Spiro Ring Patents (Class 524/120)
  • Patent number: 8262945
    Abstract: Photochromic compositions are disclosed comprising a polymeric material, a photochromic dye, a hydroxyphenyl triazine UV absorber and, optionally, a further light stabilizer selected from the sterically hindered amines. These systems provide a reversible photochromic effect and show improved light stabilization and color fastness.
    Type: Grant
    Filed: July 24, 2009
    Date of Patent: September 11, 2012
    Assignee: BASF SE
    Inventors: Mara Destro, Dario Lazzari, Dirk Simon, Manuele Vitali
  • Patent number: 8222330
    Abstract: A polycarbonate resin composition comprises: about 30 to about 99% by weight of a polycarbonate resin (A); and about 1 to about 70% by weight of a rubber modified aromatic vinyl based copolymer resin (B); and about 0.1 to about 40 parts by weight of a phosphorous compound (C) including a phosphate compound (C1) and a phosphonate compound (C2), per 100 parts by weight of a base resin including (A) and (B). The polycarbonate resin composition can have excellent flame retardancy and improved heat resistance by using a combination of at least two different phosphorous compounds.
    Type: Grant
    Filed: December 15, 2010
    Date of Patent: July 17, 2012
    Assignee: Cheil Industries Inc.
    Inventors: Seon Ae Lee, Im Hyuck Bae, Beom Jun Joo
  • Publication number: 20120172503
    Abstract: The invention pertains to an amorphous solid modification of bis(2,4-dicumylphenyl)pentaerythritol diphosphite, to a process for preparing said modification and the use thereof for stabilizing organic materials against oxidative, thermal or light-induced degradation.
    Type: Application
    Filed: March 12, 2012
    Publication date: July 5, 2012
    Inventor: DANIEL THIBAUT
  • Publication number: 20120115996
    Abstract: The invention relates to thermoplastic polyamide molding materials having: (A) 10 to 99% by weight of at least one thermoplastic polyamide, (B) 1 to 40% by weight of a flame-protecting material of the formula (I), where A1 and A2 are independently, for example, a straight-chain or branched alkyl group having 1 to 4 carbon atoms, and (C) 0 to 70% by weight of further additives. The invention further relates to processes for producing such thermoplastic polyamide molding materials, and to the use of the molding materials.
    Type: Application
    Filed: June 15, 2010
    Publication date: May 10, 2012
    Applicant: THOR GMBH
    Inventor: Volker Butz
  • Publication number: 20120088867
    Abstract: The invention relates to antistatic polymer compositions comprising a polymer substrate, a polyalkyleneethoxylate with a specific molecular weight and a salt. Further aspects are a process for preparing an antistatic polymer and the use of such a polyalkyleneethoxylate as antistatic agent in polymers, preferably together with a salt.
    Type: Application
    Filed: June 11, 2010
    Publication date: April 12, 2012
    Applicant: BASF SE
    Inventor: Fabien Jean Brand
  • Publication number: 20120077910
    Abstract: It is a purpose of the present invention to provide a flame retardant resin composition having a high level of flame retardancy and excellent physical properties and a molded article thereof. The flame retardant resin composition comprises: (A) 100 parts by weight of a resin component (component A) containing polylactic acid (component A-1); (B) 10 to 50 parts by weight of an organic phosphorus compound represented by the following formula (1) (component B): (in the above formula, the phenyl group may have a substituent); (C) 5 to 30 parts by weight of a hydrogenated styrene-based thermoplastic elastomer (component C); and (D) 1 to 10 parts by weight of talc (component D).
    Type: Application
    Filed: May 20, 2010
    Publication date: March 29, 2012
    Inventors: Katsuhiro Yamanaka, Fumitaka Kondo
  • Patent number: 8133946
    Abstract: A non-halogen flameproof polycarbonate resin composition of the present invention comprises (A) about 30 to about 100% by weight of a polycarbonate resin, (B) about 0 to about 70% by weight of a rubber modified aromatic vinyl resin, and (C) about 0.5 to about 30 parts by weight of a phosphorus compound represented by the following Chemical Formula (I) or a combination thereof, based on about 100 parts by weight of the base resin including (A) and (B). The present invention can provide a polycarbonate resin composition which can have excellent flame retardancy and which can be environmentally friendly. wherein R1 and R2 are each independently C1 to C10 alkyl, C5 to C7 cycloalkyl or phenyl.
    Type: Grant
    Filed: December 9, 2010
    Date of Patent: March 13, 2012
    Assignee: Cheil Industries Inc.
    Inventors: Min Soo Lee, Im Hyuck Bae, Beom Jun Joo
  • Publication number: 20120000538
    Abstract: The present invention relates to a polyolefin composition with increased resistance to degradation caused by ClO2-containing water and to a pipe made of such a polyolefin composition. The present invention further relates to the use of the polyolefin composition for the production of a pipe and to the use of a combination of particular types of antioxidants for increasing the resistance of the polyolefin composition against degradation caused by contact with ClO2-containing water.
    Type: Application
    Filed: December 17, 2009
    Publication date: January 5, 2012
    Applicant: BOREALIS AG
    Inventors: Per-Ola Hagstrand, Martin Anker, Tanja Piel, Svein Jamtvedt
  • Publication number: 20110301266
    Abstract: A flame retardant resin composition which has high flame retardancy, excellent heat resistance and physical properties and is obtained from a plant-derived raw material and a molded article thereof. The flame retardant resin composition comprises: (A) 100 parts by weight of a polylactic acid and/or a lactic acid copolymer (component A); (B) 1 to 100 parts by weight of a styrene-based resin and/or a polycarbonate resin (component B); and (C) 1 to 100 parts by weight of an organic phosphorus compound represented by the following formula (1) (component C). (wherein X1 and X2 are the same or different and each an aromatic substituted alkyl group represented by the following formula (2)) ?AL??Ar)n??(2) (wherein AL is a branched or linear aliphatic hydrocarbon group having 1 to 5 carbon atoms, Ar is a phenyl group, naphthyl group or anthryl group all of which may have a substituent. n is an integer of 1 to 3, and Ar can be bonded to any carbon atom contained in AL.
    Type: Application
    Filed: February 12, 2010
    Publication date: December 8, 2011
    Inventors: Katsuhiro Yamanaka, Fumitaka Kondo
  • Patent number: 8067490
    Abstract: A composition and method for increasing the hydrolytic stability of a stabilizer composition comprising a first phosphite, a second phosphite, an optional phosphonite and an acid scavenger.
    Type: Grant
    Filed: September 24, 2008
    Date of Patent: November 29, 2011
    Assignee: Chemtura Corporation
    Inventors: Hayder Zahalka, Karl Diefenbach
  • Publication number: 20110257312
    Abstract: The present invention relates to the use of compound (A) and compound (B) in a polyolefin composition for increasing the lifetime of a pipe made of said polyolefin composition which pipe is in permanent contact with chlorinated water, wherein compound (A) has the following formula (I): wherein R6, R7 and R8 independently are non-substituted or substituted aliphatic or aromatic hydrocarbyl radicals which may comprise OH-groups, —X1, X2, and X3 independently are H or OH, with the proviso that at least one of X X1, X2, and X3 is OH, and—the entire molecule does not comprise an ester group, wherein compound (B) has the following formula (II): wherein R and R? each is the same or different residue and comprising at least 6 carbon atoms.
    Type: Application
    Filed: December 17, 2009
    Publication date: October 20, 2011
    Applicant: BOREALIS AG
    Inventors: Martin Anker, Svein Jamtvedt
  • Patent number: 8003721
    Abstract: Polyglycolic acid and polylactic acid having a weight-average molecular weight of at most 50,000 are melt-kneaded in the presence of a thermal stabilizer to obtain a polyglycolic acid-based aliphatic polyester composition. The aliphatic polyester composition alleviates the too fast crystallizability of polyglycolic acid which has been problematic in forming or molding of polyglycolic acid alone or in combination with another thermoplastic resin, thus showing a crystallization speed which has been lowered and can be controlled in a wide range.
    Type: Grant
    Filed: June 28, 2007
    Date of Patent: August 23, 2011
    Assignee: Kureha Corporation
    Inventors: Yoshinori Suzuki, Kazuyuki Yamane, Hiroyuki Sato, Takahiro Watanabe
  • Publication number: 20110160366
    Abstract: The present invention provides a phosphonate based compound represented by the following Chemical Formula 1 and a flameproof thermoplastic resin composition comprising (A) a thermoplastic resin and (B) a phosphonate based compound represented by the following Chemical Formula 1. The flameproof thermoplastic resin composition can exhibit good flame retardancy and impact strength. Further, the composition does not include a halogenated flame retardant and thus can provide environmental and safety benefits. wherein R1 and R2 are each independently C1-C4 alkylene and X is a cyano group.
    Type: Application
    Filed: December 10, 2010
    Publication date: June 30, 2011
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Woo Joong KIM, Seung Shik SHIN, Jin Hwan CHOI
  • Publication number: 20110160367
    Abstract: A polycarbonate resin composition comprises: about 30 to about 99% by weight of a polycarbonate resin (A); and about 1 to about 70% by weight of a rubber modified aromatic vinyl based copolymer resin (B); and about 0.1 to about 40 parts by weight of a phosphorous compound (C) including a phosphate compound (C1) and a phosphonate compound (C2), per 100 parts by weight of a base resin including (A) and (B). The polycarbonate resin composition can have excellent flame retardancy and improved heat resistance by using a combination of at least two different phosphorous compounds.
    Type: Application
    Filed: December 15, 2010
    Publication date: June 30, 2011
    Applicant: Cheil Industries Inc.
    Inventors: Seon Ae LEE, Im Hyuck BAE, Beom Jun JOO
  • Publication number: 20110152415
    Abstract: A non-halogen flameproof polycarbonate resin composition of the present invention comprises (A) about 30 to about 100% by weight of a polycarbonate resin, (B) about 0 to about 70% by weight of a rubber modified aromatic vinyl resin, and (C) about 0.5 to about 30 parts by weight of a phosphorus compound represented by the following Chemical Formula (I) or a combination thereof, based on about 100 parts by weight of the base resin including (A) and (B). The present invention can provide a polycarbonate resin composition which can have excellent flame retardancy and which can be environmentally friendly. wherein R1 and R2 are each independently C1 to C10 alkyl, C5 to C7 cycloalkyl or phenyl.
    Type: Application
    Filed: December 9, 2010
    Publication date: June 23, 2011
    Applicant: CHEIL INDUSTRIES INC.
    Inventors: Min Soo LEE, Im Hyuck BAE, Beom Jun JOO
  • Publication number: 20110130492
    Abstract: The present invention pertains to compositions comprising (a) a polyether polyol, a polyester polyol or a polyurethane, (b) a UV-absorber of formula (I) and/or a hindered amine liaht stabilizer of formula (II) wherein R1 and R2 are each independently C1-C4alkyl or C1-C4alkyoxy, and (c) at least one further UV-absorber and/or hindered amine light stabilizer if only one of the components (I) and (II) is present with the proviso that component (c) is not a compound of formula (A)-(D) as defined in claim 1.
    Type: Application
    Filed: February 10, 2011
    Publication date: June 2, 2011
    Inventors: DIETMAR MÄDER, Pierre Rota-Graziosi
  • Publication number: 20110130497
    Abstract: Cyclic phosphazene compounds that are substituted with phosphorus-containing groups are effective flame retardants for organic polymers.
    Type: Application
    Filed: November 2, 2007
    Publication date: June 2, 2011
    Inventors: Kenny C. Su, Jinder Jow, Journey L. Zhu, Xiaozhen Tang, Polaris Bai, Steven D. Liu, Shih-Yaw Lai
  • Publication number: 20110124781
    Abstract: A polycarbonate resin composition is provided. The composition comprises (A) 50 to 90% by weight of a polycarbonate resin, (B) 5 to 30% by weight of a polymethyl methacrylate resin, (C) 5 to 20% by weight of a phosphate compound, (D) 0.01 to 2% by weight of a metal sulfonate as an organic salt, and (E) 0.05 to 2% by weight of a fluorinated olefin. The composition is highly flame retardant and scratch resistant.
    Type: Application
    Filed: December 28, 2008
    Publication date: May 26, 2011
    Applicant: LG CHEM, LTD.
    Inventors: Seon Mo Son, Kyung Mo Park, Sung Tae Ahn, Yong Kim
  • Patent number: 7935763
    Abstract: In one embodiment is a thermoplastic vulcanizates having improved extrusion properties formed from a composition that includes from 20% to about 80% by weight of an elastomer, from about 80% to about 20% by weight of a thermoplastic, from about 0.05 to about 12 phr of a multifunctional methacrylate monomer peroxide curing coagent; and from about 0.02 to about 6 phr of a phosphorous containing stabilizer. The resultant thermoplastic vulcanizate may be cured with a peroxide curing agent and shows improved die lip build up compared to conventionally prepared thermoplastic vulcanizates. Methods of forming thermoplastic vulcanizates having improved die lip build up are also taught.
    Type: Grant
    Filed: October 11, 2006
    Date of Patent: May 3, 2011
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Oansuk Chung, Trazollah Ouhadi, Eugene R. Uhl
  • Publication number: 20110092623
    Abstract: A flame retardant resin composition which has high flame retardancy and excellent physical properties and comprises a resin obtained from a plant-derived raw material and a molded article thereof. The flame retardant resin composition comprises: (A) 100 parts by weight of a resin component (component A) which contains at least 50 wt % of a resin (component A-1) obtained from a plant-derived raw material; and (B) 1 to 100 parts by weight of an organic phosphorus compound (component B) represented by the following formula (1).
    Type: Application
    Filed: May 26, 2009
    Publication date: April 21, 2011
    Inventors: Katsuhiro Yamanaka, Fumitaka Kondo, Kiyotsuna Toyohara
  • Publication number: 20110054090
    Abstract: An object of the present invention is to provide a polyester film which is reduced in yellow discoloration, has a high quality and can be suitably used for optical filters (for example AR films, NIR films and EMI films), films for liquid crystal applications (for example diffraction films and prism films), materials for electric appliance, films for packaging, materials for graphic appliance (photograph materials), plate making films, OHP films or the like. The aspect of the present invention is a polyester film comprising at least one polyester layer comprising reclaimed resin of polyester film having a coating layer, which polyester layer comprising a phosphorus-based antioxidant having a starting temperature of loss on heat of not lower than 290° C.
    Type: Application
    Filed: February 26, 2009
    Publication date: March 3, 2011
    Inventor: Masato Fujita
  • Publication number: 20100256266
    Abstract: Stabilizer compositions comprise phosphate of the formula I or II, a phosphite of the formula III, and a phenol of the formula IV as these formulas are defined herein. The stabilizer compositions are useful for stabilizing polymers. Methods for making stabilized polymer compositions involve intermixing the stabilizer compositions and the polymers, e.g., by extruding, pelletizing, and/or molding.
    Type: Application
    Filed: June 15, 2010
    Publication date: October 7, 2010
    Applicant: CYTEC TECHNOLOGY CORP.
    Inventors: John Mathew ZENNER, Brent Sanders
  • Patent number: 7786197
    Abstract: A flame retardant resin composition consisting essentially of: (A) 100 parts by weight of the total of resin components (components A) which include at least 60 wt % of an aromatic polyester resin; (B) an organic phosphorus compound (component B-1) represented by the following general formula (1) and having an acid value of 0.7 mgKOH/g or less or an organic phosphorus compound (component B-2) represented by the following general formula (2); (C) 0 to 50 parts by weight of a flame retardancy improving resin (component C); and (D) 0 to 200 parts by weight of a filler (component D), and a molded article thereof. Wherein, when the organic phosphorus compound is the component B-1, the amount of the component B-1 is 1 to 100 parts by weight and when the organic phosphorus compound is the component B-2, the component B-2 is used in combination with a biscumyl compound (component B-3), the amount of the component B-2 is 5 to 30 parts by weight, and the amount of the component B-3 is 0.01 to 5 parts by weight.
    Type: Grant
    Filed: June 15, 2005
    Date of Patent: August 31, 2010
    Assignee: Teijin Chemicals, Ltd.
    Inventors: Katsuhiro Yamanaka, Yutaka Taketani
  • Publication number: 20100204375
    Abstract: The invention concerns to a composition comprising: at least one fluorinated polymer (A), at least one interfacing agent (B), and at least one stabilizer (C) of formula (I) wherein Ar1 and Ar2 represent an aryl group. The composition is used as an agent for extruding a thermoplastic polyolefin or resin. The invention also concerns an extruding method consisting in: (i) contacting in the solid phase a composition as defined above with a thermoplastic polyolefin or a thermoplastic resin; (ii) then extruding the mixture obtained in (i) in the form of a film, a tube, a profiled section or a hollow body.
    Type: Application
    Filed: March 20, 2007
    Publication date: August 12, 2010
    Applicant: Arkema France
    Inventors: Anthony Bonnet, Johann Laffargue, Karine Triballier, Francois Beaume
  • Publication number: 20100184891
    Abstract: A low melt viscosity polyglycolic acid having a melt viscosity of at most 100 Pa·s as measured at a temperature higher by 10° C. than the melting point of the polyglycolic acid and a shear rate of 122 sec?1, a temperature at 3%-weight loss on heating of at least 280° C. and a water content of at most 500 ppm, and being in a solid state at a temperature of 20±15° C., and a production process of the low melt viscosity polyglycolic acid including a water vapor absorption step and a heat treatment step for a high melt viscosity polyglycolic acid being in a solid state.
    Type: Application
    Filed: September 8, 2008
    Publication date: July 22, 2010
    Applicant: Kureha Corporation
    Inventors: Fumio Akutsu, Kazuyuki Yamane, Nanako Kuruhara
  • Publication number: 20100143631
    Abstract: The present invention relates to a composition comprising: a) a polyolefin (A); b) a compound (B) according to formula (I), wherein R and R? each is the same or different residue and comprising at least 6 C-atoms; c) a phenolic compound (C), having the formula (II) wherein R is an non-substituted or substituted aliphatic or aromatic hydrocarbyl radical which may comprise heteroatoms, or R is an heteroatom; X is H, OH, and/or R?; whereby R? is a hydrocarbyl radical or hydrogen, and n is 1 to 4; and d) optionally, an UV-light stabilizer (D), wherein for the composition the total amount of migrated compounds (B), (C) and, if present, (D), as well as their decomposition products is equal to or less than 1.8 microgram per liter with a ratio S/V dm?1 of 11.70 to 12.30, to the use of said composition for the production of a pipe and to a pipe comprising said composition.
    Type: Application
    Filed: September 28, 2007
    Publication date: June 10, 2010
    Applicant: BOREALIS TECHNOLOGY OY
    Inventors: Martin Anker, Svein Jamtvedt
  • Publication number: 20100076129
    Abstract: A method is disclosed for increasing the hydrolytic stability of a stabilizer selected from the group consisting of (A) a first phosphite of the structure: and (B) a first phosphonite of the structure: wherein R1, R2, R3, R4, R5, R6, R7, R8, R9, and R10 are independently selected from the group consisting of hydrogen and alkyl, provided that at least one of R1, R2, R3, R4, R5, R6, R7, R8, R9, and R10 is alkyl, and n is 2; wherein said method comprises blending said stabilizer with (a) from about 1 to about 25 weight percent, based on the total weight of the resulting blend, of a second phosphite of the structure wherein R11, R12, R13, R14, and R15 are independently selected from the group consisting of hydrogen and alkyl, provided that at least one of R11, R12, R13, R14, and R15 is alkyl, and R16 and R17 are independently selected alkyl groups; and (b) from about 1 to about 10 weight percent, based on the total weight of the resulting blend, of an acid scavenger.
    Type: Application
    Filed: September 24, 2008
    Publication date: March 25, 2010
    Inventors: Hayder Zahalka, Karl Diefenbach
  • Publication number: 20100076130
    Abstract: An object of the present invention is to provide a polycarbonate resin composition which has a high content of biogenic matter and is excellent in heat resistance, heat stability, moldability, hue and transparency. The present invention related to a resin composition comprising 0.0005 to 0.5 part by weight of at least one heat stabilizer (component S) selected from the group consisting of phosphorus-based heat stabilizers (PS) and hindered phenol-based heat stabilizers (HS) based on 100 parts by weight of a polycarbonate resin (component A) which contains a recurring unit represented by the following formula (1) as the main constituent, and a molded article thereof.
    Type: Application
    Filed: April 23, 2008
    Publication date: March 25, 2010
    Inventors: Toshiyuki Miyake, Masami Kinoshita, Mizuho Saito, Katsuhiko Hironaka, Eiichi Kitazono, Akimichi Oda
  • Patent number: 7666932
    Abstract: Disclosed are new compositions consisting of polyphosphonates and specific additive compositions that exhibit superior resistance to degradation due to exposure to air, high temperature and air, moisture or combinations thereof. Also disclosed are polymer mixtures or blends comprising these polyphosphonates/additive compositions and commodity and engineering plastics and articles produced therefrom. Further disclosed are articles of manufacture produced from these materials, such as fibers, films, coated substrates, moldings, foams, fiber-reinforced articles, or any combination thereof.
    Type: Grant
    Filed: October 16, 2006
    Date of Patent: February 23, 2010
    Assignee: FRX Polymers, Inc.
    Inventors: Dieter Freitag, Pin Go, Gad Stahl
  • Publication number: 20090280310
    Abstract: A melt-extrusion film formed by melt-extruding a resin composition containing (A) a specific amorphous polyolefin typified by an ethylene/norbornene copolymer and (B) a specific phosphite ester or aliphatic ester, wherein the number of gels having a size of 20 ?m or larger and existing in the film is 100 pieces/g or less.
    Type: Application
    Filed: September 29, 2006
    Publication date: November 12, 2009
    Inventors: Hideaki Nitta, Masahiro Murakami, Hironobu Katoh, Kinji Hasegawa
  • Patent number: 7569628
    Abstract: The present invention relates to a styrenic thermoplastic resin composition, and more particularly to a styrenic thermoplastic resin composition comprising a non-halogen flame-retardant having superior flame-retarding properties and impact strength. The present invention provides a flame-retarding styrenic thermoplastic resin composition comprising a) 100 weight parts of a base resin comprising i) 10 to 50 weight parts of a rubber-modified styrene-containing graft copolymer, ii) 5 to 20 weight parts of phenol novolac resin, and iii) 20 to 70 weight parts of a styrene-containing copolymer; and b) 5 to 20 weight parts of an aromatic phosphate. In addition, the a) base resin may further comprise iv) 10 to 40 weight parts of a thermoplastic polyurethane resin.
    Type: Grant
    Filed: June 25, 2007
    Date of Patent: August 4, 2009
    Assignee: LG Chem, Ltd.
    Inventors: Sung-Ho Lee, Chan-Hong Lee, Yong-Yeon Hwang, Ki-Young Nam, Tae-Hak Kim
  • Publication number: 20090149581
    Abstract: Stabilizer compositions comprise phosphate of the formula (I) or (II), a phosphite of the formula (III), and a phenol of the formula (IV) as these formulas are defined herein. The stabilizer compositions are useful for stabilizing polymers. Methods for making stabilized polymer compositions involve intermixing the stabilizer compositions and the polymers, e.g., by extruding, pelletizing, and/or molding.
    Type: Application
    Filed: May 10, 2007
    Publication date: June 11, 2009
    Applicant: Cytec Technology Corp.
    Inventors: John Mathew Zenner, Brent Sanders
  • Publication number: 20090054566
    Abstract: The invention pertains to an amorphous solid modification of bis(2,4-dicumylphenyl)pentaerythritol diphosphite, to a process for preparing said modification and the use thereof for stabilizing organic materials against oxidative, thermal or light-induced degradation.
    Type: Application
    Filed: September 9, 2008
    Publication date: February 26, 2009
    Inventor: Daniel Thibaut
  • Publication number: 20080269383
    Abstract: Organic polymer compositions can be made flame-retardant by addition of selected organic phosphate and other components, such as known flame-retardants or conventional additives for further improvements, e.g. in name retardancy or light stability.
    Type: Application
    Filed: May 18, 2005
    Publication date: October 30, 2008
    Applicant: CIBA SPECIALTY CEMICALS HOLDING INC.
    Inventors: Jean-Roch Pauquet, Grant Leslie, Natacha Berthelon, Daniel Muller
  • Patent number: 7425590
    Abstract: Polymer compositions comprising: (A) at least one polyester (A) comprising: (1) diacid residues comprising about 70 to 100 mole percent phthalic acid residues; and 0 to about 30 mole percent of modifying dicarboxylic acid residues, wherein the total mole percent of diacid residues is equal to 100 mole percent; and (2) diol residues comprising about 0 to 45 mole percent 1,4-cyclohexanedimethanol residues, and 100 to about 55 mole percent of other alkylene glycol residues, wherein the total mole percent of diol residues is equal to 100 mole percent; and (B) a miscible blend of: (1) at least one polycarbonate (B) of bisphenol A; (2) at least one polyester (C) consisting essentially of 1,4-cyclohexanedicarboxylic acid residues and at least one glycol selected from 70 to 100 mole percent of residues of 1,4-cyclohexanedimethanol residues and 0 to 30 mole percent of residues of polytetramethylene glycol.
    Type: Grant
    Filed: July 12, 2005
    Date of Patent: September 16, 2008
    Assignee: Eastman Chemical Company
    Inventor: Wesley Raymond Hale
  • Patent number: 7342060
    Abstract: A method is disclosed for the production of pentaerythritol diphosphites of high spiro isomer content. The pentaerythritol diphosphites are produced via sequential transesterification of pentaerythritol with a monophosphite followed by a substituted phenol or other alcohol, wherein the transesterification reactions are carried out under controlled conditions of temperature and pressure. The unique reaction conditions result in intermediate and final pentaerythritol diphosphites of high spiro isomer content and high total yield of the diphosphites.
    Type: Grant
    Filed: December 11, 2003
    Date of Patent: March 11, 2008
    Assignee: Dover Chemical Corporation
    Inventor: Carroll W. Larke
  • Patent number: 7323119
    Abstract: The present invention relates to the color stabilization of hydroquinone hydroxyethyl ethers by phosphite compounds containing the bis-cyclic structure of spiro phosphites, both rings being attached to the same tertiary carbon atom in the phosphite molecule.
    Type: Grant
    Filed: October 26, 2005
    Date of Patent: January 29, 2008
    Assignee: Arch Chemicals, Inc.
    Inventors: Jayne Mallwitz, Robert C. Hire, Kiran B. Chandalia
  • Patent number: 7235597
    Abstract: The present invention relates to a styrenic thermoplastic resin composition, and more particularly to a styrenic thermoplastic resin composition comprising a non-halogen flame-retardant having superior flame-retarding properties and impact strength. The present invention provides a flame-retarding styrenic thermoplastic resin composition comprising a) 100 weight parts of a base resin comprising i) 10 to 50 weight parts of a rubber-modified styrenic-containing graft copolymer, ii) 5 to 20 weight parts of phenol novolac resin, and iii) 20 to 70 weight parts of a styrene-containing copolymer; and b) 5 to 20 weight parts of an aromatic phosphate. In addition, the a) base resin may further comprise iv) 10 to 40 weight parts of a thermoplastic polyurethane resin.
    Type: Grant
    Filed: September 5, 2002
    Date of Patent: June 26, 2007
    Assignee: LG Chem, Ltd.
    Inventors: Sung-Ho Lee, Chan-Hong Lee, Yong-Yeon Hwang, Ki-Young Nam, Tae-Hak Kim
  • Patent number: 7179854
    Abstract: A polyolfin composition having high resistance to degradation is formed of at least one polyolefin component, bis(2,4dicumylphenyl)pentaerythritol diphosphite, triisopropanolamine, a hydrotalcite component, and at least one phenol component.
    Type: Grant
    Filed: December 15, 2003
    Date of Patent: February 20, 2007
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Mark K. Russell, David R. Battiste
  • Patent number: 7169837
    Abstract: A flame retardant resin composition comprising: (A) 100 parts by weight of a resin component (component a) containing at least 50% by weight of a high impact polystyrene, and (B) 1 to 50 parts by weight of a phosphorous-containing compound (component b) represented by the following general formula (I): wherein A and A? are the same or different and represent —OR or -Q wherein R and Q represent an alkyl group having 1 to 12 carbon atoms, a cycloalkyl group having 5 to 10 carbon atoms, an aralkyl group having 7 to 20 carbon atoms or an aryl group having 6 to 15 carbon atoms. According to the present invention, there are provided a polystyrene resin composition containing substantially no halogen and having heat resistance, particularly a high heat distortion temperature under load, and an article from the composition.
    Type: Grant
    Filed: December 17, 2003
    Date of Patent: January 30, 2007
    Assignee: Teijin Chemicals, Ltd.
    Inventors: Katsuhiro Yamanaka, Kazuhiko Koya, Yutaka Taketani
  • Patent number: 7138449
    Abstract: A polyester composition comprising from 90 to 97% by weight of at least one polyester derived from the condensation of 1,4-cyclohexane dimethanol and at least one dicarboxylic acid or an ester thereof, from 0.1 to 5% by weight of at least one primary anti-oxidant defined as an alkyl and/or alkyl peroxy radical scavenger, from 0.1 to 5% by weight of at least one secondary anti-oxidant defined as a compound capable of decomposing a hydroperoxide, from 1 to 4% by weight of at least one polyamide terpolymer. Utility of such a composition includes use in a monofilament yarn or fiber, use in a papermachine clothing including such a monofilament yarn or fiber and/or including the polyester composition.
    Type: Grant
    Filed: January 20, 2004
    Date of Patent: November 21, 2006
    Assignee: Voith Paper Patent GmbH
    Inventors: Craig Stuart Valentine, Heping Zhang, Sanjay Patel
  • Patent number: 7122588
    Abstract: The object of the present invention is to provide a golf ball having a paint film which is excellent in the adhesion, the durability and the coloring-resistance. The golf ball of the present invention comprises a paint film formed on the surface of a golf ball body, wherein the paint film contains 0.05 to 5 parts by mass of a phosphorus stabilizer with respect to 100 parts by mass of a resin component.
    Type: Grant
    Filed: March 4, 2004
    Date of Patent: October 17, 2006
    Assignee: Sri Sports Limited
    Inventors: Koichi Fujisawa, Kazuhiko Isogawa
  • Patent number: 7087667
    Abstract: A flame retardant resin composition consisting essentially of: (A) 100 parts by weight of the total of resin components (components A) which include at least 60 wt % of an aromatic polyester resin; (B) an organic phosphorus compound (component B-1) represented by the following general formula (1) and having an acid value of 0.7 mgKOH/g or less or an organic phosphorus compound (component B-2) represented by the following general formula (2); (C) 0 to 50 parts by weight of a flame retardancy improving resin (component C); and (D) 0 to 200 parts by weight of a filler (component D), and a molded article thereof. Wherein, when the organic phosphorus compound is the component B-1, the amount of the component B-1 is 1 to 100 parts by weight and when the organic phosphorus compound is the component B-2, the component B-2 is used in combination with a biscumyl compound (component B-3), the amount of the component B-2 is 5 to 3.0 parts by weight, and the amount of the component B-3 is 0.01 to 5 parts by weight.
    Type: Grant
    Filed: May 14, 2002
    Date of Patent: August 8, 2006
    Assignee: Teijin Chemicals, Ltd.
    Inventors: Katsuhiro Yamanaka, Yutaka Taketani
  • Patent number: 7026381
    Abstract: The object of the present invention is to provide a one-piece golf ball having an improved repulsion and coloring-resistance, and showing a good adhesion to the paint film. The one-piece golf ball of the present invention comprises a golf ball body formed by vulcanizing a rubber composition and a paint film covering the golf ball body, wherein the rubber composition contains 0.05 to 10 parts by mass of a phosphorus stabilizer with respect to 100 parts by mass of the rubber component.
    Type: Grant
    Filed: May 20, 2004
    Date of Patent: April 11, 2006
    Assignee: Sumitomo Rubber Industries, Ltd.
    Inventors: Koichi Fujisawa, Kazuhiko Isogawa
  • Patent number: 6992124
    Abstract: The present invention relates to a synergistic additives mixture for producing calendered polyolefin articles, comprising A) at least one component from the group of peroxide-destroying phosphorus or sulfur compounds, B) at least one component from the group of phenolic antioxidants, C) at least one component from the group of sterically hindered amines, and D) if desired, further additives. Using this additive mixture prevents sticking to the hot roll surfaces and reduces the degradation of the polymer.
    Type: Grant
    Filed: February 3, 1999
    Date of Patent: January 31, 2006
    Assignee: Clariant GmbH
    Inventors: Christian Wick, Gerhard Pfahler, Alexander Lichtblau
  • Patent number: 6899939
    Abstract: A thermoplastic molding composition especially suitable for preparing optical data carriers is disclosed. The composition contains polycarbonate resin, at least one mold release agent and at least one phosphite having a defined structural formula. The optical data carriers include compact discs, video discs, digital versatile discs and further optical data carriers which may be written and erased one or more times.
    Type: Grant
    Filed: March 22, 2002
    Date of Patent: May 31, 2005
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wilfried Haese, James Mason
  • Patent number: 6790887
    Abstract: Disclosed is an aromatic polycarbonate resin composition comprising a resin component (A) selected from the group consisting of an aromatic polycarbonate and a resin mixture of an aromatic polycarbonate and at least one organic polymer resin other than an aromatic polycarbonate, wherein the resin mixture has an aromatic polycarbonate content of 50% by weight or more, and at least one aromatic group-containing silicone compound (B), wherein the at least one aromatic group-containing silicone compound (B) comprises a monomer, a polymer or a mixture thereof, which is represented by at least one formula selected from the group consisting of the following formulae (1) and (2): wherein the component (B) contains the aromatic group in an amount of 5 to 100 mole %, based on the total molar amount of R1, R2, R3 and R4, wherein each of R1 and R2 represents a hydrogen atom or a C1-C20 hydrocarbon group, and each of R3 and R4 represents a hydrogen atom, a C1-C20 hydrocarbon group or a metal-containing g
    Type: Grant
    Filed: November 22, 2000
    Date of Patent: September 14, 2004
    Assignee: Asahi Kasei Kabushiki Kaisha
    Inventor: Hajime Nishihara
  • Patent number: 6756433
    Abstract: The present invention relates to polycarbonate moulding compositions provided with phosphonate amines and phosphorus compounds, which moulding compositions exhibit excellent flame protection and very good mechanical properties, such as joint line strength or modulus of elasticity, and a good crude shade.
    Type: Grant
    Filed: February 27, 2002
    Date of Patent: June 29, 2004
    Assignee: Bayer Aktiengesellschaft
    Inventors: Michael Zobel, Thomas Eckel, Torsten Derr, Dieter Wittmann
  • Patent number: 6723768
    Abstract: Thermoplastic compositions of polyester/polycarbonate blends have reduced yellowness and improved thermal and melt stability when the polyester is produced with a reduced level of a titanium-containing catalyst in an amount of from about 1 to about 30 ppm elemental titanium, with ppm based on the total weight of the polyester.
    Type: Grant
    Filed: March 27, 2002
    Date of Patent: April 20, 2004
    Assignee: Eastman Chemical Company
    Inventors: Valerie Sue Adams, Emmett Dudley Crawford, Michael Eugene Donelson, Douglas Stephens McWilliams
  • Patent number: 6720372
    Abstract: The present invention relates to a halogen free flame retardant thermoplastic styrene resin composition. More particularly, the present invention relates to a flame retardant resin composition, comprising (A) a graft copolymer consisting of rubber modified styrenic resin, (B) a polycarbonate resin, (C) a phenol novolak resin, (D) a copolymer consisting of styrene, and (E) an aromatic phosphate. The resin composition of the present invention has a superior flame retardancy using a halogen free flame retardant and a little amount of polycarbonate resin.
    Type: Grant
    Filed: April 29, 2002
    Date of Patent: April 13, 2004
    Assignee: LG Chemical Co., Ltd.
    Inventors: Sung-Ho Lee, Chan-Hong Lee, Yong-Yeon Hwang, Ki-Young Nam