Patents Examined by Rip Lee
  • Adhesive composition including ethylene/alpha-olefin copolymer
    Patent number: 11505725
    Abstract: The present invention provides an adhesive composition including an ethylene/alpha-olefin copolymer; and a tackifier, wherein the ethylene/alpha-olefin copolymer has narrow molecular weight distribution together with a low density and an ultra low molecular weight, minimized number of unsaturated functional groups, uniform crystallinity, thereby showing excellent physical properties.
    Type: Grant
    Filed: May 3, 2019
    Date of Patent: November 22, 2022
    Inventors: Rae Keun Gwak, Eun Jung Lee, Jin Sam Gong, Jung Ho Jun, Tae Su Kim
  • Polypropylene composition with improved sealing behaviour
    Patent number: 11505686
    Abstract: New polypropylene composition which combines low sealing initiation temperature (SIT), high hot-tack and good mechanical properties, like high dart drop strength (DDI), and its use especially for film applications.
    Type: Grant
    Filed: January 2, 2019
    Date of Patent: November 22, 2022
    Assignee: BOREALIS AG
    Inventors: Markus Gahleitner, Jingbo Wang, Klaus Bernreitner, Peter Niedersuss, Friedrich Berger, Stefan Ortner
  • Metal-ligand complex, catalyst composition for ethylene-based polymerization including the same, and method for preparing ethylene-based polymer using the same
    Patent number: 11505563
    Abstract: Provided are a metal-ligand complex, a catalyst composition for ethylene-based polymerization including the same, and a method for preparing an ethylene-based polymer using the same. Since the metal-ligand complex of the present invention in which a certain functional group is introduced to a certain position has high solubility and catalytic activity, the catalyst composition comprising the same for ethylene-based polymerization including the same may produce an ethylene-based polymer having excellent physical properties.
    Type: Grant
    Filed: June 25, 2018
    Date of Patent: November 22, 2022
    Assignee: SABIC SK NEXLENE COMPANY PTE. LTD.
    Inventors: Yonggyu Han, Yeonock Oh, Miji Kim, Hyunmin Jang
  • Long-chain branched ethylene copolymer with novel composition distribution and films formed from the same
    Patent number: 11492429
    Abstract: What is disclosed is a Ziegler-Natta catalyzed ethylene and alpha-olefin LLDPE copolymer having a unique composition distribution and long chain-branching. The polymers of the present invention inherently exhibit outstanding melt strength with great bubble stability, sufficient flexibility, excellent gel performance, as well as desirable mechanical properties such as balanced toughness and stiffness, which are desirable properties for thick gauge film applications. Specifically, the polymers of the present invention.
    Type: Grant
    Filed: June 5, 2020
    Date of Patent: November 8, 2022
    Assignee: Formosa Plastics Corporation, U.S.A.
    Inventors: Peng Li, Ming-Yung Lee, Tieqi Li, Honglan Lu
  • Particle size control of metallocene catalyst systems in loop slurry polymerization reactors
    Patent number: 11492430
    Abstract: Catalyst compositions containing a metallocene compound, a solid activator, and a co-catalyst, in which the solid activator or the supported metallocene catalyst has a d50 average particle size of 15 to 50 ?m and a particle size distribution of 0.5 to 1.5, can be contacted with an olefin in a loop slurry reactor to produce an olefin polymer. A representative ethylene-based polymer produced using the catalyst composition has excellent dart impact strength and low gels, and can be characterized by a HLMI from 4 to 10 g/10 min, a density from 0.944 to 0.955 g/cm3, a higher molecular weight component with a Mn from 280,000 to 440,000 g/mol, and a lower molecular weight component with a Mw from 30,000 to 45,000 g/mol and a ratio of Mz/Mw ranging from 2.3 to 3.4.
    Type: Grant
    Filed: February 3, 2022
    Date of Patent: November 8, 2022
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Max P. McDaniel, Carlton E. Ash, Kathy S. Clear, Eric D. Schwerdtfeger, Carlos A. Cruz, Jeremy M. Praetorius
  • Slit film tape compositions
    Patent number: 11492474
    Abstract: In an embodiment, a slit film tape composition includes a propylene-based elastomer comprising 1-16 wt % ethylene based on a total weight of the propylene-based elastomer, the propylene-based elastomer having a melt flow rate (MFR) of 1-50 g/10 min; a polypropylene comprising 10-100 mol % propylene based on a total weight of the polypropylene, the polypropylene having a MFR of 2-35 g/10 min; and a filler. In another embodiment, a slit film tape composition includes a propylene-based elastomer comprising from 5-30 wt % ethylene based on a total weight of the propylene-based elastomer, the propylene-based elastomer having a MFR of 35-60 g/10 min; a polypropylene comprising 10-100 mol % propylene based on a total weight of the polypropylene, the polypropylene having a MFR of 2-35 g/10 min; and a filler.
    Type: Grant
    Filed: November 13, 2019
    Date of Patent: November 8, 2022
    Assignee: EXXONMOBIL CHEMICALS PATENTS INC.
    Inventors: Kaushik Das, Nilesh C. Shah, Saifudin M. Abubakar, Saurabh C. Sharma, Virendra K. Tiwari
  • Polyethylene composition having environmental stress cracking resistance
    Patent number: 11485838
    Abstract: A polyethylene composition for producing blow-molded hollow articles, having the following features: 1) density from 0.940 to 0.955 g/cm3, determined according to ISO 1183 at 23° C.; 2) ratio MIF/MIP from 12 to 40; 3) Mz from 500,000 to 3,500,000 g/mol; 4) ?0.02 from 80,000 to 300,000 Pa·s; 5) HMWcopo index from 1 to 15; and 6) Mz/Mw*LCBI lower than 6.4.
    Type: Grant
    Filed: December 12, 2018
    Date of Patent: November 1, 2022
    Assignee: Basell Polyolefine GmbH
    Inventors: Diana Doetsch, Bernd Lothar Marczinke, Gerhardus Meier, Ulf Schueller, Claudio Fibla, Rainer Sattel, Peter Bisson
  • Process
    Patent number: 11485636
    Abstract: The invention provides a process for separating hydrogen from a gaseous feed stream in a polymerisation process, comprising the steps i) polymerising an olefin monomer and optionally at least one olefin comonomer, in the presence of a solvent optionally in the presence of hydrogen, so as to form a polymerisation reaction mixture comprising a polyolefin polymer, unreacted monomer(s), solvent and hydrogen; ii) separating said polyolefin polymer from said unreacted monomer(s), solvent and hydrogen; iii) feeding said unreacted monomer(s) and hydrogen to a condenser so as to form said gaseous feed stream; iv) contacting said gaseous feed stream with a hydrogen separating membrane so as to form a hydrogen-rich gaseous stream and a hydrogen-lean gaseous stream.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: November 1, 2022
    Assignee: BOREALIS AG
    Inventor: Sameer Vijay
  • C2C3 random copolymer
    Patent number: 11485845
    Abstract: New C2C3 random copolymers, which combine low sealing initiation temperature (SIT), high hot-tack, low C6-solubles, good optical properties and an improved stiffness/impact balance, which are particularly suited for preparing blown films. The present invention is furthermore related to the manufacture of said copolymers and to their use, as well as to the blown films comprising such C2C3 random copolymers.
    Type: Grant
    Filed: May 20, 2020
    Date of Patent: November 1, 2022
    Assignee: Borealis AG
    Inventors: Jingbo Wang, Markus Gahleitner, Klaus Bernreitner, Pauli Leskinen, Cornelia Tranninger
  • Ligand for forming ruthenium complex, ruthenium complex catalyst, production method therefor and use thereof
    Patent number: 11471867
    Abstract: The present invention relates to a novel ligand for forming a ruthenium complex, a ruthenium complex catalyst, a production method therefor and a use thereof. The ligand for forming a ruthenium complex and the ruthenium complex catalyst, according to the present invention, exhibit high catalytic activity, high selectivity, and stability.
    Type: Grant
    Filed: June 22, 2018
    Date of Patent: October 18, 2022
    Assignee: Gwangju Institute of Science and Technology
    Inventors: Sukwon Hong, Seunghwan Byun
  • Article of manufacture using an industrial or commercial manufacturing process, wherein the article of manufacture comprises an infrared (IR) phosphorescent material
    Patent number: 11473012
    Abstract: This invention is a commercially manufactured article of manufacture (such as a shoulder patch) comprising an infrared (IR) phosphorescent material that emits in the IR wavelength range (e.g., from approximately seven-hundred nanometers (˜700 nm) to approximately one millimeter (˜1 mm)) after being excited by incident wavelengths of between ˜100 nm and ˜750 nm (or visible light). In other words, once the material has been exposed to visible light, the material will continue to emit in the IR wavelength range for a period of time, even when the material is no longer exposed to the visible light.
    Type: Grant
    Filed: June 25, 2020
    Date of Patent: October 18, 2022
    Assignee: Battle Sight Technologies, LLC
    Inventors: Nicholas R. Ripplinger, Christopher J. Vogt
  • Porous compositions and related methods
    Patent number: 11472915
    Abstract: Porous compositions such as flexible polymers with side chain porosity are generally provided. In some embodiments, the composition comprises a flexible polymer backbone and a plurality of rigid side chains. In some embodiments, the rigid side chains form pores. In some embodiments, the rigid side chains may comprise two or more [2.2.2] bicyclic cores (e.g., formed by a ring opening metathesis polymerization. The compounds and methods described herein may be useful in various applications including, for example, gas separation.
    Type: Grant
    Filed: June 7, 2019
    Date of Patent: October 18, 2022
    Assignee: Massachusetts Institute of Technology
    Inventors: Timothy M. Swager, Yuan He, Zachary Smith, Sharon Lin, Francesco Maria Benedetti
  • Encapsulating composition and encapsulating film comprising same and electronic component assembly
    Patent number: 11472948
    Abstract: The present invention discloses an encapsulation composition, an encapsulation film including the encapsulation composition, and an electronic device module. The encapsulation composition includes a polymer matrix, a tackifier and a free radical initiator. Based on 100 parts by weight of the polymer matrix, the polymer matrix includes 5 to 100 parts by weight of highly branched polyethylene (P1), 0 to 95 parts by weight of an ethylene-?-olefin copolymer, and 0 to 70 parts by weight of an ethylene-polar monomer copolymer. The highly branched polyethylene (P1) is an ethylene homopolymer having a branch structure and has a degree of branching of not less than 40 branches/1,000 carbon atoms. A density of the ethylene-?-olefin copolymer is not higher than 0.91 g/cm3. The encapsulation composition provided by the present invention has good volume resistivity, aging resistance, processability and low cost.
    Type: Grant
    Filed: July 24, 2018
    Date of Patent: October 18, 2022
    Assignee: HANGZHOU XINGLU TECHNOLOGIES CO., LTD.
    Inventors: Tao Xu, Zhisheng Fu, Anyang Wu
  • Process for preparation of ethylene and propylene ionomer
    Patent number: 11472900
    Abstract: The present invention relates to an ethylene and propylene ionomer and a process for the preparation of an ethylene and propylene ionomer.
    Type: Grant
    Filed: December 24, 2018
    Date of Patent: October 18, 2022
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Miloud Bouyahyi, Lidia Jasinska-Walc, Robbert Duchateau
  • Process for preparation of semi-crystalline polyolefinic ionomers
    Patent number: 11466110
    Abstract: The present invention relates to a semi-crystalline polyolefinic ionomer and a process for the preparation of a semi-crystalline polyolefinic ionomer.
    Type: Grant
    Filed: December 24, 2018
    Date of Patent: October 11, 2022
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Lidia Jasinska-Walc, Robbert Duchateau, Miloud Bouyahyi, Anton Ginzburg, Enrico Troisi
  • Process for preparation of amorphous functionalized olefin copolymer
    Patent number: 11466109
    Abstract: The present invention relates to an amorphous functionalized olefin copolymer composition and a process for the preparation of an amorphous functionalized olefin copolymer composition.
    Type: Grant
    Filed: December 24, 2018
    Date of Patent: October 11, 2022
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Miloud Bouyahyi, Lidia Jasinska-Walc, Robbert Duchateau, Marc Tellez Nogales, Jakub Kruszynski, Tatani Aikaterini
  • Curing catalyst for organic polymer or organopolysiloxane, moisturecurable composition, cured product, and production method therefor
    Patent number: 11466157
    Abstract: The present invention provides a curing catalyst for an organic polymer or an organopolysiloxane, which has a high safety and a practical curing speed, and improves the adhesion of a cured product to a substrate, and can be produced at low cost. An aspect of the present invention provides a curing catalyst [B] for an organic polymer or an organopolysiloxane, which is used for curing an organic polymer [A1] or an organopolysiloxane [A2] having a reactive hydrolyzable silicon-containing group, wherein the catalyst [B] contains a titanium compound [B1] represented by the following formula and a secondary amine compound or a tertiary amine compound [B2]. (R1—O)nTi-A4-n (In the formula, R1 is a hydrocarbon group having 1 to 10 carbon atoms, and A is a carboxylic acid residue, and n is 1 or 2.
    Type: Grant
    Filed: November 8, 2018
    Date of Patent: October 11, 2022
    Assignee: Nitto Kasei Co., Ltd.
    Inventor: Haruka Yoshiyama
  • Selective laser sintering composition and selective laser sintering 3D printing method employing the same
    Patent number: 11458677
    Abstract: A selective laser sintering composition and a selective laser sintering 3D printing method employing the same are provided. The selective laser sintering composition includes a nanoscale inorganic powder and a thermoplastic vulcanizate powder. The temperature difference (?T) between the onset temperature for melting the thermoplastic vulcanizate powder and the onset temperature at which the thermoplastic crystallizes vulcanizate powder is greater than or equal to 10° C. The thermoplastic vulcanizate powder includes a thermoplastic and a crosslinked polymer. The temperature difference (?T) between the onset temperature for melting the thermoplastic and the onset temperature at which the thermoplastic crystallizes is greater than or equal to 10° C. , and the weight ratio of the thermoplastic to the crosslinked polymer is from 1:1 to 1:4.
    Type: Grant
    Filed: December 26, 2019
    Date of Patent: October 4, 2022
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Jin-An Wu, Chih-Hung Lee, Fan-Jie Lin, Fu-Ming Chien, Chien-Ming Chen
  • Polyolefin composition
    Patent number: 11459411
    Abstract: A polyolefin composition comprising a polyolefin polymer and an alkenyl-functional monocyclic organosiloxane, products made therefrom, methods of making and using same, and articles containing same.
    Type: Grant
    Filed: June 29, 2017
    Date of Patent: October 4, 2022
    Assignee: Dow Global Technologies LLC
    Inventors: Yabin Sun, Kainan Zhang, Jeffrey M. Cogen, Timothy J. Person
  • Intracellular delivery vehicle
    Patent number: 11452697
    Abstract: An intracellular delivery vehicle of which surface is covered by a positive charge, an intracellular delivery complex in which a component or compound desired is loaded in the intracellular delivery vehicle, a temperature-sensitive probe comprising the intracellular delivery complex, and a method for measuring the intracellular temperature by the temperature-sensitive probe are disclosed. The intracellular delivery vehicle is useful on account of its capability of easily delivering the component or compound desired inside the cell without inhibiting cell proliferation.
    Type: Grant
    Filed: June 12, 2020
    Date of Patent: September 27, 2022
    Assignees: KIRIN HOLDINGS KABUSHIKI KAISHA, THE UNIVERSITY OF TOKYO, TOHOKU UNIVERSITY
    Inventors: Toshikazu Tsuji, Kumiko Ikado, Sayuri Yamada, Seiichi Uchiyama, Kyoko Kawamoto, Hidetoshi Tokuyama, Kentaro Okano