Ethylenic Polymer Derived From At Least One Reactant Containing Two Or More Ethylenic Groups Patents (Class 524/511)
  • Patent number: 11191661
    Abstract: A fecal catheter or ostomy pouch made of an odor barrier material including a thermoplastic elastomer, odor barrier modifier and an antiblocking agent.
    Type: Grant
    Filed: November 9, 2018
    Date of Patent: December 7, 2021
    Assignee: CONVATEC TECHNOLOGIES INC.
    Inventors: Mingliang Lawrence Tsai, Tinh Nguyen-DeMary
  • Patent number: 10166137
    Abstract: A fecal catheter or ostomy pouch made of an odor barrier material including a thermoplastic elastomer, odor barrier modifier and an antiblocking agent.
    Type: Grant
    Filed: March 16, 2012
    Date of Patent: January 1, 2019
    Assignee: CONVATEC TECHNOLOGIES INC.
    Inventors: Tinh Nguyen-Demary, Mingliang Lawrence Tsai
  • Patent number: 9969886
    Abstract: A latex for friction member use including rubber particles comprised of a carboxyl group-containing highly saturated nitrile rubber containing ?,?-ethylenically unsaturated nitrile monomer units in a ratio of 10 to 60 wt % and having an iodine value of 120 or less, wherein a difference ?d (?d=d90?d50) between a volume cumulative 90% particle size (d90) of the rubber particles and volume cumulative 50% particle size (d50) of the rubber particles which are measured by a light scattering method is 0.0240 ?m or more is provided.
    Type: Grant
    Filed: December 18, 2015
    Date of Patent: May 15, 2018
    Assignee: ZEON CORPORATION
    Inventors: Sayaka Inoue, Tomonori Nakashima
  • Patent number: 8981006
    Abstract: The present invention is a method for manufacturing a rubber composition containing a rubber component, a resin, a reinforcing filler and a crosslinking agent, and the method contains: a first step of adding the resin to the rubber component to produce a master batch; a second step of kneading the master batch with the reinforcing filler to produce a filled master batch; and a third step of kneading the filled master batch with the crosslinking agent, thereby providing a rubber composition having higher elasticity and large breaking elongation.
    Type: Grant
    Filed: August 19, 2011
    Date of Patent: March 17, 2015
    Assignee: Bridgestone Corporation
    Inventors: Reiko Yagi, Kumi Fujiki
  • Publication number: 20140371374
    Abstract: Provided is a molding material which is well-balanced and superior in strength, toughness, and elastic modulus and has high molding characteristics. The molding material includes: a phenolic resin; a carbon fiber; and one or more elastomers selected from the group consisting of polyvinyl butyral, vinyl acetate, and acrylonitrile butadiene rubber.
    Type: Application
    Filed: September 6, 2012
    Publication date: December 18, 2014
    Applicant: SUMITOMO BAKELITE CO., LTD.
    Inventor: Masaaki Nishimura
  • Publication number: 20140228495
    Abstract: Provided are a rubber composition for a tire cord topping, a breaker edge strip, a breaker cushion, or a strip adjacent to cords, which achieves a balanced improvement in handling stability, fuel economy, durability, ride quality, and adhesion; and pneumatic tires including the same. The rubber composition includes: an isoprene-based rubber; a phenol resin and/or an alkylphenol resin; and a partial condensate of HMMM and/or a partial condensate of HMMPME, wherein an amount of the isoprene-based rubber is 60% by mass or higher per 100% by mass of the rubber component; and a combined amount of the phenol resin and the alkylphenol resin is 2-3.9 parts by mass, a combined amount of the partial condensate of HMMM and the partial condensate of HMMPME is 0.5-5 parts by mass, and an amount of silica is at most 15 parts by mass, each per 100 parts by mass of the rubber component.
    Type: Application
    Filed: August 31, 2012
    Publication date: August 14, 2014
    Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventor: Tatsuya Miyazaki
  • Publication number: 20140199549
    Abstract: A resin composition which has low stress, and good adhesive property in high temperature and high moisture environments and which is useful in adhesive applications in low stress, high moisture sensitivity level electronic packages. Preferably, a flexible epoxy anhydride adduct modified solid bismaleimide and solid benzoxazine resin composition that can survive high temperature and high moisture conditions and maintain good adhesion strength and minimize the stress resulting from a coefficient of thermal expansion mismatch between a silicon die and a substrate which is Ball Grid Array solder mask or a smart card polyethylene terephthalate or silver or copper metal lead frame.
    Type: Application
    Filed: July 28, 2011
    Publication date: July 17, 2014
    Applicant: PROTAVIC KOREA CO., LTD.
    Inventor: Yun Kil Shin
  • Publication number: 20140088224
    Abstract: The invention relates to a tire with tread of a rubber composition containing a functionalized elastomer and pre-hydrophobated precipitated silica reinforcement.
    Type: Application
    Filed: September 26, 2012
    Publication date: March 27, 2014
    Inventors: Paul Harry Sandstrom, John Joseph Andre Verthe, William Paul Francik, Kenneth William Smesko
  • Publication number: 20140080965
    Abstract: Described herein are alkyl phenolic resins and methods of producing them. The content of residual phenol in the alkyl phenolic resin may be less than about 2% w/w, the softening point of the alkyl phenolic resin may be about 85° C. to about 105° C., the tackiness of the alkyl phenolic resin may be about 8 N to about 25 N, the alkyl group of the alkyl phenol may have 6-12 carbon atoms, and the content of 4-(1,1,3,3-tetramethylbutyl) phenol in the alkyl phenol may be from about 0% to about 85% w/w. The invention also relates to a use of the alkyl phenolic resin as rubber tackifier.
    Type: Application
    Filed: October 28, 2013
    Publication date: March 20, 2014
    Applicant: Sino Legend (Zhangjiagang) Chemical Co. Ltd.
    Inventors: Fan Yunfeng, Yang Quanhai
  • Publication number: 20130274360
    Abstract: The invention is related to a process for preparing a vulcanizable rubber composition comprising at least one elastomeric polymer, at least one phenol formaldehyde resin cross-linker, an activator package, and at least one activated zeolite, and a vulcanizable rubber composition prepared by said process. The invention also relates to a process for the manufacture of a vulcanized article comprising the steps of preparing a vulcanizable composition by the process mentioned before, shaping, and vulcanizing the vulcanizable rubber composition. The invention further relates to a vulcanized article.
    Type: Application
    Filed: April 9, 2013
    Publication date: October 17, 2013
    Applicant: LANXESS ELASTOMERS B.V.
    Inventors: Philip James HOUGH, Martin VAN DUIN
  • Publication number: 20130074718
    Abstract: A laser-engraveable flexographic printing precursor or patternable element comprises a laser-engraveable layer having two orthogonal dimensions. This laser-engraveable layer comprises one or more elastomeric resins and non-metallic fibers that are oriented in the laser-engraveable layer predominantly in one of its two orthogonal dimensions. The non-metallic fibers have an average length of at least 0.1 mm and an average diameter of at least 1 ?m. The oriented non-metallic fibers reduce curl and shrinkage in the precursor and improve print quality and press life.
    Type: Application
    Filed: September 27, 2011
    Publication date: March 28, 2013
    Inventors: Ido Gal, Ophira Melamed
  • Publication number: 20120264870
    Abstract: A composite prepared using a thermosettable epoxy resin composition having, as components: (1) an epoxy resin; (2) an epoxidized cycloaliphatic dicyclopentadiene phenolic resin; (3) an optional epoxidized bisphenol-A novolac resin; (4) an optional oligomeric butadiene; (5) an optional organic solvent; and (6) an alkylphenol novolac resin, the alkylphenol novolac resin serving as a curing agent. The composite so prepared may have good physical properties and superior a electrical properties as compared to conventional composites, such as laminates. The prepregs used to make the laminates may have a better surface appearance as well.
    Type: Application
    Filed: April 9, 2012
    Publication date: October 18, 2012
    Inventor: Charles David Shirrell
  • Publication number: 20120245257
    Abstract: This invention provides a pellet derived from recycled waste products in particular from a mixture of two or more of cellulose fibers, recyclable plastic, glass and ceramics and other recyclable products such as tetra paks. The pellets can be used to make a variety of extruded or injection molded products including household trim and moldings, decking, shutters, etc.
    Type: Application
    Filed: August 26, 2010
    Publication date: September 27, 2012
    Applicant: GLOBAL PATENTED TECHNOLOGIES INC.
    Inventor: Carlo Fascio
  • Publication number: 20120225963
    Abstract: The invention is related to a vulcanizable rubber composition comprising an elastomeric polymer, a phenol formaldehyde resin cross-linker, and an activator package characterized in that the vulcanizable rubber composition comprises an activated zeolite. The invention also relates to a process for the manufacture of a vulcanized article comprising the steps of preparing a vulcanizable rubber composition, shaping the vulcanizable rubber composition and vulcanizing the shaped rubber composition. The invention further relates to a vulcanized article.
    Type: Application
    Filed: October 7, 2011
    Publication date: September 6, 2012
    Applicant: LANXESS ELASTOMERS B.V.
    Inventors: Van Martin Duin, Philip James Hough
  • Publication number: 20120130005
    Abstract: A latex of a highly saturated nitrile rubber comprising ?,?-ethylenically unsaturated nitrile monomer units in 30 to 55 wt %, acid-group-containing ?,?-ethylenically unsaturated monomer units in 3 to 20 wt %, wherein an iodine value is 120 or less, and a tetrahydrofuran insoluble fraction is 30 to 70 wt % and an adhesive composition containing this latex of the highly saturated nitrile rubber are provided.
    Type: Application
    Filed: July 23, 2010
    Publication date: May 24, 2012
    Inventors: Osamu Senda, Tomonori Nakashima
  • Publication number: 20120118500
    Abstract: An object of the present invention is to improve the fluidity of a thermosetting powder adhesive and clear the blocking with a powder adhesive in a constant amount supplying apparatus or a delivery pathway. The present invention has attained the object by a powder adhesive containing a thermosetting adhesive particle and an inorganic filler present on the surface of the thermosetting adhesive particle.
    Type: Application
    Filed: September 29, 2010
    Publication date: May 17, 2012
    Applicant: AKEBONO BRAKE INDUSTRY CO., LTD.
    Inventors: Akinori Hashimoto, Hiroshi Idei, Hidetoshi Hishinuma
  • Publication number: 20120101211
    Abstract: Provided is a rubber composition that comprises a rubber component of at least one of natural rubber and synthetic rubber and a resin composition containing a novolak-type resorcin resin and a resol-type phenolic resin in which the content of the dimethylene ether group is within a specific range. Not using hexamethylenetetramine or hexamethoxymethylmelamine as a curing agent, the curability and the thermal stability of the resin composition have been enhanced; and the rubber composition has characteristics of high elasticity, large elongation at breakage and low heat generation. Also provided is a tire which comprises the rubber composition in the tire bead part thereof and, therefore, has improved durability in use thereof while concerning for the environmental safety.
    Type: Application
    Filed: March 30, 2010
    Publication date: April 26, 2012
    Applicant: Bridgestone Corporation
    Inventors: Kumi Fujiki, Kazuhiro Maekawa
  • Patent number: 8124683
    Abstract: A polycarbonate resin composition of the present invention comprises (A) about 30 to about 95 parts by weight of thermoplastic polycarbonate resin; (B) about 1 to about 50 parts by weight of rubber-modified-vinyl graft copolymer; (C) about 0 to about 50 parts by weight of vinyl copolymer; and (D) about 1 to about 50 parts by weight of amorphous thermoplastic polyester copolymer. The resin composition of the present invention can have excellent physical properties such as weld line strength, fluidity, impact resistance, and heat resistance.
    Type: Grant
    Filed: November 10, 2009
    Date of Patent: February 28, 2012
    Assignee: Cheil Industries Inc.
    Inventors: Hyuk Jin Jung, Jong Cheol Lim
  • Publication number: 20120045900
    Abstract: The invention provides a composition for a resist underlayer film, the composition for a resist underlayer film to form a resist underlayer film of a multilayer resist film used in lithography, wherein the composition comprises at least (A) a fullerene derivative that is a reaction product of a substance having a fullerene skeleton with a 1,3-diene compound derivative having an electron-withdrawing group and (B) an organic solvent. There can be a composition for a resist underlayer film for a multilayer resist film used in lithography, the composition giving a resist underlayer film having excellent high dry etching resistance, capable of suppressing wiggling during substrate etching with high effectiveness, and capable of avoiding a poisoning problem in upperlayer patterning that uses a chemical amplification resist; a process for forming a resist underlayer film; a patterning process; and a fullerene derivative.
    Type: Application
    Filed: July 14, 2011
    Publication date: February 23, 2012
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Takeru WATANABE, Toshihiko FUJII, Takeshi KINSHO, Tsutomu OGIHARA
  • Publication number: 20110207378
    Abstract: A method of using at least one polymerisable resin R1 is disclosed. According to some aspects, the resin R1 is selected from the group consisting of epoxidised polybutadiene resins, epoxidised polyisoprene resins, epoxidised polysiloxane resins, epoxidised triglyceride resins and epoxidised polyether resins. The resin R1 having at the non-polymerised state a total mass loss (TML) value lower than about 10%, a recovered mass loss (RML) value lower than about 10%, and a collected volatile condensable material (CVCM) value lower than about 1%, as determined in accordance with standard ECSS-Q-70-02A of the European Space Agency. The resin R1 also characterized by an epoxide equivalent weight of about 100 to 600 g/mole. The resin is configured for the manufacture of a composite material for use in space, and more specifically, a composite material of a Gossamer structure. Polymerisable resin compositions are also disclosed which are useful in the manufacture of composite materials for use in space.
    Type: Application
    Filed: August 26, 2009
    Publication date: August 25, 2011
    Applicants: ASTRIUM SAS, UNIVRSITE DE REIMS, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
    Inventors: Brigitte Defoort, Roman Mahias, Dominiqu Lacour, Xavier Coqueret, Marion Mille
  • Patent number: 8003727
    Abstract: Disclosed herein is a scratch resistant flame retardant thermoplastic resin composition comprising: 100 parts by weight of a base resin comprising (A) about 1 to about 99% by weight of a polycarbonate resin and (B) about 99 to about 1% by weight of a modified methacrylate resin; and (C) about 1 to about 50 parts by weight of a flame retardant.
    Type: Grant
    Filed: December 6, 2007
    Date of Patent: August 23, 2011
    Assignee: Cheil Industries Inc.
    Inventors: Bok Nam Jang, In Chul Jung, Hee Jung Park, Doo Han Ha, Jin Hwan Choi
  • Patent number: 7820747
    Abstract: An aqueous composition that includes (A) a butadiene polymer latex that is prepared by an emulsion polymerization in the presence of a styrene sulfonate stabilizer and (B) a phenolic resin. A preferred aqueous butadiene polymer latex is one that is prepared by emulsion polymerization of at least 60 weight percent dichlorobutadiene monomer (based on the amount of total monomers used to form the butadiene polymer), in the presence of a styrene sulfonate stabilizer.
    Type: Grant
    Filed: October 22, 2007
    Date of Patent: October 26, 2010
    Assignee: Lord Corporation
    Inventors: Helmut W. Kucera, Thomas Rizzo
  • Patent number: 7750072
    Abstract: The present invention provides compositions such as a polymer grout, a molded plastic part, a void-filling plastic material, a concrete-anchoring material and a polymeric casting made from a thermosetting polymer chosen from vulcanized rubbers, polyoxybenzylmethylen-glycolanhydride (“Bakelite”), novolac resins, resole phenolic resins, duroplast, bismaleimide resins, polyimide resins, melamine, acrylic resins, polyester resins, cyanate ester resins, phenolic triazine resins, paracyclophane resins and epoxy resins and at least one phase change material (“PCM”). The compositions of the present invention have a lowered exotherm compared to compositions made from the same thermosetting polymer without the addition of a phase change material. Also provided are improved processes for producing the inventive compositions.
    Type: Grant
    Filed: November 27, 2006
    Date of Patent: July 6, 2010
    Assignees: Bayer MaterialScience LLC, de neef Construction Chemicals, Inc.
    Inventors: James A. Thompson-Colon, Brian Iske
  • Publication number: 20100151173
    Abstract: Polyamide materials having high fluid, e.g., gas, and liquid barrier properties are useful as articles for containing or conveying fluids, in particular tubes, ducts or tanks.
    Type: Application
    Filed: April 24, 2008
    Publication date: June 17, 2010
    Inventor: Nicolangelo Peduto
  • Publication number: 20100087584
    Abstract: Described herein is a composition preparation process of forming an unkneaded mixture of (a) 100 parts by weight of an ethylene-?-olefin-unconjugated polyene copolymer rubber synthesized with a metallocene catalyst, (b) 20 to 350 parts by weight of a crystalline olefin resin, (c) 2 to 25 parts by weight of an alkylphenol-formaldehyde resin, and (d) 5 to 120 parts by weight of at least one polymer selected from the group consisting of a copolymer of a vinyl aromatic compound with a conjugated diene compound, a hydrogenated copolymer obtained by hydrogenating a copolymer of a vinyl aromatic compound with a conjugated diene compound, and a hydrogenated polymer obtained by hydrogenating a polymer of a conjugated diene compound, and kneading the formed unkneaded mixture to form a thermoplastic elastomer composition. This process produces a composition that is excellent in compression set and oil resistance at high temperatures and in flexibility and moldability.
    Type: Application
    Filed: December 7, 2009
    Publication date: April 8, 2010
    Applicant: RIKEN TECHNOS CORPORATION
    Inventor: Naoyuki ONO
  • Publication number: 20090043039
    Abstract: A carbon black reinforced rubber composition which contains hydrophilic sorbitan monostearate and specialized tackifying resin and a pneumatic rubber tire having a visually observable rubber component, such as for example a rubber sidewall, of said rubber composition. The surface of said rubber composition, namely the tire sidewall rubber component, in its uncured state contains said hydrophilic sorbitan monostearate on its surface together with said specialized tackifying resin to promote enhanced building tack and thereby counteract building tack loss by the sorbitan monostearate having been exposed to moisture (moisture exposed surface) during the processing of the rubber composition, particularly after its high shear processing such as, for example, extrusion.
    Type: Application
    Filed: August 6, 2007
    Publication date: February 12, 2009
    Inventor: Paul Harry Sandstrom
  • Patent number: 7393889
    Abstract: The rubber modified polystyrene resin composition with high gloss and impact resistance according to the present invention is prepared by (i) polymerizing a solution consisting of about 80 to 95% by weight of styrene (A) and about 5 to 20% by weight of polybutadiene rubber (B) with a clay material at a temperature of about 90 to 150° C. in a first reactor so as to disperse at least two different sizes of polybutadiene rubber particles in the matrix of polystyrene, and (ii) inputting the resulting solution of the step (i) to a second reactor being kept at about 130 to 180° C. to terminate the polymerization.
    Type: Grant
    Filed: December 27, 2001
    Date of Patent: July 1, 2008
    Assignee: Cheil Industries Inc.
    Inventor: Jae Goo Doh
  • Patent number: 7326748
    Abstract: The subject invention discloses a thermoplastic composition which is comprised of a blend of a thermoplastic resin and an elastomer, wherein said thermoplastic resin is selected from the group consisting of polyphenylene ether and polystyrene, wherein said elastomer is comprised of a conjugated diene selected from 1,3-butadiene and isoprene, wherein said elastomer is highly branched, wherein said elastomer is characterized by having a G? and G? frequency crossover of no more than 4 radians/s at 100° C., wherein the thermoplastic resin is present in an amount which is within the range of about 5 parts by weight to about 95 parts by weight, and wherein the elastomer is present in an amount which is within the range of about 5 parts by weight to about 95 parts by weight, based upon the total weight of the thermoplastic composition.
    Type: Grant
    Filed: June 14, 2004
    Date of Patent: February 5, 2008
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Manoj Ajbani, Christopher Kiehl, Thierry Florent Edme Materne
  • Patent number: 7109265
    Abstract: A method for bonding two substrates that includes applying an autodepositable adhesive to one of the substrates and then bonding the substrates together. This method is especially useful for bonding elastomers to metals. According to a first embodiment, the autodepositable adhesive is a one coat adhesive having a low pH (approximately 1-3) and including (A) a flexibilizer or film-former, (B) optionally, an aqueous dispersion of a phenolic resin that includes water and a reaction product of a phenolic resin precursor, a modifying agent and, optionally, a multi-hydroxy phenolic compound wherein the modifying agent includes at least one functional moiety that enables the modifying agent to react with the phenolic resin precursor and at least one ionic moiety, and (C) an acid.
    Type: Grant
    Filed: November 26, 2002
    Date of Patent: September 19, 2006
    Assignee: Lord Corporation
    Inventors: Helmut W. Kucera, Douglas H. Mowrey, Rebecca S. Cowles
  • Patent number: 6752866
    Abstract: The mechanical property known as “strength at young ages” of cement matrices or hydraulic binders may be significantly improved by adding dispersions of mineral fillers and dispersing agents. The dispersing agents of the present invention comprise copolymers prepared by the radical copolymerization of at least one alkoxy-, aryloxy-, alkylaryloxy- or arylalkyloxy-polyalkylene glycol ethylenic urethane monomer with at least one anionic monomer and at least one non-ionic monomer, and optionally, an alkoxy-, aryloxy-, alkylaryloxy- or arylalkyloxy-polyalkylene glycol acrylate or methacrylate or an alkyloxy-, aryloxy-, alkylaryloxy- or arylalkyloxy-polyalkylene glycol allyl ether, and/or a crosslinking agent.
    Type: Grant
    Filed: October 25, 2001
    Date of Patent: June 22, 2004
    Assignee: Coatex, S.A.S.
    Inventors: Pascal Gonnon, Yves Kensicher, Christian Jacquemet
  • Publication number: 20040092649
    Abstract: Stable, colourless diene rubbers stabilised with phenolic compounds are produced by adding one or more phenolic compounds (stabilisers) to the polymer blend in a subsequent process step after polymerisation of the monomers used and adjusting the pH value and oxygen content such that the polymer blend displays a pH value in the range from 4 to 11 and the oxygen content is 0 to 0.3 ppm, relative to the water content of the polymer blend.
    Type: Application
    Filed: April 2, 2003
    Publication date: May 13, 2004
    Inventors: Heinz-Dieter Brandt, Martina Brandt, Franziska Hanne Brandt, Inken Margarethe Brandt, Rolf Peter, Bernd Stollfuss
  • Patent number: 6723778
    Abstract: An aqueous composition that includes (A) a butadiene polymer latex that is prepared by an emulsion polymerization in the presence of a styrene sulfonate stabilizer and (B) a phenolic resin. A preferred aqueous butadiene polymer latex is one that is prepared by emulsion polymerization of at least 60 weight percent dichlorobutadiene monomer (based on the amount of total monomers used to form the butadiene polymer), in the presence of a styrene sulfonate stabilizer.
    Type: Grant
    Filed: March 20, 2002
    Date of Patent: April 20, 2004
    Assignee: Lord Corporation
    Inventors: Helmut W. Kucera, Thomas Rizzo
  • Patent number: 6716907
    Abstract: A phenolic molding composition containing 40 to 100 parts by weight of inorganic fiber, 30 to 90 parts by weight of natural silica powder with a mean particle size of from 20 to 150 &mgr;m, and 1 to 15 parts by weight of a rubber component, as main components, in 100 parts by weight of resol-based phenolic resin. Preferably, the inorganic fiber contains 50% or more by weight of glass fiber. Further preferably, the natural silica powder is shaped like pulverized powder. A pulley is molded of a phenolic molding composition defined above.
    Type: Grant
    Filed: December 27, 2001
    Date of Patent: April 6, 2004
    Assignee: Koyo Seiko Co., Ltd.
    Inventors: Keiji Asai, Hirokazu Arai
  • Patent number: 6660794
    Abstract: A reinforced thermoplastic composition includes specific amounts of a poly(arylene ether), a homopolymer of an alkenyl aromatic monomer, a polyolefin, a hydrogenated block copolymer with a high styrene content, an unhydrogenated block copolymer, and, glass fibers. The composition exhibits extremely high stiffness while maintaining high impact strength.
    Type: Grant
    Filed: November 1, 2001
    Date of Patent: December 9, 2003
    Assignee: General Electric Company
    Inventors: Adeyinka Adedeji, Thomas J. Hartle, John C. Haylock
  • Patent number: 6506830
    Abstract: This antistatic polyamide composition, comprising at least one polyamide and a sufficient amount of carbon black to make it antistatic, is characterized by the fact that the carbon black is at least a carbon black that is selected from among those having a specific BET surface area, measured according to ASTM Standard D 3037-89, from 5 to 200 m2/g, and DBP absorption, measured according to ASTM Standard D 2414-90, from 50 to 300 ml/100 g.
    Type: Grant
    Filed: October 6, 2000
    Date of Patent: January 14, 2003
    Assignee: Atofina
    Inventors: Philippe Bussi, Frédérique Pery, Jacques Thomasset
  • Patent number: 6451902
    Abstract: A nitrite polymer vulcanizate having improved hot air aging characteristics is described. The nitrile polymer vulcanizate may be produced admixing a composition comprising: (i) a nitrite polymer; (ii) a filler; (iii) an additive selected from the group comprising a strong base, a salt of a strong base and a weak acid, a salt of a weak acid, a carbodiimide, a polycarbodiimide and mixtures thereof; and (iv) a vulcanization system. A vulcanizable composition useful for producing such a vulcanizate and a method for improving the hot air aging characteristics of a nitrite polymer are also described.
    Type: Grant
    Filed: March 20, 2001
    Date of Patent: September 17, 2002
    Assignee: Bayer Inc.
    Inventor: Ezio Campomizzi
  • Patent number: 6284830
    Abstract: The molding composition comprises components A, B and, if desired, components C to E, the total weight of which is 100% by weight: a: as component A, from 5 to 95% by weight of a random copolyamide made from a1: from 95.1 to 99.9% by weight of component A1 made from equimolar amounts of at least one linear aliphatic diamine and at least one linear aliphatic dicarboxylic acid a2: from 0.1 to 4.
    Type: Grant
    Filed: July 15, 1998
    Date of Patent: September 4, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Axel Gottschalk, Stefan Grutke, Gunter Pipper, Peter Wolf, Martin Weber
  • Patent number: 6214922
    Abstract: A nitrite polymer vulcanizate having improved hot air aging characteristics is described. The nitrite polymer vulcanizate may be produced admixing a composition comprising: (i) a nitrite polymer; (ii) a filler; (iii) an additive selected from the group comprising: a strong base, a salt of a strong base and a weak acid, a salt of a weak acid, a carbodiimide, a polycarbodiimide and mixtures thereof; and (iv) a vulcanization system. A vulcanizable composition useful for producing such a vulcanizate and a method for improving the hot air aging characteristics of a nitrite polymer are also described.
    Type: Grant
    Filed: March 3, 1999
    Date of Patent: April 10, 2001
    Assignee: Bayer Inc.
    Inventor: Ezio Campomizzi
  • Patent number: 6153686
    Abstract: A high modulus composition based on a mixture of a hydrogenated acrylonitrile butadiene rubber which has been modified with either zinc methacrylate or a combination of zinc oxide and methacrylic acid and an unmodified hydrogenated acrylonitrile butadiene rubber for use in high load-bearing synchronous drive belts and belts made therewith.
    Type: Grant
    Filed: March 11, 1999
    Date of Patent: November 28, 2000
    Assignee: The GoodYear Tire & Rubber Company
    Inventors: Daniel Stanley Granatowicz, Matthew Thomas Morris, Mervin Victor Pilkington, Gary Richard Tompkin
  • Patent number: 6153715
    Abstract: A propylene resin composition composed of a nucleating agent and a propylene resin having a melt index (MI) of not greater than 1.2 g/10 min and satisfying a relationship between elongational viscosity (.eta..sub..EPSILON.) and melt index (MI) represented by2.0.times.10.sup.5 .times.MI.sup.-0.68 .gtoreq..eta..sub..EPSILON. .gtoreq.1.5.times.10.sup.5 MI .times.MI.sup.-0.68.The composition is endowed with high-rigidity, has excellent drawdown resistance, ensures practical discharge rate during blow-molding at low resin temperature of 220.degree. C. or less, and enables high-productivity production of large-sized blow-molded parts featuring light weight, excellent rigidity, dimensional stability, and heat resistance. Blow-molding of the propylene resin composition provides a blow-molded article which is advantageously used as, particularly, a large-sized automobile part, such as a bumper, a bumper beam, a seat back, an instrument panel, or a like part.
    Type: Grant
    Filed: September 17, 1998
    Date of Patent: November 28, 2000
    Assignee: Idemitsu Petrochemical Co., Ltd.
    Inventors: Tetsuya Nakamura, Masaya Tsubokawa
  • Patent number: 6130044
    Abstract: A highly specific surface for biological reactions, which includes a support with at least one essentially compact layer of an organic compound. On the outside of the organic compound layer is an exposed group containing an ethylenic double bond, which has affinity for a molecule with biological activity under certain reaction conditions. The other elements of the organic compound layer are essentially inaccessible to the molecule with biological activity under the reaction conditions.
    Type: Grant
    Filed: May 26, 1998
    Date of Patent: October 10, 2000
    Assignee: Institut Pasteur and Centre National de la Recherche Scientifique
    Inventors: David Bensimon, Aaron Bensimon, Fran.cedilla.ois Heslot
  • Patent number: 6087435
    Abstract: A polystyrene-based resin composition, comprising (A) a styrene-based resin with a mainly syndiotactic configuration, (B) a polyolefin, and (C) rubber polymer particles as main components, exhibits excellent heat resistance and impact resistance.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: July 11, 2000
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Akikazu Nakano, Takashi Sumitomo, Keisuke Funaki, Toshikazu Ijitsu, Michihiro Sawada, Masahiko Kuramoto, Masakazu Suzuki
  • Patent number: 6051655
    Abstract: A composition amenable to injection molding and extrusion comprises a syndiotactic styrene resin, a thermoplastic resin such as a polyolefin and an inorganic filler optionally contains a rubber.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: April 18, 2000
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Akikazu Nakano, Takashi Sumitomo, Keisuke Funaki, Toshikazu Ijitsu, Michihiro Sawada, Masahiko Kuramoto, Masakazu Suzuki
  • Patent number: 6008287
    Abstract: An adhesive composition obtainable by blending a component (C) to components (A) and (B), wherein the weight ratio of (A)/(B) is from 95/5 to 40/60, and the amount of the component (C) is from 5 to 50 parts by weight based on 100 parts by weight of the total amount of the components (A) and (B):(A): a condensate of resorcinol and formaldehyde or a condensate of resorcinol, phenol and formaldehyde,(B): an aqueous emulsion containing an ethylene-vinyl acetate-based copolymer and the weight ratio of ethylene/vinyl acetate is from 3/97 to 40/60,(C): a formaldehyde-based hardening agent or a hexamethylenetetramine-based hardening agent.
    Type: Grant
    Filed: November 24, 1997
    Date of Patent: December 28, 1999
    Assignee: Sumitomo Chemical Co., Ltd.
    Inventors: Yutaka Shibata, Choji Tomizawa
  • Patent number: 5955531
    Abstract: An improved pneumatic tire having decreased rolling resistance employing at least one tire component selected from the group consisting of subtreads, black sidewall, body ply skims and bead fillers, prepared from a vulcanizable elastomeric composition having reduced hysteresis comprises from about 10 to 100 parts by weight of an elastomer comprising a plurality of polymer molecules, wherein substantially each polymer molecule contains at least one functional group at the site of initiation, and having a hysteresis reduction of at least about 10 percent compared to the same elastomer without a functional group on substantially each polymer molecule; from about 0 to 90 parts by weight of an elastomer having greater hysteresis than the elastomer having reduced hysteresis and selected from the group consisting of natural rubber, synthetic rubber and blends thereof; and, from about 20 to about 100 parts by weight of carbon black, per 100 parts of the elastomer.
    Type: Grant
    Filed: September 13, 1993
    Date of Patent: September 21, 1999
    Assignee: Bridgestone Corporation
    Inventor: Shingo Futamura
  • Patent number: 5856376
    Abstract: A tire puncture sealant containing water in an amount of from about 6% to about 64% by weight; ethylene glycol in an amount of from about 36% to about 94%; styrene butadiene latex in an amount of about 3%; polyethylene powder and ground rubber in an amount from about 3% to about 6%; a minor effective amounts of an alkali metal carbonate, a cellulosic thickener, an alkali metal nitrite and a corrosion inhibitor. The polyethylene powder and ground rubber are preferably surface-activated and include various particle sizes.
    Type: Grant
    Filed: March 3, 1997
    Date of Patent: January 5, 1999
    Assignee: NCH Corporation
    Inventor: Daniel W. Wong
  • Patent number: 5766762
    Abstract: A treating agent for bonding a polyester fiber and a chlorosulfonated polyolefin compound, which consists of a resorcinol/formaldehyde/latex mixture, wherein:1) the molar ratio of the resorcinol to the formaldehyde is from 1/0.1 to 1/5,2) the polymer component of the latex is a 2,3-dichlorobutadiene-containing polymer,3) the weight ratio of the solid content of the latex to the sum of the resorcinol and the formaldehyde is from 1/100 to 1/1,4) the amount of the 2,3-dichlorobutadiene-containing polymer solid content of the latex in the resorcinol/formaldehyde/latex mixture is from 5 to 50 wt %, and5) the amount of a surfactant in the resorcinol/formaldehyde/latex mixture is from 0.5 to 2.5 wt %.
    Type: Grant
    Filed: March 12, 1997
    Date of Patent: June 16, 1998
    Assignee: Tosoh Corporation
    Inventors: Yasumichi Miyagawa, Kenji Kuwata
  • Patent number: 5674933
    Abstract: There is a need for polymers which offer increased heat resistance, ultraviolet light resistance, and low fogging characteristics for utilization in automotive interiors. It is particularly critical for polymers which are utilized in making skin compounds for automotive instrument and door panels to display excellent heat resistance, ultraviolet light resistance, and low fogging characteristics.
    Type: Grant
    Filed: December 18, 1995
    Date of Patent: October 7, 1997
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Hung Dang Ngoc, Mariano Salazar
  • Patent number: 5612405
    Abstract: Described is an aqueous sprayable glass fiber binding composition comprising: a) an aqueous compatible formaldehyde thermosetting coating composition; and b) a compatible aqueous latex elastomeric composition. Also described are binder compositions that decrease fallout of glass fiber and binder from the coated glass fiber. Also disclosed is a glass fiber binder composition having low odor content.
    Type: Grant
    Filed: April 24, 1995
    Date of Patent: March 18, 1997
    Assignee: Schuller International, Inc.
    Inventors: David W. Bainbridge, James W. Stacy, Mario P. Tocci
  • Patent number: 5602198
    Abstract: Acid etch resistant coating compositions and their use as clear coats in color-plus-clear composite coatings is disclosed. The compositions comprise acrylic polymers prepared with high levels of cycloaliphatic or aromatic ester of (meth)acrylic acid and hydroxypropyl- or hydroxybutyl(meth)acrylates and aminoplast crosslinking agents.
    Type: Grant
    Filed: April 26, 1995
    Date of Patent: February 11, 1997
    Assignee: PPG Industries, Inc.
    Inventors: Suryya K. Das, Soner Kilic, Michael A. Mayo, Andrew J. Lauer