Patents Issued in March 26, 2020
  • Publication number: 20200095351
    Abstract: The present disclosure relates to compositions that include at least one of where each of R1, R2, R3, R4, R5, and R6 includes at least one of a carbon atom, a hydrogen atom, an oxygen atom, a nitrogen atom, and/or a halogen atom, each of R1, R2, R3, R4, R5, and R6 may be different or the same, and 1?z?50,000.
    Type: Application
    Filed: September 26, 2019
    Publication date: March 26, 2020
    Inventors: Nicholas A. RORRER, Gregg Tyler BECKHAM, Kelly Marie MEEK
  • Publication number: 20200095352
    Abstract: The present disclosure provides group 4-, i.e., zirconium- and hafnium-, containing catalyst compounds having an ether bridged anilide phenolate ligand. Catalyst compounds of the present disclosure can be asymmetric, having an electron donating side of the catalyst and an electron deficient side of the catalyst. In at least one embodiment, catalysts of the present disclosure provide catalyst activity values of 400,000 gP/mmolCat·h?1 or greater and polyolefins, such as polyethylene copolymers, having comonomer content of from about 3.5 wt % to 8.5 wt %, an Mn of about 15,000 g/mol to about 140,000 g/mol, an Mw of from about 100,000 g/mol to about 300,000 g/mol, and a Mw/Mn of from 1 to 2.5. Catalysts, catalyst systems, and processes of the present disclosure can provide polymers having comonomer content of from 7 wt % to 12 wt %, such as from 8 wt % to 10 wt %).
    Type: Application
    Filed: September 19, 2019
    Publication date: March 26, 2020
    Inventors: Catherine A. Faler, Margaret T. Whalley, Crisita Carmen H. Atienza, David A. Cano
  • Publication number: 20200095353
    Abstract: To provide a modified PTFE which can be formed under a low extrusion pressure and with which changes of the extrusion pressure are suppressed, even in paste extrusion at a high RR ratio, and its production method. A modified polytetrafluoroethylene having units based on tetrafluoroethylene, units based on a monomer represented by the following formula (1) and units based on a monomer represented by the following formula (2), wherein the content of the units based on the monomer represented by the formula (1) is from 0.020 to 0.040 mass % to all units of the modified polytetrafluoroethylene, and the content of the units based on the monomer represented by the formula (2) is from 0.003 to 0.080 mass % to all units of the modified polytetrafluoroethylene: CH2?CH—CnF2n+1??(1) wherein n is from 2 to 6; CF2?CFO(LO)mRf??(2) wherein L is a perfluoroalkylene group, Rf is a perfluoroalkyl group, and m is an integer of from 0 to 4.
    Type: Application
    Filed: November 15, 2019
    Publication date: March 26, 2020
    Applicant: AGC Inc
    Inventors: Shinya Higuchi, Masahiro Takazawa, Takehiro Kose
  • Publication number: 20200095354
    Abstract: The present invention is directed to crosslinked cation exchange polymers comprising a fluoro group and an acid group and being a polymerization product of at least three monomers. Pharmaceutical compositions of these polymers are useful to bind potassium in the gastrointestinal tract.
    Type: Application
    Filed: November 25, 2019
    Publication date: March 26, 2020
    Inventors: Han-Ting Chang, Dominique Charmot, Mingjun Liu, Werner Strüver
  • Publication number: 20200095355
    Abstract: A polymer having the structure (I): L is a linking group, R is a hydrocarbon group or a substituted-hydrocarbon group, and x is 2 or more, preferably from 2 to 100, more preferably from 2 to 50. Each {Q} is (a) an identical polymer block composed of 3 or more monomer units, or (b) contains a plurality of polymer blocks, each polymer block being composed of 3 or more monomer units, such that the moiety {Q}-L-{Q} has the structure {Pn . . . P2P1}-L-{P1P2 . . . Pn} where each Pn is an individual polymer block, the number of polymer blocks n in each {Q} being the same; wherein for each value of n the polymer blocks are identical; and wherein n is an integer of 2 or more, preferably from 2 to 100, more preferably from 2 to 50.
    Type: Application
    Filed: September 19, 2019
    Publication date: March 26, 2020
    Inventors: Beatrice Nicole Cattoz, Anthony James Strong, Daniel Phillips, Andrew Schwarz, Remzi Becer, Valentin Beyer
  • Publication number: 20200095356
    Abstract: The present invention relates to a polymer comprising: (a) from 90 mol-% to 99.9 mol-%, of repeating units according to Formula (1) wherein at least 10 wt.-% of the repeating units according to Formula (1) comprise from 28 wt.-% to 100 wt.-% bio-based carbon content, relative to the total mass of carbon in the repeating unit according to Formula (1), measured according to standard ASTM D6866-12, Method B; and (b) from 0.01 mol-% to 10 mol-% of crosslinking or branching units, wherein the crosslinking or branching units result from the incorporation of a monomer comprising at least two olefinically unsaturated double bonds.
    Type: Application
    Filed: December 4, 2017
    Publication date: March 26, 2020
    Applicant: Clariant International Ltd.
    Inventors: Dirk FISCHER, Christoph KAYSER, Gundula STARKULLA
  • Publication number: 20200095357
    Abstract: A modified copolymer is provided. The modified copolymer includes a random copolymer of a repeat unit of formula (I) and a repeat unit of formula (II) wherein M is derived from monomers with double bonds, R is a direct bond or an aliphatic hydrocarbon chain group having 1 to 12 carbon atoms, a cyclic aliphatic hydrocarbon group having 3 to 16 carbon atoms, an alkylcarbonyloxy group having 2 to 6 carbon atoms, a carbonyl group, an ether group, an ester group, an amide group, an aromatic group having 6 to 16 carbon atoms, or a divalent group having any of the above groups, wherein m and x are positive integers less than 50. The weight average molecular weight of the modified copolymer is between 3000 and 30000.
    Type: Application
    Filed: December 26, 2018
    Publication date: March 26, 2020
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Shou-Yi HO, Kuo-Chan CHIOU
  • Publication number: 20200095358
    Abstract: A novel copolymer suitable for an optical film which is excellent in optical characteristics and has high retardation even in a thin film state, and an optical film containing the same are provided. A copolymer excellent in optical characteristics and easy to form a composite with a different polymer, and an optical film composed of the same are also provided.
    Type: Application
    Filed: December 4, 2017
    Publication date: March 26, 2020
    Applicant: TOSOH CORPORATION
    Inventors: Yasuyoshi FUJII, Saki ITO
  • Publication number: 20200095359
    Abstract: The present invention provides a copolymer containing a structural unit derived from 1,3,7-octatriene and a structural unit derived from styrene and a hydride thereof. Furthermore, the present invention provides a method of producing a copolymer containing a structural unit derived from 1,3,7-octatriene and a structural unit derived from styrene.
    Type: Application
    Filed: December 28, 2017
    Publication date: March 26, 2020
    Applicant: KURARAY CO., LTD.
    Inventors: Shuichi SUNAGA, Tomoaki TSUJI, Takashi HORI, Yasutaka INUBUSHI
  • Publication number: 20200095360
    Abstract: The invention relates to a process for the preparation of a crosslinkable propylene polymer composition comprising melt mixing and reacting, preferably in an extruder, a heterophasic propylene copolymer composition A, at least one crosslinkable grafting component B represented by the formula R1SiR2qY3-q and a radical initiator C. The invention also relates to the moisture cross-linkable polypropylene polymer composition obtainable by the process, to a cross-linked polypropylene polymer composition, to the use of the cross-linkable composition for the manufacture of adhesives, sealants, films, foams, coatings or shaped articles and the use of the crosslinked propylene polymer composition in food packaging, medical devices, textile packaging, technical films and protection films.
    Type: Application
    Filed: May 30, 2018
    Publication date: March 26, 2020
    Inventors: Jingbo Wang, Klaus Bernreitner, Carl-Gustaf Ek, Lisa Maria Steiner, Gerhard HUBNER, Juha Hartikainen, Jari-Jussi Ruskeeniemi
  • Publication number: 20200095361
    Abstract: Provided is a copolymer exhibiting self-healing properties. The copolymer comprises first units comprising first pendant groups wherein the first pendant groups are alkyls having at least 1 to no more than 6 carbons. Second units comprising second pendant groups are alkyls having at least 2 to no more than 8 carbons. The first units and second units are in a molar ratio of 45/55 to 55/45 and the pendant groups form an inter-pendant space having a volume of at least 80 Ang.3 to no more than 140 Ang.3. The copolymer comprises no more than 3 adjacent first units and no more than 3 adjacent second units.
    Type: Application
    Filed: July 16, 2019
    Publication date: March 26, 2020
    Inventor: Marek W. Urban
  • Publication number: 20200095362
    Abstract: A method of making a polymer having the structure (I): wherein L is a linking group, R is a hydrocarbon group or a substituted-hydrocarbon group, and x is 2 or more, preferably from 2 to 100, more preferably from 2 to 50; and wherein each {Q} is an identical polymer block or contains a plurality of polymer blocks. The method comprises reacting a di-halo initiator with a selected monomer one or more times and then reacting the resulting moiety with a dithiol compound of the structure HS—R—SH.
    Type: Application
    Filed: September 19, 2019
    Publication date: March 26, 2020
    Inventors: Beatrice Nicole Cattoz, Anthony James Strong, Daniel Phillips, Andrew Schwarz, Remzi Becer, Valentin Beyer
  • Publication number: 20200095363
    Abstract: A block copolymer and a method for preparing the same are disclosed. The method comprises the following steps: (A) mixing a compound of formula (I), a catalyst of formula (II), and a first solvent to obtain a first mixture; (B) adding a first monomer into the first mixture for reaction to obtain a second mixture; and (C) adding a second monomer into the second mixture for reaction to obtain a third mixture; wherein the compound of formula (I) and the catalyst of formula (II) are as defined in the specification.
    Type: Application
    Filed: September 18, 2019
    Publication date: March 26, 2020
    Inventors: Chien-Tien CHEN, Yi-Ya LIAO
  • Publication number: 20200095364
    Abstract: A method of preparing polyurea resin composition comprises forming a prepolymer by mixing about 50 parts by weight to about 80 parts by weight of a polyol, about 4 parts by weight to about 8 parts by weight of a dispersant, and about 20 parts by weight to about 30 parts by weight of a first monomer containing an isocyanate group; forming a first composition by mixing the prepolymer with about 2 parts by weight to about 4 parts by weight of a second monomer containing an amine group; stirring and emulsifying the first composition with about 100 parts by weight to about 200 parts by weight of a solvent; and forming a second composition by further adding about 0.2 part by weight to about 1.5 parts by weight of the second monomer to the emulsified first composition and stirring the resulting composition.
    Type: Application
    Filed: September 24, 2018
    Publication date: March 26, 2020
    Inventors: Young Woo KIM, Jong Jin HONG, Seong Ho YEOM
  • Publication number: 20200095365
    Abstract: The present invention is directed to an aqueous curable film-forming composition comprising: (a) a film-forming component comprising an aliphatic di- or higher functional polyisocyanate; and (b) a catalyst additive comprising: (i) a catalytic organic compound comprising iron and/or tin; and (ii) a beta-diketone. The present invention is further directed to a method of controlling the rate of cure of an aqueous curable film-forming composition. The method comprises adding to the aqueous curable film-forming composition the catalyst additive described above; the aqueous curable film-forming composition comprises a film-forming component comprising an aliphatic di- or higher functional polyisocyanate. The present invention is additionally directed to a coated article comprising a cured coating layer applied on at least one surface of a substrate to form a coated substrate; wherein the cured coating layer is deposited from the aqueous curable film-forming composition described above.
    Type: Application
    Filed: March 1, 2018
    Publication date: March 26, 2020
    Applicant: PPG Industries Ohio, Inc.
    Inventors: Silvia Bezer, Steven R. Zawacky, Diane Schillinger
  • Publication number: 20200095366
    Abstract: A resin composition contains a polyester polyol and a smectite with partially immobilized lithium.
    Type: Application
    Filed: December 19, 2017
    Publication date: March 26, 2020
    Inventors: Yusho Usami, Tomoaki Harada, Michiya Nakashima, Takeo Ebina, Ryo Ishii, Takafumi Aizawa
  • Publication number: 20200095367
    Abstract: Low-viscosity urethane methacrylate compounds are used as a backbone resin in reactive resins. In particular, the compounds are for lowering the viscosity of reactive resins containing such mixtures and thus the extrusion forces of reactive resin components produced therefrom and also for increasing the performance of reactive resins and reactive resin components produced therefrom containing such compounds. Furthermore, said compounds and their reactive resin components are used for construction purposes, in particular for chemical fastening.
    Type: Application
    Filed: June 19, 2018
    Publication date: March 26, 2020
    Applicant: Hilti Aktiengesellschaft
    Inventors: Georg Nickerl, Beate Gnass, Natja Park, Jens Bunzen, Klaus Schaefers, Ralf Neuerburg, Rainer Strobel-Schmidt, Gerald Gaefke
  • Publication number: 20200095368
    Abstract: The present invention is directed to a polyisocyanate polyaddition product, obtained or obtainable according to a process containing reacting at least a polyisocyanate composition (C-I) comprising at least one polyisocyanate; and a composition (C-II) comprising at least one compound (C-A) having at least two functional groups which are reactive towards isocyanate groups, wherein the compound (C-A) has a molecular weight of 500 g/mol or more and comprises polycyclic aromatic moieties. The present invention is further directed to a process for preparing said polyisocyanate polyaddition product and the use thereof in a cable, conveyor belt, roller, seal for gasket or railway pad.
    Type: Application
    Filed: April 26, 2018
    Publication date: March 26, 2020
    Applicant: BASF SE
    Inventors: Sirus ZARBAKHSH, Nabarun ROY, Hendrik WAGNER
  • Publication number: 20200095369
    Abstract: A thermoplastic polyurethane is the reaction product of a polybutadiene diol, a polyester diol, and a isocyanate component. The polybutadiene diol has a weight average molecular weight (Mw) of from 200 to 20,000 g/mol. The polyester diol has a melting point of from 40 to 90° C. The reactants allow the thermoplastic polyurethane itself to have a melt flow index measured at 120° C. and 22.6 kg of from 0.1 to 200 grams, per 10 minutes as measured according to ASTM 1238. The thermoplastic polyurethane also has a melting point of from 50 to 300° C. The theiinoplastic polyurethane is used to form a composite article.
    Type: Application
    Filed: April 12, 2018
    Publication date: March 26, 2020
    Inventor: Raymond A. Neff
  • Publication number: 20200095370
    Abstract: A conductive paste composition includes 1 to 10 parts by weight of a binder (A), 2 to 20 parts by weight of an epoxy monomer (B), 1 to 20 parts by weight of a crosslinking agent (C), and 70 to 95 parts by weight of a conductive filler (D). The binder (A) is a reactive oligomer having a siloxane bond as a main skeleton and including a plurality of oxirane rings as an organic group. The epoxy monomer (B) includes an oxirane ring. The total amount of the binder (A), the epoxy monomer (B), the crosslinking agent (C), and the conductive filler (D) is 100 parts by weight.
    Type: Application
    Filed: November 26, 2019
    Publication date: March 26, 2020
    Applicant: KANEKA CORPORATION
    Inventors: Hitoshi Tamai, Masanori Kanematsu, Daisuke Adachi
  • Publication number: 20200095371
    Abstract: The present invention provides novel polymer compounds and methods and processes for polymerizing and synthesizing the new polymers by post-modifying conjugated polymers bearing unsaturated functionalities. The post-modifications are facilitated by light-mediated initiators, thermal initiators, redox-based initiators, small molecule-based initiators, or a combination thereof. Syntheses and post-modifications are carried out to high conversion via thiol-ene “click” chemistry-based mechanisms. The products comprise monomeric, oligomeric, and polymeric materials with easily-accessible pendant functionalities which impart new, distinct, and/or improved properties.
    Type: Application
    Filed: September 23, 2019
    Publication date: March 26, 2020
    Inventors: Joshua Tropp, Douglas V. Amato, Derek L. Patton, Jason D. Azoulay
  • Publication number: 20200095372
    Abstract: The invention relates to polyesters consisting of: A) an acid component composed of: a1) 25 to 100 mol % based on the components a1) and a2) of 2,5-furandicarboxylic acid or its esters or mixtures thereof a2) 0 to 75 mol % based on the components a1) and a2) of an aliphatic C4-C36-dicarboxylic acid or its esters or mixtures thereof and a3) 1 to 10 mol % based on the components a1) to a3) of a sulfonate-containing compound, wherein the mol percentages of the components a1) to a3) sum to 100, and B) a diol component composed of: b1) 98 to 100 mol % based on the components a1) to a3) of component A of a C2- to C12-alkanediol or mixtures thereof and b2) 0 to 2 mol % based on the components a1) to a3) of a branching agent comprising at least 3 functional groups; and optionally further components. The invention further relates to the production of the polyesters and the use thereof and also to aqueous dispersions and polyester mixtures comprising these polyesters.
    Type: Application
    Filed: November 24, 2017
    Publication date: March 26, 2020
    Inventors: Motonori YAMAMOTO, Michael Bernhard SCHICK
  • Publication number: 20200095373
    Abstract: The present invention is directed at a process for crystallizing non-solid state polymerized polyester resins to improve the extrusion of such resins to manufacture articles using standard screws designed for solid state polymerized resins, and to reduce the amount of oligomers in such articles. The non-solid state polyester polymerization polyester process which includes a final crystallizer process that does not increase the IV of the resin by more than about 0.02 dl/g.
    Type: Application
    Filed: January 2, 2018
    Publication date: March 26, 2020
    Inventor: Banks McIlvain MOORE IV
  • Publication number: 20200095374
    Abstract: A biodegradable triblock copolymer comprising: an A-B-A? structure wherein the A and A? blocks each include polylactide, the B block includes from about 55 to about 100 mole percent of polytrimethylene carbonate and 0 to about 45 mole percent polylactide, and the biodegradable triblock copolymer overall includes from about 15 to about 25 mole percent of the polytrimethylene carbonate and from about 75 to about 85 mole percent of the polylactide. Also provided are compositions and implantable medical devices made therefrom.
    Type: Application
    Filed: September 25, 2019
    Publication date: March 26, 2020
    Inventors: Walter Skalla, Jonathan Thomas, Thierry Brune, Darlene P. Nebinger, Seth S. Gleiman, Robert Vestberg
  • Publication number: 20200095375
    Abstract: The present disclosure relates to block copolymers comprising, and methods of making thereof, a polycarbonate chain linked to a hydrophilic polymer. Such block copolymers may have the formula B-A-B, where A is a polycarbonate or polyethercarbonate chain and B is a polyether. Provided methods are useful in reducing the amount of waste generated from the synthesis of polycarbonates and provide improved thermal stability and high primary hydroxyl content. Provided block copolymers also have utility as additives in enhanced oil recovery methods, and foam polymer applications.
    Type: Application
    Filed: September 24, 2019
    Publication date: March 26, 2020
    Inventors: Scott D. Allen, Dibyendu Debnath
  • Publication number: 20200095376
    Abstract: The present invention relates to the production of a polyimide precursor, whereby, by using an amide-based organic solvent having a positive-number partition coefficient (Log P) and a density of at most 1 g/cm3, an interaction between the organic solvent and polyamic acid, which is a polyimide precursor, may be mitigated, thereby enabling the decrease of the viscosity of a polyimide precursor solution, and thus enabling a polyimide precursor solution having high solid content and low viscosity to be obtained.
    Type: Application
    Filed: June 27, 2018
    Publication date: March 26, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Cheolmin YUN, Jinyoung PARK, Bora SHIN, Kyungjun KIM
  • Publication number: 20200095377
    Abstract: The present invention concerns a composition comprising:—0.68% to 1.00% by weight of a silsesquioxane (A) comprising at least one phenyl group and at least one alkoxy group;—at least one silylated polymer comprising at least one alkoxysilane group, preferably 3% to 80% of at least one silylated polymer comprising at least one alkoxysilane group; and at least 25% by weight of at least one carbonated filler, percentages by weight being expressed with respect to the total weight of said composition, as well as the use of same as a mastic, in particular as a mastic for construction.
    Type: Application
    Filed: May 22, 2018
    Publication date: March 26, 2020
    Inventors: Federico SANZ, Jérémy BECQUET
  • Publication number: 20200095378
    Abstract: A polysiloxane comprising: (a) from 40 to 90 mole % units of formula R1R2SiO2/2, (b) from 10 to 60 mole % units of formula R3SiO3/2, and (c) from 0 to 5 mole % units of formula R1R4SiO2/2; wherein R1 and R2 independently are phenyl or C1-C6 alkyl; R3 represents at least one C1-C30 hydrocarbyl group; R4 is —Ar1-X—Ar2, where Ar1 and Ar2 independently are C6-C12 aryl and X is O CH2; provided that the polysiloxane comprises at least one —Ar1-X—Ar2 group.
    Type: Application
    Filed: April 30, 2018
    Publication date: March 26, 2020
    Inventors: Steven Swier, John B. Horstman
  • Publication number: 20200095379
    Abstract: A siloxane polymer is made by providing a first compound having the chemical formula SiR1aR24?a where a is from 1 to 3, R1 is a reactive group, and R2 is an alkyl group or an aryl group, and providing a second compound having the chemical formula SiR3bR4cR54?(b+c) where R3 is a cross-linking functional group, R4 is a reactive group, and R5 is an alkyl or aryl group, and where b=1 to 2, and c=1 to (4?b). The first and second compounds are polymerized together to form a siloxane polymer. The siloxane polymer can be then used in a final composition where the siloxane polymer comprises from 5 to 100% by weight, and filler (e.g. microparticles, nanoparticles, nanowires, etc.) comprises from zero to 95% by weight. The siloxane polymer composition is useful in a variety of areas such as an adhesive, e.g. as a die attach adhesive in semiconductor (e.g. LED) packaging applications, encapsulants, optical coatings, protective coatings, and other applications.
    Type: Application
    Filed: November 25, 2019
    Publication date: March 26, 2020
    Inventors: Jarkko Heikkinen, Juha Rantala
  • Publication number: 20200095380
    Abstract: Provided is a coating agent that can be formed into a surface layer having excellent self-restoring properties and stain-proof properties by applying the coating agent onto a surface of a base material (for example, thermoplastic polyurethane) and curing the resulting material. The coating agent according to the present application contains urethane (meth)acrylate-based resin (a), fluorine-based compound (b) and photopolymerization initiator (d). Urethane (meth)acrylate-based resin (a) has weight average molecular weight (Mw) of 10,000 to 800,000. Fluorine-based compound (b) has at least two polymerizable functional groups. The surface layer formed of the coating agent has excellent self-restoring properties of a scratch, stain-proof properties and stretchability.
    Type: Application
    Filed: November 27, 2019
    Publication date: March 26, 2020
    Applicant: JNC CORPORATION
    Inventors: KYOKO KONDO, KENYA ITO, HIROYUKI IIZUKA, AKI KUROMATSU
  • Publication number: 20200095381
    Abstract: There is described an acrylic polyester resin, obtainable by grafting an acrylic polymer with a polyester material. The polyester material is obtainable by polymerizing (i) a polyacid component, with (ii) a polyol component. At least one of the polyacid component and/or the polyol component comprises a monomer having an aliphatic group containing at least 15 carbon atoms. At least one of the polyacid component and/or the polyol component comprises a functional monomer operable to impart functionality on to the polyester resin, such that an acrylic polymer may be grafted with the polyester material via the use of said functionality. Also provided is an aqueous coating composition comprising the acrylic polyester resin and a packaging coated with the composition.
    Type: Application
    Filed: December 12, 2017
    Publication date: March 26, 2020
    Applicant: PPG Industries Ohio, Inc.
    Inventors: Adam Bradley Powell, William H. Retsch, Jr., Edward R. Millero, Jr., John M. Dudik, Christopher P. Kurtz, Michael Olah, Anand K. Atmuri, Debra L. Singer
  • Publication number: 20200095382
    Abstract: A copolyester resin for preparing a low-melting copolyester fiber is made by compounding a first copolyester with a second copolyester in a weight ratio of the first copolyester to the second copolyester of from 94:6 to 98:2. The first copolyester is obtained by subjecting terephthalic acid, ethylene glycol, isophthalic acid, and diethylene glycol to a copolymerization, and the second copolyester is obtained by subjecting terephthalic acid, ethylene glycol, and neopentyl glycol to another copolymerization.
    Type: Application
    Filed: May 13, 2019
    Publication date: March 26, 2020
    Applicant: FAR EASTERN NEW CENTURY CORPORATION
    Inventors: Hsiang-Chin TSAI, Shih-Hsiung CHEN, Lewis YU
  • Publication number: 20200095383
    Abstract: Related to is the field of polymer materials, and particularly related to are a method for preparing cross-linked hyaluronic acid gel and a cross-linked hyaluronic acid gel prepared by the method. Under an alkaline condition, a disulfide cross-linking agent is dropwise added into an alkaline solution of hyaluronic acid for cross-linking reaction, and after the reaction is completed, dialysis and freeze drying are carried out to obtain the cross-linked hyaluronic acid gel. A new disulfide cross-linking agent N,N-bis(acroloyl)cystamine is introduced, and it effectively solves degradation regulating problems of cross-linked hyaluronic acid; the disulfide bond ratio is controllable, which can effectively improve a cross-linking modification degree ratio in the cross-linked hyaluronic acid, thereby solving the problem of difficult degradation of highly cross-linked hyaluronic acid gel in the past. The cross-linked material has potential applications in aspects of drug carriers and tissue engineering scaffolds.
    Type: Application
    Filed: June 27, 2019
    Publication date: March 26, 2020
    Inventors: Jin Zeng, Weiwei Wang, Weiqing Sun
  • Publication number: 20200095384
    Abstract: A hydrogel that exhibits excellent water absorbency even when dried, and has flexibility, shape stability, and shape retention properties, and a method for producing the hydrogel. A hydrogel comprising a water-soluble organic polymer, a silicate, a dispersant for the silicate, and a water-absorbing polymer. A method for producing a hydrogel including a formation step of forming a hydrogel comprising a water-soluble organic polymer, a silicate, a dispersant for the silicate, a water-absorbing polymer, and at least one solvent selected from the group having water and a water-soluble organic solvent, and as an optical step, a solvent removal step of removing a portion of the solvent in the hydrogel.
    Type: Application
    Filed: March 14, 2018
    Publication date: March 26, 2020
    Applicant: NISSAN CHEMICAL CORPORATION
    Inventor: Yoshihiro KUDO
  • Publication number: 20200095385
    Abstract: A solvent composition includes an organic solvent including one or more organic solvents (A) and one or more organic solvents (B), and one or more types of core-shell polymer particles each comprising a core layer and a shell layer. The organic sol vents (A) have a polar teen ?p of a Hansen solubility parameter of less than 11 and a hydrogen bond term ?h of less than 10, and the organic solvents (B) satisfy at least one of 11 or more of the polar term ?p or 10 or more of the hydrogen bond term ?h. A weight ratio of (A) to (B) ranges from 15:85 to 95:5. Based on a total weight of the solvent composition, a content of the core-shell polymer particles is 20 to 40% by weight and a water content is 1% by weight or less.
    Type: Application
    Filed: November 19, 2019
    Publication date: March 26, 2020
    Applicant: KANEKA CORPORATION
    Inventor: Shusuke Yoshihara
  • Publication number: 20200095386
    Abstract: Rheology modifiers comprising cross-linked poly(amino acid) and methods of their use in aqueous compositions. The modifiers comprise cross-linked poly(amino acid) microparticles having a mean equivalent diameter when fully swollen in deionized water of up to 1000 ?m, as measured by laser diffraction. In particular, the poly(amino acid) is D-, L- or D,L-Y-poly(glutamic acid). A method of preparing the modifier comprises cross-linking a poly(amino acid), drying the cross-linked poly(amino acid) and grinding the cross-linked poly(amino acid) to have the required diameter.
    Type: Application
    Filed: May 25, 2019
    Publication date: March 26, 2020
    Applicant: Ecovia Renewables Inc.
    Inventors: Jeremy J. MINTY, Samuel KOHLEY, Daniel LEE, Harry POPPICK
  • Publication number: 20200095387
    Abstract: The present invention regards a solid master elastomeric composition (masterbatch, MB) comprising silicate fibres with needle-shaped morphology of nanometric size, characterised by high fibre content and uniformity, a process advantageous for the preparation thereof and its use in manufacturing tyres for vehicles. Advantageously the present elastomeric composition allows minimising the drawbacks associated with the handling of the powdery fibres in the manufacturing of compounds for tyres, without altering the final performances thereof.
    Type: Application
    Filed: December 18, 2017
    Publication date: March 26, 2020
    Applicants: PIRELLI TYRE S.p.A., POLITECNICO DI MILANO, UNIVERSITA' DEGLI STUDI DI MILANO BICOCCA
    Inventors: Luciano TADIELLO, Valeria Rosaria CIPOLLETTI, Luca GIANNINI, Thomas HANEL, Maurizio GALIMBERTI, Roberto SCOTTI, Barbara DI CREDICO, Franca MORAZZONI, Massimiliano D'ARIENZO, Irene TAGLIARO
  • Publication number: 20200095388
    Abstract: A transparent polyimide film manufacturing method includes following steps: producing a polyimide film having a tensile modulus of elasticity greater than 5.4 GPa ((N/m2)×109), a light transmittance greater than 85%, and a chromaticity b* less than 2; providing an ether-free dianhydride and a diamine to form an ether-free polyamic acid; reacting the ether-free polyamic acid with an aromatic cyclic dianhydride to form a copolymerized polyamic acid; and chemically cyclizing the copolymerized polyamic acid to form a transparent polyimide film.
    Type: Application
    Filed: September 20, 2019
    Publication date: March 26, 2020
    Inventors: Yi-Hsueh Ho, Yi-Ting Liu
  • Publication number: 20200095389
    Abstract: The present invention relates to products and method of preparing and using surface modified polymeric material having siliceous particles deposited thereon. The method and article are disclosed wherein a plastic substrate is provided with high surface area and increase of surface roughness. The methods for treating the surface are provided.
    Type: Application
    Filed: February 6, 2018
    Publication date: March 26, 2020
    Inventor: MATHILDE GOSSELIN
  • Publication number: 20200095390
    Abstract: A polyisocyanurate foam insulation product includes polyisocyanurate foam produced from reacting an isocyanate and a polyol blend having a functionality of at least 2.2. The isocyanate and the polyol blend are reacted so that the polyisocyanurate foam has an isocyanate index equivalent with or greater than 300. The polyisocyanurate foam includes a fire retardant and includes between 0.02 and 0.45 weight percent of a zinc salt compound. The foam insulation board exhibits a flame spread of no greater than 25 and a smoke index of no greater than 50 when exposed to flame conditions in accordance with an ASTM E-84 test.
    Type: Application
    Filed: November 25, 2019
    Publication date: March 26, 2020
    Inventors: Malay Nandi, Lance Wang, Jawed Asrar
  • Publication number: 20200095391
    Abstract: A foam composition comprises a recycled polyvinyl butyral in an amount from 5 wt % to 70 wt %; an ethylene-ester copolymer in an amount from 10 wt % to 70 wt %; a foaming agent in an amount from 0.5 wt % to 3.5 wt %; a peroxide crosslinking agent in an amount from 0.5 wt % to 3.0 wt %; and a hydrazide crosslinking agent in an amount from 0.1 wt % to 2.5 wt %, based on a total weight of the foam composition. A foam produced from the foam composition can avoid emitting an unpleasant odor of aldehydes, and the foam also has good mechanical properties and good resilience.
    Type: Application
    Filed: August 27, 2019
    Publication date: March 26, 2020
    Inventor: Yuh Jye Uang
  • Publication number: 20200095392
    Abstract: A polymer matrix composite includes a porous polymeric network structure; and a plurality of acoustically active particles distributed within the polymeric network structure. The weight fraction of acoustically active particles is between 0.80 and 0.99, based on the total weight of the polymer matrix composite. The polymer matrix composite has an air flow resistance of less than 100 seconds/50 mL/500 ?m.
    Type: Application
    Filed: June 11, 2018
    Publication date: March 26, 2020
    Inventors: Bharat R. Acharya, Derek J. Dehn, Fabian Stolzenburg, Noah O. Shanti
  • Publication number: 20200095393
    Abstract: The present invention relates to an organic aerogel obtained by reacting an amine compound having at least two amine functionalities and a cyclic ether compound in the presence of a solvent. An organic aerogel according to the present invention is produced with a versatile process and provides good thermal and acoustic insulation and good mechanical properties.
    Type: Application
    Filed: October 7, 2019
    Publication date: March 26, 2020
    Inventors: Mariola Calle De Celis, Elisabeth Torres Cano, Fouad Salhi, Parfait Jean Marie Likibi, Ilaria De Santo, Belen Del Saz-Orozco, Asta Sakalyte
  • Publication number: 20200095394
    Abstract: A method for manufacturing terephthalic acid includes the following operations: providing a raw material, in which the raw material includes a first raw material including polyethylene terephthalate; performing a depolymerization reaction on the first raw material to form a depolymerization product, in which the depolymerization product includes disodium terephthalate; performing a decolorization process on the disodium terephthalate to form decolorized disodium terephthalate and precipitated sludge; separating the decolorized disodium terephthalate and the sludge; and forming terephthalic acid from the decolorized disodium terephthalate after separating the decolorized disodium terephthalate and the sludge.
    Type: Application
    Filed: January 23, 2019
    Publication date: March 26, 2020
    Inventors: Po-Chen LAI, Jyun-Sian LEE, Sih-Hao CHIANG, Chin-Shui LIANG, Hsiang-Chin TSAI
  • Publication number: 20200095395
    Abstract: Systems and methods are provided that involve a subcritical water reaction to recycle the cellulose and polyester components of waste cotton and cotton/polyester blend textiles that would otherwise be discarded or disposed of. Specifically, the disclosed methods provide for treatment of the waste textiles to produce advanced materials including cellulose and terephthalic acid (TPA) with a low environmental impact. The cellulose and TPA that are produced are of a high quality allowing for production of regenerated cellulose and regenerated polyethylene terephthalate (PET) suitable for fiber spinning and textile applications.
    Type: Application
    Filed: November 26, 2019
    Publication date: March 26, 2020
    Inventors: Florin G. Barla, Todd Showalter, Hsun-Cheng Su, Jeremy Jones, Iulian Bobe
  • Publication number: 20200095396
    Abstract: An ethylene-vinyl alcohol copolymer composition contains: (A) an ethylene-vinyl alcohol copolymer; (B) a long Periodic Table 4th-period d-block metal compound; and (C) an iron compound; wherein the iron compound (C) is present in an amount of 0.01 to 5 ppm on a metal basis based on the weight of the ethylene-vinyl alcohol copolymer composition. The ethylene-vinyl alcohol copolymer composition exhibits improved impact resistance and heat stability (color tone deterioration-suppressing effect and coloration-suppressing effect).
    Type: Application
    Filed: November 26, 2019
    Publication date: March 26, 2020
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Ryohei Komuro, Shintaro Usui, Daichi Nishimura, Minako Ikeshita
  • Publication number: 20200095397
    Abstract: An additive composition comprises one or more calcium cis-1,2-cyclohexanedicarboxylate salts. The calcium 1,2-cyclohexanedicarboxylate salts have a BET specific surface area of 20 m2/g or more. A method for producing a thermoplastic polymer composition entails mixing the additive composition with a thermoplastic polymer, melting the resulting admixture, and letting the admixture solidify to produce a polymer composition.
    Type: Application
    Filed: September 26, 2019
    Publication date: March 26, 2020
    Inventors: Xiaoyou Xu, Chi-Chun Tsai, Xinfei Yu, Darin L. Dotson, Keith A. Keller, Michael J. Mannion, Daniel T. McBride
  • Publication number: 20200095398
    Abstract: Methods and systems for providing a user with content relevant to a location of interest to the user, when the user is determined to be at or near the location, are presented. The user's interest in the location may be determined based on queries about the location received from the user prior to the user arriving at the location. The queries received from the user about the location are used to build a location recommendation model, which generates personalized content relevant to the location and to one or more interest verticals identified for the user. The location recommendation model is built using a location recommendation engine that collects data about the user, the queried location, one or more associations between the user, the queried location, and/or one or more other users, as well as various other information related to the user's interests and the queried location.
    Type: Application
    Filed: September 24, 2019
    Publication date: March 26, 2020
    Inventors: Jignashu PARIKH, Subhadip Sarkar
  • Publication number: 20200095399
    Abstract: A composite comprised of: (i) at least one inverse freezing material, and (ii) an additive in the form of at least one solid particle. Articles made of the composites, and uses of the composites or the articles incorporating same, particularly for reducing incoming shockwaves, are also disclosed.
    Type: Application
    Filed: June 4, 2018
    Publication date: March 26, 2020
    Inventors: Galit PARVARI, Daniel RITTEL, Yonatan ROTBAUM
  • Publication number: 20200095400
    Abstract: Disclosed herein are compositions of a deep eutectic solvent with a host, such as a supramolecular host, and the use of the composition to form a composition comprising the host in complex with one or more guests. The deep eutectic solvent provides an alternative medium to the aqueous-based media that have been used in the art to date. Also disclosed are compositions of a deep eutectic solvent with a redox-active compound, such as a viologen compound, and the use of the composition, for example, in a smart window or for agricultural use, such as in an agricultural product.
    Type: Application
    Filed: March 16, 2018
    Publication date: March 26, 2020
    Inventors: Oren A. Scherman, Jade A. McCune