Phosphorus Bonded Directly To Four Chalcogen Atoms, E.g., Phosphate, Etc. Patents (Class 524/127)
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Patent number: 7521522Abstract: The invention relates to a method for producing a granulate with a low acetaldehyde content and improved processing properties from a high-viscosity polyester melt, wherein the polyester melt strand is fragmented under water at the highest possible temperature, the accompanying water is separated from the granulate with the least possible cooling of the granulate, the low-water granulate obtained in this way is passed after removal of the water directly into a dealdehydisation container and the granulate in the dealdehydisation container is treated with a flow of rinsing air, plus a device for carrying out this method.Type: GrantFiled: August 25, 2006Date of Patent: April 21, 2009Assignee: Lurgi Zimmer GmbHInventors: Brigitta Otto, Rainer Linke, Roland Schafer, Holger Bachmann
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Patent number: 7511088Abstract: The flame retardant thermoplastic resin composition of the present invention comprises (A) 45˜95 parts by weight of a polycarbonate resin; (B) 1˜50 parts by weight of a rubber modified vinyl graft copolymer; (C) 0˜50 parts by weight of a vinyl copolymer; (D) 1˜30 parts by weight of a mixture of organic phosphorous compounds consisting of (d1) 1˜50% by weight of a oligomeric compound of cyclic phosphazene and (d2) 99˜50% by weight of an oligomeric phosphoric acid ester compound, per 100 parts by weight of the sum of (A), (B) and (C); and (E) 0.05˜5 parts by weight of a fluorinated polyolefin resin per 100 parts by weight of the sum of (A), (B) and (C).Type: GrantFiled: September 30, 2002Date of Patent: March 31, 2009Assignee: Cheil Industries Inc.Inventors: Jong Cheol Lim, Sam Joo Yang
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Patent number: 7501458Abstract: At least one embodiment of the present invention relates to an erasable ink composition particularly useful in a writing instrument for simultaneous the appearance of a graphite pencil. The composition of the present invention comprises a solvent system, a rubber and a pigment. The solvent system used in the present invention comprises an organic ester and a component selected from the group consisting of an optionally substituted cycloalkane, an optionally substituted cycloalkanone, an optionally substituted cycloalkene, or mixtures thereof. A sufficient amount of the solvent system is present so that the erasable ink composition will flow in a writing instrument. Preferably, the erasable ink composition of the present invention includes a pigment comprising graphite and carbon black. Finally, the erasable ink composition optionally includes a plasticizer, a liquid butene, or one or more additives selected from the group consisting of a corrosion inhibitor, a flow enhancing compound, and mixtures thereof.Type: GrantFiled: January 9, 2004Date of Patent: March 10, 2009Assignee: Stylus, Inc.Inventors: Barry Rosenbaum, Frances Fesuk
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Patent number: 7498370Abstract: The flame retardant thermoplastic resin composition of the present invention comprises (A) 45-95 parts by weight of a thermoplastic polycarbonate resin; (B) 1-50 parts by weight of a vinyl graft copolymer; (C) 0-50 parts by weight of a vinyl copolymer or a mixture of vinyl copolymers; (D) 1-30 parts by weight of a mixture of organic phosphorous compounds (D-1) 5-95 parts by weight of a monomeric phosphoric acid ester compound or a mixture of monomeric phosphoric acid ester compounds and (D-2) 95-5 parts by weight of an oligomeric phosphoric acid ester compound or a mixture of oligomeric phosphoric acid ester compounds, per 100 parts by weight of the sum of (A), (B) and (C); and (E) 0.05-5 parts by weight of a fluorinated polyolefin resin per 100 parts by weight of the sum of (A), (B) and (C).Type: GrantFiled: September 30, 2002Date of Patent: March 3, 2009Assignee: Cheil Industries Inc.Inventors: Jong Cheol Lim, Sam Joo Yang
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Publication number: 20090054558Abstract: Pulverulent polycondensation products are described, consisting of a) 5 to 95% by weight of a polycondensation product based on an aromatic or heteroaromatic compound (A) having 5 to 10 C atoms or heteroatoms having at least one oxyethylene or oxypropylene radical and one aldehyde (C) selected from the group consisting of formaldehyde, glyoxylic acid and benzaldehyde or mixtures thereof, and b) 5 to 95% by weight of a finely divided mineral carrier material having a specific surface area of 0.5 to 500 m2/g (according to BET as specified in DIN 66 131). The pulverulent polycondensation products according to the invention are outstandingly suitable in construction material mixtures in an amount of from 0.1 to 5% by weight, based on the weight of the construction material. The pulverulent polycondensation products have a number of advantages here, such as, for example, excellent storage stability, good liquefying action at low dosage and industrially simple production.Type: ApplicationFiled: December 18, 2006Publication date: February 26, 2009Applicant: CONSTRUCTION RESEARCH & TECHNOLOGY GMBHInventors: Philipp Wieland, Alexander Kraus, Gerhard Albrecht, Harald Grassl, Kerstin Becher
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Patent number: 7491763Abstract: A polyamide composition has (a) a polyamide, (b) at least one phosphorus compound selected from the group consisting of phosphoric acids, phosphorous acids, hypophosphorous acids, metal phosphates, metal phosphites, metal hypophosphites, phosphoric esters, and phosphorous esters, and (c) a soluble metal aluminate compound represented by the general formula (M2O)x(Al2O3)y (wherein X+Y=1 and M is a Group 1 metal of the Periodic Table), wherein the molar ratio of polyvalent metal to monovalent metal in the composition (polyvalent metal/monovalent metal) is from 0.25 to 1.0.Type: GrantFiled: July 9, 2003Date of Patent: February 17, 2009Assignee: Asahi Kasei Chemicals CorporationInventors: Masaaki Aramaki, Asami Ohashi
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Patent number: 7488534Abstract: An organic-inorganic composite particle containing an inorganic particle having a plurality of polymer particles attached to the inorganic particle and a polymer layer encapsulating the attached polymer particles. A process is provided for the organic-inorganic composite particle. The organic-inorganic composite particle is useful in the preparation of dried coatings that have improved hiding, whiteness, or gloss.Type: GrantFiled: January 21, 2004Date of Patent: February 10, 2009Assignee: Rohm and Haas CompanyInventors: Anne Denise Koller, Robert Mitchell Blankenship
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Patent number: 7476700Abstract: The invention relates to organophosphorus compounds comprising a polysulfide bridge, to their process of preparation and to their use as coupling agent between an inorganic or metal filler and an elastomer. The compounds correspond to the formula (I) (RO)2?tR1tP(O)—Ox—(CH2)y—Sz—(CH2)y—Ox—P(O) (OR)2?tR1t in which R represents a hydrogen , an alkyl, an aryl, a trialkylsilyl, a trialkylamino or an alkali metal; R1 represents an alkyl or an aryl; x is 0 or 1; y is an integer from 1 to 22, preferably from 2 to 4; z is equal or larger than 3, t is 0 or 1.Type: GrantFiled: July 7, 2003Date of Patent: January 13, 2009Assignees: Centre National de la Recherche Scientifique, Universite Montpellier II Sciences et Techniques du LanguedocInventor: Hubert Mutin
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Patent number: 7446144Abstract: A thermoplastic molding composition suitable for preparing articles by thermoforming is disclosed. The molding composition that comprise A) branched, aromatic poly(ester)carbonate, B) graft polymer, C) an optional vinyl(co)polymer and or polyalkylene terephthalate, D) at least one flame retarding phosphorous compound selected from the group consisting of mono- and oligomeric phosphorus and phosphonic acid esters, phosphonate amines and phosphazenes and E) talc, is characterized in that its flexural modulus at room temperature is at least 3000 N/mm2 and that its falling dart energy at break, at ?30° C., is at least 40.0 J. Sheets extruded of the composition are suitable for making useful articles by thermoforming.Type: GrantFiled: September 14, 2005Date of Patent: November 4, 2008Assignees: Bayer MaterialScience LLC, Bayer MaterialScience AGInventors: Eckhard Wenz, Pierre Moulinié, Thomas Eckel, Vera Buchholz, Dieter Wittmann, Bruce Hager, Fred J. Zaganiacz
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Patent number: 7442737Abstract: A phosphate ester composition of low acidity achieved by treating the phosphate ester of high acidity with an oxetane compound. The phosphate ester can be represented by the formula (I), where Ar is an aryl or alkaryl group, R is an arylene or alkylene group, and n can range from to 0 to about 5.Type: GrantFiled: June 24, 2003Date of Patent: October 28, 2008Assignee: Supresta LLCInventors: Danielle Angrand Bright, Edward D. Weil, Ronald L. Pirrelli
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Patent number: 7439287Abstract: The present invention relates to a flame retardant thermoplastic resin composition that contains a phenol resin derivative having good char formability, regardless of the base resin. A flame retardant thermoplastic resin composition according to the present invention comprises (A) 100 parts by weight of a thermoplastic resin as a base resin, (B) about 0.1˜100 parts by weight of a phenol resin derivative, and (C) about 0.1˜50 parts by weight of a phosphorous compound or a mixture of phosphorous compounds.Type: GrantFiled: November 16, 2006Date of Patent: October 21, 2008Assignee: Cheil Industries Inc.Inventors: Jae Ho Yang, Sang Hyun Hong, Gyu Chul Lee, Young Gil Jang, Su Hak Bae
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Patent number: 7417083Abstract: A flame retardant additive composition comprising a phosphoric acid salt selected from the group consisting of melamine phosphate, melamine pyrophosphate, melamine orthophosphate, diammonium phosphate, monoammonium phosphate, phosphoric acid amide, melamine polyphosphate, ammonium polyphosphate, polyphosphoric acid amide and combinations of two or more of the foregoing; a metal hydroxide; and an organic phosphate. The flame retardant additive is useful in a wide range of thermoplastic compositions.Type: GrantFiled: March 28, 2005Date of Patent: August 26, 2008Assignee: Sabic Innovative Plastics IP B.V.Inventors: Kazunari Kosaka, Xiucuo Li, Xuedong Li, Vijay Mhetar, Weiguang Yao
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Publication number: 20080188597Abstract: A resin composition includes an aliphatic polyester; a second polymer compound other than the aliphatic polyester; and an organic phosphoric acid compound that has a phosphorus content of about 20% by mass or more.Type: ApplicationFiled: January 31, 2008Publication date: August 7, 2008Applicants: FUJI XEROX CO., LTD., FUJIFILM CORPORATIONInventors: Masahiro Moriyama, Kenji Yao, Seiichi Takagi, Masayuki Okoshi, Fumiyuki Suzuki, Tadashi Mochizuki, Hidetoshi Kawasaki
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Patent number: 7405253Abstract: The present invention relates to a reinforced thermoplastic resin composition comprising at least an amorphous thermoplastic resin (A), a flame retardant (B), fibrous calcium silicate (C) and an inorganic material (D) comprising talc and/or mica, the content of flame retardant (B) being 0.01 to 30 parts by weight based on 100 parts by weight of the amorphous thermoplastic resin (A); the content of fibrous calcium silicate (C) in said composition being 3 to 30% by weight, and the content of the inorganic material (D) comprising talc, mica or mixture thereof in said composition being 3 to 30% by weight.Type: GrantFiled: December 16, 2004Date of Patent: July 29, 2008Assignee: Mitsubishi Engineering-Plastics CorporationInventor: Yoshihiro Kurasawa
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Publication number: 20080132617Abstract: A thermoplastic molding composition comprising aromatic polycarbonate and/or aromatic polyester carbonate, a rubber-modified graft polymer and a plurality of hollow glass beads is disclosed. The composition is distinguished by its improved flowability, high stiffness and small processing shrinkage, as well as unchanged high scratch resistance. The composition is suitable for producing molded articles having desirable properties.Type: ApplicationFiled: November 16, 2007Publication date: June 5, 2008Inventors: Thomas Eckel, Achim Feldermann, Andreas Seidel, Vera Buchholz, Bernd Keller
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Publication number: 20080132618Abstract: A thermoplastic molding composition that features good mechanical properties as well as processability is disclosed. The composition that contains aromatic polycarbonate and/or aromatic polyester carbonate, rubber-modified graft polymer and a plurality of hollow ceramic beads is suitable for making molded articles characterized by good ESC behavior and flammability rating.Type: ApplicationFiled: November 16, 2007Publication date: June 5, 2008Inventors: Thomas Eckel, Achim Feldermann, Burkhard Thuermer, Vera Buchholz
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Patent number: 7381763Abstract: A flame retardant aromatic polycarbonate resin composition comprising: (A) an aromatic polycarbonate resin (component A); (B) an acrylonitrile-styrene copolymer (component B); (C) inorganic fillers (components C); (D) an organic phosphorus compound-based flame retardant (component D); and (E) a fluorine-containing anti-dripping agent (component E), the amounts of the above components are specific and particularly the components C consist of (C1) mica and (C2) talc and/or wollastonite in a specific ratio, and a molded article formed from the resin composition. According to the present invention, there are provided a resin composition which has excellent mechanical properties, flame retardancy and dimensional stability, is light in weight and rarely wears away a mold and a molded article of the resin composition.Type: GrantFiled: November 21, 2005Date of Patent: June 3, 2008Assignee: Teijin Chemicals, Ltd.Inventor: Seiji Kikuchi
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Publication number: 20080125526Abstract: Disclosed herein is a styrenic resin composition comprising (A) about 15 to about 80 parts by weight of a styrenic resin, (B) about 15 to about 80 parts by weight of a polyphenylene ether resin, and (C) about 0.1 to about 25 parts by weight of a phosphoric compound comprising (c1) about 1 to about 30% by weight of an alkyl phosphinic metal salt and (c2) about 70 to about 99% by weight of an aromatic phosphate ester, per 100 parts by weight of a base resin comprising (A) and (B).Type: ApplicationFiled: June 28, 2007Publication date: May 29, 2008Applicant: CHEIL INDUSTRIES INC.Inventors: Su Hak BAE, Sang Hyun HONG, Jeong Hwan KU, Jae Ho YANG
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Patent number: 7371790Abstract: A polyphenylene ether composition comprising: 100 parts by weight of (A) a polyphenylene ether resin or a combination of a polyphenylene ether resin and a styrene resin; 1 to 40 parts by weight of (B) a flame retardant which is comprised mainly of at least one member selected from the group consisting of two specific condensed phosphoric esters; 0.3 to 10 parts by weight of (C) a hydrogenated block copolymer which is defined as a hydrogenation product of a block copolymer comprising a polymerized styrene block and a polymerized conjugated diene block, wherein at least one polymerized styrene block has a number average molecular weight of 15,000 or more; and 0.3 to 10 parts by weight of (D) a polyolefin resin, wherein the weight ratio of the component (C) to the component (D) is from 70/30 to 15/85.Type: GrantFiled: August 30, 2002Date of Patent: May 13, 2008Assignee: Asahi Kasei Chemicals CorporationInventors: Kazuo Yoshida, Junichi Nakahashi, Tadayuki Ishii
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Patent number: 7358287Abstract: The invention relates to a flame retardant polycarbonate composition which is comprised of a polycarbonate, a phosphoric acid ester, a functionalized acrylic polymer, and an alkyl methacrylate-diene-vinyl aromatic terpolymer, wherein the polycarbonate is present in the composition in an amount of at least about 85 weight percent, wherein the phosphoric acid ester is present at a level which is within the range of about 1 weight percent to about 12 weight percent, wherein the functionalized acrylic polymer is present at a level which is within the range of about 0.5 weight percent to about 4.5 weight percent, and wherein the alkyl methacrylate-diene-vinyl aromatic terpolymer is present at a level which is within the range of about 0.5 weight percent to about 4.5 weight percent, with the proviso that the sum of the amount of the functionalized acrylic polymer and the alkyl methacrylate-diene-vinyl aromatic terpolymer present in the composition does not total more than 5 weight percent.Type: GrantFiled: May 31, 2005Date of Patent: April 15, 2008Assignee: Ovation Polymer Technology and Engineered Materials, Inc.Inventors: Jin Zhu, Nishant Negandhi
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Patent number: 7323503Abstract: A process for producing an ethylene-vinyl alcohol copolymer resin, including feeding EVOH into an extruder, keeping the temperature of the melting resin in the extruder at 70 to 170° C., adjusting the amount of water in the extruder so that the water content right after being discharged from the extruder is 5 to 40 weight %, and extruding out the EVOH resin. The extruded EVOH resin is cut into EVOH pellets. Thereby, it is possible to obtain resin pellets in which no spherocrystals are observed in the center of the cross section of the resin when the cross section is observed by the use of a polarization microscope, or no lubricant is contained in the resin pellets, and the angle of repose is 23° or less when the resin pellets are laminated.Type: GrantFiled: December 8, 2003Date of Patent: January 29, 2008Assignee: Kuraray Co., Ltd.Inventors: Takaharu Kawahara, Hiroshi Kawai, Toshio Tuboi, Yukihiro Ohara, Masao Hikasa
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Patent number: 7319116Abstract: A flame resistant thermoplastic molding composition having improved mechanical properties is disclosed. The composition contains polycarbonate, a graft polymer and a phosphorus compounds of formula (I): and a mixture of fluorinated polyolefins with polyalkyl (meth)acrylates.Type: GrantFiled: July 31, 2003Date of Patent: January 15, 2008Assignee: Bayer MaterialScience AGInventors: Thomas Eckel, Andreas Seidel, Juan Gonzalez-Blanco, Dieter Wittmann
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Patent number: 7319126Abstract: Branched synthetic polyisoprenes are described having a macrostructure and a microstructure very similar to those of natural rubber. According to one aspect, these polyisoprenes have an apparent stress F/S0 greater than or equal to 0.4 MPa at a relative elongation ? of 150%, applied to a dumbbell-shaped test specimen consisting of the crosslinkable polyisoprene. According to another aspect, these polyisoprenes fulfill the relationship: Cotan ??0.3761. ?inh+0.15,:??(i) where cotan ? is the cotangent of the loss angle of a sample of said polyisoprene, measured at 130° C. by means of an instrument known by the trade name “RPA2000”, said sample being subjected to shear stress to 10% deformation and at a stress frequency of 0.035 Hz, and where ?inh is the inherent viscosity of said polyisoprene, measured in toluene at 25° C. and at a concentration of said polyisoprene in toluene of 0.1 g/dl.Type: GrantFiled: April 18, 2005Date of Patent: January 15, 2008Assignee: Michelin Recherche et Technique S.A.Inventors: Philppe Laubry, Fanny Barbotin, Philippe Johnson, Jean-Luc Auger
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Patent number: 7318842Abstract: An agent and method for treating biodegradable synthetic yarns fabricated from a polymer comprising lactic acid as a main component, which enable improved lubricity, cohesion, etc. to be so imparted to the biodegradable synthetic yarns that the yarns can be prevented from fuzzing and breaking at every step from spinning to down-stream step, especially at a false twisting step and improved in terms of bulkiness, providing yarns having improved mechanical properties in a stable manner. The agent of the invention comprises 0.1 to 30 weight % of a specific functional agent, and a lubricant and a surfactant in the total amount of 70 weight % or greater, and has a friction coefficient in the range of 0.04 to 0.35.Type: GrantFiled: October 31, 2002Date of Patent: January 15, 2008Assignee: Takemoto Yushi Kabushiki KaishaInventor: Hiroshi Yamakita
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Publication number: 20070293610Abstract: This invention relates to a silica reinforced rubber composition containing an ionic compound and article having a component thereof. The invention particularly relates to an article such as a rubber tire having a component of such rubber composition. Said ionic compound is composed of a combination of an organic cation moiety and an organic or inorganic anion moiety. Said ionic compound is desirably an ionically conductive ionic compound. The invention particularly relates to improvement of one or more physical properties of a rubber composition by an inclusion of such ionic compound and/or providing a path of least electrical resistance for a electrically resistive component of an article such as a tire by an inclusion in the rubber composition of said component of an ionically conductive ionic compound composed of a combination of an organic cation moiety and an organic or inorganic anion moiety.Type: ApplicationFiled: June 19, 2006Publication date: December 20, 2007Inventors: Adel Farhan Halasa, Wen-Liang Hsu, Aaron Scott Puhala
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Publication number: 20070293609Abstract: Disclosed herein are aromatic amide derivatives of the formulae: wherein X1 and X2 are independently selected from the group consisting of —OH, —OR, —OM, —NH2, and —NHR; M is a metal; and R, R1, and R2 are independently selected hydrocarbyl groups.Type: ApplicationFiled: June 14, 2006Publication date: December 20, 2007Inventors: Qinggao Ma, William A. Wortman, Abuzar Syed, Paul E. Stott, John M. Wefer, David J. Sikora
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Patent number: 7307120Abstract: The present invention provides a thermoplastic resin composition containing 100 parts by mass of a mixture of a thermoplastic resin (A) and carbon nanotubes (B), the mixture being composed of the component (A) in an amount of 20 to 99.95 mass % and the component (B) in an amount of 0.05 to 20 mass %; a flame retardant (C) in an amount of 0.05 to 30 parts by mass; and a polyfluoroolefin resin in an amount of 0 to 2 parts by mass. The flame retardant is preferably a phosphorus compound, and the thermoplastic resin preferably contains, as a component, an aromatic polycarbonate-polyorganosiloxane copolymer.Type: GrantFiled: January 28, 2003Date of Patent: December 11, 2007Assignee: Idemitsu Kosan Co., Ltd.Inventor: Akio Nodera
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Patent number: 7285587Abstract: Flame retardant polyester compositions suitable for calendering may be prepared from polyesters having crystallization half time of at least 5 minutes, a plasticizer, a phosphorus-containing flame retardant miscible with the plasticized polyester, and an additive effective to prevent sticking of the polyester to the calendar rolls. Also disclosed are processes for flame retardant films or sheets by calendering the above compositions and the flame retardant films or sheets produced therefrom. These films and sheets have excellent appearance, flexibility, and flame retardancy, and can be used in a wide range of decorative and packaging applications.Type: GrantFiled: November 12, 2003Date of Patent: October 23, 2007Assignee: Eastman Chemical CompanyInventors: Marc Alan Strand, Rodney Layne Piner
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Patent number: 7279515Abstract: Resorcinol carbonate-based phosphate esters are prepared by reacting resorcinol carbonates with phosphorous oxychloride or a chlorophosphate. The resorcinol carbonates can be synthesized by the reaction of resorcinol with phosgene or diphenyl carbonate. The resorcinol carbonate-based phosphate esters can be used as flame retardants and perhaps flowing agents.Type: GrantFiled: September 21, 2005Date of Patent: October 9, 2007Inventors: Raj B. Durairaj, Gary A. Jesionowski
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Patent number: 7279516Abstract: The present invention is in the field of polymer sheets for use in multiple layer glass panels, and more specifically, the present invention is in the field of polymer sheets comprising agents that improve fire resistance in the polymer sheets.Type: GrantFiled: November 2, 2004Date of Patent: October 9, 2007Assignee: Solutia IncorporatedInventor: John Joseph D'Errico
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Patent number: 7273014Abstract: The invention relates to plastic pallets that pass the Underwriters Laboratory UL 2335 protocol for pallets wherein said pallets comprises at least one resin selected from the group consisting of: (a) polyphenylene ether resin and blends containing polyphenylene ether resin, (b) polycarbonate resin and blends containing polycarbonate resin, (c) vinyl aromatic graft copolymer resin; (d) polyetherimide resin and blends containing polyetherimide resin, and (e) thermosetting resins. In a preferred embodiment, the plastic pallet has an open deck design. The invention also relates to a method to make pallets that pass the UL 2335 protocol.Type: GrantFiled: February 4, 2004Date of Patent: September 25, 2007Assignee: General Electric CompanyInventors: Adeyinka Adedeji, Geoffrey Henry Riding, Bruce Marshall Torrey
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Patent number: 7264882Abstract: The invention relates to mixtures comprising polymers containing hydrogen-siloxane groups and fluoride, in addition to the use of said mixtures as a dental scaling varnish and fluoridation varnish and as a desensitising agent, in addition to the use of said mixtures as a protective covering for glasionomer cement fillings.Type: GrantFiled: August 6, 2001Date of Patent: September 4, 2007Assignee: S & C Polymer Silicon- und Composite-Spezialitaten GmbHInventor: Juergen Engelbrecht
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Patent number: 7259195Abstract: A unique treatment for pigments is provided. This treatment, which uses certain organo-phosphoric acids and/or their salts, imparts improved physical and chemical qualities including lacing resistance, improved dispersion and decreased chemical reactivity when these treated pigments are incorporated into polymeric matrices.Type: GrantFiled: January 16, 2004Date of Patent: August 21, 2007Assignee: Millennium Inorganic Chemicals, Inc.Inventors: Modasser El-Shoubary, Robert J. Kostelnik
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Patent number: 7241827Abstract: The present invention relates to an inorganic compound with a lamellar structure, to its process of preparation and to its use in the reinforcement of macromolecular materials. It relates more specifically to a compound based on zirconium and/or titanium phosphate. The process for the preparation of the compound comprises a stage of treatment at a pH of between 3 and 9.Type: GrantFiled: August 23, 2001Date of Patent: July 10, 2007Assignee: RhodianylInventors: Emmanuelle Bougelot, Dominique Dupuis, Gilles Robert, Joël Varlet
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Patent number: 7238744Abstract: An article of manufacture comprises an ultrahigh molecular weight polyethylene (UHMWPE) mixed with a processing oil and a lubricant selected from the group consisting of fatty acid esters, ethoxylated fatty acid esters, glycol esters, PEG esters, glycerol esters, ethoxylated esters, sorbitol esters, ethoxylated sorbitol esters, aromatic ethoxylates, alcohol ethoxylates, mercaptan ethoxylates, modified ethoxylates, amide surfactants, phosphate esters, phosphonate esters, phosphite esters, alkyl sulfates, fatty acid ethers, alkyl ether sulfates, alkylaryl ether sulfates, sulfonates, naphthalene sulfonates, sulfosuccinates, sulfonated esters, sulfonated amides, alkyl ether carboxylates, alkylaryl ether carboxylates, quaternary amines, amino quaternary amines, ethoxylated amines, imidazoline derivatives, betaines, sultaines, aminopropionate, catechol derivatives, saturated fatty acids, unsaturated fatty acids, and combinations thereof. The method for making those articles is also disclosed.Type: GrantFiled: April 12, 2002Date of Patent: July 3, 2007Assignee: Daramic, Inc.Inventors: Joseph G. Yaritz, J. Kevin Whear
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Patent number: 7238427Abstract: The present invention is in the field of polymer sheets for use in multiple layer glass panels, and more specifically, the present invention is in the field of polymer sheets comprising agents that improve fire resistance in the polymer sheets.Type: GrantFiled: November 2, 2004Date of Patent: July 3, 2007Assignee: Solutia IncorporatedInventor: Yinong Ma
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Patent number: 7232854Abstract: Polycarbonate compositions containing a specific combination of additives achieve desirable flame retardance characteristics when used in thin wall polycarbonate articles. These compositions contain a polycarbonate/siloxane component, containing a polycarbonate siloxane copolymer, or a mixture of a polycarbonate siloxane copolymer and polycarbonate resin; a mineral filler; and a flame retardant. The composition contains at least 50% by weight of polycarbonate when the polycarbonate of the polycarbonate siloxane copolymer and any polycarbonate resin (linear or branched) are considered together; and the polycarbonate siloxane copolymer and the mineral filler are present in amounts effective to achieve a flex modulus of 29,000 kg/cm3 or greater, for example 30,000 kg/cm3 or greater, good flex-fold strength and good impact strength, for example a room temperature Notched Izod Impact Strength of 25 kgf-cm/cm or greater.Type: GrantFiled: February 3, 2004Date of Patent: June 19, 2007Assignee: General Electric CompanyInventors: Shiping Ma, Thomas Ebeling, Shrish Rane
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Patent number: 7223471Abstract: A composition comprising Polytrimethylene terephthalate (PTT) with a reduced emission of acrolein is obtained by contacting Polytrimethylene terephthalate (PTT) resin with an effective amount of a melt stable, organic stabilizing compound. Such PTT resin has an acrolein formation rate at 280° C. of less than 15 ppm/minute. Preferably the residual acrolein content of the PTT resin is less than 10 ppm. The additive organic stabilizing compounds are free from nitrogen atoms. Preferred additive compounds include polyfunctional alkohols, alcoholates, aromatic carboxylic acid anhydrides, carboxylic acids and salts of carboxylic acids. The additive compounds are added to the polymer in molten state and/or to the resin, which is then processed to fibers, filaments, non-wovens, films and/or mouldings.Type: GrantFiled: February 20, 2003Date of Patent: May 29, 2007Assignee: Zimmer AGInventors: Eckhard Seidel, Bernd Gemmel, Karl-Heinz Heldmann
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Patent number: 7220790Abstract: A thermoplastic molding composition having good flame resistance, melt flowability, resistance to chemicals and creep is disclosed. The composition contains A) at least one member having weight average molecular weight (Mw) of 25,000 to 35,000 g/mol, selected from the group consisting of aromatic polycarbonate and polyestercarbonate B) ABS graft polymer produced by the mass polymerization process and characterized in (i) having a butadiene content of 8 to 15% in relation to the weight of the graft polymer, (ii) having an acrylic acid derivative content of 15 to 30% in relation to the total weight of the acrylic derivative and styrene monomer, and (iii) containing styrene monomer-acrylic acid derivative copolymer having a weight average molecular weight of 5·104 to 14·104 g/mol. The composition may further contain one or more of halogen-free phosphorus compounds, fluorinated polyolefin, a polymer containing acrylate monomer and an inorganic material in particulate form.Type: GrantFiled: July 25, 2003Date of Patent: May 22, 2007Assignee: Bayer AktiengesellschaftInventors: Andreas Seidel, Thomas Eckel, Dieter Wittmann, Dirk Kurzidim
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Patent number: 7205346Abstract: A flame-retardant resin composition comprises a thermoplastic resin; a flame retardant comprising a phosphorus-containing compound (A), a aromatic resin (B), and at least one flame-retardant auxiliary (C) selected from a nitrogen-containing compound and a metal salt of an inorganic acid; and at least one stabilizer auxiliary (D) selected from a compound having a functional group reactive to an active hydrogen atom and a water-repellent compound. The phosphorus-containing compound may be a phosphoric ester. The aromatic resin may be a polyphenylene sulfide-series resin or a polyphenylene oxide-series resin. The nitrogen-containing compound is a salt of an amino group-containing triazine compound with an oxygen acid, a salt of an amino group-containing triazine compound with a hydroxyl group-containing triazine compound, a polyphosphoric acid amide, a cyclic urea compound, or others.Type: GrantFiled: November 28, 2002Date of Patent: April 17, 2007Assignee: Polyplastics Co., Ltd.Inventor: Hatsuhiko Harashina
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Patent number: 7196126Abstract: A thermoplastic flame retardant resin composition according to the present invention comprises: (A) about 40˜95 parts by weight of a styrenic resin; (B) about 5˜60 parts by weight of a polyphenylene ether, (C) about 0.1˜40 parts by weight of a rubber modified polystyrene resin containing about 40˜65% by weight of a rubber and about 0.1˜8% by weight of acrylonitrile based on 100 parts by weight of the sum of (A) and (B); and (D) about 5 to 30 parts by weight of an aromatic phosphoric acid ester compound based on 100 parts by weight of the sum of (A) and (B).Type: GrantFiled: April 14, 2003Date of Patent: March 27, 2007Assignee: Cheil Industries Inc.Inventors: Sung Hee Ahn, Jae Ho Yang, Young Gil Jang, Su Hak Bae
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Patent number: 7186767Abstract: A thermoplastic molding compositions having improved stress cracking resistance is disclosed. The composition contains A) 40 to 99.5 parts by weight of at least one branched resin selected from a first group consisting of aromatic polycarbonate and polyestercarbonate and B) 0.5 to 60 parts by weight of graft polymer containing a grafting shell and a grafting base, said grafting base being other than polybutadiene rubber. The structure of the branched resin contains at least one residue of a branching agent selected from among tri-functional phenolic monomer and tetra-functional phenolic monomer.Type: GrantFiled: December 1, 2003Date of Patent: March 6, 2007Assignee: Bayer AktiengesellschaftInventors: Andreas Seidel, Thomas Eckel, Holger Warth
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Patent number: 7179519Abstract: Polyimide/metal laminates having a polyimide film and a metal layer laminated thereon, wherein the polyimide film contains titanium element and flexible print wiring boards with the use of the same are disclosed. The polyimide/metal laminates are excellent in adhesion under the ordinary conditions and, moreover, can sustain the adhesive strength at a high ratio after exposure to high temperature or high temperature and high humidity. Owing to these characteristics, these polyimide/metal laminates are appropriately usable in flexible print wiring boards, multi-layered print wiring boards, rigid flex wiring boards, tapes for TAP, semiconductor packages such as CFOs and multi chip modules (MCMs), magnetic recording films, coating films for aerospace materials and filmy resistance elements.Type: GrantFiled: May 16, 2003Date of Patent: February 20, 2007Assignee: Kaneka CorporationInventors: Masaru Nishinaka, Kiyokazu Akahori
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Patent number: 7172650Abstract: The present invention provides a deproteinized natural rubber latex wherein coagulation of a rubber component does not occur when the concentration of calcium ions (Ca2+) is 0.01 mol/L or less and coagulation of the rubber component occurs when the concentration of Ca2+ is 0.1 mol/L or more; a method of preparing the deproteinized natural rubber latex, which comprises adding a protease and two or more surfactants having different coagulation properties to calcium ions (Ca2+) to a natural rubber latex and maturing the natural rubber latex; a rubber product using the deproteinized natural rubber latex; and a proteolytic agent comprising a protease and two or more surfactants.Type: GrantFiled: August 16, 2005Date of Patent: February 6, 2007Assignees: Sumitomo Rubber Industries, Ltd., KAO CorporationInventors: Naoya Ichikawa, Yoshiaki Miyamoto
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Patent number: 7163977Abstract: Methods to decrease aldehyde content of a polymer are provided. An effective amount of an additive that contains a P—H functionality is incorporated into the polymer in the presence of an acidic of basic catalyst compositions are also provided.Type: GrantFiled: May 13, 2005Date of Patent: January 16, 2007Assignee: Plastic Technologies, Inc.Inventor: Mark Rule
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Patent number: 7151126Abstract: The present invention relates to a flame retardant thermoplastic resin composition that contains a polyphenylene ether resin and a phenol resin derivative, both of them having good char formability, regardless of the base resin. A flame retardant thermoplastic resin composition according to the present invention comprises (A) 100 parts by weight of a thermoplastic resin as a base resin, (B) about 0.1˜100 parts by weight of polyphenylene ether, (C) about 0.1˜100 parts by weight of a phenol resin derivative, and (D) about 0.1˜50 parts by weight of a phosphorous compound or a mixture of phosphorous compounds. The thermoplastic resin composition may contain up to 5.0 parts by weight of an anti-dripping agent based on 100 parts by weight of the base resin.Type: GrantFiled: December 26, 2001Date of Patent: December 19, 2006Assignee: Cheil Industries Inc.Inventors: Jae Ho Yang, Sang Hyun Hong, Gyu Chul Lee, Bok Nam Jang, Sung Hee Ahn
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Patent number: 7148275Abstract: The present invention relates to a flame retardant thermoplastic resin composition that contains a phenol resin derivative having good char formability, regardless of the base resin. A flame retardant thermoplastic resin composition according to the present invention comprises (A) 100 parts by weight of a thermoplastic resin as a base resin, (B) about 0.1˜100 parts by weight of a phenol resin derivative, and (C) about 0.1˜50 parts by weight of a phosphorous compound or a mixture of phosphorous compounds.Type: GrantFiled: December 26, 2001Date of Patent: December 12, 2006Assignee: Cheil Industries Inc.Inventors: Jae Ho Yang, Sang Hyun Hong, Gyu Chul Lee, Young Gil Jang, Su Hak Bae
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Patent number: 7138447Abstract: The present invention provides a thermoplastic polymer composition mainly comprising a block copolymer prepared by extending, with a specific polyurethane component, the polymer chain of a block copolymer, which may be hydrogenated, having a polymer block of an aromatic vinyl compound and a polymer block of a conjugated diene. The thermoplastic polymer composition according to the present invention is excellent in handling properties and melt-moldability, because it shows non-tackiness. By using the thermoplastic polymer composition according to the present invention, a molded article having high qualities can be produced with good productivity.Type: GrantFiled: July 9, 2002Date of Patent: November 21, 2006Assignee: Kuraray Co., Ltd.Inventor: Hidekazu Saito
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Patent number: 7135511Abstract: The whiteness and stability of a polyolefin have been found to be improved upon addition of a first phosphite, an arylalkyl diphosphite, and a second phosphite selected from a second arylalkyl disphosphite or a triarylphosphite. In addition, the addition of a triarylphosphite with an arylalkyl disphoshite has been found to improve the hygroscopic nature and the hydrolytic stability of the arylalkyl disphosphite.Type: GrantFiled: December 17, 2002Date of Patent: November 14, 2006Assignee: Chevron Phillips Chemical Company, L.P.Inventors: David R. Battiste, Mark K. Russell, William R. Coutant, Joseph R. Harder
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Patent number: 7135509Abstract: A flame-retardant polybutylene terephthalate resin composition wherein (A) 20-70% by weight of a polybutylene terephthalate resin or a mixture of a polybutylene terephthalate resin and a polyethylene terephthalate resin, (B) 1–20% by weight of a vinyl based resin, (C) 1–20% by weight of a phosphoric acid ester, (D) 1–30% by weight of a salt of a triazine based compound and cyanuric acid or isocyanuric acid, and (E) 0.1–5% by weight of an alkaline earth metal compound are compounded, and formed articles thereof have high degrees of flame retardancy and tracking resistance, and are unlikely to allow occurrence of metal pollution or deterioration in hydrolysis resistance due to a phosphoric acid ester, and therefore are suitable for machine component parts, electrical/electronic component parts, and automotive component parts.Type: GrantFiled: September 25, 2002Date of Patent: November 14, 2006Assignee: Toray Industries, Inc.Inventors: Hiromitsu Ishii, Takashi Nagao, Jiro Kumaki