Patents Examined by Hoa (Holly) Le
  • Patent number: 10919779
    Abstract: Provided is an iron oxide powder for a brake friction material which can be suitably used in a brake friction material that is less likely to cause problems regarding brake squealing and that provides superior braking performance. The iron oxide powder for a brake friction material according to the present invention is characterized by having an average particle size of 40 ?m or more and a saturation magnetization of 20 emu/g or less. The iron oxide powder preferably has a pore volume of 10-180 mm3/g. The iron oxide powder also preferably has a BET specific surface area of 0.05-1.20 m2/g.
    Type: Grant
    Filed: December 12, 2017
    Date of Patent: February 16, 2021
    Assignee: POWDERTECH CO., LTD.
    Inventors: Koji Aga, Takashi Kojima
  • Patent number: 10898951
    Abstract: Powder particles for forming a homogeneous green body having a sufficient strength and a process for producing a green body by using the powder particles. A green body is shaped by using powder particles of composite particles in which thermoplastic resin particles are scattered on surfaces of large particles in an amount within a predetermined volume ratio range with respect to the large particles, and loaded to form resin pools in contact point peripheral areas of adjoining ones of the large particles and form voids in areas other than the contact point peripheral areas when the thermoplastic resin particles are melted. A green body packed with the powder particles each having a small amount of the thermoplastic resin particles attached thereon is placed under a melting condition of the thermoplastic resin particles, the thermoplastic resin is melted and gathers around contact points (or proximal points) of the adjoining powder particles.
    Type: Grant
    Filed: December 11, 2016
    Date of Patent: January 26, 2021
    Assignee: National University Corporation TOYOHASHI UNIVERSITY OF TECHNOLOGY
    Inventors: Hiroyuki Muto, Atsunori Matsuda, Go Kawamura, Tatsuya Matsusaki
  • Patent number: 10875985
    Abstract: Superabsorbent polymer particles are provided and include clay platelets with edge modification and/or surface modification. The superabsorbent polymer particles include one, or more than one area(s) with clay platelets and one, or more than one area(s) substantially free of clay platelets. The total volume of the area(s) substantially free of clay platelets is higher than the total volume of the area(s) with clay platelets.
    Type: Grant
    Filed: April 17, 2018
    Date of Patent: December 29, 2020
    Assignee: The Procter & Gamble Company
    Inventors: Juliane Kamphus, Arsen Simonyan
  • Patent number: 10843372
    Abstract: An amorphous polylactic acid polymer having a weight average molecular weight in the range of about 35,000 to 180,000 is described. The polylactic acid polymer composition can be hammer milled without cryogenics result in the form of particles wherein 90% of the particles have particle size of about 250 ?m or less and the material has a glass transition temperature of between about 55° C. to about 58° C. and a relative viscosity of about 1.45 to about 1.95 centipoise.
    Type: Grant
    Filed: June 22, 2016
    Date of Patent: November 24, 2020
    Assignee: Purdue Research Foundation
    Inventors: Rusi P. Taleyarkhan, Brian C Archambault, Alexander Charles Bakken
  • Patent number: 10843932
    Abstract: The present invention relates to at least one surface-reacted calcium carbonate-comprising mineral material and/or a surface-reacted precipitated calcium carbonate that is/are coated with at least one anionic polymer to obtain a surface-coated calcium carbonate-comprising material as well as to a process for the preparation of the surface-coated calcium carbonate-comprising material. Furthermore, the present invention relates to a process for the purification of water and/or dewatering of sludges and/or suspended sediments and to the use of a surface-coated calcium carbonate-comprising material for water purification and/or dewatering of sludges and/or suspended sediments.
    Type: Grant
    Filed: March 3, 2016
    Date of Patent: November 24, 2020
    Assignee: Omya International AG
    Inventors: Martine Poffet, Pascal Jäggi, Daniel E. Gerard, Peter Hess
  • Patent number: 10843182
    Abstract: Provided is a composite material including a plurality of porous silicate particles having a glass phase structure, a first active metal adsorbed into the glass phase structure of the porous silicate particles, and a modified layer containing a second active metal formed on the surfaces of the porous silicate particles. The porous silicate particles have an average pore diameter of from 3 nm to 50 nm, and the first active metal includes at least one of sodium, potassium, calcium, and magnesium.
    Type: Grant
    Filed: November 14, 2018
    Date of Patent: November 24, 2020
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Nien-Tsu Lee, Huan-Yi Hung, Chien-Wei Lu, Hsien-Hui Tai
  • Patent number: 10836198
    Abstract: A feature substance is provided for securing the authenticity of documents of value, having at least one luminescent substance in particle form and nanoparticles enveloping the surfaces of the luminescent substance particles at least partially, wherein the properties of the feature substance result from the interaction of the properties of the luminescent substance and of the nanoparticles. The invention furthermore relates to a method for producing the feature substance, a method for securing the authenticity of a security element or document of value using a feature substance, as well as security elements and documents of value with authenticity features on the basis of the feature substance.
    Type: Grant
    Filed: October 19, 2016
    Date of Patent: November 17, 2020
    Assignee: GIESECKE+DEVRIENT CURRENCY TECHNOLOGY GMBH
    Inventors: Ulrich Scholz, Gregor Grauvogl
  • Patent number: 10829849
    Abstract: The invention is directed at sputter targets including 50 atomic % or more molybdenum, a second metal element of niobium or vanadium, and a third metal element selected from the group consisting of titanium, chromium, niobium, vanadium, and tantalum, wherein the third metal element is different from the second metal element, and deposited films prepared by the sputter targets. In a preferred aspect of the invention, the sputter target includes a phase that is rich in molybdenum, a phase that is rich in the second metal element, and a phase that is rich in the third metal element.
    Type: Grant
    Filed: March 1, 2018
    Date of Patent: November 10, 2020
    Assignee: H.C. STARCK, INC.
    Inventors: Gary Alan Rozak, Mark E. Gaydos, Patrick Alan Hogan, Shuwei Sun
  • Patent number: 10821418
    Abstract: The present invention relates to a super absorbent polymer exhibiting more improved liquid permeability and/or absorption rate while maintaining excellent absorption performance. Such super absorbent polymer comprises a base polymer powder including a first cross-linked polymer of a water-soluble ethylenically unsaturated monomer having at least partially neutralized acidic groups; and a surface cross-linked layer formed on the base polymer powder and including a second cross-linked polymer in which the first cross-linked polymer is further cross-linked through an alkylene carbonate having 2 to 5 carbon atoms, and satisfies predetermined physical properties.
    Type: Grant
    Filed: January 10, 2017
    Date of Patent: November 3, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Dae Woo Nam, Chang Sun Han, Hyemin Lee, Hwayoon Jung, Hyung Ki Yoon
  • Patent number: 10815138
    Abstract: Acid mine drainage is treated with borohydride under conditions to yield highly pure iron nanoparticles. The resulting, unique, iron nanoparticles are also described.
    Type: Grant
    Filed: February 7, 2019
    Date of Patent: October 27, 2020
    Assignee: GeoKinetics, LLC
    Inventors: Hubert Lloyd Barnes, Antonio C. Lasaga
  • Patent number: 10807066
    Abstract: To provide a chemical adsorbent for an acid gas, the chemical adsorbent having a high chemical adsorbing performance and not causing resin degradation, and to provide a deodorant processed product such as paper, nonwoven fabric, or fibers, the deodorant processed product exhibiting an excellent deodorizing performance by using the adsorbent. A chemical adsorbent for an acid gas, the chemical adsorbent including an amorphous zirconyl hydroxide represented by Formula (1) below, as a main component, and a deodorant processed product in which the chemical adsorbent for an acid gas is applied or kneaded: (ZrO)1?x(HfO)x(OH)y.zH2O??(1) in which, in Formula (1): x, y, and z each represents a positive number; x represents a number from 0.0001 to 0.005; y represents a number from 1.9 to 3.0; and z represents a number from 0.05 to 1.0.
    Type: Grant
    Filed: October 18, 2017
    Date of Patent: October 20, 2020
    Assignee: TOAGOSEI CO., LTD.
    Inventor: Koji Sugiura
  • Patent number: 10808081
    Abstract: A powder composition includes a plurality of thermoplastic particles and a plurality of flow promoting particles having an optimized flow, coalescence, or both; and methods of preparing three-dimensional articles and methods of preparing a powder coating, and articles prepared by the methods are described herein.
    Type: Grant
    Filed: September 2, 2016
    Date of Patent: October 20, 2020
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventor: Brian Price
  • Patent number: 10793746
    Abstract: A composition having pH of 6 or less comprises composite particles dispersed in an aqueous continuous liquid phase. Each composite particle comprises a non-cationic polymer core surrounded by a silica shell consisting essentially of silica particles having a mean particle diameter of 3.2 nanometers or less. The weight ratio of the total amount of the silica in the composition to the total polymer is in a range of 0.2 to 2.2. The composition is useful for making various articles. A method for making the composition is also disclosed.
    Type: Grant
    Filed: December 25, 2015
    Date of Patent: October 6, 2020
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Naiyong Jing, Shupeng Wu, Zhigang Yu, Jiafeng Liu, Mingna Xiong
  • Patent number: 10784510
    Abstract: The present invention relates to an active material for a lithium secondary battery, which includes a secondary particle formed by agglomeration of primary particles which include a lithium titanium composite oxide represented by Formula 1 or Formula 2, wherein a pore volume is in a range of 0.001 cm3/g to 0.05 cm3/g, and a method of preparing the same, wherein the active material for a lithium secondary battery according to the present invention may maintain an adequate pore volume even during rolling, because strength of the secondary particle is improved by controlling a particle diameter of the primary particle by introducing a metallic element.
    Type: Grant
    Filed: February 3, 2017
    Date of Patent: September 22, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Hye Lim Jeon, Dong Hun Lee, Sung Bin Park, Wang Mo Jung, Seong Hoon Kang
  • Patent number: 10773311
    Abstract: An object of the present invention is to provide a phosphorus-containing copper powder with good volume resistivity and a small carbon content by suppressing an oxygen content to a relatively low value even if a particle size is made small, and a method for producing the same. In the phosphorus-containing copper powder containing phosphorus, a ratio of an oxygen content (wt. %) to a BET specific surface area (m2/g) (oxygen content/BET specific surface area) is 0.90 wt. %·g/m2 or less, a divalent copper compound is present on a surface of particles constituting the phosphorus-containing copper powder, a carbon content is 0.10 wt. % or less, and D50 is 7.11 ?m or less.
    Type: Grant
    Filed: August 18, 2016
    Date of Patent: September 15, 2020
    Assignee: DOWA ELECTRONICS MATERIALS CO., LTD.
    Inventors: Kenichi Inoue, Atsushi Ebara, Masahiro Yoshida, Kyoso Masuda, Takahiro Yamada, Shinichi Uchiyama
  • Patent number: 10773965
    Abstract: The present invention concerns zeolites with hierarchical porosity having a molar ratio Si/Al of between 1 and 1.4, inclusive, of which the average diameter, as a number, is between 0.1 ?m and 20 ?m, having controlled and optimized crystallinity, and having mesoporosity such that the mesoporous outer surface area is between 40 m2·g?1 and 400 m2·g?1. The present invention also concerns the method for preparing said zeolites with hierarchical porosity.
    Type: Grant
    Filed: August 24, 2018
    Date of Patent: September 15, 2020
    Assignee: Arkema France
    Inventors: Serge Nicolas, Karine Lopez, Cécile Lutz, Ludivine Bouvier
  • Patent number: 10766807
    Abstract: The present invention is directed to a kind of machinable glass ceramic which can be chemically toughened. The machinable and chemically toughenable glass ceramic, which comprises, as represented by weight percentage based on the following compositions, 25-75 wt % of SiO2, 6-30 wt % of Al2O3, 0.1-30 wt % of Na2O, 0-15 wt % of K2O, 0-30 wt % of B2O3, 4-35 wt % of MgO, 0-4 wt % of CaO, 1-20 wt % of F, 0-10 wt % of ZrO2, 0.1-10 wt % of P2O5, 0-1 wt % of CeO2 and 0-1 wt % of SnO2, wherein P2O5+Na2O>3 wt %, and Al2O3+Na2O+P2O5>17 wt %. Mica crystalline phase can be formed in the glass ceramic and the glass ceramic can be chemically toughened by one step, two steps or multiple steps with depth of K-ion layer of at least 15 ?m and surface compress stress of at least 300 MPa. The profile on depth of the ion exchange layer follows the complementary error function. Hardness can be improved by at least 20% after chemical toughening. The dimension deviation ratio is less than 0.06% by ion-exchanging.
    Type: Grant
    Filed: August 28, 2017
    Date of Patent: September 8, 2020
    Assignee: SCHOTT Glass Technologies (Suzhou) Co. Ltd.
    Inventors: Huiyan Fan, Junming Xue, Jose Zimmer, Chong Wang, Wenliang Ping
  • Patent number: 10767023
    Abstract: There are provided a porous water-soluble nonionic cellulose ether having an average pore size of 36 ?m or smaller and an average particle size of from 30 to 300 ?m; and a method for continuously producing said cellulose ether comprising the steps of: pulverizing a first water-soluble nonionic cellulose ether to obtain a first pulverized product, and sieving the pulverized product through a sieve having an opening of from 40 to 400 ?m to obtain a first residue-on-sieve and a first sieve-passing fraction, wherein a portion or all of the first residue-on-sieve containing particles having particle sizes smaller than and greater than the opening of the sieve is re-pulverized together with a second water-soluble nonionic cellulose ether in the step of pulverizing to obtain a second pulverized product, which is pulverized to obtain the cellulose ether as a second sieve-passing fraction containing the re-pulverized particles.
    Type: Grant
    Filed: October 25, 2016
    Date of Patent: September 8, 2020
    Assignee: Shin-Etsu Chemical Co., LTD.
    Inventor: Mitsuo Narita
  • Patent number: 10767029
    Abstract: Agglomerated superabsorbent polymer particles are provided and obtained by a method including the steps of: (a) providing precursor superabsorbent polymer particles having a first mass average particle size 1mAvPS, (b) mixing the precursor superabsorbent polymer particles with a solution, and (c) polymerizing the mixed solution if the solution includes polymerizable monomers and/or oligomers or crosslinking the mixed solution if the solution includes crosslinkable polymers. The solution includes (i) homogeneously dispersed therein, clay platelets with opposing basal platelet surfaces and platelet edges; (ii) one or more surface modification compound(s) and/or edge modification compound(s); and (iii) polymerizable monomers and/or oligomers, or (iv) crosslinkable polymers. The agglomerated superabsorbent polymer particles have a second mass average particle size 2mAvPS which is at least 25% greater than the first mass average particle size 1mAvPS.
    Type: Grant
    Filed: April 17, 2018
    Date of Patent: September 8, 2020
    Assignee: The Procter & Gamble Company
    Inventors: Juliane Kamphus, Arsen Simonyan
  • Patent number: 10761057
    Abstract: A method for producing a membrane device includes: forming an insulating film as a first film on a Si substrate; forming a Si film as a second film on the entire surface or a part of the first film; forming an insulating film as a third film on the second film; forming an aperture so as to pass through a part of the third film positioned on the second film and not to pass through the second film; etching a part of the substrate on one side of the first film with a solution that does not etch the first film; and etching a part or all of the second film on the other side of the first film with a gas or a solution that does not etch the first film and has an etching rate for the third film lower than an etching rate for the second film.
    Type: Grant
    Filed: February 13, 2015
    Date of Patent: September 1, 2020
    Assignee: HITACHI, LTD.
    Inventors: Itaru Yanagi, Kenichi Takeda