Atom Other Than C, H, O, Or Halogen Patents (Class 524/330)
  • Patent number: 9150748
    Abstract: In a composition aspect of the invention, a nanoparticle coating comprises repeating polyacrylic acid monomers covalently bound together to form an aliphatic chain having a plurality of carboxylic acid functional groups and modified carboxylic acid functional groups extending therefrom. A first portion of the modified carboxylic acid functional groups are modified by a PEG oligomer having a terminal methoxy functional group and a second portion of the modified carboxylic acid functional groups are modified by a PEG oligomer having at least one terminal sulfur moiety.
    Type: Grant
    Filed: February 21, 2013
    Date of Patent: October 6, 2015
    Assignee: The Florida State University Research Foundation, Inc.
    Inventors: Hedi Mattoussi, Goutam Palui, Hyon Bin Na
  • Patent number: 8822002
    Abstract: An object of the present invention is to provide a fluorine-containing elastomer composition being flexible and having excellent fuel barrier property, heat resistance, chemical resistance and oil resistance. Another object of the present invention is to provide a sealing material, a molded article and a fuel hose obtained by crosslinking the fluorine-containing elastomer composition. The composition is a fluorine-containing elastomer composition comprising a polyol-crosslinkable fluorine-containing elastomer, a polyol crosslinking agent and a hydrotalcite, wherein an acid acceptor comprising only an oxide or hydroxide of a divalent metal is contained in an amount of not more than 2 parts by weight based on 100 parts by weight of the fluorine-containing elastomer.
    Type: Grant
    Filed: May 17, 2007
    Date of Patent: September 2, 2014
    Assignee: Daikin Industries, Ltd.
    Inventors: Daisuke Ota, Katsusada Tokuhira
  • Publication number: 20130158174
    Abstract: The present disclosure provides an additive and a method for terminating polymerization and/or reducing viscosity of polymer solution. The additive comprises a carboxylic acid, an alcohol, a salt chosen from alkali metal salts, alkaline earth metal salts, ammonium salts, and any combination thereof, and optionally, water. The method of the present disclosure comprises adding the additive according to present disclosure into a polymer solution and mixing the resulting mixture. The additive of the present disclosure can terminate living polymer chain ends efficiently and can destroy catalytic active centers and can substantially reduce the viscosity of a polymer solution.
    Type: Application
    Filed: December 20, 2012
    Publication date: June 20, 2013
    Applicants: BEIJING UNIVERSITY OF CHEMICAL TECHNOLOGY, CHINA PETROLEUM & CHEMICAL CORPORATION
    Inventors: Yixian WU, Wei HUA, Han ZHU, Llangxing MA, Yanqin HAO, Ximing ZHAO, Guojun ZHENG, Changqlng DUAN, Jun QI, Oijun MU
  • Patent number: 8354173
    Abstract: Provided are compositions comprising a) a fluoroplastic; b) an aromatic material having exactly one hydroxyl group, wherein the aromatic material is free of thiol groups, and wherein the hydroxyl group is bonded to an aromatic carbon; c) a salt former compound capable of forming a salt with the aromatic material; and d) optionally a phase transfer catalyst. Also provided are reaction products of the described compositions, multi-layer articles comprising the compositions and reaction products, and methods for making the compositions, reaction products, and articles.
    Type: Grant
    Filed: October 12, 2007
    Date of Patent: January 15, 2013
    Assignee: 3M Innovative Properties Company
    Inventors: Naiyong Jing, Blake E. Chandler, Gregg D. Dahlke
  • Patent number: 8258217
    Abstract: The instant invention relates to a composition comprising a) an organic material which is susceptible to oxidative, thermal or light-induced degradation, and b) at least one compound of the formula (I) wherein the general symbols are as defined in claim 1; especially wherein at least one of the radicals R2, R3 or R4 is —CH2—CH(CH3)—S(O)p—R12, —CH2—CH2—CH2—S(O)p—R12, —CH2—CH(R11)—CH2—R12 or —CH2—CH?CH—R12, R11 is hydrogen or halogen, R12 is a monovalent perfluorinated alkyl or alkenyl, linear or branched organic radical having four to twenty fully fluorinated carbon atoms; or —CH2CH2(CF2)mCF3, m is 3 to 12, and p is 0, 1 or 2. The compounds of the formula I are useful as reducers of surface energy for organic materials, for example synthetic polymer.
    Type: Grant
    Filed: August 29, 2007
    Date of Patent: September 4, 2012
    Assignee: BASF SE Ludwigshafen
    Inventors: Michèle Gerster, Manuel Mihalic
  • Publication number: 20120041108
    Abstract: A stabilized, dynamically vulcanized thermoplastic elastomer composition comprising dispersed dynamically vulcanized particles of at least one first elastomer or rubber comprising halogenated isobutylene-containing elastomer and dispersed particles of at least one second elastomer or rubber comprising at least one functional group capable of reacting with and grafting to a polyamide, the particles of the at least one first and at least one second elastomers dispersed in a continuous thermoplastic polyamide or nylon resin matrix comprising at least one nylon homopolymer, nylon copolymer or mixture thereof, the composition or the at least one first elastomer further comprising at least one stabilizer against degradation induced by exposure to actinic, particularly ultraviolet, radiation.
    Type: Application
    Filed: December 17, 2008
    Publication date: February 16, 2012
    Applicant: The Yokohama Rubber Co., Ltd.
    Inventors: Edward John Blok, Bruce Alan Harrington, Yuichi Hara, Shusaku Tomoi
  • Patent number: 8101679
    Abstract: The invention describes an improved method for the preparation of rubber compounds which comprises compounding the rubber and the components at 125-200° C. in the presence of an amount of 0.
    Type: Grant
    Filed: March 10, 2008
    Date of Patent: January 24, 2012
    Assignee: BASF SE
    Inventors: Gerrit Knobloch, Eva Peregi, Pierre Rota-Graziosi
  • Patent number: 8053512
    Abstract: A backbone modified polymer comprising the reaction product of an elastomeric polymer and a sulfide modifier represented by Formula 1: AS—Y-Zm (Formula 1), and wherein Y is (C12-C100) aralkyl, (C12-C100) aryl, (C12-C100) alkyl, or (C12-C100) dialkylether (alkyl-O-alkyl), and wherein each may be optionally substituted with (C1-C4alkyl, (C1-C4alkoxy, (C7-C16aryl, (C7-C16 aralkyl, nitrile, amine, NO2, alkoxy, or thioalkyl; S is sulfur; A is hydrogen, —(S)p—R1 or -MR2R3R4; Z is —SH, —S-MR5R6R7, —S—(S)p—R8, —NR9R10, —NR11COR12, —O—CO—R13, —NCO, or —COOR14; M is silicon or tin; N is nitrogen; O is oxygen; m is the number one, two or three; p is the number one, two, three, four or five; R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13 and R14 are the same or different, and are each, independently, selected from hydrogen (H), (C1-C16) alkyl, (C6-C16) aryl, (C7-C16) aralkyl or (C3-C30) tri(hydrocarbyl)silyl, and wherein the hydrocarbyl groups are each independently selected from (C1-C16) alkyl, (C6-C16) aryl, or
    Type: Grant
    Filed: December 14, 2007
    Date of Patent: November 8, 2011
    Assignee: Styron Europe GmbH
    Inventors: Sven K. H. Thiele, Joachim Kiesekamp
  • Publication number: 20110155416
    Abstract: Insulation compositions for electric power cables having a polyolefin base polymer and an additive comprising either low molecular weight wax or polyethylene glycol (PEG) and optionally further comprising one or more hindered amine light stabilizers, amine antioxidants and other antioxidant blends are disclosed. Also disclosed are insulation compositions comprising a C2 to C8 alpha olefin in combination with a polyethylene homopolymer together with, optionally, one or more hindered amine light stabilizer and a liquid cresol antioxidant.
    Type: Application
    Filed: March 7, 2011
    Publication date: June 30, 2011
    Applicant: General Cable Technologies Corporation
    Inventor: Mark Easter
  • Publication number: 20110046278
    Abstract: The invention describes a process for reducing the amount of saturated or unsaturated monomers and oligomers during production and processing of styrenic polymers comprising a mixture of at least two components selected from the group consisting of a) phenol thioethers, b) phenol acrylates, c) 3-arylbenzofuran-2-ones and d) 1,1-di-substituted ethylenes or tri-substituted ethylenes.
    Type: Application
    Filed: January 19, 2009
    Publication date: February 24, 2011
    Applicant: BASF SE
    Inventors: Alex Wegmann, Sunghee Kim, Michele Gerster
  • Patent number: 7875663
    Abstract: A polyolefin composition which comprises: (a) a polyolefin containing transition metal catalyst residue (excluding metallic co-catalyst residues) at a level below 5 ppm based on the weight of the polyolefin; (b) optionally a first stabilizing component consisting of a phenolic antioxidant or mixture of phenolic antioxidants; (c) optionally a second stabilizing component consisting of a phosphite antioxidant or a mixture of phosphite antioxidants; and (d) a third stabilizing component which acts also as a color suppressant and which is a polyfunctional alcohol, amine or amide or mixtures thereof, with at least one of (b) and (c) present and with the proviso that if the phosphite antioxidant is trilauryl phosphite it must be used in combination with another phosphite. The preferred stabilizing components (b) is 1,3,5-tris(4-tert-butyl-3-hydroxy-2,6 dimethyl,benzyl)-1,3,5-triazine-2,4,6-(1H,3H,5H)-trione or mixed tocopherols.
    Type: Grant
    Filed: July 26, 2006
    Date of Patent: January 25, 2011
    Assignee: Chemtura Europe GmbH
    Inventors: Klaus Keck-Antoine, Claude Totelin, Bruno Dejolier
  • Patent number: 7855246
    Abstract: A plastic pipe is made of a cross-linked polyolefin to be utilized in, but not limited to, potable water applications. Certain antioxidants and stabilizers are added to a process for producing the plastic pipe. The added antioxidants and stabilizers remain as key components in the final plastic pipes, providing superior long term stability and resistance to oxidative degradation, the latter being caused by but not limited to, chlorinated water environments. At least a primary stabilizer is used in the material.
    Type: Grant
    Filed: December 5, 2007
    Date of Patent: December 21, 2010
    Assignee: Uponor Innovation Ab
    Inventors: Jan Ericsson, Jacob John, Lucas Brickweg
  • Publication number: 20100240811
    Abstract: The present invention discloses a thermosetting resin composition including: a bi-functional or multi-functional epoxy resin, a SMA uses as a curing agent, an allyl phenol such as diallyl bisphenol A used as a co-curing agent and a toughening agent a low-bromine or high-bromine BPA epoxy resin or tetrabromobispheno A (TBBPA or TBBA) uses as a flame retardant agent, and an appropriate solvent. After the resin composition of the invention is cured, the resin composition has lower dielectric property and better thermal reliability and tenacity. A copper clad laminate made of an enhanced material such as glass fiber has lower dielectric constant (Dk) and loss tangent (Df), high Tg, high thermal decomposition temperature (Td), better tenacity and PCB manufacturability, and thus very suitable to be used as a copper clad laminate and a prepreg for manufacturing PCBs or applied as a molding resin material for contraction, automobile and air navigation.
    Type: Application
    Filed: March 18, 2009
    Publication date: September 23, 2010
    Inventors: Yufang HE, Lunqiang ZHANG
  • Publication number: 20090149588
    Abstract: A plastic pipe is made of a cross-linked polyolefin to be utilized in, but not limited to, potable water applications. Certain antioxidants and stabilizers are added to a process for producing the plastic pipe. The added antioxidants and stabilizers remain as key components in the final plastic pipes, providing superior long term stability and resistance to oxidative degradation, the latter being caused by but not limited to, chlorinated water environments. At least a primary stabilizer is used in the material.
    Type: Application
    Filed: December 5, 2007
    Publication date: June 11, 2009
    Applicant: Uponor Innovation Ab
    Inventors: Jan Ericsson, Jacob John, Lucas Brickweg
  • Publication number: 20090130351
    Abstract: The present invention provides a production process of a heat shrinkable film which is transparent, excellent in the balance of physical properties such as rigidity, elongation and shrink properties in both MD and TD, especially has a uniform film thickness and good stability in extrusion molding film while utilizing an inflation method; a block copolymer or hydrogenated product thereof, or a composition composed thereof excellent in tensile properties, optical properties, hardness, stretch properties, molding processability, shrink properties and solvent resistance and therefore suited for extrusion, injection molding and foams. The production process of a heat shrinkable film has a first inflation step of forming a tube having a thickness of from 0.05 to 0.5 mm by using a block copolymer having a vinyl aromatic hydrocarbon content of from 65 to 95 wt. % and a conjugated diene content of from 5 to 35 wt.
    Type: Application
    Filed: September 12, 2006
    Publication date: May 21, 2009
    Applicant: ASAHI KASEI CHEMICALS CORPORATION
    Inventors: Susumu Hoshi, Ryoko Fukuoka, Yasutaka Nakamura
  • Publication number: 20090061248
    Abstract: An object of the invention is to provide a block copolymer hydrogenation product suitable for a sheet and a heat shrinkable film which are excellent in solvent resistance, rigidity, elongation and transparency, which is excellent in a balance of physical properties such as solvent resistance, natural shrinkability, low-temperature shrinkability, rigidity, transparency and low-temperature elongation, and a composition thereof.
    Type: Application
    Filed: April 7, 2006
    Publication date: March 5, 2009
    Inventors: Susumu Hoshi, Yukio Yamaura
  • Publication number: 20080311065
    Abstract: The present invention relates to macromonomer compounds possessing antioxidant properties, antioxidant polymers comprising the antioxidant macromonomers as a recurring unit, and methods of inhibiting oxidation in a substance comprising contacting the substance with the antioxidant polymers. In one embodiment, substantially all of the recurring macromonomeric units of the antioxidant polymers comprise an antioxidant moiety. In another embodiment, all of the recurring macromonomer units of the antioxidant polymers comprise an antioxidant moiety. The method of the present invention, yields antioxidant polymers with substantially all of the recurring units comprising an antioxidant moiety. These antioxidant polymers have greater bulk antioxidative properties than previously known.
    Type: Application
    Filed: May 28, 2008
    Publication date: December 18, 2008
    Inventor: Ashok L. Cholli
  • Patent number: 7452933
    Abstract: The present invention relates to a cross-linked polyethylene composition having outstanding sweat-out inhibition and insulation properties. The composition of the invention characteristically comprises (A) 100 weight part of polyethylene; (B) 0.2-0.6 weight part of a mixture of a liquid antioxidant and a hindered phenol or thio ester antioxidant; (C) 0.2-0.9 weight part of polyethylene glycol having a molecular weight of 5,000-70,000; and (D) 1-4 weight part of a cross-linking agent.
    Type: Grant
    Filed: December 8, 2006
    Date of Patent: November 18, 2008
    Assignee: LG Chem, Ltd.
    Inventors: Youngil Song, Ingyu Park, Yoonsun Nam, Deukju Kim
  • Publication number: 20080262136
    Abstract: The present invention relates to an insulating composition for an electric power cable which comprises a polyolefin, an antioxidant, and a polar copolymer. Further, the present invention relates to an electric power cable comprising an insulating layer including a composition according to the present invention, and to the use of a polar copolymer for improving the storage stability, i.e. reducing the exudation of an antioxidant, in an insulating polymer composition. Thereby, said composition comprises polar monomer units in a comparatively small amount, e.g. in an amount of polar monomer units in the total polymer part of the composition from 1 to 100 micromol (1·10?6 to 100·106 mol) per gram of polymer in addition to an antioxidant.
    Type: Application
    Filed: May 24, 2005
    Publication date: October 23, 2008
    Applicant: BOREALIS TECHNOLOGY OY
    Inventors: Gustaf Akermark, Bernt-Ake Sultan, Annika Smedberg
  • Publication number: 20080220343
    Abstract: An ink composition for producing a color filter is provided. The ink composition comprises a colorant, a binder and plural solvents. A color filter production method using the above-mentioned ink composition is also provided. The ink composition is adhered to the designated light transmitting regions on the surface of a transparent substrate. Then, the ink composition adhered to the designated light transmitting regions is solidified.
    Type: Application
    Filed: February 14, 2008
    Publication date: September 11, 2008
    Applicant: AU Optronics Corporation
    Inventors: Chi-Sheng Chen, Lun Tsai, Wen-Bin Wu, Shen-Jye Shieh, Shu-Chin Lee, Feng-Yuan Gan
  • Patent number: 7112631
    Abstract: High green strength reactive hot melt adhesives are prepared using crystalline monofunctional reactants.
    Type: Grant
    Filed: October 24, 2002
    Date of Patent: September 26, 2006
    Assignee: National Starch and Chemical Investment Holding Corporation
    Inventors: Yue S. Zhang, Ju-Ming Hung, Wayne K. Chu
  • Patent number: 7109261
    Abstract: Halogen-containing polymer compositions comprising a latent mercaptan-containing heat stabilizer composition substantially free from the offensive odor typically associated with mercaptans are protected during processing by the degradation products of the latent (i.e., blocked) mercaptan which include a free mercaptan. Other products of the degradation are believed to include carbocations of the blocking moiety which are stabilized by a molecular structure in which the electron deficiency is shared by several groups. The latent mercaptan may be the sole heat stabilizer additive but the free mercaptan released during processing may also synergize the activity of metal-based heat stabilizers such as metal salts and organometallic stabilizers such as organotin carboxylates and mercaptides in the polymer composition. The odor of primary mercaptan-containing heat stabilizers in halogenated polymer compositions is masked by a small amount of a latent mercaptan.
    Type: Grant
    Filed: September 8, 2003
    Date of Patent: September 19, 2006
    Assignee: Rohm and Haas Company
    Inventors: Tod C. Duvall, Paul B. Adams, Gene K. Norris
  • Patent number: 7105109
    Abstract: Compositions useful as heat stabilizers comprising at least one latent mercaptan-containing compound and at least one zinc compound are provided. Halogen-containing polymer compositions comprising such heat stabilizers are also provided.
    Type: Grant
    Filed: August 26, 2003
    Date of Patent: September 12, 2006
    Assignee: Rohm and Haas Company
    Inventors: Paul Brian Adams, Gene K. Norris, Tod C. Duvall
  • Patent number: 6897254
    Abstract: Halogen-containing polymer compositions containing a heat stabilizer comprising a latent mercaptan, a zinc salt, and a free mercaptan as a separate entity are protected during processing by the degradation products of the latent (i.e., blocked) mercaptan. A free mercaptan is among those products. The separate free mercaptan (i.e., an alien free mercaptan) enhances the activity of the latent mercaptan in a synergistic manner.
    Type: Grant
    Filed: December 2, 2002
    Date of Patent: May 24, 2005
    Assignee: Rohm and Haas Company
    Inventors: Paul Brian Adams, Gene Kelly Norris
  • Patent number: 6869995
    Abstract: A composition comprising: (i) polyethylene, and, based on 100 parts by weight of component (i), (ii) about 0.3 to about 0.6 part by weight of 4,4?-thiobis(2-methyl-6-t-butylphenol); 4,4?-thiobis(2-t-butyl-5-methylphenol); 2,2?-thiobis(6-t-butyl-4-methylphenol); or a mixture of said compounds, and (iii) about 0.4 to about 1 part by weight of a polyethylene glycol having a molecular weight in the range of about 1000 to about 100,000.
    Type: Grant
    Filed: January 28, 2002
    Date of Patent: March 22, 2005
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventors: Paul J. Caronia, Kawai P. Pang, Michael J. Keogh
  • 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: 6815076
    Abstract: A pressure-sensitive adhesive tape having a cured layer of a silicone pressure-sensitive adhesive composition containing a phenolic antioxidant is attached to an adherend of metal, typically copper for bonding or masking purposes. Even after exposure to elevated temperatures of 150-250° C., the tape can be smoothly peeled from the adherend without leaving any adhesive residue.
    Type: Grant
    Filed: September 25, 2002
    Date of Patent: November 9, 2004
    Assignee: Shin-Etsu Chemical Co. Ltd.
    Inventor: Shunji Aoki
  • Patent number: 6743840
    Abstract: Halogen-containing polymer compositions comprising a latent mercaptan-containing heat stabilizer composition substantially free from the offensive odor typically associated with mercaptans are protected during processing by the degradation products of the latent (i.e., blocked) mercaptan which include a free mercaptan. Other products of the degradation are believed to include carbocations of the blocking moiety which are stabilized by a molecular structure in which the electron deficiency is shared by several groups. The latent mercaptan may be the sole heat stabilizer additive but the free mercaptan released during processing may also synergize the activity of metal-based heat stabilizers such as metal salts and organometallic stabilizers such as organotin carboxylates and mercaptides in the polymer composition. The odor of primary mercaptan-containing heat stabilizers in halogenated polymer compositions is masked by a small amount of a latent mercaptan.
    Type: Grant
    Filed: January 16, 1998
    Date of Patent: June 1, 2004
    Assignee: Rohm and Haas Company
    Inventors: Tod C. Duvall, Paul B. Adams, Gene K. Norris
  • Patent number: 6610763
    Abstract: A process for preparing a container for handling a household waste material which involves molding a household waste container from a plastic batch material containing 0.1 to 10% by weight of at least one phenol biocide selected from the group consisting of 5,5′-dichloro-2,2′-dihydroxydiphenyl methane, 3,5,3′,5′-tetrachloro-4,4′-dihydroxydiphenyl methane, 3,5,6,3′,5′,6′-hexachloro-2,2′-dihydroxydiphenyl methane, 5,5′-dichloro-2,2′-dihydroxydiphenyl sulfide, 2,4,5,2′,4′,5′-hexachloro-dihydroxydiphenyl sulfide, 3,5,3′,5′-tetrachloro-2,2′-dihydroxydiphenyl sulfide, and 2,4,4′-trichloro-2′-hydroxydiphenyl ether to form the container with an inner and an outer co-extruded layer wherein the phenol is applied on a co-extruded layer forming the surface of the inner co-extruded layer.
    Type: Grant
    Filed: August 23, 1999
    Date of Patent: August 26, 2003
    Assignee: Gebr. Otto GmbH & Co. KG
    Inventor: Ulrich Beese
  • Patent number: 6596796
    Abstract: There are described compositions comprising a) an emulsion crude rubber, synthetic latex or natural rubber latex subject to oxidative, thermal, dynamic and/or light-induced degradation, and b) as stabilizer at least one compound of formula I wherein R1 is C8-C20alkyl; and optionally c) as further stabilizer at least one compound of formula II wherein R2 is C8-C12alkyl, R3 is hydrogen, C1-C12alkyl, cyclohexyl, 1-methylcyclohexyl, benzyl, &agr;-methylbenzyl, &agr;,&agr;-dimethylbenzyl or —CH2—S—R2, R4 is C1-C12alkyl, benzyl, &agr;-methylbenzyl, 60 ,&agr;-dimethylbenzyl or —CH2—S—R2, and R5 is hydrogen or methyl.
    Type: Grant
    Filed: October 16, 2000
    Date of Patent: July 22, 2003
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Hans-Rudolf Meier, Gerrit Knobloch, Paul Dubs, Samuel Evans
  • Patent number: 6566431
    Abstract: The present invention provides a damping composite material, exhibiting more stable and functional damping effects than the conventional one based on the viscous or frictional mechanism to convert mechanical vibrational energy into thermal energy, and also provide a method for producing the same. The damping material of the present invention comprises at least a material showing piezoelectric, dielectric and electroconductive effects, and an organic polymer matrix material, wherein the material showing piezoelectric, dielectric and electroconductive effects is a compound containing a phenolic group, and the method of the present invention for producing the damping material comprises two steps, one uniformly mixing the material showing piezoelectric, dielectric and electroconductive effects with the organic polymer matrix material at normal temperature or higher, and the other forming the mixture by pressing or drawing at high temperature.
    Type: Grant
    Filed: September 25, 2000
    Date of Patent: May 20, 2003
    Inventors: Cheng Zhang, Tadashi Miura, Masao Sumita
  • Patent number: 6559214
    Abstract: Halogen-containing polymer compositions comprising a latent mercaptan-containing heat stabilizer composition substantially free from the offensive odor typically associated with mercaptans are protected during processing by the degradation products of the latent (i.e., blocked) mercaptan which include a free mercaptan. Other products of the degradation are believed to include carbocations of the blocking moiety which are stabilized by a molecular structure in which the electron deficiency is shared by several groups. The latent mercaptan may be the sole heat stabilizer additive but the free mercaptan released during processing may also synergize the activity of metal-based heat stabilizers such as metal salts and organometallic stabilizers such as organotin carboxylates and mercaptides in the polymer composition. The odor of primary mercaptan-containing heat stabilizers in halogenated polymer compositions is masked by a small amount of a latent mercaptan.
    Type: Grant
    Filed: August 4, 1999
    Date of Patent: May 6, 2003
    Inventors: Tod C. Duvall, Paul B. Adams, Gene K. Norris
  • Publication number: 20030045617
    Abstract: A composition comprising:
    Type: Application
    Filed: January 28, 2002
    Publication date: March 6, 2003
    Applicant: Union Carbide Chemicals & Plastics Technology Corporation.
    Inventors: Paul J. Caronia, Kawai P. Pang, Michael J. Keogh
  • Publication number: 20020049267
    Abstract: An organohybrid-based damping material for controlling unwanted vibration and noise, an organic damping improver exhibiting piezoelectric, dielectric and electroconductive effects, and their producing methods, are provided. The damping material comprises a polymer matrix having a polar side chain and a damping improver composed of a compound containing basic nitrogen and a phenol-based compound. The damping material shows an excellent damping properties, alleviates the functional deterioration, and is applicable to different application temperature regions and wide areas.
    Type: Application
    Filed: April 2, 2001
    Publication date: April 25, 2002
    Inventors: Cheng Zhang, Tadashi Miura, Masao Sumita
  • Patent number: 6252006
    Abstract: A coating composition of a fluororubber containing a fluorine-containing elastomeric copolymer which has repeating units of the formula: —CH2— in the backbone, a polyol curing agent, and a salt or a complex compound of a basic compound having a pKa of at least 8 and an organic acid as a curing accelerator. This composition is a one-pack type composition having a long pot life, and can provide a cured coating in a short time at a relatively low temperature. Furthermore, this composition can be applied by dispenser type coating or screen printing, even when the concentration of the fluorine-containing copolymer is high.
    Type: Grant
    Filed: March 25, 1999
    Date of Patent: June 26, 2001
    Assignee: Daikin Industries Ltd.
    Inventors: Nobuyuki Tomihashi, Kiyotaro Terasaka, Toshiyuki Kinoshita
  • Patent number: 6221940
    Abstract: A thermoplastic resin composition containing a polyetherimide resin, a glycidyl ester impact modifier and a organometallic compound exhibits improved impact strength and ductility.
    Type: Grant
    Filed: December 23, 1997
    Date of Patent: April 24, 2001
    Assignee: General Electric Company
    Inventors: Robert Puyenbroek, James Fishburn
  • Patent number: 6191246
    Abstract: The invention provides a polymer which is a polymerization product obtained by polymerizing at least ethylene, 1-pentene and 1-hexene; and a process for producing a polymer by reacting at least ethylene, 1-pentene and 1-hexene in a reaction zone at a pressure between atmospheric and 60 kg/cm3 and at a temperature between 30° C. and 120° C., in the presence of a catalyst system. The invention also provides a polymer composition which comprises a terpolymer of ethylene, 1-pentene and 1-hexene, a phenolic stabilizer component, a metal salt of a higher aliphatic acid, and, optionally, at least one organic phosphite stabilizer.
    Type: Grant
    Filed: January 12, 1998
    Date of Patent: February 20, 2001
    Assignee: Sasol Technology (Proprietary) Limited
    Inventors: Dawid Johannes Joubert, Ignatius Hendrik Potgieter, Ioan Tincul, Peter Loggenberg
  • Patent number: 5919849
    Abstract: The invention relates to improved polyacetal compositions composed of polyoxymethylene (component A) and a stabilized MBS core shell graft copolymer (component B) formed from a rubber-elastic core based on polybutadiene, and a hard graft shell.The stabilized MBS core shell graft copolymer (component B) contains a special stabilization formulation of at least one hindered phenol, a phosphite, a sulfide, and a pH buffer system.The shaped articles produced from these mixtures are particularly distinguished by an excellent low-temperature impact strength and a good heat aging performance.
    Type: Grant
    Filed: September 9, 1996
    Date of Patent: July 6, 1999
    Assignees: Rohm and Haas Company, Hoechst Aktiengesellschaft
    Inventors: Nazir Ahmed Memon, Richard Henry Weese, Ursula Elisabeth Ziegler
  • Patent number: 5869185
    Abstract: A polycarbonate substrate coated with an acrylic coating containing at least one polybenzoylresorcinol, and optionally a silicone hardcoat on the acrylic coating, wherein said at least one polybenzoylresorcinol has the formula ##STR1## wherein each A is independently a substituted or unsubstituted monocyclic aromatic radical wherein any substituents are hydrogen, halogen, alkoxy, C.sub.1-8 alkyl, or hydroxy, and R is hydrogen or a linear or branched aliphatic radical having less that about 10 carbon atoms.
    Type: Grant
    Filed: June 21, 1996
    Date of Patent: February 9, 1999
    Assignee: General Electric Company
    Inventors: Steven Roger Bahr, James Edward Pickett, Karen Kueck Webb
  • Patent number: 5658671
    Abstract: A coating composition useful, for example, in the preparation of automotive gaskets and the like, the composition comprising:(1) a fluoroelastomer;(2) a quaternary ammonium or quaternary phosphonium salt accelerator;(3) a polyol;(4) an acid acceptor;(5) an oil-soluble chelating agent; and(6) an organic solvent.
    Type: Grant
    Filed: October 4, 1995
    Date of Patent: August 19, 1997
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: Tatsuo Fukushi
  • Patent number: 5599860
    Abstract: The invention relates to improved polyacetal compositions composed of polyoxymethylene (component A) and a stabilized MBS core shell graft copolymer (component B) formed from a rubber-elastic core based on polybutadiene, and a hard graft shell.The stabilized MBS core shell graft copolymer (component B) contains a special stabilization formulation of at least one hindered phenol, a phosphite, a sulfide, and a pH buffer system.The shaped articles produced from these mixtures are particularly distinguished by an excellent low-temperature impact strength and a good heat aging performance.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: February 4, 1997
    Inventors: Nazir A. Memon, Richard H. Weese, Ursula E. Ziegler
  • Patent number: 5480925
    Abstract: This invention relates to a sprayable adhesive that, when applied to a substrate, exhibits a color that confirms where it has been applied and then fades upon drying.
    Type: Grant
    Filed: July 20, 1994
    Date of Patent: January 2, 1996
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Hisao Masuzaki, Shinji Sugii
  • Patent number: 5451625
    Abstract: A coating composition useful, for example, in the preparation of automotive gaskets and the like, the composition comprising:(1) a fluoroelastomer;(2) a quaternary ammonium or quaternary phosphonium salt accelerator;(3) a polyol;(4) an acid acceptor;(5) an oil-soluble chelating agent; and(6) an organic solvent.
    Type: Grant
    Filed: June 9, 1993
    Date of Patent: September 19, 1995
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: Tatsuo Fukushi
  • Patent number: 5451624
    Abstract: The invention relates to improved thermoplastic compositions composed of one or more thermoplastics (component A), and a stabilized MBS core shell graft copolymer (component B) formed from a rubber-elastic core based on polybutadiene, and a hard graft shell.The stabilized MBS core shell graft copolymer (component B) contains a special stabilization formulation of at least one hindered phenol, a phosphite, an organic sulfide, and optionally a pH buffer system. The stabilized MBS core shell graft copolymer improves the impact strength and heat aging properties of thermoplastic compositions and polyacetal compositions.The shaped articles produced from the improved thermoplastic compositions are particularly distinguished by an excellent high-temperature impact strength and a good heat aging performance.
    Type: Grant
    Filed: February 15, 1994
    Date of Patent: September 19, 1995
    Assignee: Rohm and Haas Company
    Inventors: Nazir A. Memon, Richard H. Weese
  • Patent number: 5447978
    Abstract: A curable composition comprising as effect components:(A) 100 parts by weight of at least one member selected from the group consisting of a polyester, an ether ester block-copolymer, a vinyl polymer, a diallyl phthalate compound, a diallyl phthalate copolymer and an epoxy compound, said component (A) having in its molecule at least one silyl group represented by the formula (I): ##STR1## (B) 0.0001 to 50 parts by weight of an organotin compound, and (C) 0.1 to 20 parts by weight of a mercapto group-containing compound. The curable composition has well balanced pot life and curability and provides a cured product having an excellent appearance.
    Type: Grant
    Filed: October 14, 1993
    Date of Patent: September 5, 1995
    Assignee: Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
    Inventors: Naotami Ando, Hisao Furukawa, Yasushi Kato
  • Patent number: 5410015
    Abstract: Thermoplastic polyamide molding materials contain, as essential components,A) from 39 to 99% by weight of a polyamide or a mixture of different polyamides andB) from 1 to 30% by weight of a phenol of the general formula IR.sub.3 E Iand E is a trivalent, aliphatic, C.sub.1 -C.sub.10 -hydrocarbon radical, triazinetriyl or a trivalent C.sub.6 - or C.sub.10 -aryl radical, andc) from 0 to 60% by weight, based on the amount of polyamide, of fibrous or particulate fillers or a mixture thereof.
    Type: Grant
    Filed: July 6, 1993
    Date of Patent: April 25, 1995
    Assignee: BASF Aktiengesellschaft
    Inventors: James Hurley, Walter Goetz, Gerd Blinne
  • Patent number: 5382605
    Abstract: A thermoplastic molding composition resistant to the degradation induced by ionizing-radiation is disclosed. The composition contains an aromatic polycondensate and an agent which is a compound conforming structurally to formula (I) ##STR1## or which is a member selected from the group consisting of oligocarbonate, polycarbonate, copolycarbonate, polyestercarbonate and polyesters which contain structural units conforming to formula (Ia) ##STR2## wherein R.sup.1 to R.sup.10 and X are defined. The composition is suitable for the manufacture of shaped articles, especially articles useful in medical applications.
    Type: Grant
    Filed: February 15, 1994
    Date of Patent: January 17, 1995
    Assignees: Miles Inc., Bayer Aktiengesellschaft
    Inventors: Douglas G. Powell, Charles E. Lundy, Gerhard Fennhoff, Ralf Hufen, Klaus Kircher
  • Patent number: 5331034
    Abstract: In plastic molding compositions, in particular those based on olefin polymers, which contain phenolic stabilizers and metal ions as catalyst residues, the discoloration at the processing temperature is reduced if they contain triglycerol or ditrimethylolpropane as catalyst deactivators.
    Type: Grant
    Filed: November 13, 1991
    Date of Patent: July 19, 1994
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Gerhard Pfahler, Georg Schmailzl
  • Patent number: 5286772
    Abstract: A polyolefin composition is disclosed comprising polyolefin with a synergistic antioxidant composition of a phenolic oxidation inhibitor and synergist capable of reacting with the phenoxyl radicals to form a phenolic group and regenerate the phenolic oxidation inhibitor. In a preferred embodiment of the invention, the synergist also acts as a metal-complexing agent capable of complexing with trace transition-metal-ions contaminants in the polyolefin.
    Type: Grant
    Filed: November 27, 1992
    Date of Patent: February 15, 1994
    Assignee: The University of Utah
    Inventor: Natalya Rapoport
  • Patent number: 5276258
    Abstract: Mixtures composed of a mercaptomethylphenol of the formula ##STR1## in which n and R.sub.1 to R.sub.4 are as defined in claim 1, and epoxidised fatty acids or fatty acid esters are suitable, in particular, for stabilisation of compositions which contain elastomers or tackifying resins or elastomers and tackifying resins.
    Type: Grant
    Filed: December 2, 1992
    Date of Patent: January 4, 1994
    Assignee: Ciba-Geigy Corporation
    Inventors: Gerrit Knobloch, Heinrich Martin