Aryl Group Patents (Class 524/135)
  • Patent number: 9861727
    Abstract: Embodiments of the invention include drug delivery coatings and devices including the same. In an embodiment, the invention includes a drug delivery coating including a polymeric layer. The polymeric layer can include a hydrophilic outer surface. The coating can also include a matrix contacting the hydrophilic outer surface. The matrix can include a particulate hydrophobic therapeutic agent and a cationic agent. The polymeric layer can further include a hydrophilic polymer having pendent photoreactive groups and a photo-crosslinker including two aryl ketone functionalities. Other embodiments are also included herein.
    Type: Grant
    Filed: January 29, 2015
    Date of Patent: January 9, 2018
    Assignee: Surmodics, Inc.
    Inventors: Joram Slager, Toni M. Heyer, David E. Babcock
  • Patent number: 9290653
    Abstract: The invention relates to the use of polyphosphonates, copoly(phosphonate ester)s, copoly(phosphonate carbonate)s, and their respective oligomers, as flame retardant additives for polyester fibers to impart fire resistance while maintaining or improving processing characteristics for melt spinning fibers.
    Type: Grant
    Filed: November 16, 2011
    Date of Patent: March 22, 2016
    Assignee: FRX Polymers, Inc.
    Inventors: Marc-Andre Lebel, Lawino Kagumba, Pin Go
  • Patent number: 8987357
    Abstract: The present invention relates to a thermoplastic molding composition comprising the following components: A) 20 to 98.99% by weight of at least one polyamide, B) 0.01 to 40% by weight of at least one branched polyimide selected from condensates of either b1) at least one polyisocyanate having an average of more than two isocyanate groups per molecule or b2) at least one polyamine having an average of more than two amino groups per molecule and b3) at least one polycarboxylic acid having at least three COOH groups per molecule or its anhydride C) 1 to 59% by weight of at least one flame retardant selected from the group of c1) phosphorus-containing flame retardants c2) nitrogen-containing flame retardants and mixtures of these, D) 0 to 50% by weight of further additives, where the total of the proportions by weight is 100% by weight based on the molding composition.
    Type: Grant
    Filed: May 25, 2012
    Date of Patent: March 24, 2015
    Assignee: BASF SE
    Inventors: Anna Cristadoro, Alexander König, Michael Roth
  • Patent number: 8969446
    Abstract: The present invention is a flame-retardant polyurethane composition comprising (a) a thermoplastic polyurethane-based resin component, (b) a phosphorus flame retardant particulate filler, and (c) a low melting temperature phosphorus flame retardant agent.
    Type: Grant
    Filed: July 30, 2008
    Date of Patent: March 3, 2015
    Assignee: Dow Global Technologies LLC
    Inventors: Geoffrey D. Brown, Given Jing Chen, Kawai Peter Pang, Robert F. Eaton, Manish Mundra, Anteneh Z. Worku
  • Patent number: 8906988
    Abstract: Provided is an integrated molded product in which a molded resin product containing a phosphorus compound is used and an addition-reactive silicone adhesive agent is used to achieve strong bonding. The integrated molded product comprises a thermoplastic resin molded product made of a thermoplastic resin composition comprising a polybutylene terephthalate resin and a phosphorus compound, the content of the phosphorus compound being 0.5% by mass or less; an addition-reactive silicone composition; and a member; and the thermoplastic resin molded product and the addition-reactive silicone composition are brought into contact with each other. The phosphorus compound to be used is preferably a trivalent phosphorous compound.
    Type: Grant
    Filed: October 28, 2011
    Date of Patent: December 9, 2014
    Assignee: Wintech Polymer Ltd.
    Inventors: Kumiko Doi, Kouichi Sakata
  • Publication number: 20140357767
    Abstract: The invention relates to polycarbonate compositions and copolycarbonate compositions with improved melt stability, the preparation thereof and the use thereof for the production of mouldings and mouldings obtainable therefrom, wherein the compositions contain a polycarbonate or copolycarbonate containing bisphenol A, and at least one phosphorus compound of the formulae (1) and (2), wherein R1 and R2 independently of each other and among one another are chosen from the group which includes branched alkyl radicals, aryl radicals and substituted aryl radicals.
    Type: Application
    Filed: August 19, 2014
    Publication date: December 4, 2014
    Applicant: Bayer Intellectual Property GmbH
    Inventors: Rolf Wehrmann, Helmut-Werner Heuer
  • Publication number: 20140296398
    Abstract: The present invention relates to the use of a polyolefin composition for water pipes or fittings with increased resistance to degradation caused by chlorine dioxide-containing water, particularly to the use of a combination of particular types of antioxidants for increasing the resistance of a polyolefin composition against degradation caused by contact with chlorine dioxide-containing water.
    Type: Application
    Filed: July 23, 2012
    Publication date: October 2, 2014
    Applicant: BOREALIS AG
    Inventors: Martin Anker, Tanja Piel
  • Patent number: 8828547
    Abstract: A composition, preferably a halogen-free, flame retardant composition, comprising in weight percent based on the weight of the composition: A. 1 to 90% TPU polymer, B. 1 to 90% polyolefin polymer, preferably a polar polyolefin polymer, C. 1 to 60% phosphorus-based, intumescent flame retardant, D. 0.5 to 25% liquid phosphate modifier, e.g., bis-phenol-A-polyphosphate, and E. Optional additives and/or fillers. The compositions exhibit excellent strain and scratch whitening performance in combination with excellent burn performance, good flexibility and tensile properties, and good fabrication extrusion characteristics including improved surface smoothness.
    Type: Grant
    Filed: May 24, 2011
    Date of Patent: September 9, 2014
    Assignee: Union Carbide CHemicals & Plastics Technology LLC
    Inventors: Manish Mundra, Geoffrey D. Brown
  • Publication number: 20140235771
    Abstract: There is provided a P3HA resin composition to which a crystal nucleating agent suitable for the promotion of the crystallization of a P3HA resin is added. A poly(3-hydroxyalkanoate) resin composition comprising: a poly(3-hydroxyalkanoate) resin; and a metal salt of a phenylphosphonic acid compound of Formula [1]: (where R1 and R2 are each independently a hydrogen atom, a C1-10 alkyl group, or a C2-11 alkoxycarbonyl group), wherein the metal salt is at least one selected from the group consisting of a lithium salt, a sodium salt, a potassium salt, a magnesium salt, a calcium salt, a barium salt, a manganese salt, an iron salt, a cobalt salt, a nickel salt, a copper salt, a silver salt, an aluminum salt, and a tin salt.
    Type: Application
    Filed: September 28, 2012
    Publication date: August 21, 2014
    Inventors: Takeshi Suwa, Kazutoshi Odaka, Hisato Hayashi, Masaaki Ozawa
  • Publication number: 20140221539
    Abstract: A polyamide resin composition includes (A) a semi-aromatic polyamide resin, (B) an inorganic filler, (C) a white pigment and (D) a phosphinate salt. The polyamide resin composition can have excellent heat resistance, reflectance, photostability and/or discoloration resistance.
    Type: Application
    Filed: October 30, 2013
    Publication date: August 7, 2014
    Applicant: Cheil Industries Inc.
    Inventors: Sang Hyun Hong, Sang Hwa Lee, Jong Cheol Lim, Yoo Jin Jung, Sang Kyun Lim
  • Patent number: 8779042
    Abstract: A polylactic acid based resin composition includes a polylactic acid based resin (A), a flame retardant (B) and a carbodiimide compound (C), the flame retardant (B) including at least a phosphorus compound (b1) having a phosphaphenanthrene skeleton and a hydroxy group, and the carbodiimide compound (C) including at least an aliphatic carbodiimide.
    Type: Grant
    Filed: January 24, 2011
    Date of Patent: July 15, 2014
    Assignee: NEC Corporation
    Inventors: Shin Serizawa, Yukihiro Kiuchi, Masatoshi Iji
  • Patent number: 8765849
    Abstract: The invention relates to a composition comprising, relative to the total weight of the composition: between 25% and 52% by weight of at least one semi-crystalline or amorphous polyamide, having an amine chain-end content of less than 0.040 meq/g, between 24% and 40% by weight of at least one reinforcer, and between 24% and 35% by weight of at least one metal salt, optionally contained in a polymer, chosen from a metal salt of phosphinic acid, a metal salt of diphosphinic acid, and a mixture thereof. The invention also relates to the process for preparing this composition and its use.
    Type: Grant
    Filed: January 27, 2010
    Date of Patent: July 1, 2014
    Assignee: Arkema France
    Inventors: Philippe Blondel, Eric Gamache, Benjamin Saillard, Barbara Ramfel
  • Publication number: 20140146569
    Abstract: A polycarbonate resin composition for light guides which has excellent light guiding properties and flame retardancy, a light guide and a surface light source body. The light guide is formed from a resin composition which comprises (A) 100 parts by weight of a polycarbonate resin (component A) and (B) 0.001 to 0.1 part by weight of a metal salt-based compound (component B).
    Type: Application
    Filed: April 26, 2012
    Publication date: May 29, 2014
    Inventors: Toshiyuki Miyake, Atsushi Hayashida, Yoshiaki Mori
  • Patent number: 8735474
    Abstract: The invention relates to a flame retardant composition, wherein the following components: a) At least one flame retardant component selected from the group consisting of phosphinic acid salts and nitrogen containing compounds; and b) At least one polymeric dispersing agent selected from the group consisting of styrenemaleic acid anhydride copolymers, long chain carboxylic acid salts and aliphatic polyether substituted by acidic groups; and c) A polymer substrate; are present.
    Type: Grant
    Filed: August 20, 2009
    Date of Patent: May 27, 2014
    Assignee: BASF SE
    Inventors: Simon Kniesel, Rudolf Pfaendner
  • Patent number: 8691896
    Abstract: Disclosed is a polymer foam with density in the range from 5 to 120 kg/m3 composed of a polymer component including at least one styrene polymer and from 0.1 to 5 parts by weight of a flame retardant mixture including at least one phosphorus compound of the formula PR1R2R3. A process for producing the polymer is also disclosed.
    Type: Grant
    Filed: February 7, 2011
    Date of Patent: April 8, 2014
    Assignee: BASF SE
    Inventors: Klaus Hahn, Olaf Kriha, Ingo Bellin, Patrick Spies, Sabine Fuchs, Peter Deglmann, Klemens Massonne, Hartmut Denecke, Christoph Fleckenstein, Geert Janssens, Maximilian Hofmann, Manfred Döring, Ciesielski Michael, Jochen Wagner
  • Publication number: 20130324649
    Abstract: Provided is an integrated molded product in which a molded resin product containing a phosphorus compound is used and an addition-reactive silicone adhesive agent is used to achieve strong bonding. The integrated molded product comprises a thermoplastic resin molded product made of a thermoplastic resin composition comprising a polybutylene terephthalate resin and a phosphorus compound, the content of the phosphorus compound being 0.5% by mass or less; an addition-reactive silicone composition; and a member; and the thermoplastic resin molded product and the addition-reactive silicone composition are brought into contact with each other. The phosphorus compound to be used is preferably a trivalent phosphorous compound.
    Type: Application
    Filed: October 28, 2011
    Publication date: December 5, 2013
    Applicant: Win Tech Polymer Ltd.
    Inventors: Kumiko Doi, Kouichi Sakata
  • Patent number: 8598280
    Abstract: Process for preparing molding materials MM with improved optical and color properties, consisting of a polymer PM which contains units of the formula I in which R1 and R2 are each hydrogen and methyl and R3 is hydrogen, C1-C18-alkyl, C5-C8-cycloalkyl, C6-C10-aryl, C6-C10-aryl-C1-C4-alkyl, where these radicals may be up to trisubstituted by radicals selected from the group consisting of C1-C4-alkoxy and halogen, prepared in an imidation reaction known per se in a reactive extruder, in which, on completion of the imidation reaction, an amount of one or more reducing phosphorus compounds P which is effective for color stabilization is added to the polymer PM, characterized in that the phosphorus compounds are organic phosphorus compounds OP selected from the group consisting of compounds of the formula II in which R4 and R5 are each independently hydrogen or an aromatic 6-membered ring which may be up to pentasubstituted by a C1-C4-alkyl and/or C5-C8-cycloalkyl groups.
    Type: Grant
    Filed: February 27, 2009
    Date of Patent: December 3, 2013
    Assignee: Evonik Roehm GmbH
    Inventors: Victor Khrenov, Krzysztof Sado, Nils Mehler, Klaus Schultes, Klaus Albrecht
  • Patent number: 8541489
    Abstract: Disclosed are polyamide compositions containing non-halogenated flame retardant and zinc stannate that have reduced corrosion effects on melt processing equipment.
    Type: Grant
    Filed: July 1, 2008
    Date of Patent: September 24, 2013
    Assignee: E I du Pont de Nemours and Company
    Inventor: Yige Yin
  • Publication number: 20130224461
    Abstract: A thermoplastic composition includes a poly(carbonate-arylate ester); and an organophosphorus compound in an amount effective to provide 0.1 to 1.0 wt % phosphorus based on the total weight of the composition, wherein an article molded from the composition has a smoke density after four minutes (Ds-4) of less than or equal to 300 determined according to ISO 5659-2 on a 3 mm thick plaque and a maximum average rate of heat release emission (MAHRE) of less than or equal to 90 kW/m2 determined according to ISO 5660-1 on a 3 mm thick plaque.
    Type: Application
    Filed: February 28, 2013
    Publication date: August 29, 2013
    Applicant: SABIC INNOVATIVE PLASTICS IP B.V.
    Inventor: SABIC Innovative Plastics IP B.V.
  • Patent number: 8476372
    Abstract: There is provided a polyester fiber which has few defects such as voids due to catalyst particles, and low variation in physical properties and minimal fluff generation. The polyester fiber of the invention comprises laminar nanoparticles composed of a divalent metal and a phosphorus compound and having side lengths of 5-100 nm and an interlayer spacing of 1-5 nm. There are also provided a tire cord, tire, belt-reinforcing fiber material and belt, comprising the polyester fiber.
    Type: Grant
    Filed: January 12, 2010
    Date of Patent: July 2, 2013
    Assignee: Teijin Fibers Limited
    Inventors: Shintaro Shimada, Junichi Togasaki, Fuyuki Terasaka, Seiji Ito
  • Publication number: 20130131235
    Abstract: The invention relates to a flameproof agent stabiliser combination containing, as component A 40-99 wt. % of a phosphinic acid salt of formula (I) and/or a diphosphinic acid salt of formula (II) and/or polymers thereof, wherein R1, R2 are the same or different and represent C1-C18-alkyl linear, branched or cyclic, C6-C18-aryl, C7-C18-arylalkyl and/or C7-C18-alkylaryl; R3 represents C1-C10-alkylene, linear or branched, C6-C10-arylene, C7-C18-alkylarylene or C7-C18-arylalkylene; M represents Mg, Ca, Al, Sb, Sn, Ge, Ti, Zn, Fe, Zr, Ce, Bi, Sr, Mn, Li, Na, K and/or a protoned nitrogen base; m represents 1-4; n represents 1-4; x represents 1-4, as component B 1-60 wt. % of a phosphinic acid salt of general formula (III) wherein R4 represents C1-C18-alkyl linear, branched or cyclic, C6-C18-aryl, C7-C18-arylalkyl or C7-C18-alkylaryl and M represents Mg, Ca, Al, Sb, Sn, Ge, Ti, Zn, Fe, Zr, Ce, Bi, Sr, Mn, Li, Na, K and/or a protonated nitrogen base, as component C 0-50 wt.
    Type: Application
    Filed: April 20, 2011
    Publication date: May 23, 2013
    Applicant: CLARIANT FINANCE (BVI) LIMITED
    Inventors: Sebastian Hoerold, Harald Bauer
  • Patent number: 8445718
    Abstract: There is provided to a method for efficiently producing phosphonic acid metal salt fine particles with an average particle diameter of 0.5 ?m or less with high efficiency. A method for producing phosphonic acid metal salt fine particles, comprising: a) causing a reaction of a phosphonic acid compound of Formula (I): (where R1 and R2 are each independently a hydrogen atom, an alkyl group having 1 to 10 carbon atoms, or an alkoxycarbonyl group having 1 to 10 carbon atoms) with a base in an aqueous medium to adjust a pH range of the reaction system to be neutral to basic; b) causing a reaction of the product obtained in a) with a metal salt to precipitate a phosphonic acid metal salt from the aqueous medium; c) removing water from the phosphonic acid metal salt precipitated in b); and d) heating and drying the phosphonic acid metal salt from which water is removed in c).
    Type: Grant
    Filed: May 12, 2010
    Date of Patent: May 21, 2013
    Assignee: Nissan Chemical Industries, Ltd.
    Inventors: Takeshi Suwa, Hisato Hayashi, Masaaki Ozawa
  • Publication number: 20130109793
    Abstract: The present invention relates to a new process for preparing polyisocyanates containing isocyanurate groups and being flocculation-stable in solvents from (cyclo)aliphatic diisocyanates.
    Type: Application
    Filed: October 25, 2012
    Publication date: May 2, 2013
    Inventors: Harald SCHAEFER, Shintaro Gomyo, Jing He, Horst Binder, Liang Han, Woosuk Lee
  • Publication number: 20130012631
    Abstract: A polylactic acid based resin composition includes a polylactic acid based resin (A), a flame retardant (B) and a carbodiimide compound (C), the flame retardant (B) including at least a phosphorus compound (b1) having a phosphaphenanthrene skeleton and a hydroxy group, and the carbodiimide compound (C) including at least an aliphatic carbodiimide.
    Type: Application
    Filed: January 24, 2011
    Publication date: January 10, 2013
    Applicant: NEC CORPORATION
    Inventors: Shin Serizawa, Yukihiro Kiuchi, Masatoshi Iji
  • Patent number: 8343570
    Abstract: The present invention relates to thermosetting powder coating compositions comprising of at least one bismuth-containing inorganic pigment, at least one organic phosphorous stabilizer, at least one thermally polymerizable thermosetting powder coating resin and at least one crosslinker. The inventive thermosetting powder coating compositions are advantageously used where there is a need for heat resistant coatings and where only minor surface modifications during over bake conditions are acceptable. The invention also relates to the use of the inventive thermosetting powder coating compositions for the preparation of powdered paints and varnishes for the making of coatings and to coatings obtained therewith.
    Type: Grant
    Filed: November 8, 2006
    Date of Patent: January 1, 2013
    Assignee: DCC IP
    Inventors: Thomas Gross, Conny Te Walvaart, Hub Bernsen, Jules Lahaye
  • Patent number: 8338507
    Abstract: The present invention relates to the use of phosphinic acids and/or phosphonic acids and salts thereof for wetting fluorine compounds, in particular fluoropolymers, to the use in coating solutions comprising fluorine compounds, and to polymerisation processes in which fluorine compounds are used and/or formed.
    Type: Grant
    Filed: November 22, 2008
    Date of Patent: December 25, 2012
    Assignee: Merck Patent Gesellschaft mit Beschränkter Haftung
    Inventors: Wolfgang Hierse, Nikolai (Mykola) Ignatyev
  • Publication number: 20120165443
    Abstract: Disclosed is a copolyether ester elastomer resin including a polybutylene terephthalate (PBT) repeat unit, and a titanium catalyst deactivating compound.
    Type: Application
    Filed: February 27, 2012
    Publication date: June 28, 2012
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Judith Alison Peacock, David J. Wrigley
  • Patent number: 8178607
    Abstract: The present invention relates to a thermoplastic composition comprising at least aluminum hypophosphite (aluminum phosphinate), corresponding to the chemical formula Al(H2PO2)3 as halogen-free flame retardant agent, and at least a polymer based on polyamide. The flame retarded halogen-free thermoplastic molding compositions according to the invention is used to produce articles based on polyamide polymers with or without glass fiber reinforcement, which are flame retarded.
    Type: Grant
    Filed: January 7, 2004
    Date of Patent: May 15, 2012
    Assignee: Italmatch Chemicals S.p.A.
    Inventors: Silvestro Costanzi, Maurizio Leonardi
  • Publication number: 20120083558
    Abstract: The invention relates to a flame-retardant polyamide molding composition based on semicrystalline polyamides. This polyamide molding composition is based on (A) from 30 to 92% by weight of at least one aliphatic or semiaromatic, semicrystalline polyamide with melting point (Tm) in the range from 240° C. to 340° C.; (B) from 0 to 50% by weight of at least one filler and reinforcing agent; (C) from 8 to 18% by weight of at least one halogen-free flame retardant; (D) from 0 to 2.0% by weight of at least one barium carboxylate; (E) from 0 to 5% by weight of at least one additive; wherein the percentages by weight of components (A) to (E) give a total of 100%, and with the proviso that if the proportion of component (D) is in the range from 0 to 0.1% by weight the halogen-free flame retardant of component (C) is based on a barium phosphinate.
    Type: Application
    Filed: June 5, 2009
    Publication date: April 5, 2012
    Applicant: EMS-PATENT AG
    Inventors: Andreas Bayer, Nikolai Lamberts
  • Publication number: 20120040115
    Abstract: The invention relates to a composition comprising, relative to the total weight of the composition: between 25% and 52% by weight of at least one semi-crystalline or amorphous polyamide, having an amine chain-end content of less than 0.040 meq/g, between 24% and 40% by weight of at least one reinforcer, and between 24% and 35% by weight of at least one metal salt, optionally contained in a polymer, chosen from a metal salt of phosphinic acid, a metal salt of diphosphinic acid, and a mixture thereof. The invention also relates to the process for preparing this composition and its use.
    Type: Application
    Filed: January 27, 2010
    Publication date: February 16, 2012
    Applicant: Arkema France
    Inventors: Philippe Blondel, Eric Gamache, Benjamin Saillard, Barbara Ramfel
  • Publication number: 20110306710
    Abstract: Disclosed is a method for increasing the solid state polymerization (SSP) rates of metal catalyzed polyesters. The method comprises in a first step, reacting a dicarboxylic acid or a C1-C4 dicarboxylic diester with a diol at a suitable temperature and pressure to effect esterification or transesterification to prepare a precondensate and in a second step, reacting the precondensate to effect polycondensation at a suitable temperature and pressure to prepare a high molecular weight polyester and in a third step, further increasing the molecular weight and viscosity of the polyester under SSP conditions of a suitable temperature and pressure, where a metal catalyst is added in the first step or in the second step as a reaction catalyst, and where a certain phosphinic acid compound is added in the first step, in the second step or just prior to the third step. The polyester product exhibits low aldehyde formation during melt processing steps as well as excellent color.
    Type: Application
    Filed: August 22, 2011
    Publication date: December 15, 2011
    Inventors: Paul Odorisio, Stephen M. Andrews, Thomas F. Thompson, Si Wu, Paragkumar Thanki, Deepak M. Rane, Delina Joseph, Jianzhao Wang
  • Publication number: 20110281983
    Abstract: The invention relates to a method for producing monohydroxy-functionalized dialkylphosphinic acids, esters, and salts, characterized in that a) a phosphinic acid source (I) is reacted with olefins (IV) in the presence of a catalyst A to obtain an alkylphosphonous acid, the salt or ester (II) thereof, b) the, obtained alkylphosphonous acid, the salt or ester (II) thereof is reacted with alkylene oxides of formula (V) in the presence of a catalyst B to obtain a monofunctionalized dialkylphosphinic acid derivative (III), wherein R1, R2, R3, R4, R5, R6, R7, R8 are identical or different from each other and independently represent, inter alia, H, C1-C18-alkyl, C6-C18-aryl, C6-C18-aralkyl, C6-C18-alkylaryl, and X represents H, C1-C18-alkyl, C6-C18-aryl, C6-C18-aralkyl, C6-C18-alkylaryl, Mg, Ca, Al, Sb, Sn, Ge, Ti, Fe, Zr, Zn, Ce, Bi, Sr, Mn, Cu, Ni, Li, Na, K and/or a protonated nitrogenous base, catalyst A represents transition metals and/or transition metal compounds and/or catalyst systems composed of a transiti
    Type: Application
    Filed: October 6, 2009
    Publication date: November 17, 2011
    Applicant: CLARIANT FINANCE (BVI) LIMITED
    Inventors: Michael Hill, Werner Krause, Martin Sicken
  • Publication number: 20110275743
    Abstract: A flame-retardant thermoplastic resin composition that has a largely decreased corrosiveness to metals while maintaining a high degree of flame retardancy is provided, which is produced by adding a phosphinic acid salt and a compound having a specific structure to a thermoplastic resin, and molded articles with largely decreased corrosiveness to metals are also provided, so that useful molded articles can be provided as materials for mechanical machine parts, electric/electronic components, and automotive parts. The flame-retardant thermoplastic resin composition includes 65 to 99 wt % of (A) a thermoplastic resin, 1 to 35 wt % of (B) at least one phosphinic acid salt selected from the group of phosphinic acid salt, diphosphinic acid salt, polymer of phosphinic acid salts, and polymer of diphosphinic acid salts, and 0.001 to 0.70 wt % of (C) a compound having a specific, and molded articles produced therefrom.
    Type: Application
    Filed: July 5, 2010
    Publication date: November 10, 2011
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Hiromitsu Ishii, Kentaro Togawa, Sadanori Kumazawa
  • Patent number: 8048945
    Abstract: 4,4?-Biphenol polysulfone composition comprising: as main ingredient, at least one polysulfone comprising more than 50 mol. % of recurring units formed by reacting 4,4?-biphenol with at least one sulfone monomer SM1 (Bo1 PSU), more than 0.01% by weight, based on the total weight of the composition, of at least one phosphorus-containing compound chosen from organic phosphites and organic phosphonites, and at least one polysulfone comprising more than 50 mol. % of recurring units formed by reacting bisphenol A with at least one sulfone monomer SM2 (Bo1 A PSU). 4,4?-Biphenol polysulfone composition containing at least 60% by weight, based on the total weight of the 4,4?-biphenol polysulfone composition, of at least one Bo1 PSU, said composition having a melt viscosity ratio at 410° C. and at a shear rate of 50 s?1 (VR40) of below 1.20. Process which is especially well-suited to prepare the above compositions. Articles made from the above compositions or prepared by the above process.
    Type: Grant
    Filed: February 4, 2010
    Date of Patent: November 1, 2011
    Assignee: Solvay Advanced Polymers, L.L.C.
    Inventor: Mohammad Jamal El-Hibri
  • Publication number: 20110245386
    Abstract: The invention relates to a method for producing mixed-substituted dialkyiphosphinic acids, esters, and salts, characterized in that a) a phosphinic acid source (I) is reacted with olefins (IV) in the presence of a catalyst A to obtain an alkylphosphonous acid, the salt or ester (II) thereof, b) the obtained alkylphosphonous acid, the salt or ester (II) thereof is reacted with an olefin (IV) in the presence of a catalyst B to obtain the mixed-substituted dialkylphosphinic acid derivative (III), wherein R1, R2, R3, R4, R11, R12, R13, R14 are identical or different from each other and independently represent, inter alia, H, C1-C18-alkyl, C6-C18-aryl, C6-C18-aralkyl, C6-C18-alkylaryl, X represents H, C1-C18-alkyl, C8-C18-aryl, C6-C18-aralkyl, C8-C18-alkylaryl, Mg, Ca, Al, Sb, Sn, Ge, Ti, Fe, Zr, Zn, Ce, Bi, Sr, Mn, Cu, Ni, Li, Na, K and/or a protonated nitrogenous base, catalyst A represents transition metals and/or transition metal compounds and/or catalyst systems composed of a transition metal and/or a transit
    Type: Application
    Filed: October 6, 2009
    Publication date: October 6, 2011
    Applicant: CLARIANT FINANCE (BVI) LIMITED
    Inventors: Michael Hill, Werner Krause, Martin Sicken
  • Publication number: 20110224338
    Abstract: This invention relates to a method for additivating polymer resins with antioxidants and antiUV stabilsers. It is particularly suitable for resins used rotomoulding applications.
    Type: Application
    Filed: October 1, 2009
    Publication date: September 15, 2011
    Applicant: TOTAL PETROCHEMICALS RESEARCH FELUY
    Inventor: Eric Maziers
  • Publication number: 20110213062
    Abstract: The invention relates to a method for producing mono-hydroxyfunctionalized dialkylphosphinic acids and esters and salts thereof, characterized in that a) a phosphinic acid source (I) is reacted with olefins (IV) to yield an alkylphosphonic acid, salt or ester (II) thereof in the presence of a catalyst A, b) the thus obtained alkylphosphonic acid, salt or ester (II) thereof is reacted with acetylenic compounds of formula (V) to yield a mono-functionalized dialkylphosphinic acid derivative (VI) in the presence of a catalyst B, and c) the thus obtained mono-functionalized dialkylphosphinic acid derivative (VI) is reacted with carbon monoxide to yield a mono-functionalized dialkylphosphinic acid derivative (VII) in the presence of a catalyst C, and d) the thus obtained mono-functionalized dialkylphosphinic acid derivative (VII); is reacted to yield a mono-hydroxyfunctionalized dialkylphosphinic acid derivative (III) in the presence of a catalyst D, wherein R1, R2, R3, R4, R5, R6 are the same or different and stan
    Type: Application
    Filed: October 6, 2009
    Publication date: September 1, 2011
    Applicant: CLARIANT FINANCE (BVI) LIMITED
    Inventors: Michael Hill, Werner Krause, Martin Sicken
  • Publication number: 20110213061
    Abstract: The invention relates to a method for producing mono-aminofunctionalized dialkylphosphinic acids and esters and salts thereof, characterized in that a) a phosphinic acid source (I) is reacted with olefins (IV) to yield an alkylphosphonic acid, salt or ester (II) thereof in the presence of a catalyst A, b) the thus obtained alkylphosphonic acid, salt or ester (II) thereof is reacted with acetylenic compounds of formula (V) to yield a mono-functionalized dialkylphosphinic acid derivative (VI) in the presence of a catalyst B, and c) the thus obtained mono-functionalized dialkylphosphinic acid derivative (VI) is reacted with a hydrogen cyanide source to yield a mono-functionalized dialkylphosphinic acid derivative (VII) in the presence of a catalyst C, and d) the thus obtained mono-functionalized dialkylphosphinic acid derivative (VII); is reacted to yield a mono-aminofunctionalized dialkylphosphinic acid derivative (III) in the presence of a catalyst D or a reduction agent, wherein R1, R2, R3, R4, R5, R6 are the
    Type: Application
    Filed: October 6, 2009
    Publication date: September 1, 2011
    Applicant: CLARIANT FINANCE (BVI) LIMITED
    Inventors: Michael Hill, Werner Krause, Martin Sicken
  • Publication number: 20110184101
    Abstract: Disclosed is a thermoplastic polyester resin composition excellent in flame resistance, mechanical strength, and laser printability. The thermoplastic resin composition comprising 100 parts by weight of a thermoplastic polyester resin (A), 5 to 60 parts by weight of a phosphinate (B) represented by the following formula (1) or (2), 0.1 to 20 parts by weight of an organosiloxane (C), and 0.01 to 30 parts by weight of a colemanite (D), wherein the organosiloxane (C) is an organosiloxane compound (C-a) comprising organic groups bonding to a silicon atom directly or through an oxygen atom, wherein 40 mole % or more of the organic groups are an aryl group, and/or an organosiloxane polymer (C-b) in the form of solid at 25° C.
    Type: Application
    Filed: July 22, 2009
    Publication date: July 28, 2011
    Applicant: MITSUBISHI ENGINEERING-PLASTICS CORPORATION
    Inventor: Yasushi Yamanaka
  • Publication number: 20110130490
    Abstract: The present invention is a flame-retardant polyurethane composition comprising (a) a thermoplastic polyurethane-based resin component, (b) a phosphorus flame retardant particulate filler, and (c) a low melting temperature phosphorus flame retardant agent.
    Type: Application
    Filed: July 30, 2008
    Publication date: June 2, 2011
    Inventors: Geoffrey D. Brown, Given Jing Chen, Kawai Peter Pang, Robert F. Eaton, Manish Mundra, Anteneh Z. Worku
  • Patent number: 7919541
    Abstract: The present invention concerns a method of manufacturing flame-retardant polyethylene or polypropylene foam using a derivative of carboxylic acid of phenylphosphinic acid and the flame-retardant polymer foam made thereby. More specifically, this invention concerns a method of manufacturing highly expanded flame-retardant polymer foam prepared by mixing the above mentioned phosphorous flame retardant in a polymer resin and expanding the mixture with a volatile blowing agent or by applying a solution of an organic phosphorous compound to an already-made highly expanded foam and then drying the highly-expanded polymer foam, and the flame-retardant foam prepared thereby.
    Type: Grant
    Filed: May 2, 2007
    Date of Patent: April 5, 2011
    Inventor: Chung Poo Park
  • Publication number: 20110015317
    Abstract: Process for preparing moulding materials MM with improved optical and colour properties, consisting of a polymer PM which contains units of the formula I in which R1 and R2 are each hydrogen and methyl and R3 is hydrogen, C1-C18-alkyl, C5-C8-cycloalkyl, C6-C10-aryl, C6-C10-aryl-C1-C4-alkyl, where these radicals may be up to trisubstituted by radicals selected from the group consisting of C1-C4-alkoxy and halogen, prepared in an imidation reaction known per se in a reactive extruder, in which, on completion of the imidation reaction, an amount of one or more reducing phosphorus compounds P which is effective for colour stabilization is added to the polymer PM, characterized in that the phosphorus compounds are organic phosphorus compounds OP selected from the group consisting of compounds of the formula II in which R4 and R5 are each independently hydrogen or an aromatic 6-membered ring which may be up to pentasubstituted by a C1-C4-alkyl and/or C5-C8-cycloalkyl groups.
    Type: Application
    Filed: February 27, 2009
    Publication date: January 20, 2011
    Applicant: Evonik Roehm GmbH
    Inventors: Victor Khrenov, Krzysztof Sado, Nils Mehler, Klaus Schultes, Klaus Albrecht
  • Patent number: 7829614
    Abstract: A composition comprises, based on the total weight of the composition: from 20 to 90 wt. % of a polyester component comprising a poly(butylene terephthalate); from 5 to 35 wt. % of a flame retardant phosphinate of the formula (I) [(R1)(R2)(PO)—O]?mMm+??(I) a flame retardant diphosphinate of the formula (II) [(O—POR1)(R3)(POR2—O)]2?nMm+x??(II), and/or a flame retardant polymer derived from the flame retardant phosphinate of the formula (I) or the flame retardant diphosphinate of the formula (II); from 1 to 25 wt. % of a melamine polyphosphate, melamine cyanurate, melamine pyrophosphate, and/or melamine phosphate; from greater than zero to 50 wt. % of a glass fiber having a non-circular cross-section; and from 0 to 5 wt. % of an additive selected from the group consisting of a mold release agent, an antioxidant, a thermal stabilizer, an antioxidant, and a UV stabilizer; wherein the components have a combined total weight of 100 wt. %.
    Type: Grant
    Filed: December 30, 2008
    Date of Patent: November 9, 2010
    Assignee: Sabic Innovative Plastics IP B.V.
    Inventors: Tianhua Ding, Sung Dug Kim
  • Publication number: 20100273921
    Abstract: The present invention relates to the use of phosphinic acids and/or phosphonic acids and salts thereof for wetting fluorine compounds, in particular fluoropolymers, to the use in coating solutions comprising fluorine compounds, and to polymerisation processes in which fluorine compounds are used and/or formed.
    Type: Application
    Filed: November 22, 2008
    Publication date: October 28, 2010
    Inventors: Wolfgang Hierse, Nikolai (Mykola) Ignatyev
  • Publication number: 20100190901
    Abstract: The invention relates to alkylphosphonous acids, salts and esters of formula (I) A-P(?O)(OX)—H (I) wherein A is C2-C20alkyl, C2-C20alkylene, and C8-C20 alkaryl are optionally substituted, and X is H, alkyl, aryl, alkylaryl, alkenyl, substituted alkyl, aryl, alkaryl, alkenyl, ammonium, primary, secondary, tertiary, quaternary alkyl and/or aryl ammonium, an alkali metal, an alkaline earth metal, a metal of the third and fourth main group and the second, fourth and eight sub-group or a metal of the lanthanoid group. The invention also relates to methods for producing same and to the uses of said compounds.
    Type: Application
    Filed: July 2, 2008
    Publication date: July 29, 2010
    Applicant: CLARIANT FINANCE (BVI) LIMITED
    Inventors: Michael Hill, Harald Bauer, Werner Krause
  • Patent number: 7750171
    Abstract: Process for preparing catalyst assemblies by mixing a metal catalyst capable of catalyzing a hydrosilylation reaction and an organophosphorus inhibitor of the formula (I) or of formula (VIII) P(OR)3, either by mixing the inhibitor into a solution of catalyst in an unsaturated silane or siloxane or by mixing the inhibitor into a gum or oil at a temperature greater than the melting temperature or softening temperature of the organophosphorus compound, then mixing the catalyst. Catalyst assemblies, process for preparing one-component silicone compositions, and resultant compositions.
    Type: Grant
    Filed: June 26, 2008
    Date of Patent: July 6, 2010
    Assignee: Bluestar Silicones France
    Inventors: Sébastien Sterin, Rémi Thiria
  • Publication number: 20100168294
    Abstract: 4,4?-Biphenol polysulfone composition comprising: as main ingredient, at least one polysulfone comprising more than 50 mol. % of recurring units formed by reacting 4,4?-biphenol with at least one sulfone monomer SM1 (Bo1 PSU), more than 0.01% by weight, based on the total weight of the composition, of at least one phosphorus-containing compound chosen from organic phosphites and organic phosphonites, and at least one polysulfone comprising more than 50 mol. % of recurring units formed by reacting bisphenol A with at least one sulfone monomer SM2 (Bo1 A PSU). 4,4?-Biphenol polysulfone composition containing at least 60% by weight, based on the total weight of the 4,4?-biphenol polysulfone composition, of at least one Bo1 PSU, said composition having a melt viscosity ratio at 410° C. and at a shear rate of 50 s?1 (VR40) of below 1.20. Process which is especially well-suited to prepare the above compositions. Articles made from the above compositions or prepared by the above process.
    Type: Application
    Filed: February 4, 2010
    Publication date: July 1, 2010
    Applicant: SOLVAY ADVANCED POLYMERS, L.L.C.
    Inventor: Mohammad Jamal EL-HIBRI
  • Publication number: 20100113656
    Abstract: There is provided high temperature flame retarded polyamides which provide superior properties in molded articles while maintaining high flow in the molding process. The resin compositions include, in addition to the polyamide and flame retardant, talc and at least one inorganic reinforcing agent and/or filler other than talc. Processes for their preparation and articles made from these compositions are also disclosed.
    Type: Application
    Filed: October 21, 2009
    Publication date: May 6, 2010
    Applicant: E.I. DU PONT DE NEMOURS AND COMPNAY
    Inventor: Yuji Saga
  • Patent number: 7691926
    Abstract: 4,4?-Biphenol polysulfone composition comprising: as main ingredient, at least one polysulfone comprising more than 50 mol. % of recurring units formed by reacting 4,4?-biphenol with at least one sulfone monomer SM1 (Bo1 PSU), more than 0.01% by weight, based on the total weight of the composition, of at least one phosphorus-containing compound chosen from organic phosphites and organic phosphonites, and at least one polysulfone comprising more than 50 mol. % of recurring units formed by reacting bisphenol A with at least one sulfone monomer SM2(Bo1 A PSU). 4,4?-Biphenol polysulfone composition containing at least 60% by weight, based on the total weight of the 4,4?-biphenol polysulfone composition, of at least one Bo1 PSU, said composition having a melt viscosity ratio at 410° C. and at a shear rate of 50 s?1 (VR40) of below 1.20. Process which is especially well-suited to prepare the above compositions. Articles made from the above compositions or prepared by the above process.
    Type: Grant
    Filed: December 17, 2003
    Date of Patent: April 6, 2010
    Assignee: Solvay Advanced Polymers, L.L.C.
    Inventor: Mohammad Jamal El-Hibri
  • Publication number: 20100001430
    Abstract: Disclosed are polyamide compositions containing non-halogenated flame retardant and zinc stannate that have reduced corrosion effects on melt processing equipment.
    Type: Application
    Filed: July 1, 2008
    Publication date: January 7, 2010
    Inventor: Yige Yin