Patents Examined by Jeffrey C. Mullis
  • Patent number: 11986533
    Abstract: A composition includes a macromolecular polyacrylamide copolymer excipient with an ?-end including a ROMP-active norbornene end-group and a ?-end including a terminal monomer with an end group chosen from: a hydrogen atom (H); or a functionalized acrylate with functionality chosen from alkyl, hydroxyl (OH), methyl-polyethylene glycol ((PEG)-CH3), hydroxy-PEG (PEG-OH), carboxylic acid (COOH), and combinations thereof. A biological compound chosen from active pharmaceutical ingredients, proteins, polynucleotides, and mixtures and combinations thereof is non-covalently bound with the macromolecular excipient.
    Type: Grant
    Filed: January 21, 2022
    Date of Patent: May 21, 2024
    Assignee: Regents of the University of Minnesota
    Inventors: Theresa Reineke, Frank S. Bates, Monica Ohnsorg
  • Patent number: 11970637
    Abstract: Provided is a block polymer including two or more polymer block As each having a value ? of 0.20 or less and a functional group F containing at least one element selected from a group consisting of nitrogen, silicon, oxygen, and sulfur in a part or all of terminals of the two or more polymer block As, in which the block polymer has a value ? of 0.75 or more, when p, q, r and s are defined as a component proportion (molar proportion) of a structural unit represented by Formula (1), a component proportion of a structural unit represented by Formula (2), a component proportion of a structural unit represented by Formula (3), and a component proportion of a structural unit represented by Formula (4), in the polymer, respectively.
    Type: Grant
    Filed: March 8, 2022
    Date of Patent: April 30, 2024
    Assignee: ENEOS MATERIALS CORPORATION
    Inventors: Toshimitsu Kikuchi, Hirofumi Senga, Tatsumoto Nakahama, Takuya Sano, Takato Fukumoto, Yuto Sakagami, Toshiyuki Hayakawa
  • Patent number: 11970607
    Abstract: To provide a polyacetal resin composition and a molded article thereof, which are less likely to crack even if stressed in contact with any hydrochloric acid-containing liquid. The polyacetal resin composition contains, per 100 parts by mass of a polyacetal resin: 0.01 to 10 parts by mass of at least one fatty acid metal salt selected from 1) to 3) below; and 0.1 to 5 parts by mass of a stress relaxant having a melting point of 67.5° C. to 200° C. when measured by using a differential scanning calorimeter at a flow rate of nitrogen of 20 cm3/min and at a heating rate of 10° C./min. 1) metal salt formed of long chain fatty acid having 10 to 34 carbon atoms and calcium; 2) metal salt formed of long chain fatty acid having 10 to 34 carbon atoms and zinc; and, 3) metal salt formed of long chain fatty acid having 10 to 34 carbon atoms and magnesium.
    Type: Grant
    Filed: July 9, 2019
    Date of Patent: April 30, 2024
    Assignee: GLOBAL POLYACETAL CO., LTD.
    Inventors: Takashi Ishii, Tsuyoshi Isozaki
  • Patent number: 11964913
    Abstract: Insulation panel made from an insulation panel precursor comprising at least one modified layered silicate.
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: April 23, 2024
    Assignee: MÜHL ENGINEERING SYSTEMS GMBH
    Inventors: Christian Mühl, Arthur Oswald, Wolfgang Bremser
  • Patent number: 11958969
    Abstract: A latex of a styrene-based block copolymer includes a styrene-based block copolymer and water. The styrene-based block copolymer includes a toluene insoluble content of 30 to 95 wt %. The latex of the styrene-based block copolymer is superior in the processability and can provide a molded film such as a dip-molded product having the high tear strength, the high stress retention and the soft texture.
    Type: Grant
    Filed: August 15, 2019
    Date of Patent: April 16, 2024
    Assignee: ZEON CORPORATION
    Inventors: Junji Kodemura, Yoshitaka Satoh
  • Patent number: 11952481
    Abstract: The present invention relates to a heterophasic propylene copolymer polymerized the presence of a single-site catalyst with a low tensile modulus, a process for preparing such a heterophasic propylene copolymer and articles made therefrom.
    Type: Grant
    Filed: January 9, 2019
    Date of Patent: April 9, 2024
    Assignee: BOREALIS AG
    Inventors: Markus Gahleitner, Jingbo Wang, Klaus Bernreitner, Peter Wilfried Toltsch, Simon Schwarzenberger
  • Patent number: 11952485
    Abstract: The invention relates to a (meth)acrylic composition comprising: (a) 100 parts by weight of a liquid (meth)acrylic syrup comprising: (a1) from 10% by weight to 50% by weight of one or more (meth)acrylic polymers P1, and (a2) from 50% by weight to 90% by weight of one or more (meth)acrylic monomers M1 comprising only one (meth)acrylic function per monomer, (b) from 20 parts by weight to 300 parts by weight of a mineral filler C, (c) from 0.01 part by weight to 5 parts by weight of a (meth)acrylic monomer M2 comprising at least two (meth)acrylic functions per monomer, (d) from 0.01 part by weight to 5 parts by weight of a (meth)acrylic monomer M3, the monomer M3 being: either a (meth)acrylic monomer M31 comprising only one (meth)acrylic function per monomer and being different from the monomer(s) M1, or a (meth)acrylic monomer M32 comprising at least two (meth)acrylic functions per monomer and being different from the monomer M2, and (e) from 0.
    Type: Grant
    Filed: June 27, 2019
    Date of Patent: April 9, 2024
    Assignee: ARKEMA FRANCE
    Inventors: Gilles Francois, Guillaume Cledat
  • Patent number: 11952482
    Abstract: A heterophasic polypropylene composition (C) comprising: a. 60.0 to 85.0 wt.-% of a first heterophasic propylene ethylene copolymer (HECO1), having: i. 75.0 to 92.0 wt.-% of a CRYSTEX QC crystalline fraction (CF); ii. 8.0 to 25.0 wt.-% of a CRYSTEX QC soluble fraction (SF); iii. an IV(SF) of 2.00 to 4.00 dl/g; b. 5.0 to 20.0 wt.-% of a second heterophasic propylene ethylene copolymer (HECO2), having i. 15.0 to 30.0 wt.-% of a CRYSTEX QC soluble fraction (SF); ii. an IV(SF) of 2.5 to 5.0 dl/g; and c. 5.0 to 20.0 wt.-% of a polymer of ethylene (PE), being selected from an ethylene-based plastomer and an LDPE, having a density in the range from 895 to 925 kg/m3; wherein the heterophasic polypropylene composition (C) has an MFR2 in the range from 15.0 to 40.0 g/10 min, and 5.0 to 23.0 wt.-% of a CRYSTEX QC soluble fraction (SF).
    Type: Grant
    Filed: July 8, 2021
    Date of Patent: April 9, 2024
    Assignee: BOREALIS AG
    Inventors: Cornelia Tranninger, Daniela Mileva, Georg Grestenberger
  • Patent number: 11945977
    Abstract: A hot melt adhesive comprises at least one polymer selected from the group consisting of polystyrene, polybutene, polyisobutene, linear low density polyethylene, polypropylene random copolymer, polypropylene, olefin block copolymer, polyolefins, styrene block copolymers, and ethyl vinyl acetate polymers; a tackifying resin; and at least one precisely end-capped polystyrene (PECPS). The use of the styrene-based oligomers and polymers with the precisely controlled end-groups in hot melt adhesive formulations to improve compatibility with polymers and block copolymers frequently used in such adhesives.
    Type: Grant
    Filed: February 20, 2018
    Date of Patent: April 2, 2024
    Assignee: Bostik, Inc.
    Inventors: Steven D. Gray, Darius K. Deak, Brian R. Minix, Edward P. Tomlinson
  • Patent number: 11939415
    Abstract: Disclosed herein are embodiments of an additively manufactured polysiloxane-based object, as well as composition embodiments for making such object embodiments. Also disclosed are embodiments of a method for making the additively manufactured polysiloxane-based object using the composition embodiments described herein. The disclosed composition embodiments and method embodiments provide objects that are substantially free of contaminants that deleteriously affect structural integrity and that comprise a polymer skeleton consisting of oxygen-silicon bonds wherein the silicon component can further comprise one or more branching groups.
    Type: Grant
    Filed: February 5, 2021
    Date of Patent: March 26, 2024
    Assignee: Triad National Security, LLC
    Inventors: Kyle Cluff, Matthew Lee, Nicholas Parra-Vasquez, Cassandra Reese, Matthew Crall
  • Patent number: 11932726
    Abstract: The instant disclosure provides (among other things) improved methods of preparing fluorenyl-based polymeric reagents, methods of recovering and purifying such polymeric reagents, methods of reducing unwanted impurities in a fluorenyl-based polymeric reagent, fluorenyl-based polymeric reagents prepared by the methods described herein, and conjugates prepared by reaction with fluorenyl-based polymeric reagents prepared by the methods described herein.
    Type: Grant
    Filed: October 11, 2019
    Date of Patent: March 19, 2024
    Assignee: Nektar Therapeutics
    Inventors: Sean M. Culbertson, Samuel P. McManus, Antoni Kozlowski, Venkata Ravidnranadh Somu
  • Patent number: 11926684
    Abstract: A cast film inducing a bimodal ethylene-based polymer having a high density fraction (HDF) from 3.0% to 10.0%, an I10/I2 ratio from 5.5 to 7.0, a short chain branching distribution (SCBD) less than or equal to 10° C., a density from 0.910 g/cc to 0.920 g/cc, and a melt index (I2) from 1.0 g/10 mins to 8.0 g/10 mins.
    Type: Grant
    Filed: June 13, 2019
    Date of Patent: March 12, 2024
    Assignee: Dow Global Technologies LLC
    Inventors: Kyle E. Hart, Mehmet Demirors, Timothy W. Gambrel, Philip P. Fontaine, Vivek Kalihari, Hrishikesh R. Munj, Jon W. Hobson, Rajen M. Patel
  • Patent number: 11905422
    Abstract: The invention is drawn to a method of coating a glass fiber textile comprising the following steps: —Preparing an aqueous coating composition comprising (a) 5 to 95% by weight, with respect to the total weight of (a) and (b), of a synthetic polymer or oligomer dissolved or dispersed in the aqueous coating composition, and (b) 5 to 95% by weight, with respect to the total weight of (a) and (b), of a dextrin exhibiting a weight-average molecular weight ranging from 250 000 to 2 000 000 Da and a solubility, measured according to a test A, ranging from 50 to 85%, —Applying said aqueous coating composition to a glass fiber textile, thereby obtaining a wet-coated glass fiber textile, —Submitting the wet-coated glass fiber textile to a step of drying and/or curing thereby obtaining a glass fiber textile coated with a water-insoluble polymer coating.
    Type: Grant
    Filed: October 1, 2019
    Date of Patent: February 20, 2024
    Assignee: SAINT-GOBAIN ADFORS
    Inventors: Bohuslav Mikulecky, Luká{hacek over (s)} Kulhavy, Matej Ceska
  • Patent number: 11898025
    Abstract: A polyethylene composition having increased environmental stress crack resistance comprises a polymer blend of a multimodal high density polyethylene (HDPE) and an additive of at least one of a polycarbonate-siloxane copolymer, a polyethylene glycol (PEG) having an average molecular weight (Mw) of at least 2000, and a random block copolymer comprising two different saturated alkane blocks between two aromatic hydrocarbon blocks. The additive is present in the polymer blend in an amount of from 1 wt. % or less by weight of the polymer blend.
    Type: Grant
    Filed: November 4, 2019
    Date of Patent: February 13, 2024
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Anantharaman Dhanabalan, Shaneesh Vadake Kulangara, Maria Soliman, Radha Kamalakaran, Anshita Sudarshan, Sadasivam Gopalakrishnan, Anirban Ganguly
  • Patent number: 11898029
    Abstract: Provided is a thermoplastic resin composition which includes: a base resin including, in a weight ratio of 70:30 to 90:10, a first copolymer formed by graft polymerization of a diene-based rubber polymer having an average particle diameter of 50 to 200 nm with a first monomer mixture including an alkyl(meth)acrylate-based monomer and an aromatic vinyl-based monomer and a second copolymer which is a copolymer of a second monomer mixture including an alkyl(meth)acrylate-based monomer and an aromatic vinyl-based monomer; and a plasticizer.
    Type: Grant
    Filed: June 4, 2020
    Date of Patent: February 13, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Roo Da Lee, Jeong Su Choi, Won Seok Lee, Sang Hoo Park, Jong Ju Lee
  • Patent number: 11884756
    Abstract: A method of producing modified vinyl alcohol-based polymer particles, includes mixing vinyl alcohol-based polymer particles with a mixed medium containing unsaturated carboxylic acid, an acid catalyst, and water, wherein, by mixing the vinyl alcohol-based polymer particles with the mixed medium, the vinyl alcohol-based polymer particles are reacted with the unsaturated carboxylic acid to obtain modified vinyl alcohol-based polymer particles containing a vinyl ester unit represented by a formula (2) below, having a vinyl alcohol unit content based on the total constitutional units of 60 mol % or more and less than 95 mol %, and having an average particle diameter from 50 to 2000 ?m. The production method is capable of controlling the particle shape and does not cause the problem of the residual sulfur content, and is further convenient and economically advantageous.
    Type: Grant
    Filed: December 26, 2019
    Date of Patent: January 30, 2024
    Assignee: KURARAY CO., LTD.
    Inventors: Yuki Tachibana, Yusuke Amano, Yuki Shimizu, Kazuhiko Maekawa
  • Patent number: 11879059
    Abstract: Polymer compositions comprising stiff and tough star shaped styrene butadiene block-copolymers A1 and A2 can be used for making shrink films. Block copolymer A2 preferably has the structure with hard blocks Se and Si, hard random copolymer blocks (B/S)Ae, soft random copolymer blocks (B/S)B coupled by a coupling agent X.
    Type: Grant
    Filed: February 19, 2018
    Date of Patent: January 23, 2024
    Assignee: INEOS STYROLUTION GROUP GMBH
    Inventors: Michiel Verswyvel, Norbert Niessner, Daniel Wagner, Michael Schuster, Geert Verlinden, Bart Van-Den-Bossche, Konrad Knoll
  • Patent number: 11878492
    Abstract: A hotmelt composition comprising, a low molecular weight metallocene-catalyzed polymer, a high molecular weight polymer, an amorphous polyolefin and a tackifier. The hotmelt composition is particularly useful in absorbent articles such as diapers. The hotmelt composition provides especially good nonwoven-film bonds but can also be used for nonwoven-nonwoven bonds.
    Type: Grant
    Filed: October 29, 2021
    Date of Patent: January 23, 2024
    Assignee: The Procter and Gamble Company
    Inventors: Torsten Lindner, Matthias Morand, Christian Neu, Robert Haines Turner, Benedikt Hartmut Hermann Peter Wimmer
  • Patent number: 11873397
    Abstract: The invention provides a polyolefin composition comprising: (i) 55 to 95 wt % of a propylene butene random copolymer having an MFR2 of 1.0 to 20.0 g/10 min, a butene content of 1.5 to 8.0 wt % and prepared using a single site catalyst; and (ii) to 45 wt % of an ethylene based plastomer having a density of 860 to 905 kg/m3, an MFR2 of 0.3 to 30 g/10 min and prepared using a single site catalyst.
    Type: Grant
    Filed: November 14, 2019
    Date of Patent: January 16, 2024
    Assignee: Borealis AG
    Inventors: Jingbo Wang, Markus Gahleitner, Klaus Bernreitner, Pauli Leskinen, Matthias Hoff
  • Patent number: 11866538
    Abstract: The disclosure provides a polyurethane-acrylate water repellant prepared by double bonds in the side chain, and belongs to the technical field of environment-friendly polymers. The disclosure introduces the carbon-carbon double bonds into the polyurethane side chain through a carbon-carbon double bond-containing dihydroxy micromolecular chain extender having a carbon chain structure to adjust the number of double bonds on a waterborne polyurethane chain segment participating in a free radical polymerization with acrylate monomers, thereby generating a branched structure, and improving the compatibility of polyurethane and acrylate; the fastness of a fabric is increased by combining an oxime blocking structure with the fabric. The polyurethane-acrylate water repellant prepared by the disclosure is non-toxic and low in VOC, and the finished fabric has significantly improved physical and chemical properties, and good application prospects.
    Type: Grant
    Filed: July 24, 2020
    Date of Patent: January 9, 2024
    Assignee: JIANGNAN UNIVERSITY
    Inventors: Jinmei Du, Shaofei Wang, Changhai Xu, Ankang Yao, Panfei Zhou, Zengyuan Pang