTM D6474-12.Type: GrantFiled: July 22, 2019Date of Patent: January 23, 2024Assignee: SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Henrica Norberta Alberta Maria Steenbakkers-Menting, Patrick Elisabeth Luc Voets, Desiree Marie Louise Seegers, Erik Delsman, Ibrahim Mohammad Alsugai, Musaad Al-Sadhan, Martin Alexander Zuideveld, Akhlaq Moman