Aryl Group Patents (Class 524/141)
  • Publication number: 20080166484
    Abstract: The present invention is directed to a curable composition that provides fire retardant, selfextinguishing properties for adhesive applications The curable composition contains a particulate, phosphorous-containing compound, and another compound which is a liquid phosphorous compound or a particulate compound. The cured composition exhibits fire retardancy properties and mechanical strength.
    Type: Application
    Filed: July 7, 2005
    Publication date: July 10, 2008
    Applicant: Huntsman Advanced Materials Americas Inc.
    Inventor: Armstrong Gordon Smith
  • Patent number: 7381763
    Abstract: A flame retardant aromatic polycarbonate resin composition comprising: (A) an aromatic polycarbonate resin (component A); (B) an acrylonitrile-styrene copolymer (component B); (C) inorganic fillers (components C); (D) an organic phosphorus compound-based flame retardant (component D); and (E) a fluorine-containing anti-dripping agent (component E), the amounts of the above components are specific and particularly the components C consist of (C1) mica and (C2) talc and/or wollastonite in a specific ratio, and a molded article formed from the resin composition. According to the present invention, there are provided a resin composition which has excellent mechanical properties, flame retardancy and dimensional stability, is light in weight and rarely wears away a mold and a molded article of the resin composition.
    Type: Grant
    Filed: November 21, 2005
    Date of Patent: June 3, 2008
    Assignee: Teijin Chemicals, Ltd.
    Inventor: Seiji Kikuchi
  • Patent number: 7358287
    Abstract: The invention relates to a flame retardant polycarbonate composition which is comprised of a polycarbonate, a phosphoric acid ester, a functionalized acrylic polymer, and an alkyl methacrylate-diene-vinyl aromatic terpolymer, wherein the polycarbonate is present in the composition in an amount of at least about 85 weight percent, wherein the phosphoric acid ester is present at a level which is within the range of about 1 weight percent to about 12 weight percent, wherein the functionalized acrylic polymer is present at a level which is within the range of about 0.5 weight percent to about 4.5 weight percent, and wherein the alkyl methacrylate-diene-vinyl aromatic terpolymer is present at a level which is within the range of about 0.5 weight percent to about 4.5 weight percent, with the proviso that the sum of the amount of the functionalized acrylic polymer and the alkyl methacrylate-diene-vinyl aromatic terpolymer present in the composition does not total more than 5 weight percent.
    Type: Grant
    Filed: May 31, 2005
    Date of Patent: April 15, 2008
    Assignee: Ovation Polymer Technology and Engineered Materials, Inc.
    Inventors: Jin Zhu, Nishant Negandhi
  • Patent number: 7307120
    Abstract: The present invention provides a thermoplastic resin composition containing 100 parts by mass of a mixture of a thermoplastic resin (A) and carbon nanotubes (B), the mixture being composed of the component (A) in an amount of 20 to 99.95 mass % and the component (B) in an amount of 0.05 to 20 mass %; a flame retardant (C) in an amount of 0.05 to 30 parts by mass; and a polyfluoroolefin resin in an amount of 0 to 2 parts by mass. The flame retardant is preferably a phosphorus compound, and the thermoplastic resin preferably contains, as a component, an aromatic polycarbonate-polyorganosiloxane copolymer.
    Type: Grant
    Filed: January 28, 2003
    Date of Patent: December 11, 2007
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventor: Akio Nodera
  • Patent number: 7279516
    Abstract: The present invention is in the field of polymer sheets for use in multiple layer glass panels, and more specifically, the present invention is in the field of polymer sheets comprising agents that improve fire resistance in the polymer sheets.
    Type: Grant
    Filed: November 2, 2004
    Date of Patent: October 9, 2007
    Assignee: Solutia Incorporated
    Inventor: John Joseph D'Errico
  • Patent number: 7273014
    Abstract: The invention relates to plastic pallets that pass the Underwriters Laboratory UL 2335 protocol for pallets wherein said pallets comprises at least one resin selected from the group consisting of: (a) polyphenylene ether resin and blends containing polyphenylene ether resin, (b) polycarbonate resin and blends containing polycarbonate resin, (c) vinyl aromatic graft copolymer resin; (d) polyetherimide resin and blends containing polyetherimide resin, and (e) thermosetting resins. In a preferred embodiment, the plastic pallet has an open deck design. The invention also relates to a method to make pallets that pass the UL 2335 protocol.
    Type: Grant
    Filed: February 4, 2004
    Date of Patent: September 25, 2007
    Assignee: General Electric Company
    Inventors: Adeyinka Adedeji, Geoffrey Henry Riding, Bruce Marshall Torrey
  • Patent number: 7265172
    Abstract: Thermoplastic molding composition comprising components A, B, C and D and, if appropriate, E, F, G and H, A) from 1 to 97.5% by weight of at least one aromatic polycarbonate A, B) from 1 to 97.5% by weight of at least one graft polymer B made from b1) from 40 to 80% by weight of a graft base made from an elastomeric polymer B1, b2) from 20 to 60% by weight of a graft B2 made from b21) from 60 to 95% by weight of styrene or of substituted styrenes B21 and b22) from 5 to 40% by weight of at least one unsaturated nitrile B22, C) from 1 to 97.5% by weight of at least one thermoplastic copolymer C made from c1) from 60 to 85% by weight of styrene or of substituted styrenes C1 or mixtures thereof and c2) from 15 to 40% by weight of at least one unsaturated nitrile C2, D) from 0.
    Type: Grant
    Filed: April 8, 2003
    Date of Patent: September 4, 2007
    Assignee: BASF Aktiengesellschaft
    Inventors: Martin Weber, Xaver Hopfenspirger, Reinhard Jakobi, Walter Heckmann
  • Patent number: 7238427
    Abstract: The present invention is in the field of polymer sheets for use in multiple layer glass panels, and more specifically, the present invention is in the field of polymer sheets comprising agents that improve fire resistance in the polymer sheets.
    Type: Grant
    Filed: November 2, 2004
    Date of Patent: July 3, 2007
    Assignee: Solutia Incorporated
    Inventor: Yinong Ma
  • Patent number: 7235604
    Abstract: The present invention relates to fire-retarded compositions comprising, by weight, the total being 100 parts: 50 to 75 parts of a blend of a polyamide (A) and a polyolefin (B), 25 to 50 parts of a blend comprising: 0.1 to 48.8 parts of a fire retardant, 0.1 to 30 parts of a phosphorus-containing plasticizer, 0.1 to 10 parts of a zeolite, the total of these three products being between 25 and 50. These compositions have a V0 or V1 classification according to the UL94-VB test when a fire test is carried out on test specimens 1.6 mm in thickness. They have many advantages, in particular the elongation at break measured according to ISO R 527-1B exceeds 100%. As regards the impact strength, they have a non-brittle behaviour in multiaxial impact at room temperature according to ISO 6603-2 (at a rate of 7.7 m/s). They retain at least 50% of their mechanical properties after ageing for seven days at 120° C. in hot air.
    Type: Grant
    Filed: June 24, 2003
    Date of Patent: June 26, 2007
    Assignee: Atofina
    Inventors: Philippe Blondel, Benoît Brule, Nicolas Frenois, Jean-Jacques Flat
  • Patent number: 7232854
    Abstract: Polycarbonate compositions containing a specific combination of additives achieve desirable flame retardance characteristics when used in thin wall polycarbonate articles. These compositions contain a polycarbonate/siloxane component, containing a polycarbonate siloxane copolymer, or a mixture of a polycarbonate siloxane copolymer and polycarbonate resin; a mineral filler; and a flame retardant. The composition contains at least 50% by weight of polycarbonate when the polycarbonate of the polycarbonate siloxane copolymer and any polycarbonate resin (linear or branched) are considered together; and the polycarbonate siloxane copolymer and the mineral filler are present in amounts effective to achieve a flex modulus of 29,000 kg/cm3 or greater, for example 30,000 kg/cm3 or greater, good flex-fold strength and good impact strength, for example a room temperature Notched Izod Impact Strength of 25 kgf-cm/cm or greater.
    Type: Grant
    Filed: February 3, 2004
    Date of Patent: June 19, 2007
    Assignee: General Electric Company
    Inventors: Shiping Ma, Thomas Ebeling, Shrish Rane
  • Patent number: 7220790
    Abstract: A thermoplastic molding composition having good flame resistance, melt flowability, resistance to chemicals and creep is disclosed. The composition contains A) at least one member having weight average molecular weight (Mw) of 25,000 to 35,000 g/mol, selected from the group consisting of aromatic polycarbonate and polyestercarbonate B) ABS graft polymer produced by the mass polymerization process and characterized in (i) having a butadiene content of 8 to 15% in relation to the weight of the graft polymer, (ii) having an acrylic acid derivative content of 15 to 30% in relation to the total weight of the acrylic derivative and styrene monomer, and (iii) containing styrene monomer-acrylic acid derivative copolymer having a weight average molecular weight of 5·104 to 14·104 g/mol. The composition may further contain one or more of halogen-free phosphorus compounds, fluorinated polyolefin, a polymer containing acrylate monomer and an inorganic material in particulate form.
    Type: Grant
    Filed: July 25, 2003
    Date of Patent: May 22, 2007
    Assignee: Bayer Aktiengesellschaft
    Inventors: Andreas Seidel, Thomas Eckel, Dieter Wittmann, Dirk Kurzidim
  • Patent number: 7208551
    Abstract: Polyaryleneetherketone triphenylphosphine oxide compositions incorporating cycloaliphatic units are provided which may be used as a polymeric binders in thermal control coatings for use in space environments. A method is also provided for synthesizing the polyaryleneetherketone triphenylphosphine oxide compositions. A method is also provided for synthesizing the monomeric compositions used to make the polyaryleneetherketone triphenylphosphine oxide compositions.
    Type: Grant
    Filed: August 18, 2004
    Date of Patent: April 24, 2007
    Assignee: University of Dayton
    Inventors: Thuy D. Dang, Matthew J. Dalton, Narayanan Venkatasubramanian, Joel A. Johnson, William A. Feld
  • Patent number: 7205346
    Abstract: A flame-retardant resin composition comprises a thermoplastic resin; a flame retardant comprising a phosphorus-containing compound (A), a aromatic resin (B), and at least one flame-retardant auxiliary (C) selected from a nitrogen-containing compound and a metal salt of an inorganic acid; and at least one stabilizer auxiliary (D) selected from a compound having a functional group reactive to an active hydrogen atom and a water-repellent compound. The phosphorus-containing compound may be a phosphoric ester. The aromatic resin may be a polyphenylene sulfide-series resin or a polyphenylene oxide-series resin. The nitrogen-containing compound is a salt of an amino group-containing triazine compound with an oxygen acid, a salt of an amino group-containing triazine compound with a hydroxyl group-containing triazine compound, a polyphosphoric acid amide, a cyclic urea compound, or others.
    Type: Grant
    Filed: November 28, 2002
    Date of Patent: April 17, 2007
    Assignee: Polyplastics Co., Ltd.
    Inventor: Hatsuhiko Harashina
  • Patent number: 7196127
    Abstract: A biodegradable polyesteramide and preparation method, having a formulation that contains (a) a diacid: 30%˜70% by weight (b) a diol: 10%˜50% by weight (c) an amide: 5%˜70% by weight (d) a diamine: 10%˜70% by weight (e) a branching agent: 0%˜10% by weight (f) a catalyst: an organic compound containing tin, 0 ppm˜50 ppm total proportion by weight (g) an antioxidant: an aromatic antioxidant, 0%˜5% by weight. A polycondensation reaction proceeds under nitrogen protection, and at a temperature of 140° C.˜270° C., and under this reaction temperature a vacuum polycondensation reaction proceeds for 4–6 hours, whereupon the biodegradable polyesteramide is acquired having a melting point of 125° C.˜130° C., a stretchability strength of 19˜28 Mpa, a fracture tensibility ratio of 80%˜300%. Under conditions where PH=12 and at a temperature of 80° C. complete degradation can be realized.
    Type: Grant
    Filed: September 22, 2003
    Date of Patent: March 27, 2007
    Inventor: Jen-Show Lai
  • Patent number: 7196126
    Abstract: A thermoplastic flame retardant resin composition according to the present invention comprises: (A) about 40˜95 parts by weight of a styrenic resin; (B) about 5˜60 parts by weight of a polyphenylene ether, (C) about 0.1˜40 parts by weight of a rubber modified polystyrene resin containing about 40˜65% by weight of a rubber and about 0.1˜8% by weight of acrylonitrile based on 100 parts by weight of the sum of (A) and (B); and (D) about 5 to 30 parts by weight of an aromatic phosphoric acid ester compound based on 100 parts by weight of the sum of (A) and (B).
    Type: Grant
    Filed: April 14, 2003
    Date of Patent: March 27, 2007
    Assignee: Cheil Industries Inc.
    Inventors: Sung Hee Ahn, Jae Ho Yang, Young Gil Jang, Su Hak Bae
  • Patent number: 7186767
    Abstract: A thermoplastic molding compositions having improved stress cracking resistance is disclosed. The composition contains A) 40 to 99.5 parts by weight of at least one branched resin selected from a first group consisting of aromatic polycarbonate and polyestercarbonate and B) 0.5 to 60 parts by weight of graft polymer containing a grafting shell and a grafting base, said grafting base being other than polybutadiene rubber. The structure of the branched resin contains at least one residue of a branching agent selected from among tri-functional phenolic monomer and tetra-functional phenolic monomer.
    Type: Grant
    Filed: December 1, 2003
    Date of Patent: March 6, 2007
    Assignee: Bayer Aktiengesellschaft
    Inventors: Andreas Seidel, Thomas Eckel, Holger Warth
  • Patent number: 7179519
    Abstract: Polyimide/metal laminates having a polyimide film and a metal layer laminated thereon, wherein the polyimide film contains titanium element and flexible print wiring boards with the use of the same are disclosed. The polyimide/metal laminates are excellent in adhesion under the ordinary conditions and, moreover, can sustain the adhesive strength at a high ratio after exposure to high temperature or high temperature and high humidity. Owing to these characteristics, these polyimide/metal laminates are appropriately usable in flexible print wiring boards, multi-layered print wiring boards, rigid flex wiring boards, tapes for TAP, semiconductor packages such as CFOs and multi chip modules (MCMs), magnetic recording films, coating films for aerospace materials and filmy resistance elements.
    Type: Grant
    Filed: May 16, 2003
    Date of Patent: February 20, 2007
    Assignee: Kaneka Corporation
    Inventors: Masaru Nishinaka, Kiyokazu Akahori
  • Patent number: 7151126
    Abstract: The present invention relates to a flame retardant thermoplastic resin composition that contains a polyphenylene ether resin and a phenol resin derivative, both of them having good char formability, regardless of the base resin. A flame retardant thermoplastic resin composition according to the present invention comprises (A) 100 parts by weight of a thermoplastic resin as a base resin, (B) about 0.1˜100 parts by weight of polyphenylene ether, (C) about 0.1˜100 parts by weight of a phenol resin derivative, and (D) about 0.1˜50 parts by weight of a phosphorous compound or a mixture of phosphorous compounds. The thermoplastic resin composition may contain up to 5.0 parts by weight of an anti-dripping agent based on 100 parts by weight of the base resin.
    Type: Grant
    Filed: December 26, 2001
    Date of Patent: December 19, 2006
    Assignee: Cheil Industries Inc.
    Inventors: Jae Ho Yang, Sang Hyun Hong, Gyu Chul Lee, Bok Nam Jang, Sung Hee Ahn
  • Patent number: 7148275
    Abstract: The present invention relates to a flame retardant thermoplastic resin composition that contains a phenol resin derivative having good char formability, regardless of the base resin. A flame retardant thermoplastic resin composition according to the present invention comprises (A) 100 parts by weight of a thermoplastic resin as a base resin, (B) about 0.1˜100 parts by weight of a phenol resin derivative, and (C) about 0.1˜50 parts by weight of a phosphorous compound or a mixture of phosphorous compounds.
    Type: Grant
    Filed: December 26, 2001
    Date of Patent: December 12, 2006
    Assignee: Cheil Industries Inc.
    Inventors: Jae Ho Yang, Sang Hyun Hong, Gyu Chul Lee, Young Gil Jang, Su Hak Bae
  • Patent number: 7135509
    Abstract: A flame-retardant polybutylene terephthalate resin composition wherein (A) 20-70% by weight of a polybutylene terephthalate resin or a mixture of a polybutylene terephthalate resin and a polyethylene terephthalate resin, (B) 1–20% by weight of a vinyl based resin, (C) 1–20% by weight of a phosphoric acid ester, (D) 1–30% by weight of a salt of a triazine based compound and cyanuric acid or isocyanuric acid, and (E) 0.1–5% by weight of an alkaline earth metal compound are compounded, and formed articles thereof have high degrees of flame retardancy and tracking resistance, and are unlikely to allow occurrence of metal pollution or deterioration in hydrolysis resistance due to a phosphoric acid ester, and therefore are suitable for machine component parts, electrical/electronic component parts, and automotive component parts.
    Type: Grant
    Filed: September 25, 2002
    Date of Patent: November 14, 2006
    Assignee: Toray Industries, Inc.
    Inventors: Hiromitsu Ishii, Takashi Nagao, Jiro Kumaki
  • Patent number: 7122251
    Abstract: The resin composition for a platable substrate of the present invention comprises 100 parts by weight of a resin composition (C) comprising 10 to 60% by weight of a graft copolymer (A) prepared by graft polymerization of a rubbery polymer (A1) and a monomer component (A2) containing an aromatic alkenyl compound monomer unit (a) and a vinyl cyanide compound monomer unit (b) and 40 to 90% by weight of the other polymer (B) (provided that the total amount of the components (A) and (B) is 100% by weight), and 5 to 40 parts by weight of a phosphate ester flame retardant (D) having a molecular weight of more than 326 or 2 to 40 parts by weight of a red phosphorus flame retardant (D?). The resin composition for a platable substrate of the present invention is excellent in production stability such as moldability, dimensional stability, mechanical strength and plating properties, and is also environmentally friendly.
    Type: Grant
    Filed: May 29, 2002
    Date of Patent: October 17, 2006
    Assignee: Mitsubishi Rayon Co., Ltd.
    Inventors: Kouichi Tezuka, Seizo Fujii
  • Patent number: 7115677
    Abstract: A flame-retardant resin composition comprises 10 to 300 parts by weight of a flame retardant (B) and 1 to 200 parts by weight of an inorganic filler (C) (a glass fiber and/or a glass flake), relative to 100 parts by weight of a base resin (A). The flame retardant (B) comprises a polyphenylene oxide-series resin and/or a polyphenylene sulfide-series resin (B1), a phosphoric ester (B2), and a nitrogen-containing cyclic compound (B3) (for example, a polyphosphate of an amino group-containing triazine compound). The inorganic filler (C) has been treated with a surface-treatment agent or sizing agent containing a novolak epoxy resin. Such a resin composition is useful for obtaining a shaped article which has been inhibited from dripping and to which flame retardancy is highly imparted.
    Type: Grant
    Filed: November 28, 2002
    Date of Patent: October 3, 2006
    Assignee: Polyplastics Co., Ltd.
    Inventors: Hatsuhiko Harashina, Shinya Yamada
  • Patent number: 7094819
    Abstract: A flame retardant polytrimethylene terephthalate resin composition, comprising: 30 to 99 parts by weight of (A) a polytrimethylene terephthalate resin, and 1 to 70 parts by weight of at least one flame retardant selected from the group consisting of (B-1) phosphorus-containing flame retardant and (B-2) nitrogen-containing flame retardant, is disclosed. The composition has superior mechanical characteristics, chemical resistance, electrical characteristics, weatherability, heat aging resistance and hydrolysis resistance, and has superior moldability, good appearance with less warpage deformation when molded, and furthermore has superior flame retardance and does not generate highly corrosive hydrogen halide gas upon combustion.
    Type: Grant
    Filed: August 7, 2002
    Date of Patent: August 22, 2006
    Assignee: Asahi Kasei Chemicals Corporation
    Inventors: Junko Kakegawa, Tomofumi Maekawa, Hideki Nakamura
  • Patent number: 7091267
    Abstract: Disclosed are resinous compositions with excellent balance of impact, heat, flow and environmental stress crack resistance, comprising (i) at least one aromatic polycarbonate, (ii) at least one low molecular weight hydrocarbon resin derived from petroleum C5–C9 feedstock and (iii) optionally a second thermoplastic resin which is not polycarbonate resin, (iv) optionally a rubber modified graft copolymer, and (v) optionally a polymeric or non-polymeric organic phosphorus species. Also disclosed is a method for the manufacture of the compositions and for the manufacture of articles thereof.
    Type: Grant
    Filed: March 18, 2003
    Date of Patent: August 15, 2006
    Assignee: General Electric Company
    Inventors: Robert W. Venderbosch, Sjef G. Berndsen, William A. Kernick, III
  • Patent number: 7084196
    Abstract: Polymeric substrates, for example polyolefins such as polypropylene, can be made flame retardant by the incorporation therein of a synergistic mixture of (i.) at least one compound selected from the group consisting of nitroxyl stabilizers, hydroxylamine stabilizers, nitrone stabilizers, substituted hydroxylamine stabilizers, amine oxide stabilizers, benzofuranone stabilizers phosphite and phosphonite stabilizers, quinone methide stabilizers and monoacrylate esters of 2,2?-alkylidenebisphenol stabilizers and (ii.) at least one compound selected from the group consisting of brominated flame retardants, phosphorus containing flame retardants and inorganic flame retardants such as ammonium polyphosphate or decabromodiphenyl oxide; wherein the amount of organic or inorganic flame retardant of component (ii.) required to achieve an acceptable level of flame retardancy is significantly reduced compared to that needed when component (i.) is not present.
    Type: Grant
    Filed: March 12, 2002
    Date of Patent: August 1, 2006
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Malisa V. Troutman, Ramanathan Ravichandran, Rangarajan Srinivsan, Roswell Easton King, Douglas Wayn Horsey
  • Patent number: 7067569
    Abstract: The invention relates to a synergistic mixture comprising a) at least one compound selected from the group consisting of the phosphites of the formula (I) to (V), of the phosphonites of the formulae (VI) to (IX) and (XV), of the di/oligophosphonites of the formulae (X) and (XI) and of the phosphinites of the formulae (XII) to (XIV), and b) at least one compound selected from the group consisting of the phosphanes of the formula (XVI), the di/oligophosphanes of the formulae (XVII) and (XVIII), and of the cyclophosphanes of the formula (XIX), and also to a process for stabilizing polymers with respect to thermooxidative degradation by addition and incorporation of a synergistic mixture of this type.
    Type: Grant
    Filed: July 13, 2001
    Date of Patent: June 27, 2006
    Assignee: Clariant Finance (BVI) Limited
    Inventor: Peter Staniek
  • Patent number: 7056973
    Abstract: A high flow polyphenylene ether resin composition comprises a blend of at least two polyphenylene ether resins, a first resin having an intrinsic viscosity of at least 0.3 dl/g, and a second resin having an intrinsic viscosity of less than 0.17 dl/g and preferably having a particle size of at least about 100 ?m. Fiber reinforced and flame retarded compositions exhibit high HDT values.
    Type: Grant
    Filed: April 9, 2003
    Date of Patent: June 6, 2006
    Assignee: General Electric
    Inventor: Nirajkumar Patel
  • Patent number: 7045555
    Abstract: A regenerated resin composition comprising (I) a molded article pulverized material (Component A) that satisfies conditions (1) that the molded article pulverized material is a pulverized material of a molded article having an aromatic polycarbonate resin content of 30 to 98% by weight, (2) that the pulverized material has a viscosity average molecular weight of 17,000 to 30,000, and (3) that the pulverized material has a wet heat retention ratio of at least 60%, and (II) an aromatic polycarbonate resin (Component B). According to the present invention, there is provided a regenerated resin composition that comprises a pulverized material from a molded article made of an aromatic polycarbonate resin and that is excellent in the property of retaining physical properties for a long period of time and excellent in mechanical strength.
    Type: Grant
    Filed: December 22, 2003
    Date of Patent: May 16, 2006
    Assignee: Teijin Chemicals Ltd.
    Inventor: Makoto Takagi
  • Patent number: 7030180
    Abstract: A polycarbonate composition containing inorganic material with an anisotropic particle geometry and with an iron content of less than about 100 ppm is disclosed. The composition is suitable for producing molded articles exhibiting improved mechanical properties both at ambient and low temperatures.
    Type: Grant
    Filed: January 22, 2002
    Date of Patent: April 18, 2006
    Assignee: Bayer Aktiengesellschaft
    Inventors: Andreas Seidel, Thomas Eckel, Holger Warth, Dieter Wittmann
  • Patent number: 7019057
    Abstract: A flame retardant, thermoplastic molding composition is disclosed. The composition contains A) at least one of aromatic polycarbonate and polyester carbonate, B) polyalkyl (alkyl)acrylate, C) a graft polymer the molecular structure of which is substantially free of units derived from styrene, butadiene and acrylonitrile, D) at least one organic phosphoric acid ester, E) an optional anti-drip agent, and F) optionally at least one polymer additive. The composition is characterized in its good property profile especially weld line strength, resistance to chemicals, elongation at break, thermal stability and melt flowability.
    Type: Grant
    Filed: February 2, 2004
    Date of Patent: March 28, 2006
    Assignee: Bayer Aktiengesellschaft
    Inventors: Andreas Seidel, Thomas Eckel
  • Patent number: 7005465
    Abstract: The present invention offers a resin composition for user as a covering material for wires and cables that excels in fire retardancy with non-halogen, chemical resistance and melting properties, and also excels in workability, heat resistance, impact resistance and flexibility. A resin composition for wires and cables covering material is obtained by blending polyphenylene ether resin with syndiotactic polystyrene polymer, atactic polystyrene resin and non-halogen fire retardant or blending polyphenylene ether resin with syndiotactic polystyrene polymer, atactic polystyrene resin, non-halogen fire retardant and thermoplastic elastomer in fixed ratios.
    Type: Grant
    Filed: August 1, 2003
    Date of Patent: February 28, 2006
    Assignee: General Electric
    Inventor: Sho Sato
  • Patent number: 6982295
    Abstract: Less branched C13 alcohols are used to provide plasticizer esters particularly suitable for high temperature applications such as wire and cable insulation.
    Type: Grant
    Filed: June 16, 2003
    Date of Patent: January 3, 2006
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Allen David Godwin, Jon Edmond Randolph Stanat
  • Patent number: 6974849
    Abstract: A molding composition exhibiting bleach resistance includes a polyoxymethylene matrix polymer, from about 0.5 to about 10 weight percent of a bleach stabilizer selected from alkali metal or alkaline earth element carbonates or phosphates and mixtures thereof dispersed in the matrix resin. A bleach co-stabilizer is selected from the group consisting of: (a) a poly(alkoxy) stabilizer; (b) a zinc oxide stabilizer; (c) a color stabilizer consisting of a mixture of calcium citrate and calcium propionate, wherein the calcium citrate is the predominant component of the color stabilizer mixture; or (d) mixtures of two or more of (a), (b) and (c). The compositions exhibit a bleach resistance index of at least 2.0.
    Type: Grant
    Filed: March 3, 2003
    Date of Patent: December 13, 2005
    Assignee: Ticona LLC
    Inventor: Vincent J. Notorgiacomo
  • Patent number: 6969735
    Abstract: Less branched C10 alcohols are used to provide plasticizer esters particularly suitable for high temperature applications such as wire and cable insulation.
    Type: Grant
    Filed: May 23, 2004
    Date of Patent: November 29, 2005
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventor: Allen David Godwin
  • Patent number: 6969736
    Abstract: Less branched C9 alcohols are used to provide plasticizer esters particularly suitable for high temperature applications such as wire and cable insulation.
    Type: Grant
    Filed: May 27, 2004
    Date of Patent: November 29, 2005
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Allen D. Godwin, Jon E. Stanat, Richard J. Saplis
  • Patent number: 6956073
    Abstract: A flame-retardant resin composition comprising (A)(1) a resin component containing an aromatic polycarbonate resin and a styrene-containing resin or (2) a resin component containing a polyphenylene ether resin and a polystyrene, and (B) a flame retardant that is a phosphoric ester of the following formula (I), wherein each of R1, R2, R3 and R4 is independently an aryl group having 6 to 12 carbon atoms, each of R5 and R6 is independently methyl or a hydrogen atom, each of R7 and R8 is methyl, m1 and m2 are 0 or integers of 1 or 2, each of a, b, c and d is independently 0 or 1, and n is 0 or an integer of 1 or 5.
    Type: Grant
    Filed: November 21, 2002
    Date of Patent: October 18, 2005
    Assignee: Teijin Chemicals, Ltd.
    Inventors: Makoto Takagi, Tetsuya Aibara
  • Patent number: 6939905
    Abstract: A molding composition characterized by its improved processability and flame resistance, suitable especially for extrusion is disclosed. The composition that contains polycarbonate, an impact modifier and a halogen-free phosphous-containing flameproofing agent features flame resistance of V-0 in the UL 94 V fire behavior test at wall thickness ?1.5 mm and a melt viscosity, measured at 260° C.
    Type: Grant
    Filed: February 21, 2001
    Date of Patent: September 6, 2005
    Assignee: Bayer Aktiengesellschaft
    Inventors: Andreas Seidel, Thomas Eckel, Bernd Keller, Dieter Wittmann
  • Patent number: 6936647
    Abstract: The present invention relates to novel crosslinked bead polymers having an average particle size of 1 to 1000 ?m containing specific, halogen-free phosphorus compounds including triphenyl phosphate as the halogen-free phosphorus compound, and to a process for the production of these bead polymers and to the use thereof as flame retardants in thermoplastics.
    Type: Grant
    Filed: February 26, 2001
    Date of Patent: August 30, 2005
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Podszun, Andreas Seidel, Thomas Eckel, Dieter Wittmann, Kamelia Karlou-Eyrisch
  • Patent number: 6921785
    Abstract: Disclosed are flame retardant resinous compositions comprising (i) at least one aromatic polycarbonate, (ii) at least one a rubber modified graft copolymer, (iii) at least one silyl borate ester, (iv) at least one organophosphorus compound, and (v) at least one fluoropolymer additive. The compositions exhibit improved surface properties in molded parts.
    Type: Grant
    Filed: August 16, 2002
    Date of Patent: July 26, 2005
    Assignee: General Electric Company
    Inventors: John Robert Campbell, Thomas Miebach
  • Patent number: 6906124
    Abstract: A translucent thermoplastic molding composition containing polycarbonate, phosphorous compound and a fluorinated polyolefin is disclosed. Characterized in its excellent flame proofing, optical properties and resistance to chemicals the composition is suitable for making articles that in the course of use come in contact with solvents lubricants and cleaning compositions.
    Type: Grant
    Filed: May 21, 2001
    Date of Patent: June 14, 2005
    Assignee: Bayer Aktiengesellschaft
    Inventors: Torsten Derr, Thomas Eckel, Michael Zobel, Dieter Wittmann, Andreas Seidel
  • Patent number: 6906123
    Abstract: A flameproof thermoplastic resin composition substantially free of phenolic resin, red phosphorous and silicone resin comprises (A) about 40-95 parts by weight of a rubber modified styrene-containing graft copolymer resin, (B) about 5-60 parts by weight of polyphenylene ether resin; (C) about 5-30 parts by weight of aromatic phosphoric acid ester per 100 part by weight of (A) and (B) wherein the styrene-containing copolymer chains in rubber modified styrene-containing resin (A) comprise (i) about 5-20% by weight having an acrylonitrile fractionation content of 0-9% by weight (ii) about 10-40% by weight having an acrylonitrile fractionation content of 9-20% by weight and (iii) about 40-80% by weight having an acrylonitrile fractionation content of not less than 20% by weight acrylonitrile and the sum of (i), (ii), and (iii) is 100% by weight of the total weight of styrene-containing copolymer chains in rubber modified styrene-containing resin (A).
    Type: Grant
    Filed: January 17, 2002
    Date of Patent: June 14, 2005
    Assignee: Cheil Industries Inc.
    Inventors: Sang-Hyun Hong, Yong-Hae Kweon, Bok-Nam Jang, Young-Kil Chang, Gyu-Cheol Lee
  • Patent number: 6893680
    Abstract: The invention relates to a coating composition demonstrating improved adhesion and method for improving adhesion of a coating composition to metal. The coating and method of the invention provide improved adhesion of a coating when coating is applied directly over metal substrates, especially untreated metal substrates such as galvanized steel, unsanded aluminum and unsanded cold-rolled steel.
    Type: Grant
    Filed: May 2, 2003
    Date of Patent: May 17, 2005
    Assignee: BASF Corporation
    Inventor: David L. Newton
  • Patent number: 6846866
    Abstract: The invention provides polyurethane containing a) a first additive comprising at least one mono-hindered hydroxyphenyl group and having a molecular weight of at least about 300 Daltons; b) a second additive selected from the group consisting of i) condensation polymers of p-cresol and divinyl benzene and ii) compounds comprising at least one unsymmetrically di-hindered hydroxyphenyl group and having a molecular weight of at least about 300 Daltons; and c) an inorganic chlorine-resist additive. The polyurethane of the invention exhibits improved resistance to degradation by chlorine and by atmospheric fumes.
    Type: Grant
    Filed: June 3, 2002
    Date of Patent: January 25, 2005
    Assignee: Invista North America S.a.r.L.
    Inventors: Nathan E. Houser, Gordon W. Selling
  • Patent number: 6838518
    Abstract: A thermoplastic molding composition comprising A) at least one member selected from the group consisting of polycarbonate and polyestercarbonate and B) a phosphorus compound is disclosed. The composition wherein A) is a mixture of (A.1) 99.9 to 40 wt. % of branched member, and (A.2) 0.1 to 60 wt. % of linear member, is characterized by high melt stability and improved mechanical properties, particularly improved stress crack resistance under the effect of chemicals and a higher notched impact resistance. The composition is especially suitable for producing profiles, films or sheets of any type in an extrusion process.
    Type: Grant
    Filed: December 16, 2002
    Date of Patent: January 4, 2005
    Assignee: Bayer Aktiengesellschaft
    Inventors: Andreas Seidel, Klaus Kircher, Thomas Eckel, Dieter Wittmann
  • Patent number: 6838503
    Abstract: A resin composition useful for wire and cable covering material is formed by compounding a phosphate ester retardant, boron phosphate, and zinc borate hydrate with a polyphenylene ether group resin or a combination of a polyphenylene ether group resin and an aromatic vinyl group resin, in a specific ratio.
    Type: Grant
    Filed: June 28, 2002
    Date of Patent: January 4, 2005
    Assignee: General Electric Compa
    Inventors: Ming Yin, Takuro Kitamura, Atsuo Oshiro, Kenichi Ishiwa, Kazunari Kosaka, Hiroshi Kubo
  • Patent number: 6838497
    Abstract: The present invention relates to a flame retardant thermoplastic resin composition that comprises (A) about 40 to 95 parts by weight of a rubber modified styrene-containing resin, (B) about 5 to 60 parts by weight of polyphenylene ether resin, (C) about 2 to 30 parts by weight of a styrene-containing copolymer resin having about 5 to 18 % by weight of acrylonitrile in the copolymer per 100 parts by weight of the sum of (A) and (B), (D) about 0.5 to 20 parts by weight of an oxaphospholane compound per 100 parts by weight of the sum of (A) and (B), and (E) about 0 to 30 parts by weight of a phosphoric acid ester compound per 100 parts by weight of the sum of (A) and (B).
    Type: Grant
    Filed: August 29, 2002
    Date of Patent: January 4, 2005
    Assignee: Cheil Industries Inc.
    Inventors: Sang-Hyun Hong, Bok-Nam Jang, Young-Kil Chang, Sung-Hee Ahn, Jae-Ho Yang
  • Patent number: 6822026
    Abstract: The present invention relates to a flame-retardant polypropylene resin composition comprising (A) polypropylene resin 20-60% by weight, (B) polyphenylene ether-based resin 1-50% by weight, (C) hydrogenated block copolymer of a vinylaromatic compound and conjugated diene, which mainly is based on vinylaromatic compound, 0.1-15% by weight, (D) aromatic phosphoric ester in phenol strucure 1-20% by weight, (E) polyammonium phosphate 1-20% by weight, and (F) pentaerythritol-based flame retardant auxiliary agent 0.1-13% by weight. The weight ratio of the aromatic phosphoric ester in phenol structure to the polyammonium phosphate is preferably 0.2-5.0. The composition has advanced flame-retardant and heat-resistant property, and processing property.
    Type: Grant
    Filed: July 2, 2003
    Date of Patent: November 23, 2004
    Assignee: Sansung General Chemicals Co.
    Inventors: In Sik Jung, Jong Soo Hong, Man Seang Her, Won Beum Jung
  • Patent number: 6822025
    Abstract: A flame retardant thermoplastic resin composition comprises a thermoplastic resin comprising a polyphenylene ether resin, a high impact polystyrene resin or an acrylontrile-butadiene-styrene resin; an organo phosphate compound in an amount less than or equal to about 20 parts by weight for every 100 parts by weight of the thermoplastic resin; and a polyhydric alcohol compound in an amount of about 0.5 to about 5.0 parts for every 100 parts by weight of the thermoplastic resin. A method for the manufacture of the thermoplastic resin composition is also disclosed. The thermoplastic resin composition exhibits high flow characteristics and improved impact strength while providing effective flame retardance.
    Type: Grant
    Filed: November 27, 2002
    Date of Patent: November 23, 2004
    Assignee: General Electric Company
    Inventors: Chandra S. Bajgur, Sumi dummyname, Gaurav Mediratta, Radhakrishna Arakali
  • Patent number: 6818690
    Abstract: A propylene-ethylene block copolymer composition having sufficient stiffness and mechanical strength required for the automobile exterior arts can be produced at low cost since no additional steps for blending other rubber components are required. The composition contains methylenebis(2,4-di-t-butylphenol) acid sodium phosphate which is blended with the propylene-ethylene block copolymer in an amount of 300 to 2,000 ppm and has (a) a melt flow rate of 10 to 18 g/10 min when measured at 230° C. under a load of 2.16 kg (21.2N); (b) an ordinary temperature xylene insoluble having a stereoregularity index fraction of 98.9% or higher when measured by 13C-NMR; and (c) an ordinary temperature xylene soluble having a content of 22 to 28% by weight has a single component with respect to a relaxation time T1 measured by pulse NMR and satisfies the following formula (I): y≦0.0014x3−0.0897x2−1.0593x+231.
    Type: Grant
    Filed: November 30, 2000
    Date of Patent: November 16, 2004
    Assignees: Idemitsu Petrochemical Co., Ltd., Honda Giken Kogyo Kabushiki Kaisha
    Inventors: Yutaka Kobayashi, Kenji Tanaka, Yoshihisa Saeki
  • Patent number: RE39746
    Abstract: The invention relates to phosphoric esters of the general formula I where X is 1 or 2; n is from 2 to 18; m and o are each from 2 to 100; k is from 2 to 4; R? is H or a linear or branched alkyl radical; and R? is an alkyl, alkaryl, alkenyl, or sulfopropyl radical, and to there use as dispersants for pigments and fillers in aqueous or organic media.
    Type: Grant
    Filed: May 25, 2004
    Date of Patent: July 31, 2007
    Assignee: Goldschmidt GmbH
    Inventors: Tammo Boinowitz, Eberhard Esselborn, Arno Knebelkamp, Christian Psiorz, Stefan Silber, Stefan Stadtmüller, Ellen Wallhorn