Patents Examined by Margaret G Moore
  • Patent number: 10993441
    Abstract: Aqueous antimicrobial coating compositions are disclosed comprising at least one organosilane homopolymer, present as a distribution of polymer chain lengths, and optionally at least one amine. A method of preparing an antimicrobial coating comprises coating a surface with the aqueous antimicrobial coating composition and allowing the composition to dry into a film that exhibits residual antimicrobial efficacy against microorganisms even after mechanical abrasion of the coating. The organosilane homopolymer may comprise only 3-aminopropylsilanetriol homopolymer, mixtures of 3-aminopropylsilanetriol homopolymer, 3-chloropropylsilanetriol homopolymer and 3-(trihydroxysilyl)propyl dimethyloctadecyl ammonium chloride homopolymer, or any one of various unique organosilane homopolymers having multiple amine functionality.
    Type: Grant
    Filed: October 3, 2019
    Date of Patent: May 4, 2021
    Inventors: Gavri Grossman, Jie Fang, Parham Asgari, Maha El-Sayed, Craig Grossman, Daniel Moros
  • Patent number: 10988607
    Abstract: A resin composition (X), which is a curable resin composition according to the present invention, contains a curable resin component (10), a surface-modified nanodiamond (20), and an organic medium. The surface-modified nanodiamond (20) includes a ND particle (21), which is a nanodiamond particle, and a silane coupling agent (22). The silane coupling agent (22) has a (meth)acryloyl-containing organic chain and is bonded to the ND particle (21). The resin composition (X) is suitable for forming a nanodiamond-dispersed cured resin portion having both high transparency and high scratch resistance. An optical element according to the present invention has a light-transmitting region and includes a cured resin portion, which is a cured product of the resin composition (X), in at least part of the light-transmitting region. The optical element is advantageous for actually providing an optical element including a cured resin portion or cured resin layer having both high transparency and high scratch resistance.
    Type: Grant
    Filed: February 22, 2017
    Date of Patent: April 27, 2021
    Inventors: Kouichi Umemoto, Takahiro Sakakibara
  • Patent number: 10980236
    Abstract: An aqueous antimicrobial coating composition capable of forming an antimicrobial coating on a surface comprises at least two organosilanes, each of the at least two organosilanes having a structure, R—Si(OR?)3 wherein R=—(CH2)3—Y; Y=+—N(CH3)2(C18H37)X?; +—N(CH3)2(C14H29)X?; +—N(C10H21)2(CH3)X?; —Cl or —NH2; X?=halide, sulfate, nitrate, phosphate, carbonate, organic sulfonate, organic carbonate, BF4?, or ClO4?; and R?=H, methyl or ethyl, or a C3-C6 straight-chained, branched or cyclic alkyl group, with the proviso that the organosilane R—Si(OR?)3 having the C3-C6 straight-chained, branched or cyclic alkyl group hydrolyzes in the aqueous antimicrobial coating composition to R—Si(OH)3.
    Type: Grant
    Filed: July 27, 2020
    Date of Patent: April 20, 2021
    Inventors: Gavri Grossman, Jie Fang, Parham Asgari, Maha El-Sayed, Valerie Beck, Elias Shaheen
  • Patent number: 10981356
    Abstract: An adhesive sheet includes: a carbon nanotube sheet including a plurality of carbon nanotubes aligned preferentially in one direction within a plane of the sheet; and an adhesive agent layer including an adhesive agent, the adhesive agent layer being curable.
    Type: Grant
    Filed: February 23, 2016
    Date of Patent: April 20, 2021
    Inventors: Raquel Ovalle, Masaharu Ito, Kanzan Inoue
  • Patent number: 10982048
    Abstract: The present disclosure discloses an organosilicon-modified polyimide resin composition, comprising an organosilicon-modified polyimide and a thermal curing agent, wherein the organosilicon-modified polyimide comprises a repeating unit represented by the following general formula (I): wherein Ar1 is a tetra-valent organic group having a benzene ring or an alicyclic hydrocarbon structure, Ar2 is a di-valent organic group, R is each independently methyl or phenyl, and the thermal curing agent is selected from the group consisting of epoxy resin, isocyanate and bisoxazoline compounds. The resultant organosilicon-modified polyimide resin composition of the present disclosure has superior transmittance, heat resistance and mechanical strength, and is suitable for producing a flexible LED filament.
    Type: Grant
    Filed: January 29, 2019
    Date of Patent: April 20, 2021
    Inventors: Yukihiro Saito, Hayato Unagiike
  • Patent number: 10982052
    Abstract: A silicone block copolymer having an aminofunctional endblocking group is useful in personal care applications, particularly hair care. A process for making the silicone block copolymer is also described.
    Type: Grant
    Filed: April 24, 2017
    Date of Patent: April 20, 2021
    Assignee: Dow Silicones Corporation
    Inventors: Qian Feng, Brian Harkness, Kimmai Thi Nguyen, Hannah Schmidt, Nisaraporn Suthiwangcharoen, Bethany Johnson
  • Patent number: 10975204
    Abstract: Skin-contact products with a transpiration function such as medical devices or medicinal products, of which face masks, aspirators, ventilators, breast pumps or wound dressings are examples are described especially a skin-contact product with a transpiration function with an improved microclimate at a patient interface material-skin contact area. In an embodiment a material system is described that comprises a hydrophobic silicone base material and a hydrophilic silicone material that is combined with the hydrophobic base material.
    Type: Grant
    Filed: March 2, 2017
    Date of Patent: April 13, 2021
    Inventors: Nicolaas Petrus Willard, Mareike Klee, Lucas Johannes Anna Maria Beckers, Dirk Burdinski, Joyce Van Zanten, Willem Franke Pasveer, Biju Kumar Sreedharan Nair, David W. Smith, Cornelis Petrus Hendriks
  • Patent number: 10967356
    Abstract: A dual ligand sol-gel sorbent and method of manufacture is provided herein. The dual ligand sol-gel sorbent provides superior enrichment effects through simultaneous exploitation of superhydrophobicity of one of the ligands and the ability of the other ligand to undergo ?-? interaction with hydrophobic aromatic analytes. Sorbent performance is enhanced both in terms of analyte enrichment and sorbent stability, such as pH stability and solvent stability.
    Type: Grant
    Filed: November 15, 2017
    Date of Patent: April 6, 2021
    Assignee: University of South Florida
    Inventors: Abdul Malik, Emre Seyyal
  • Patent number: 10954395
    Abstract: A binder for a marine coating composition comprising the reaction product of a polysiloxane unit A? and at least one second monomer B? that undergoes a polymerisation reaction with said polysiloxane unit A? so as to form a copolymer of structure -[ABAB]- wherein the backbone of said copolymer comprises a plurality of hydrolysable ester functional groups that will hydrolyse in the presence of seawater.
    Type: Grant
    Filed: July 11, 2016
    Date of Patent: March 23, 2021
    Assignee: JOTUN A/S
    Inventors: Kim Öberg Hed, Marit Seim, Michael Fiedel, Petra Allef, Georg Schick, Prasad Vishwa Aitha, Tim-Frederic Sloot
  • Patent number: 10954419
    Abstract: A curable composition includes a (meth)acrylic acid ester polymer (A), wherein the (meth)acrylic acid ester polymer (A) includes a monomer and a macromonomer (a). The monomer includes a reactive silicon group represented by the general formula (1): —SiR1aX3-a (1) (in the formula, R1 represents a substituted or unsubstituted hydrocarbon group with 1 to 20 carbon atoms, X each independently represents a hydroxyl group or a hydrolyzable group, and a represents 0 or 1.) and a polymerizable unsaturated group. The macromonomer (a) is a (meth)acrylic acid ester polymer having a polymerizable unsaturated group.
    Type: Grant
    Filed: April 2, 2018
    Date of Patent: March 23, 2021
    Inventor: Kiyoshi Miyafuji
  • Patent number: 10946621
    Abstract: A process for producing a multilayer glass laminate panel having two glass sheets with a poly(vinyl butyral) interlayer sandwiched therebetween, the process comprising the steps of: providing two glass sheets; providing a poly(vinyl butyral) interlayer, and inserting the interlayer between the two glass sheets to produce a laminate; removing air from the produced laminate; applying heat and pressure to the laminate for a hold time, wherein the laminate is free of bubbles at the edges of the laminate. The multilayer glass laminate panel has improved optical properties, and specifically reduced levels of edge defects, such as edge bubbles in the laminate.
    Type: Grant
    Filed: June 7, 2018
    Date of Patent: March 16, 2021
    Assignee: Solutia Inc.
    Inventors: Jun Lu, Kok Leong William Aw, John Joseph D'Errico
  • Patent number: 10940105
    Abstract: Provided is a resin-linear organopolysiloxane block copolymer which has a high degree of freedom in formulation due to excellent compatibility with other materials, in addition to exhibiting excellent film forming properties and followability of a film, while the stickiness of a film is suppressed. The resin-linear organopolysiloxane block copolymer has: a resin structure (A1) block that has siloxane units represented by R1SiO3/2 (wherein R1 represents a monovalent organic group, a hydroxyl group, or an alkoxy group having 1 to 6 carbon atoms) and SiO4/2; and a linear structure (A2) block represented by (R2SiO2/2)n (wherein n represents a number of 5 or more while R represents an alkyl group, a fluoroalkyl group, or an aryl group) in each molecule. The resin structure (A1) and the linear structure (A2) are linked to each other by an Si—O—Si bond, and an Si atom bonded to the resin structure (A1) constitutes an RSiO3/2 unit.
    Type: Grant
    Filed: October 3, 2017
    Date of Patent: March 9, 2021
    Assignees: Dow Silicones Corporation, Dow Toray Co., Ltd.
    Inventors: Haruhiko Furukawa, John Bernard Horstman, Tomohiro Iimura, Tadashi Okawa, Steven Swier
  • Patent number: 10940099
    Abstract: The present invention provides methods for preparing emulsions of silicone fluids having pituitous rheological properties. The present invention also provides emulsions of a silicone fluid having pituitous rheological properties and composition comprising the emulsions. The compositions include, but are not limited to, personal care compositions and compositions for hair shampoo, hair conditioner, hair treatment composition, or skin care product.
    Type: Grant
    Filed: April 4, 2016
    Date of Patent: March 9, 2021
    Assignee: Dow Silicones Corporation
    Inventors: Severine Cauvin, Patrick J. Fryfogle, Sophie Hanssens, Donald Kadlec, Stephane Ugazio, Marine Viaud, Brett Lee Zimmerman
  • Patent number: 10941253
    Abstract: A block copolymer including a first block and a second block, the first block consisting of a polymer (P1) having a repeating structure of a structural unit (u1) containing in a side chain thereof a hyperbranched structure containing a silicon atom.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: March 9, 2021
    Assignees: Tokyo Ohka Kogyo Co., Ltd., Tokyo Institute of Technology
    Inventors: Teruaki Hayakawa, Seina Yamazaki, Rin Odashima, Takehiro Seshimo, Daisuke Kawana, Akiyoshi Yamazaki
  • Patent number: 10941330
    Abstract: In some aspects, the present invention relates generally to self-release compositions and methods useful for the removal or prevention of mineral scaling and, more particularly, to surface coatings and surface treatments that resist, prevent, or aid in removal of mineral scaling. In some aspects, the self-release coating includes a polyhedral oligomeric silsesquioxane and a thermoplastic or an additive.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: March 9, 2021
    Assignee: United States of America as represented by the Secretary of the Air Force
    Inventors: Andrew Guenthner, Jeffrey Alston, Peter H. Boyd, Joseph M. Mabry, Timothy W. Rost
  • Patent number: 10942449
    Abstract: The present invention relates to a photosensitive resin composition and to a cured film formed therefrom, wherein the photosensitive resin composition can improve the sensitivity by using an alcoholic solvent, along with a siloxane polymer and a quinone diazide compound conventionally used, which enhances the solubility in a developer through an interaction between the alcohol and the diazonaphthoquinone (DNQ) group in the quinone diazide compound, as well as can form a cure film having excellent film retention rate even after post-bake.
    Type: Grant
    Filed: October 5, 2017
    Date of Patent: March 9, 2021
    Assignee: Rohm and Haas Electronic Materials Korea Ltd.
    Inventors: Yeonok Kim, Geun Huh, Jong Han Yang, Jin Kwon, Jin Kyu Im
  • Patent number: 10934455
    Abstract: The present invention relates to a polysilsesquioxane resin composition for a flexible substrate. More specifically, the present invention relates to a polysilsesquioxane resin composition for a flexible substrate, having excellent heat resistance and transparency, the resin composition being usable for a flexible display substrate. More specifically, a transparent thin film can be formed, excellent transmittance is exhibited in the visible range even after curing, heat resistance is excellent, and flexibility and crack resistance can be controlled. Compared to a conventional polyimide-based substrate material, the present invention has excellent insulation characteristics and passivation characteristics, which can be satisfied simultaneously, and is advantageous for productivity since release characteristics are ensured during a delamination process from a glass substrate.
    Type: Grant
    Filed: December 29, 2016
    Date of Patent: March 2, 2021
    Inventors: Jun Young Kim, Hwa Young Kim, Ho Sung Choi
  • Patent number: 10926432
    Abstract: A method for preparing a PEKK powder for use in SLS includes the steps of: providing a raw, non-powder PEKK material; heat treating the raw PEKK to evaporate at least substantially all of a liquid solvent in the raw PEKK, causing at least substantially all of the raw PEKK to be in the form of irregularly-shaped particles; cooling the raw PEKK; and grinding the raw PEKK to form a PEKK powder.
    Type: Grant
    Filed: January 16, 2018
    Date of Patent: February 23, 2021
    Assignee: Hexcel Corporation
    Inventors: Scott DeFelice, Anthony DeCarmine
  • Patent number: 10920118
    Abstract: Disclosed is a composition comprising: a) an condensate of one or more aminohydrocarbyl alkoxy silanes and one or more alkenyl alkoxy silanes; b) one or more mercaptohydrocarbyl alkoxy silanes; and c) water; wherein the composition is useful as a primer useful with adhesives or coatings containing polymers having isocyanate functional groups, alkoxysilane functional groups or both. The composition may include one or more epoxyhydrocarbyl silanes. The composition may include one or more alkanols in sufficient amount to improve the volatilization of the liquid components away from substrate surface.
    Type: Grant
    Filed: April 13, 2017
    Date of Patent: February 16, 2021
    Inventors: Huide D. Zhu, Roger A. Cassell, Matthew B. Feldpausch, George D. Sanchez, Andrew R. Kneisel
  • Patent number: 10889738
    Abstract: A room temperature curable sealant/adhesive composition is disclosed. The room temperature curable sealant/adhesive composition comprises: (A) one or more organopolysiloxanes; (B) a hydrophilic material; (C) a cross-linker; (D) a titanate or zirconate catalyst; and (E) one or more optional ingredients. A silicone elastomer formed therefrom and related methods are also disclosed.
    Type: Grant
    Filed: November 18, 2016
    Date of Patent: January 12, 2021
    Assignee: Dow Silicones Corporation
    Inventors: Tommy Detemmerman, Tatiana Dimitrova, Frederic Gubbels