Aryl Group Patents (Class 524/170)
-
Patent number: 9000100Abstract: Suggested are solvent compositions, comprising (a) Carboxylic acid dialkyl amides (b) Fatty acids or their salts, and (c) Ethylene oxide-propylene oxide copolymers.Type: GrantFiled: March 5, 2011Date of Patent: April 7, 2015Assignee: Cognis IP Management GmbHInventors: Alefesh Hailu, Timothy H. Anderson
-
Patent number: 8716381Abstract: The present invention relates to the use of a molding composition for producing a feed container consisting essentially of a copolymer composed of (A) from 5 to 60% by weight of units of the formula (I) (B) from 40 to 95% by weight of units of the formula (II) where the total of the proportions by weight is 100% by weight, based on the copolymer, and where the demolding force of the molding composition is from 1800 to 2800 N.Type: GrantFiled: July 13, 2012Date of Patent: May 6, 2014Assignee: BASF SEInventors: Claudia Mettlach, Martin Weber, Christian Maletzko, Bernd Trotte
-
Publication number: 20130095268Abstract: Described are polyesters comprising (a) a dicarboxylic acid component comprising 2,5-furandicarboxylic acid residues; optionally, aromatic dicarboxylic acid residues and/or modifying aliphatic dicarboxylic acid residues and 1,4-cyclohexanedimethanol residues. The polyesters may be manufactured into articles such as fibers, films, bottles, coatings, or sheets.Type: ApplicationFiled: October 10, 2012Publication date: April 18, 2013Applicant: Eastman Chemical CompanyInventor: Eastman Chemical Company
-
Publication number: 20130095271Abstract: Described are polyesters comprising (a) a dicarboxylic acid component comprising 2,5-furandicarboxylic acid residues; optionally, aromatic dicarboxylic acid residues and/or modifying aliphatic dicarboxylic acid residues, ethylene glycol residues, and 1,4-cyclohexanedimethanol residues. The polyesters may be manufactured into articles such as fibers, films, bottles, coatings, or sheets.Type: ApplicationFiled: October 10, 2012Publication date: April 18, 2013Applicant: EASTMAN CHEMICAL COMPANYInventor: Eastman Chemical Company
-
Publication number: 20120088871Abstract: A flame-retardant compound has a structure represented by formula (2): (Ar2—O—CO—O—)nA2-X-A1(—O—CO—O—Ar1)m??(2) wherein A1 and A2 each independently represents a substituted or unsubstituted aromatic group; X represents a divalent group represented by —S—, —O—, —CO—, —CN—, —CH2—, —C(CH3)2—, —CH(CH3)—, —NH—, —SO— or —SO2— Ar1 and Ar2 each independently represents a substituted or unsubstituted phenyl group; and m and n each independently represents an integer of 1 to 3.Type: ApplicationFiled: December 20, 2011Publication date: April 12, 2012Applicant: FUJI XEROX CO., LTD.Inventors: Masato MIKAMI, Masayuki OKOSHI, Kazuya YAMANOI
-
Patent number: 8153229Abstract: Provided is an epoxy resin composition for fiber-reinforced composite materials, which serves as a matrix resin for a prepreg. This epoxy resin composition is improved in tackiness stability during storage, while maintaining mechanical characteristics. The epoxy resin composition for fiber-reinforced composite materials is characterized by containing 25 to 50 parts by weight of an amine curing agent (B) selected from aliphatic polyamines, alicyclic polyamines and aromatic polyamines, and 1 to 20 parts by weight of an organic acid dihydrazide compound (C) having a melting point of not less than 150° C., per 100 parts by weight of an epoxy resin (A).Type: GrantFiled: April 24, 2007Date of Patent: April 10, 2012Assignee: The Yokohama Rubber Co., Ltd.Inventors: Takashi Kousaka, Mitsuhiro Iwata, Tomohiro Ito
-
Patent number: 8142875Abstract: Provided is an epoxy resin composition for fiber-reinforced composite materials, which serves as a matrix resin composition for use in a self-adhesive prepreg for a face sheet of a honeycomb panel. The epoxy resin composition enables to increase self-adhesiveness of the prepreg, while improving workability and appearance quality of the prepreg. The epoxy resin composition is characterized by containing: an epoxy resin (A) which is in a liquid state at room temperature; a thermoplastic resin (B) which dissolves in the epoxy resin (A) at a temperature not less than 90° C.; thermosetting resin particles (C) which do not completely dissolve in the epoxy resin (A) at a temperature less than 90° C. and has a softening point of not less than 120° C.; and a curing agent (D).Type: GrantFiled: April 24, 2007Date of Patent: March 27, 2012Assignee: The Yokohama Rubber Co., Ltd.Inventors: Takashi Kousaka, Mitsuhiro Iwata, Tomohiro Ito
-
Patent number: 8137786Abstract: Provided is an epoxy resin composition for fiber-reinforced composite materials, which is improved in toughness necessary for improving the strength of self-adhesion of a matrix resin for use in a prepreg for a face sheet of a honeycomb panel. The epoxy resin composition, which comprises: an epoxy resin (A); a thermoplastic resin (B); fine solid resin particles (C); and a curing agent (D), is characterized in that the epoxy resin composition after being cured has a morphology in which the epoxy resin (A) and the thermoplastic resin (B) form co-continuous phases, and the fine solid resin particles (C) are dispersed in at least the continuous phase of the epoxy resin (A) in the co-continuous phases.Type: GrantFiled: April 24, 2007Date of Patent: March 20, 2012Assignee: The Yokohama Rubber Co., Ltd.Inventors: Takashi Kousaka, Tomohiro Ito, Mitsuhiro Iwata, Koichiro Miyoshi
-
Patent number: 7728059Abstract: A composition is disclosed having minimum halogen content, fire-retardance and/or drip-resistant characteristics. The composition comprises an effective amount of a polycarbonate, a glass fiber, a polysiloxane-polycarbonate copolymer, and a synergistic combination of an aromatic sulfone sulfonate such as potassium diphenylsulfone sulfonate with an aromatic sulfonate such as sodium salt of toluene sulfonic acid, optionally in the presence of an anti-drip agent. The polycarbonate composition is useful for manufacture of electronic and mechanical articles, among others.Type: GrantFiled: February 14, 2006Date of Patent: June 1, 2010Assignee: SABIC Innovative Plastics IP B.V.Inventors: Jing Chen, Hua Jiao, Yegang Lin, Jingwu Yang, XinMin Yang
-
Patent number: 7632881Abstract: A polycarbonate composition is disclosed having zero or minimum halogen content, while also exhibiting improved fire-retardance and/or drip-resistant characteristics. The composition comprises an effective amount of a polycarbonate, an anti-dripping agent, an aromatic sulfone sulfonate, an aromatic sulfonate, a synergistic combination of an elastomer-modified graft copolymer and a polysiloxane-polycarbonate copolymer, and an optional siloxane oligomer. The polycarbonate composition is useful for manufacture of electronic and mechanical articles, among others.Type: GrantFiled: June 22, 2006Date of Patent: December 15, 2009Assignee: SABIC Innovative Plastics IP B.V.Inventors: Jing Chen, Hua Jiao, Yegang Lin, Jingwu Yang, XinMin Yang
-
Publication number: 20090258146Abstract: Provision of an ink set for ink jet recording, which is capable of realizing a good image, in addition to high color developability, high ejection stability, high clogging recovering properties, and high fixability. An ink set including two or more kinds of ink compositions including at least a black ink composition and a color ink composition, in which the black ink composition includes a self-dispersion type pigment having a hydrophilic group on the surface thereof, the color ink composition includes a self-dispersion type pigment having a hydrophilic group on the surface thereof with a phenyl group, and all the ink compositions include resin emulsion, is used in an ink jet recording method.Type: ApplicationFiled: March 24, 2009Publication date: October 15, 2009Applicant: Seiko Epson CorporationInventors: Chie Saito, Miharu Kanaya
-
Patent number: 7553895Abstract: A thermoplastic polycarbonate composition is disclosed, in various embodiments, having enhanced low-temperature ductility, UV resistance and/or fire-retardance characteristics. The composition comprises a polycarbonate, and a combination of an elastomer-modified graft copolymer and a polysiloxane-polycarbonate copolymer. The polycarbonate composition is useful for manufacture of electronic and mechanical parts, among others.Type: GrantFiled: June 29, 2006Date of Patent: June 30, 2009Assignee: SABIC Innovative Plastics IP B.V.Inventors: Yuxian An, Jing Chen, Hua Jiao, Yegang Lin, Mahari Tjahjadi, XinMin Yang
-
Publication number: 20080058449Abstract: A fluoroplastic composition. The fluoroplastic composition includes a fluoroplastic; a silicone hot melt additive; and an optional filler. A method of processing the fluoroplastic composition is also disclosed.Type: ApplicationFiled: September 5, 2006Publication date: March 6, 2008Applicant: Dow Corning CorporationInventors: Lauren Marie Tonge, James Steven Tonge
-
Publication number: 20070299174Abstract: A polycarbonate composition is disclosed having zero or minimum halogen content, while also exhibiting improved fire-retardance and/or drip-resistant characteristics. The composition comprises an effective amount of a polycarbonate, an anti-dripping agent, an aromatic sulfone sulfonate, an aromatic sulfonate, a synergistic combination of an elastomer-modified graft copolymer and a polysiloxane-polycarbonate copolymer, and an optional siloxane oligomer. The polycarbonate composition is useful for manufacture of electronic and mechanical articles, among others.Type: ApplicationFiled: June 22, 2006Publication date: December 27, 2007Applicant: General Electric CompanyInventors: Jing Chen, Hua Jiao, Yegang Lin, Jingwu Yang, XinMin Yang
-
Method for improving the paint adhesion of compatibilized polyphenylene ether-polyamide compositions
Patent number: 6936652Abstract: Thermoplastic resin composition are provided that comprise a thermoplastic resin and an amount of antioxidant effective to increase the adhesion of paint to an article made from the composition. Also provided are methods to improve the paint adhesion of articles wherein the articles have been subjected to a temperature of at least about 330° F. for period of at least about 10 minutes. In a preferred embodiment, the antioxidant, also known as a stabilizer, or mixture of stabilizers is selected from the group consisting of the phenolic antioxidants, the 3-arylbenzofuranones, the hindered amine stabilizers, the ultraviolet light absorbers, the alkaline metal salts of fatty acids, the hydrotalcites, the epoxydized soybean oils, the hydroxylamines, the tertiary amine oxides, thermal reaction products of tertiary amine oxides, the thiosynergists, and mixture containing at least one of the foregoing.Type: GrantFiled: November 7, 2002Date of Patent: August 30, 2005Assignee: General Electric CompanyInventors: Antoinette C. M. van Bennekom, Josephus Gerardus M. van Gisbergen, Sai-Pei Ting -
Patent number: 6608115Abstract: Polyvinyl chloride resin compositions and methods of preparation and use thereof for increasing the degree of whiteness in finished polyvinyl chloride foam. The resin compositions contain sulfur compounds selected from sulfonic acid derivatives, sulfinic acid derivatives, and mercapto acetic acid sodium salt, and optionally contain water soluble salts and/or t-butyl hydroperoxide.Type: GrantFiled: January 21, 2003Date of Patent: August 19, 2003Assignee: Occidental Chemical CorporationInventors: Michael T. Moran, Thomas E. Moses, Sherry Rohn Clancy
-
Patent number: 6583229Abstract: The present invention provides a solid golf ball having exceptional rebound characteristics and flight performance, as well as good shot feel. The present invention relates to a solid golf ball comprising at least one layer of a core, and at least one layer of a cover formed on the core, wherein at least one of the layers of the core is formed by vulcanizing and press-molding a rubber composition comprising a base rubber, co-crosslinking agent, organic peroxide, filler and specific organic sulfur compound which contains substituent groups having a substituent constant of not less than 1.42.Type: GrantFiled: May 24, 2001Date of Patent: June 24, 2003Assignee: Sumitomo Rubber Industries, Ltd.Inventors: Satoshi Mano, Masatoshi Yokota, Kiyoto Maruoka, Seigou Sakagami, Tetsuo Yamaguchi
-
Patent number: 6462114Abstract: A process for forming a microgel which comprises a crosslinked core and a multiplicity of linear polymeric arms attached to the core, wherein the process comprises (a) first forming a halogen atom terminated prepolymer with a weight average molecular weight from 1,000 to 25,000 by polymerizing monoethylenically unsaturated monomers in the presence of an organic sulfonyl halide, an organic complexing agent and a transition metal (i.e., Cu, Ru, Ni, Re, Pd, Fe, or Rh); and (b) subsequently polymerizing the prepolymer with a mixture of monoethylenically unsaturated monomers and 0.5 to 60 mole percent, based on the total moles of monomer and prepolymer, of multi-olefinic polymerizable monomers to form a microgel with a weight average molecular weight of 10,000 to 100,000,000 and crosslinked core.Type: GrantFiled: October 3, 2001Date of Patent: October 8, 2002Assignee: E. I. du Pont de Nemours and CompanyInventors: Charles T. Berge, Michael Fryd, Jeffrey W. Johnson, Graeme Moad, Ezio Rizzardo, Christopher Scopazzi, San Hoa Thang
-
Publication number: 20020002223Abstract: An adhesive composition having dispersed therein a broad spectrum antimicrobial agent for use in medical applications, such as an adhesive for surgical drapes, wound dressings and tapes. The adhesive is composed of acrylic polymers, tackifiers and a preferred antimicrobial agent, diiodomethyl-p-tolylsulfone. The adhesive composition is essentially solventless and capable of application in a hot melt process while maintaining stability at elevated temperatures in the range of 275° F. to 350° F., which not only allows hot melt application, but allows for ethylene oxide sterilization under heat stress.Type: ApplicationFiled: April 17, 2001Publication date: January 3, 2002Inventors: David D. Cox, Robert E. Lund, Leland W. Annett
-
Patent number: 6306209Abstract: A pigment dispersion comprising pigment, an aqueous carrier selected from water and a mixture of water and at least one organic solvent, and a pigment dispersant is described. The pigment dispersant is prepared by polymerizing (i) at least one prepolymer having a radically polymerizable group, and (ii) at least one second monomer. The prepolymer is prepared by controlled radical polymerization, e.g., atom transfer radical polymerization, of at least one radically polymerizable first monomer. The second monomer forms a polymeric backbone segment of the pigment dispersant, and the prepolymer forms polymeric segments that are pendent to the backbone. The backbone segment of the pigment dispersant is hydrophilic, while at least a portion of each pendent polymeric segment is hydrophobic.Type: GrantFiled: December 16, 1999Date of Patent: October 23, 2001Assignee: PPG Industries Ohio, inc.Inventors: Brian E. Woodworth, Gregory J. McCollum, James B. O'Dwyer, Simion Coca
-
Patent number: 6194499Abstract: The adhesive composition (34) in accordance with the invention for the hot bonding of substrates (32, 33), polymers or metals, comprises at least one polymer material, at least one plasticiser and wetting agent, and, possibly, at least one solvent, and its operating temperature is lower than the temperature at which the substrates (32, 33) degrade and lower than the melting temperature of polymer material. Application for making aeronautical quality sandwich structures, particularly for helicopter rotors.Type: GrantFiled: July 27, 1998Date of Patent: February 27, 2001Assignee: EurocopterInventors: Georges Magnin, Jean-Marc Berthier, Hélène Sibois
-
Patent number: 5936007Abstract: The present invention provides polycarbonate moulding compositions containing polycarbonates, stabilisers of the general formula (I)R.sub.1 --X--(CHR.sub.4).sub.n --Y--R.sub.2and optionally polypropylene glycols.The present invention also provides use of these moulding compositions for preparing items for medical applications.Type: GrantFiled: July 14, 1998Date of Patent: August 10, 1999Assignee: Bayer AGInventors: Wolfgang Ebert, Ralf Hufen, Heidemarie Pantke, Klaus Berg
-
Patent number: 5919850Abstract: This invention provides an ultraviolet ray absorbing polymer particle which includes a first ultraviolet particle which includes a first ultraviolet ray absorber represented by formula I: ##STR1## and a second ultraviolet ray absorber represented by formula II: ##STR2##Type: GrantFiled: March 12, 1997Date of Patent: July 6, 1999Assignee: Eastman Kodak CompanyInventors: Yongcai Wang, Dennis E. Smith, Kurt M. Schroeder
-
Patent number: 5852070Abstract: The present invention provides polycarbonate moulding compositions containing polycarbonates, stabilisers of the general formula (I)R.sub.1 --X--(CHR.sub.4).sub.n --Y--R.sub.2,where X and Y, are either ##STR1## , and Y may also be --S--, and optionally polypropylene glycols. The present invention also provides use of these moulding compositions for preparing items for medical applications.Type: GrantFiled: November 4, 1996Date of Patent: December 22, 1998Assignee: Bayer AGInventors: Wolfgang Ebert, Ralf Hufen, Heidemarie Pantke, Klaus Berg
-
Patent number: 5663223Abstract: A liner composition for a potable fluid container closure element which includes an inorganic sulfite such as sodium sulfite and/or a tocopherol compound such as dl-.alpha.-tocopherol (vitamin E) for preventing off-flavors due to the presence of aldehydes in the fluid. Also, a potable fluid container of a reservoir element for containing a potable fluid, the reservoir element having an opening, a closure element capable of being attached to the opening, and the liner composition associated with the closure element. Also, a method of improving the taste of a potable fluid such as bottled water by use of the container and one of the previously described liner compositions associated therewith. Also, an improved method for processing the composition into closure liners based upon the prevention of the development of off-flavor-causing substances therein.Type: GrantFiled: August 11, 1994Date of Patent: September 2, 1997Assignee: Zapata Technologies, Inc.Inventors: Fred N. Teumac, Mahmood R. Rassouli, Janine M. Rusnock, Anthony Irwin
-
Patent number: 5476889Abstract: A sealer or adhesive composition based on a polyoxyalkylene polymer having a silicon-containing hydrolyzable group, which has improved adhesion in a dried, cured state with a paint coating containing acrylic resins, acrylic-urethane resins, or urethane resins. The improvement involves the addition to such a sealer/adhesive composition of an alkylarylsulfonamide contained therein in an amount of least about 50 phr or more, by weight. The invention also pertains to a method applying and adhering a paint coating to such a sealer composition after it is dried.Type: GrantFiled: January 5, 1995Date of Patent: December 19, 1995Assignee: Minnesota Mining and Manufacturing CompanyInventor: Ian R. Owen
-
Patent number: 5439961Abstract: A process for producing a polyester film having a high strength and a high modulus of elasticity, which includes preparing a polyester resin composition comprising, adding to a polyester resin, 0.1 to 10 parts by weight, based on 100 parts by weight of the polyester resin, of an additive compound selected from the group consisting of compounds represented by the general formula (I): ##STR1## and compounds represented by the following general formula (II): ##STR2## and subjecting the resin composition to monoaxial or biaxial stretching.Type: GrantFiled: July 7, 1993Date of Patent: August 8, 1995Assignee: Kao CorporationInventors: Akito Itoi, Akira Takenaka, Isao Nishi
-
Patent number: 5331069Abstract: Poly(arylene sulfide sulfone) polymers recovered from a reaction mixture produced by contacting at least one haloaromatic sulfone, at least one sulfur source, and a polar organic compound at polymerization conditions are treated with (1) a haloaromatic sulfone mixture comprising at least one haloaromatic sulfone and a polar organic compound followed by contacting the polymer with (2) a zinc compound. The two-step treatment improves the melt stability and extrudate quality of the polymer.Type: GrantFiled: October 27, 1992Date of Patent: July 19, 1994Assignee: Phillips Petroleum CompanyInventors: Rex L. Bobsein, Earl Clark, Jr.
-
Patent number: 5328944Abstract: A cyanoacrylate monomer adhesive formulation which has improved thermal properties resulting from the inclusion in the formulation of an effective amount for enhancing the thermal resistance of the cured polymer of a sulfur containing compound of the formula: ##STR1## where R.sup.1 and R.sup.2 are, respectively, monovalent and divalent hydrocarbon groups which may be optionally substituted with halogen, NO.sub.2, oxo, CN, alkoxy, hydroxy, acyloxy or SO.sub.2 or interrupted by one or more ether oxygen atoms.Type: GrantFiled: July 14, 1992Date of Patent: July 12, 1994Assignee: Loctite CorporationInventors: Shabbir Attarwala, Philip T. Klemarczyk
-
Patent number: 5238983Abstract: Molding compounds based on a thermoplastically processible aromatic polyamide. Molding compounds with an improved stability toward thermal oxidation were attained in that the molding compounds in comparison to polyamides contain chemically inert compounds of the formula I ##STR1## The molding compounds according to the invention exhibit an excellent stability toward thermal oxidation.Type: GrantFiled: February 13, 1992Date of Patent: August 24, 1993Assignee: Huels AktiengesellschaftInventors: Gunter Poll, Jurgen Finke, Harald Modler
-
Patent number: 5026767Abstract: An antistatic aromatic polyimide article comprises an aromatic polyimide and a small amount of an antistatic agent. The antistatic agent is a sulfonate having the formula (I):R(SO.sub.3 M).sub.n (I)wherein R is a substituted or unsubstituted aryl group; M is an alkali metal; and n is 1 or 2; or a sulfinate having the formula (II):RSO.sub.2 M (II)wherein R and M have the same meanings as defined above.Type: GrantFiled: July 13, 1990Date of Patent: June 25, 1991Assignee: Ube Industries, Ltd.Inventors: Hiroshi Inoue, Tadashi Miura, Tetsuji Hirano
-
Patent number: 4996247Abstract: Compounds having defined functional groups are described which color stabilize aromatic carbonate polymers or blends therewith upon exposure to sterilizing radiation.Type: GrantFiled: October 20, 1989Date of Patent: February 26, 1991Assignee: General Electric CompanyInventors: Linda H. Nelson, Roger W. Avakian, Arnold Factor
-
Patent number: 4994512Abstract: Disclosed are poly-methine compounds having the formula: ##STR1## wherein R.sup.1 is an unsubstituted or substituted alkoxycarbonyl, cycloalkoxycarbonyl or aryloxycarbonyl radical; an unsubstituted or substituted carbamoyl radical; or an unsubstituted or substituted alkylsulfonyl, cycloalkylsulfonyl or arylsulfonyl radical, or an unsubstituted or substituted aryl radical;R.sup.2 is an unsubstituted or substituted alkyl, cycloalkyl or aryl radical;R.sup.3 is hydrogen, alkyl, --OR.sup.2 or halogen; andL is an organic linking group bonded by non-oxo carbon atoms to the oxygen atoms adjacent to L. Also disclosed are admixtures of about 100 to 10,000 ppm of at least one of the poly-methine compounds and certain condensation polymers. The resulting polymer compositions are useful to protect substrates or materials susceptible to degradation by ultraviolet light.Type: GrantFiled: May 1, 1989Date of Patent: February 19, 1991Assignee: Eastman Kodak CompanyInventors: Max A. Weaver, Clarence A. Coates, Wayne P. Pruett, Samuel D. Hilbert
-
Patent number: 4910243Abstract: Dinonylnaphthalene sulfonic acid, derivatives thereof and mixtures of any of them, are effective as dispersants for nonaqueous fluid compositions containing finely divided solid particles when added in an effective amount less than that necessary to act as a catalyst for any organic binder resin comprising an aminoplast and coreactants in the composition or in formulations made from the composition.Type: GrantFiled: December 23, 1987Date of Patent: March 20, 1990Assignee: King Industries, Inc.Inventors: Rudolph Berndlmaier, Richard J. Shain
-
Patent number: 4886847Abstract: Fast-crystallizing polyester compositions comprising a mixture consisting or consisting essentially of a polyester thermoplastic resin and of a nucleating agent selected from organic acid salts having the formula: ##STR1## wherein: R is an aromatic, cycloaliphatic or heterocyclic radical, optionally substituted in the ring;R.sub.1 and R.sub.2 may be hydrogen or an alkyl radical containing from 1 to 4 C;Me is an alkali or alkaline-earth metal, andn is zero or an integer from 1 to 3.Type: GrantFiled: June 13, 1988Date of Patent: December 12, 1989Assignee: Montefibre S.p.A.Inventors: Catia Bastioli, Vittorio Bellotti, Luciano Del Giudice
-
Patent number: 4880855Abstract: Compounds having defined sulfone functional groups are described which color stabilize aromatic carbonate polymers or blends therewith upon exposure to sterilizing radiation.Type: GrantFiled: December 22, 1987Date of Patent: November 14, 1989Assignee: General Electric CompanyInventors: Linda H. Nelson, Roger W. Avakian, Arnold Factor
-
Patent number: 4879346Abstract: Blends of a silicone-polycarbonate block copolymer with a compatibilized alloy of polyphenylene ether and polyester resins comprise a class of thermoplastic materials with physical properties ranging from those of a self-extinquishing, tough thermoplastic elastomer to a rigid engineering material. The compatibilizers include aromatic polycarbonates and rubber-modified impact modifiers.Type: GrantFiled: June 10, 1988Date of Patent: November 7, 1989Assignee: General Electric CompanyInventors: Richard C. Bopp, John B. Yates, III
-
Patent number: 4859729Abstract: Plasticized compositions are produced by intimately mixing (a) a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon and (b) an organic sulfone. Particularly preferred compositions comprise polymers of carbon monoxide and ethylene or polymers of carbon monoxide, ethylene and propylene, plasticized by the intimate presence therein of sulfolane.Type: GrantFiled: September 6, 1988Date of Patent: August 22, 1989Assignee: Shell Oil CompanyInventor: Edgar J. Smutny
-
Patent number: 4795773Abstract: Plasticized compositions are produced by intimately mixing (a) a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon and (b) an organic sulfone. Particularly preferred compositions comprise polymers of carbon monoxide and ethylene or polymers of carbon monoxide, ethylene and propylene, plasticized by the intimate presence therein of sulfolane.Type: GrantFiled: September 22, 1987Date of Patent: January 3, 1989Assignee: Shell Oil CompanyInventor: Edgar J. Smutny
-
Patent number: 4657956Abstract: Additives for rubber compositions, giving vulcanizates having improved retention of optimum physical properties, are compounds having the formula R--S--B--S--R where B is an organic bridging group and R is an electron-withdrawing group, for example CN, CCl.sub.3, a radical containing an activated methylene group linked to the sulphur atom or the enolic tautomer of a keto-activated methylene group. Also useful as stabilizing agents are oligomeric analogues of such compounds.Type: GrantFiled: September 13, 1985Date of Patent: April 14, 1987Assignee: Monsanto Europe, S. A.Inventors: Albert F. L. G. Devaux, Philippe G. Moniotte
-
Patent number: 4616056Abstract: Compositions comprising a poly(aryl ether ketone) having intimately dispersed therein, from about 0.1 to 5% sulfur, by weight, based on the weight of poly(aryl ether ketone), the sulfur present as at least one member of the class consisting of elemental sulfur, aliphatic and aromatic dithiols, polysulfides of the formula --R--S--S-- where R is a bivalent aliphatic or aromatic radical, and inorganic sulphides are useful because of their high tensile modulus, high-temperature adhesive properties, and dimensional stability. In a further embodiment the composition further contains a reinforcing filler such as glass or carbon fibers. In further embodiments the composition may be made into fibers or used as adhesives.Type: GrantFiled: May 16, 1985Date of Patent: October 7, 1986Assignee: Raychem CorporationInventors: Chi M. Chan, Adam C. Tanous
-
Patent number: 4595721Abstract: Additives for rubber compositions, giving vulcanizates having improved retention of optimum physical properties, are compounds having the formula R-S-B-S-R where B is an organic bridging group and R is an electron-withdrawing group, for example CN, CCl.sub.3, a radical containing an activated methylene group linked to the sulphur atom or the enolic tautomer of a keto-activated methylene group. Also useful as stabilizing agents are oligomeric analogues of such compounds.Type: GrantFiled: June 4, 1984Date of Patent: June 17, 1986Assignee: Monsanto Europe, S.A.Inventors: Albert F. L. G. Devaux, Philippe G. Moniotte
-
Patent number: 4481354Abstract: A process for modifying certain polyamides by use of a novel combination of an organic sulfone and a lithium halide as a processing aid to yield a modified polymer having thermal stability and a lowered melting point (lower than unmodified polymer).Type: GrantFiled: December 20, 1982Date of Patent: November 6, 1984Assignee: The Standard Oil CompanyInventors: Benedict S. Curatolo, Gerald P. Coffey
-
Patent number: 4477637Abstract: A flame resistant polycarbonate blend comprising an alkylated aromatic polycarbonate and a sulfur-bearing compound characterized in exhibiting V-0 flame resistance classification, according to UL-94, is provided. Further provided is a process for the preparation of such blend.Type: GrantFiled: August 27, 1980Date of Patent: October 16, 1984Assignee: Mobay Chemical CorporationInventor: Sivaram Krishnan
-
Patent number: 4407996Abstract: A composition comprising an aromatic carbonate polymer in admixture with an effective thermal stabilizing amount of a sulfone compound or a sulfonyl containing polymer.Type: GrantFiled: August 26, 1981Date of Patent: October 4, 1983Assignee: General Electric CompanyInventors: Stephen M. Cooper, Sheldon J. Shafer, John A. Tyrell
-
Patent number: 4352904Abstract: Polyethylene terephthalate resin compositions containing filler or reinforcing agent, a selected sodium or potassium salt of a hydrocarbon acid or a salt of a selected organic polymer containing pendant carboxyl groups, and a selected low molecular weight organic ester, ketone, sulfone, sulfoxide, nitrile or amide. Articles molded from the compositions have high gloss when molded at temperatures below 110.degree. C.Type: GrantFiled: January 5, 1979Date of Patent: October 5, 1982Assignee: E. I. Du Pont de Nemours and CompanyInventor: Edward J. Deyrup
-
Patent number: 4351757Abstract: Use of a selected alkali metal salt of a polycarboxylic acid has been found to impart good crystallization and mold release properties to polyethylene terephthalate molding blends.Type: GrantFiled: October 24, 1980Date of Patent: September 28, 1982Assignee: E. I. Du Pont de Nemours and CompanyInventor: Guenther K. Hoeschele
-
Patent number: 4338243Abstract: Use of a selected antimonate has been found to increase flame-retardancy without lowering thermal resistivity of a polyurethane terephthalate molding blend which contains an ionic hydrocarbon copolymer or ionic salt of a hydrocarbon acid and a low molecular weight compound.Type: GrantFiled: May 7, 1980Date of Patent: July 6, 1982Assignee: E. I. Du Pont de Nemours and CompanyInventors: James L. Hecht, Paul C. Yates
-
Patent number: 4325860Abstract: Normally intractable polymers of the structure: ##STR1## wherein X is O or NH, provided at least one X is O, R is an organic moiety, such as poly(parabanic acids) are plasticized by composition with from 15 to 60 weight percent of an aromatic sulfone or aromatic sulfoxide such as diphenyl sulfone, diphenyl sulfoxide or dibutyl-4,4'-sulfonyl dibenzoate.Type: GrantFiled: January 28, 1981Date of Patent: April 20, 1982Assignee: Exxon Research & Engineering Co.Inventor: Burnett H. Johnson
-
Patent number: RE32334Abstract: Polyethylene terephthalate resin compositions containing filler or reinforcing agent, a selected sodium or potassium salt of a hydrocarbon acid or a salt of a selected organic polymer containing pendant carboxyl groups, and a selected low molecular weight organic ester, ketone, sulfone, sulfoxide, nitrile or amide. Articles molded from the compositions have high gloss when molded at temperatures below 110.degree. C.Type: GrantFiled: March 11, 1986Date of Patent: January 20, 1987Assignee: E. I. Du Pont de Nemours and CompanyInventor: Edward J. Deyrup