With Ether Or Thioether Compound Containing At Least Two -c-x-c- Groups Patents (Class 528/76)
  • Patent number: 10723697
    Abstract: Provided is a preparation of a thioether-based polythiol in a high purity using a metal monosulfide for the incorporation of a thioether group, wherein the content of such components as a metal polysulfide present in the metal monosulfide is controlled to a predetermined level or lower. As a result, an optical lens of high quality with a high refractive index can be produced using the polythiol.
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: July 28, 2020
    Assignee: SKC CO., LTD.
    Inventors: Junghwan Shin, Seung Mo Hong, Jongmin Shim, Hyuk Hee Han, Jung Hwan Myung, Hyeon Myeong Seo, Yu Jeong Song, JooYoung Jung
  • Patent number: 10442956
    Abstract: The present disclosure relates to a two-component composition containing a polymer polyol, a dial chain extender, an aldimine of formula (I), optionally additional polyols and diphenylmethandiisocyanates in the two components. The composition is particularly suitable as a manually applicable solvent-free liquid film for coating and/or sealing floors and roofs. It also has a long open time, cures quickly and without complications in a wide temperature and humidity range, has a high level of strength and is weather resistant.
    Type: Grant
    Filed: September 12, 2016
    Date of Patent: October 15, 2019
    Assignee: SIKA TECHNOLOGY AG
    Inventors: Hans Häberle, Urs Burckhardt, Ursula Stadelmann
  • Patent number: 10233279
    Abstract: The present invention relates to novel aqueous polyurethane dispersions produced using at least two poly(tetramethylene glycol) polyether polyols with different average molar masses and at least two different polyisocyanate components.
    Type: Grant
    Filed: June 1, 2010
    Date of Patent: March 19, 2019
    Assignee: Covestro-Deutschland AG
    Inventors: Sebastian Dörr, Hans Georg Grablowitz, Thomas Feller, Thomas Michaelis
  • Patent number: 10144796
    Abstract: Provided are a polymerizable composition allowing obtainment of an optical component with reduced striae, an optical component obtained from the polymerizable composition, a plastic lens containing the optical component, and a spectacle lens including a lens substrate including the optical component. The polymerizable composition of the present disclosure contains an isocyanate component which contains alicyclic polyisocyanate (A-1) having two or more isocyanate groups and non-cyclic aliphatic polyisocyanate (A-2) having two or more isocyanate groups, and a polythiol component which contains polythiol (B-1) having four or more mercapto groups and two or more sulfide bonds and polythiol (B-2) having two or three mercapto groups and two or three ester bonds. The optical component is obtained by polymerizing the polymerizable composition of the present disclosure. The plastic lens contains the optical component of the present disclosure.
    Type: Grant
    Filed: March 25, 2016
    Date of Patent: December 4, 2018
    Assignee: HOYA LENS THAILAND LTD.
    Inventor: Takayuki Iijima
  • Patent number: 9925298
    Abstract: The present invention relates to the synthesis of porous polymer scaffold from polyethyleneglycol-polyurethane having castor oil linkages under controlled conditions and their use as stem cell delivery vehicles thereby accelerating the tissue regeneration process. The present invention further studies the biodegradability, stability and biocompatibility of porous polymer scaffolds in various cell lines and primary bone marrow stem cells. Particularly the present invention further relates to the physio-chemical characterization of the porous polymer scaffolds.
    Type: Grant
    Filed: October 27, 2016
    Date of Patent: March 27, 2018
    Assignee: COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH
    Inventors: Amitava Das, Pratyay Basak, Ramasatyaveni Geesala, Nimai Bar, Neha Raghuvir Dhoke, Komal Kaushik
  • Patent number: 9896541
    Abstract: The invention relates to DMC catalysts comprising polyether siloxanes, to processes for preparation thereof, to the use thereof, and to the DMC catalysts obtainable by the processes according to the invention.
    Type: Grant
    Filed: April 28, 2015
    Date of Patent: February 20, 2018
    Assignee: Evonik Degussa GmbH
    Inventors: Olga Fiedel, Frank Schubert, Michael Fiedel, Wilfried Knott
  • Patent number: 9655691
    Abstract: A dental appliance for positioning a patient's teeth includes a removable orthodontic tooth positioning appliance having teeth receiving cavities shaped to directly receive at least some of the patient's teeth and apply a resilient positioning force to the patient's teeth. The appliance includes a hard polymer layer having a hard polymer layer elastic modulus disposed between a first soft polymer layer having a first soft polymer layer elastic modulus and a second soft polymer layer having a second soft polymer layer elastic modulus. The hard polymer layer elastic modulus is greater than each of the first soft polymer layer elastic modulus and the second soft polymer layer elastic modulus. At least one of the first soft polymer layer and the second soft polymer layer has a flexural modulus of greater than about 35,000 psi.
    Type: Grant
    Filed: May 14, 2012
    Date of Patent: May 23, 2017
    Assignee: ALIGN TECHNOLOGY, INC.
    Inventors: Chunhua Li, Yan Chen, Heinz Pudleiner, Klaus Meyer, Joerg Nickel, Craig Pehlert
  • Patent number: 9644289
    Abstract: Provided are novel polyurethane elastic fibers having a high recovery stress, low hysteresis loss, and high heat resistance. The polyurethane elastic fibers of the present invention are polyurethane elastic fibers formed from a polyurethaneurea obtained from a copolyalkylene ether diol produced from different C2-10 alkylene ethers; a diisocyanate; and a diamine, the polyurethane elastic fibers being characterized in that the polyurethaneurea has a hard segment percentage of 14.0% to 25.0% as defined by formula (1): hard segment percentage (%)=(urea moiety number-average molecular weight)/{(urea moiety number-average molecular weight)+(moiety segment number-average molecular weight)}×100 (formula (1)).
    Type: Grant
    Filed: March 13, 2012
    Date of Patent: May 9, 2017
    Assignee: ASAHI KASEI FIBERS CORPORATION
    Inventors: Masayuki Adachi, Takamasa Mori, Junichi Kojima
  • Patent number: 9623442
    Abstract: A coating for an ink jet printhead front face, wherein the coating comprises an oleophobic low adhesion coating having high thermal stability as indicated by less than about 15 percent weight loss when heated to up to 300° C., and wherein a drop of ultra-violet (UV) gel ink or a drop of solid ink exhibits a contact angle of greater than about 50° and sliding angle of less than about 30° with a surface of the coating, wherein the coating maintains the contact angle and sliding angle after the coating has been exposed to a temperature of at least 260° C. for at least 30 minutes.
    Type: Grant
    Filed: April 19, 2012
    Date of Patent: April 18, 2017
    Assignee: XEROX CORPORATION
    Inventors: Varun Sambhy, Kock-Yee Law, Hong Zhao, Darren Smith
  • Patent number: 9603932
    Abstract: Intravaginal drug delivery device comprising at least one pharmaceutically active substance, and a polyurethane copolymer, wherein the copolymer has the structure according to formula (I): Also, method comprising administering one or more pharmaceutically active substances to a patient in need thereof.
    Type: Grant
    Filed: January 12, 2016
    Date of Patent: March 28, 2017
    Assignee: DSM IP ASSETS, B.V.
    Inventors: Robert S. Ward, Shanger Wang, Li Li, Durgaprasad Chalasani, Patrick Kiser, Meredith Roberts Clark
  • Patent number: 9475905
    Abstract: An aliphatic polycarbonate is disclosed in which a salt consisting of a metal or onium cation and an anion having a pKa not greater than 3 is dispersed. The aliphatic polycarbonate includes repeating units of Formula 1: [-A-OC(O)O-] (wherein A is a substituted or unsubstituted C3-C60 alkylene, or a substituted or unsubstituted C3-C60 heteroalkylene and the O-A-O units in one polymer chain may be identical to or different from each other).
    Type: Grant
    Filed: May 28, 2013
    Date of Patent: October 25, 2016
    Assignee: LOTTE CHEMICAL CORPORATION
    Inventors: Bun Yeoul Lee, Ji Hae Park, Jong Yeob Jeon, Jung Jae Lee, Young Eun Jang
  • Patent number: 9393311
    Abstract: The invention is directed to an intravaginal drug delivery device comprising at least one pharmaceutically active substance, and a polyurethane copolymer, wherein the copolymer has the structure according to formula (I): The invention is further directed to administering one or more pharmaceutically active substances to a patient in need thereof.
    Type: Grant
    Filed: November 15, 2011
    Date of Patent: July 19, 2016
    Assignees: DSM IP ASSETS B.V., DSM BIOMEDICAL INC.
    Inventors: Robert S. Ward, Shanger Wang, Li Li, Durgaprasad Chalasani, Patrick Kiser, Meredith Roberts Clark
  • Patent number: 9133298
    Abstract: This invention relates to novel polyol blends, a process for the production of foam with very low resistance to air flow from certain polyol blends and to the resultant foams produced from certain polyol blends. The polyol blends comprise one or more monofunctional polyethers having a hydroxyl number of less than 28; one or more polyether polyols having a hydroxyl number of 20 to 240 and containing at least 50% of copolymerized oxyethylene; one or more polyether polyols having a hydroxyl number of 47 to 300 and containing from 5 to 40% of copolymerized oxyethylene; and optionally, one or more polyether polyols having a hydroxyl number of 10 to 45. This process of the invention comprises reacting one or more polyisocyanates, with an isocyanate-reactive component in the presence of at least one catalyst, at least one surfactant and at least one blowing agent.
    Type: Grant
    Filed: November 20, 2014
    Date of Patent: September 15, 2015
    Assignee: Bayer MaterialScience LLC
    Inventors: Stanley L. Hager, Bruce Britt, Susan McVey, Micah Moore, Peter Uthe, Jack Reese
  • Patent number: 9034378
    Abstract: This invention relates to biocompatible, biodegradable thermoplastic polyurethane or polyurethane/ureas comprising isocyanate, polyol and a conventional chain extender and/or a chain extender having a hydrolysable linking group and their use in tissue engineering and repair applications, particularly as stents and stent coating.
    Type: Grant
    Filed: March 24, 2005
    Date of Patent: May 19, 2015
    Assignee: PolyNovo Biomaterials Pty Ltd
    Inventors: Timothy G. Moore, Raju Adhikari, Pathiraja A. Gunatillake
  • Patent number: 9035011
    Abstract: Alkoxylation products, their preparation, compositions comprising these alkoxylation products, and the use thereof as or for producing adhesives and sealants.
    Type: Grant
    Filed: March 11, 2013
    Date of Patent: May 19, 2015
    Assignee: Evonik Goldschmidt GmbH
    Inventors: Michael Ferenz, Bastian Matthias Brugger, Matthias Lobert, Volker Zellmer, Frank Schubert, Wilfried Knott, Melanie Roessing
  • Patent number: 9029495
    Abstract: The present invention relates to a process for producing polyether polyols having primary hydroxyl end groups, comprising the steps of reacting a starter compound containing active hydrogen atoms with an epoxide under double metal cyanide catalysis, reacting the resulting product with a cyclic carboxylic anhydride and reacting this resulting product with ethylene oxide in the presence of a catalyst containing at least one nitrogen atom per molecule, excluding non-cyclic, identically substituted tertiary amines. The invention further relates to polyether polyols obtainable by this process, compositions containing said polyols and polyurethane polymers based on said polyols.
    Type: Grant
    Filed: June 30, 2010
    Date of Patent: May 12, 2015
    Assignee: Bayer MaterialScience AG
    Inventors: Hartmut Nefzger, Erika Bauer, Jörg Hofmann, Klaus Lorenz, Norbert Hahn
  • Patent number: 9012590
    Abstract: The present invention relates to an electrostatic dissipative thermoplastic polyurethane composition made by reacting (a) at least one polyester polyol intermediate with (b) at least one diisocyanate and (c) at least one chain extender. The polyester polyol intermediate, may be derived from at least one dialkylene glycol and at least one dicarboxylic acid, or an ester or anhydride thereof. The invention further provides for methods of making said thermoplastic polyurethane composition, polymer blends containing said thermoplastic and polymer articles made from said thermoplastic.
    Type: Grant
    Filed: October 1, 2010
    Date of Patent: April 21, 2015
    Assignee: Lubrizol Advanced Materials, Inc.
    Inventors: Qiwei Lu, Donald A. Meltzer, Yona Eckstein
  • Publication number: 20150105488
    Abstract: The present invention provides polymeric quaternary ammonium photoinitiators being co-polymers of photoinitiator monomers, as well as quaternary ammonium photoinitiator monomer being valuable intermediates in the preparation of such polymeric photoinitiators. Additionally, there is provided a polyacrylate obtained by radical polymerization of at least one acrylate monomer (Ac) in the presence of such polymeric photoinitiators. In the photoinitiator monomers and polymeric photoinitiators, a photoinitiator moiety and a quaternary ammonium are incorporated into the photoinitiator structure.
    Type: Application
    Filed: May 14, 2013
    Publication date: April 16, 2015
    Applicant: Coloplast A/S
    Inventors: Niels Joergen Madsen, Petr Sehnal, David George Anderson, Bo Rud Nielsen
  • Publication number: 20150099849
    Abstract: [Problem] To provide a curable composition having high stability and excellent curing properties. [Solution] The present invention relates to a curable composition, and a cured synthetic resin using same, that functions as a curing catalyst for a synthetic resin. The curable composition contains (A) a titanium alkoxide, (B) a bidentate organic chelating agent that stabilizes the titanium alkoxide and (C) a guanidine compound. The molar ratio of the titanium alkoxide (A), the bidentate organic chelating agent (B), and the guanidine compound (C) is 1:0.5-3:0.5-2.
    Type: Application
    Filed: April 2, 2013
    Publication date: April 9, 2015
    Inventors: Shuhei Nakamura, Yoshimi Tanaka, Mikihito Kano, Kazuyo Miyata, Yasushi Murakami
  • Patent number: 8987374
    Abstract: The present invention provides a non-aqueous composition containing a particulate solid, an organic medium and a polyurethane dispersant having an essentially linear backbone and laterally attached solvent-solubilizing side chains of a polyester, a polyether, a polyacrylate or a polyolefin including mixtures of such side chains.
    Type: Grant
    Filed: May 3, 2010
    Date of Patent: March 24, 2015
    Assignee: The Lubrizol Corporation
    Inventors: Stuart Nicholas Richards, Andrew James Shooter
  • Patent number: 8987404
    Abstract: The invention relates to a coating composition comprising: A) at least one thiol-functional compound having at least one thiol group, B) at least one polyisocyanate cross-linking agent with at least one free isocyanate group and C) at least one catalyst compound, said catalyst compound comprising at least one catalyst for the curing reaction between the thiol groups of component A and the free isocyanate groups of component B, and at least one cyclodextrine.
    Type: Grant
    Filed: April 29, 2010
    Date of Patent: March 24, 2015
    Assignee: Axalta Coating Systems IP Co., LLC
    Inventors: Carmen Flosbach, Stefanie Matten, Katharina Dreger
  • Publication number: 20150074978
    Abstract: Polyurethane systems that cure similarly to systems based on mercury catalysts contain 1,4-butanediol and a zinc carboxylate catalyst. These systems cure and develop green strength similarly to systems based on mercury catalysts. These systems are especially useful in making insulated pipe joints for subsea pipeline installations.
    Type: Application
    Filed: September 16, 2013
    Publication date: March 19, 2015
    Inventors: Amber Stephenson, Eric Rexrode
  • Patent number: 8980970
    Abstract: The invention relates to a process for preparing binders which contain 1) allophanate groups, 2) groups that react with ethylenically unsaturated compounds with polymerization on exposure to actinic radiation (radiation-curing groups) and 3) optionally NCO-reactive groups, by reacting at temperatures ?130° C. A) one or more NCO-functional compounds containing uretdione groups with B) one or more compounds that contain isocyanate-reactive groups and groups that react with ethylenically unsaturated compounds with polymerization on exposure to actinic radiation (radiation-curing groups), and then C) with one or more saturated, hydroxyl-containing compounds other than B), at least one of these compounds having an OH functionality of ?2, in the presence of D) a catalyst containing one or more zinc compounds, the reaction with compounds C) taking place at least proportionally with the formation of allophanate groups. The present invention also relates to the binders obtained by the process of the invention.
    Type: Grant
    Filed: September 1, 2005
    Date of Patent: March 17, 2015
    Assignee: ALLNEX IP S.a.r.L.
    Inventors: Jan Weikard, Dorota Greszta-Franz, Wolfgang Fischer, Jörg Schmitz, Holger Mundstock, Christophe Detrembleur
  • Publication number: 20150065629
    Abstract: An ICI viscosity regulating composition including linked segments of: (a) a polyhydroxy segment having 4 to 6 reactive hydroxyl groups; derived from a compound selected from: an acyclic or cyclic polyhydric alcohol having 4 to 6 carbon atoms, an alkoxylated acyclic polyhydric alcohol, an alkoxylated cyclic polyhydric alcohol and a poly(hydroxyethyl)polyethyleneamine; and combinations thereof; (b) aliphatic or aromatic linking segments, each linking segment having at least two linking groups independently selected from the group of: urethane, urea, ether, ester, amine, an aminoplast segment, a linking group which is the residue from reaction of an epihalohydrin and a hydroxyl group, and mixtures thereof; (c) polyoxyalkylene segments; (d) and aliphatic or aromatic end segments, each end segment having 6 to 22 carbon atoms and a linking group reactive moiety, wherein the mole ratio of the polyoxyalkylene segment to the polyhydroxy segment is at least 4:1 and the mole ratio of the aliphatic or aromatic end segmen
    Type: Application
    Filed: August 21, 2014
    Publication date: March 5, 2015
    Inventors: Stanley Leon FREEMAN, Eduardus Maria MANGNUS, Onno RIENSTRA, Mark Gregory MATYI, Nancy Pasquarello BUFORD, Kenneth F. SMITH
  • Patent number: 8971766
    Abstract: The present invention provides an electrophotographic member capable of more definitely suppressing occurrence of a C set image. The electrophotographic member has a surface layer including a modified polysiloxane having a structure represented by the following formula (1). In the formula (1), G represents a bivalent group having an ethylene oxide chain represented by (—O—C2H4—) and L represents polysiloxane having at least a SiO4/2(Q) unit or a SiO3/2(T) unit.
    Type: Grant
    Filed: June 4, 2013
    Date of Patent: March 3, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tomohito Taniguchi, Hiroshi Mayuzumi, Yusuke Yagisawa
  • Patent number: 8956728
    Abstract: A composition including an isocyanate, a polyether polyol and a low molecular weight polyester polyol having a weight average molecular weight in a range of about 200 g/mol to about 1000 g/mol is disclosed. Films including the composition and interlayers including the film are also disclosed. Transparencies including the interlayer and methods of making the same are further disclosed.
    Type: Grant
    Filed: November 30, 2012
    Date of Patent: February 17, 2015
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Razmik Boghossian, Khushroo H Lakdawala
  • Patent number: 8952093
    Abstract: The disclosure relates to water-dispersible polyurethane polymers as well as related polyurethane dispersion (PUD) compositions including the same, methods of making the same, methods of using the same, and articles coated with the same. The water-dispersible polyurethane polymer includes hydrophobic oligomeric polyether soft segments that include 1,2-di-substituted oxyethylene repeating units. The 1,2-di-substituted oxyethylene repeating units are derived from unsaturated fatty acid esters, such as from a distribution of epoxidized vegetable oil fatty acid esters subjected to a ring-opening polymerization process for oligomeric polyether polyol formation. The water-dispersible polyurethane polymer further includes hard segments common to other PUD compositions.
    Type: Grant
    Filed: February 15, 2012
    Date of Patent: February 10, 2015
    Assignee: Eastern Michigan University
    Inventor: Vijaykumar M. Mannari
  • Patent number: 8946375
    Abstract: A method for making over-indexed thermoplastic polyurethane elastomer precursor. The precursor may be cross-linked.
    Type: Grant
    Filed: December 28, 2012
    Date of Patent: February 3, 2015
    Assignee: NIKE, Inc.
    Inventors: Yasushi Ichikawa, Thomas J. Kennedy, III, Chien-Hsin Chou, Hui-Kai Liao
  • Publication number: 20150025164
    Abstract: The present invention relates to polyurethane rigid foams formulations. More particularly, the present invention relates to polyurethane rigid foams formulations, prepared from aromatic polyester polyols, which show improved compressive strength. The formulations include an isocyanate reacting mixture, at least one polymeric diphenylmethane diisocyanate, having a functionality of at least 2.7, and at least one blowing agent; such that the stoichiometric index of the polyisocyanate to the isocyanate reacting mixture is 1.0-1.8.
    Type: Application
    Filed: August 24, 2012
    Publication date: January 22, 2015
    Applicant: Dow Global Technologies LLC
    Inventors: Paolo Golini, Maurizio Guandalini
  • Patent number: 8933188
    Abstract: The tendency of a two component laminating adhesive based on polyurethane chemistry to form a mist of fine droplets when applied at a high line speed may be reduced by including both a high functionality polyol and a lower functionality polymeric polyol in Component B which is combined and reacted with an isocyanate-functionalized polyurethane prepolymer in Component A.
    Type: Grant
    Filed: November 12, 2004
    Date of Patent: January 13, 2015
    Assignee: Henkel US IP LLC
    Inventors: J. Brandon Simons, Grant B. Kenion
  • Publication number: 20150004197
    Abstract: The present invention provides a polymer fibre comprising a thermoplastic polymer comprising the following building blocks A and B: —O—(CH2—CH2—O)n— (A) —O—[CH2]y—O— (B), wherein n is an integer of 10-400, and y is an integer in the range of 2 to 16, wherein A is present in an amount of 15-30 mole %, B is present in an amount of 20-40 mole % and wherein building blocks A and B are linked by the following linking group C: —[(C?O)—NH—CH2—CH2—CH2—CH2—CH2—CH2—NH—(C?O)]— (C) wherein C is present in an amount of 45-55 mole %. The present invention further relates to a method for preparing a polymer fibre, absorbent articles comprising a polymer fibre and the use of a fibre in a product for treating wounds and/or burns.
    Type: Application
    Filed: September 20, 2012
    Publication date: January 1, 2015
    Applicant: MOLNLYCKE HEALTH CARE AB
    Inventors: Sebastian Doerr, Dennis Hansson
  • Publication number: 20140371391
    Abstract: The invention relates to a two-component polyurethane composition containing i) 10 to 80 wt. % of at least one polyol with an average molecular weight of 200 g/mol to 3000 g/mol, ii) 5 to 60 wt. % of at least one aromatic polyisocyanate, and iii) 0 to 15 wt. % of an additive. The composition has an NCO:OH ratio of 2:1 to 1:2, and the composition has a viscosity of 20 to 3000 mPas (EN ISO 2555, Brookfield viscometer, 25° C.) and displays a phase incompatibility after the mixing process. The functionality of the polyol mixture is greater than 2.3.
    Type: Application
    Filed: August 25, 2014
    Publication date: December 18, 2014
    Inventors: Andreas Ferencz, Lothar Thiele, Tamara Schmidt, Konrad Becker, Wolfgang Lupp, Dustin Ullmann, Oliver-Kei Okamoto
  • Patent number: 8912363
    Abstract: Provided is a chlorinated polyether which has excellent solubility in solvents and excellent thermal stability, has the excellent effect of improving the adhesion of coating materials, inks, and adhesives to polyolefins, can be expected to be usable as a flame retardant, and is useful also as a novel starting material for polyurethanes. The polyether is a novel chlorinated polyether containing, as a repeating unit, at least one of the chlorinated-ether residue represented by the following formula (1) and the chlorinated-ether residue represented by the following formula (2). Also provided is a novel polyurethane obtained therefrom.
    Type: Grant
    Filed: June 9, 2009
    Date of Patent: December 16, 2014
    Assignee: Tosoh Corporation
    Inventors: Megumi Okada, Mayuko Okada, Yuko Okada
  • Patent number: 8912280
    Abstract: An aqueous polyurethane resin dispersion containing a polyurethane resin obtained by reacting (A) a polyurethane prepolymer obtained by reacting (a) a polyisocyanate compound, (b) at least one polyol compound containing a polycarbonate polyol having a number average molecular weight of 400 to 3000, (c) an acidic group-containing polyol compound, (d) a blocking agent for an isocyanate group, which dissociates at 80 to 180° C., and (B) a chain elongating agent having reactivity with the isocyanate group, being dispersed in an aqueous medium, a sum of a content of urethane and urea bondings is 15 to 30% by weight in terms of solid components, a content of carbonate bondings is 8% to <15% by weight in terms of solid components, and a content of isocyanate group to which the above-mentioned blocking agent has bound is 0.2 to 3% by weight in terms of solid components as calculated on isocyanate group.
    Type: Grant
    Filed: February 23, 2010
    Date of Patent: December 16, 2014
    Assignee: Ube Industries, Ltd.
    Inventors: Atsushi Morikami, Masahiro Naiki, Fumio Adachi, Manabu Takahashi
  • Patent number: 8907008
    Abstract: The present invention relates to a composition comprising a hydrophobically modified alkylene oxide polyurethane characterized by having a Mw of from 50,000 to about 150,000 Daltons and a polydispersity of 2.5 to about 5.0. The present invention further relates to a multi-step process for the preparation of the hydrophobically modified polymer.
    Type: Grant
    Filed: September 4, 2013
    Date of Patent: December 9, 2014
    Assignee: Rohm and Haas Company
    Inventors: John Rabasco, Barrett R. Bobsein
  • Patent number: 8907040
    Abstract: Golf equipment including compositions including castable formulations that have low material hardness and increased shear resistance. The compositions may be used in any layer of a golf ball including cores, intermediate layers, and covers and result in high spin rates.
    Type: Grant
    Filed: December 10, 2012
    Date of Patent: December 9, 2014
    Assignee: Acushnet Company
    Inventors: Shawn Ricci, Christopher Cavallaro
  • Publication number: 20140357828
    Abstract: The present invention relates to a compound of a formula (I) in which R1, R2, R3 are respectively independent equal or various organic radicals that have no Zerewitinoff active hydrogen, R4 are independently hydrogen, equal or different organic radicals, having no Zerewitinoff active hydrogen, or together form an unsaturated or aromatic ring, which can potentially contain heteroatoms, wherein R4 have no Zerewitinoff active hydrogen, X is a linear or branched, potentially even a substituted organic radical in the chain with heteroatom, which does not have Zerewitinoff active hydrogen, n 0<n?2 and m 0?m<2, wherein n+m=2. The invention also relates to a process for producing a compound of said formula (I) as well as a polyurea system containing such a compound.
    Type: Application
    Filed: January 4, 2013
    Publication date: December 4, 2014
    Applicant: Medical Adhesive Revolution GmbH
    Inventors: Christoph Eggert, Heike Heckroth
  • Patent number: 8901186
    Abstract: Process for producing silica-comprising dispersions comprising a polyetherol or a polyether amine, which comprises the steps of (i) admixing an aqueous silica sol (K) having an average particle diameter of from 1 to 150 nm and a silica content, calculated as SiO2, of from 1 to 60% by weight and a pH of from 1 to 6 with at least one polyetherol (b1) and/or polyether amine (b2) based on ethylene oxide and/or propylene oxide and having an average OH or amine functionality of from 2 to 6 and a number average molecular weight of from 62 to 6000 g/mol, (ii) distilling off at least part of the water, (iii) admixing the dispersion with at least one compound (S) having at least one at least monoalkoxylated silyl group and at least one alkyl, cycloalkyl or aryl substituent, where this substituent may have groups which are reactive toward an alcohol, an amine or an isocyanate in an amount of from 0.
    Type: Grant
    Filed: March 11, 2010
    Date of Patent: December 2, 2014
    Assignee: BASF SE
    Inventors: Berend Eling, Zeljko Tomovic, Stefan Auffarth
  • Publication number: 20140350150
    Abstract: A viscosity regulating composition having a polymeric structure with an internal hydrophobic unit located within the polymer's backbone, multiple hydrophilic units, and terminal hydrophobic units. In one embodiment, the internal hydrophobic unit may have at least three linked hydrophobic segments, of the same or different hydrophobic segments, with the proviso that the multiple hydrophobic segments are not linked to each other by one or more hydrophilic linking segments, for example water-soluble, polymeric groups.
    Type: Application
    Filed: August 8, 2014
    Publication date: November 27, 2014
    Inventors: Chunzhao Li, Wilbur Mardis, Richard Henderson, Daphne Benderly
  • Publication number: 20140350206
    Abstract: The invention relates to a thermoplastic polyurethane that can be obtained by reacting at least the following components: an isocyanate having two isocyanate groups, a first poly(ethylene glycol)polyether diol of the structure (HO—(CH2-CH2-O)x-H) having two isocyanate-reactive groups and a number-average molecular weight Mn>=6000 and <=16000 g/mol, a second poly(ethylene glycol)polyether diol of the structure (HO—(CH2-CH2-O)x-H) having two isocyanate-reactive groups and a number-average molecular weight Mn that corresponds to up to 80% of the number-average molecular weight Mn of the first poly(ethylene glycol)polyether diol B1), a chain extender having two isocyanate-reactive groups and a number-average molecular weight Mn>=60 and <600 g/mol, optionally a catalyst, and optionally auxiliary agents and additives, wherein the equivalent ratio of isocyanate A); to poly(ethylene glycol)polyether diols B1) and B2) lies between 1.5:1.0 and 10.0:1.
    Type: Application
    Filed: September 17, 2012
    Publication date: November 27, 2014
    Applicant: Bayer Intellectual Property GmbH
    Inventors: Sebastian Dörr, Henricus Peerlings, Christian Wamprecht, Hansson Dennis
  • Patent number: 8889814
    Abstract: The object of the invention are compounds of the formula (2) wherein R1 is H, methyl or ethyl, R2 is C1- to C4 alkyl, A is a C2- to C4 alkylene group, m is number from 10 to 400, n is 1, 2, 3, 4, or 5, a method for their production and their use in the production of polyurethane prepolymers.
    Type: Grant
    Filed: August 27, 2013
    Date of Patent: November 18, 2014
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Klaus Poellmann, Juergen Muenter
  • Publication number: 20140329966
    Abstract: The invention relates to dioxomolybdenum (VI) complex compounds of the formula MoO2(L)x(Y)2-x, where the ligand L has the formula (I). Such complex compounds are suitable in particular as catalysts for one- and two-component polyurethane compositions. The invention also relates to two-component polyurethane compositions including at least one polyisocyanate as the first component, at least one polyol as the second component, and at least one such dioxomolybdenum (VI) complex compound as the catalyst. The invention further relates to one-component polyurethane compositions comprising at least one polyurethane prepolymer with isocyanate groups, which are made from at least one polyisocyanate with at least one polyol, and comprising such a dioxomolybdenum (VI) complex compound as the catalyst. The invention additionally relates to different uses of said polyurethane compositions.
    Type: Application
    Filed: December 12, 2012
    Publication date: November 6, 2014
    Inventors: Urs Burckhardt, Rita Cannas
  • Publication number: 20140329267
    Abstract: It is provided a self-healing polymer network comprising transition metal thiolates, particularly thiolates of a transition metal that is able to self-assemble by metallophilic attractions, and more particularly Au(1), Ag(1), Cu(1) thiolates, or a mixture thereof, and, optionally, disulfide bonds, thiol and other thiolate groups. It is also provided several processes for the preparation of the self-healing polymer networks of the invention, as well as uses thereof.
    Type: Application
    Filed: November 27, 2012
    Publication date: November 6, 2014
    Inventors: Ibón Odriozola, Pablo Casuso, Natividad Díaz, Iraida Loinaz, Germán Cabañero, Hans-jürgen Grande
  • Publication number: 20140322400
    Abstract: Adhesive compositions using modified diphenylmethane diisocyanate are disclosed along, with methods and articles using the adhesive compositions. The adhesive compositions are especially suited for making flexible laminates for use in food packaging.
    Type: Application
    Filed: July 14, 2014
    Publication date: October 30, 2014
    Inventors: BRIAN W. CARLSON, Dorian Nelson, Wayne G. Eklund
  • Publication number: 20140316060
    Abstract: The invention relates to a polymer (P) comprising at least one photoinitiator moiety (PI) and at least one dye moiety (DYE), wherein said at least one photoinitiator moiety (PI) and at least one dye moiety (DYE) are covalently linked to said polymer (P). Additionally, the invention relates to said polymer (P) being end-functionalized with optionally substituted acryloyi groups. The fact that both of these moieties are tightly bonded within the polymer, and the cross-linked polymer, means that the opportunities for leaching/migration of these components is reduced or even eliminated. Inks comprising at least one of said polymers are also provided. Methods for the manufacture of the polymers, and for printing are provided.
    Type: Application
    Filed: August 24, 2012
    Publication date: October 23, 2014
    Inventors: Niels Joergen Madsen, Christian B. Nielsen, Petr Sehnal, David George Anderson
  • Publication number: 20140316076
    Abstract: The present invention relates to an isocyanate functional prepolymer that can be achieved through a) a reaction of an H functional starter compound having at least one Zerewitinoff active H atom with an alkylene oxide and a comonomer to a preliminary stage bearing hydroxyl groups, wherein said comonomer is selected from the group comprising lactides, glycolides, cyclical dicarboxylic acid anhydrides as well as combinations thereof and wherein said comonomer is integrated through statistical copolymerization into the polymer chain(s) of the preliminary stage bearing hydroxyl groups, and b) a reaction of the preliminary stage bearing hydroxyl groups from step a) with a polyfunctional isocyanate to an isocyanate functional prepolymer. The invention additionally relates to a process for producing this isocyanate functional prepolymer, a tissue adhesive system containing such an isocyanate functional prepolymer and a dispensing system having at least two chambers and this type of tissue adhesive system.
    Type: Application
    Filed: December 17, 2012
    Publication date: October 23, 2014
    Inventors: Heike Heckroth, Christoph Eggert, Jörg Hofmann, Klaus Lorenz
  • Publication number: 20140309328
    Abstract: The present invention relates to polyurethane polymer compositions prepared by reacting a mixture comprising: a) at least one poly(ethylene glycol), b) at least one polyoxyalkylene diol (typically PPG or a copolymer of ethylene oxide and propylene oxide), c) at least one di- or poly-isocyanate, d) at least one polyol or macropolyol having a functionality greater than 2, or a mixture of such polyols or macropolyols having a functionality greater than 2, e) optionally an additional compound comprising at least one hydroxyl group and at least one primary or secondary amine group. The present invention also relates to an article comprising such a polymer, in particular a medical device such as a contact lens. A process for preparing a polyurethane hydrogel is also provided.
    Type: Application
    Filed: April 19, 2012
    Publication date: October 16, 2014
    Applicant: Ocutec Limited
    Inventors: Rashid Abdul, Neil Bonnette Graham, Roderick Bowers, Wade Tipton, John Fraser
  • Patent number: 8859676
    Abstract: An aqueous polyurethane resin dispersion containing a polyurethane resin obtained by reacting (A) a polyurethane prepolymer obtained by reacting (a) a polyisocyanate compound, (b) at least one polyol compound containing a polycarbonate polyol having a number average molecular weight of 400 to 3000, (c) an acidic group-containing polyol compound, and (d) a blocking agent for an isocyanate group, which dissociates at 80 to 180° C., and (B) a chain elongating agent having reactivity with the isocyanate group, being dispersed in an aqueous medium, a sum of a content of urethane bondings and a content of urea bondings is 7 to 18% by weight of solid components, a content of carbonate bondings is 15 to 40% by weight of solid components, and a content of an isocyanate group to which the above-mentioned blocking agent has bonded is 0.2 to 3% by weight of solid components and calculated on the isocyanate group.
    Type: Grant
    Filed: February 23, 2010
    Date of Patent: October 14, 2014
    Assignee: UBE Industries, Ltd.
    Inventors: Atsushi Morikami, Masahiro Naiki, Fumio Adachi, Manabu Takahashi
  • Patent number: 8846776
    Abstract: Composite materials and methods for their preparation are described herein. The composite materials include a polyurethane made from the reaction of an isocyanate and a mixture of polyols, and coal ash (e.g., fly ash). The mixture of polyols comprises at least two polyols including a high hydroxyl number polyol having a hydroxyl number greater than 250 and comprising from about 1% to about 25% by weight of the total polyol content used to form the polyurethane, and a low hydroxyl number polyol having a hydroxyl number of 250 or lower. The coal ash is present in amounts from about 40% to about 90% by weight of the composite material. Also described is a method of preparing a composite material, including mixing an isocyanate, a mixture of at least two polyols, coal ash (e.g., fly ash), and a catalyst.
    Type: Grant
    Filed: August 12, 2010
    Date of Patent: September 30, 2014
    Assignee: Boral IP Holdings LLC
    Inventors: Ronald M. Herrington, Kengqing Jian
  • Patent number: 8841402
    Abstract: The invention relates to a coating agent composition comprising an isocyanate-group-containing prepolymer obtained by reacting a polyol comprising a polyoxyalkylene polyol having 2-4 hydroxyl groups on average, an oxyethylene group content of 85-100% by mass based on all oxyalkylene groups (100% by mass), and an arithmetic-average molecular weight of 800-2,500 with an alicyclic isocyanate and/or an aliphatic isocyanate in the presence of an organic acid bismuth salt catalyst, the isocyanate(s) being used in such an amount as to result in an isocyanate index of 150-300. The invention can provide a coating agent composition which forms a coating film or film having moisture permeability, excellent in mechanical properties and yellowing resistance, having laundering durability and resistance to sweat deterioration, and containing no organotin compounds.
    Type: Grant
    Filed: December 17, 2008
    Date of Patent: September 23, 2014
    Assignee: Asahi Glass Company, Limited
    Inventors: Hiroshi Wada, Tomeyoshi Ohori