Phosphorus Compound Is Organic Patents (Class 106/18.18)
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Patent number: 11879050Abstract: The invention concerns an antidegradant blend for polymers, comprising: a. an antioxidant selected from one or more of: i. a phenolic antioxidant; ii. an organic phosphite antioxidant; and: b. an inorganic antioxidant or reducing agent; wherein the composition is absent any metal carboxylate or buffering agent having the capacity to buffer in aqueous solution at a pH range from 4 to 8.Type: GrantFiled: April 29, 2019Date of Patent: January 23, 2024Assignee: SI GROUP, INC.Inventors: Warren J. Ebenezer, Jonathan Hill
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Patent number: 10906269Abstract: A fibrous component for a vehicle exterior includes a skin layer having a multilayer structure comprising a laminated web including a reinforcing fiber and a binder fiber, the skin layer including pores that absorb sound; a sound absorbing pad layer disposed on an inner side of the skin layer and absorbing sound; and an adhesive layer disposed between the skin layer and the sound absorbing pad layer. The adhesive layer adheres the skin layer and the sound absorbing layer to each other.Type: GrantFiled: June 28, 2017Date of Patent: February 2, 2021Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Dong Uk Lee, Su Nam Lee
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Patent number: 10689580Abstract: A flame-retardant vanillin-derived monomer, a process for forming a flame-retardant polymer, and an article of manufacture comprising a material that contains flame-retardant vanillin-derived monomer are disclosed. The flame-retardant vanillin-derived monomer can be synthesized from vanillin obtained from a bio-based source, and can have at least one phosphoryl or phosphonyl moiety with phenyl, allyl, epoxide, or propylene carbonate substituents. The process for forming the flame-retardant polymer can include reacting a vanillin derivative and a flame-retardant phosphorus-based molecule to form the flame-retardant vanillin-derived monomer, and then polymerizing the flame-retardant vanillin-derived monomer. The material in the article of manufacture can be flame-retardant, and contain the flame-retardant vanillin-derived monomer. Examples of materials that can be in the article of manufacture can include resins, plastics, adhesives, polymers, etc.Type: GrantFiled: April 1, 2019Date of Patent: June 23, 2020Assignee: International Business Machines CorporationInventors: Brandon M. Kobilka, Joseph Kuczynski, Jacob T. Porter, Jason T. Wertz
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Patent number: 10689577Abstract: A flame-retardant vanillin-derived molecule, a process for forming a flame-retardant resin, and an article of manufacture comprising a material that contains the flame-retardant vanillin-derived molecule are disclosed. The flame-retardant vanillin-derived molecule can be synthesized from vanillin obtained from a bio-based source, and can have at least one phosphoryl or phosphonyl moiety with phenyl, allyl, epoxide, propylene carbonate, or thioether substituents. The process for forming the flame-retardant resin can include reacting a vanillin derivative and a flame-retardant phosphorus-based molecule to form the flame-retardant vanillin-derived molecule, and binding the flame-retardant vanillin-derived molecule to a resin. The flame-retardant vanillin-derived molecules can also be bound to polymers. The material in the article of manufacture can be flame-retardant, and contain the flame-retardant vanillin-derived molecules.Type: GrantFiled: December 7, 2018Date of Patent: June 23, 2020Assignee: International Business Machines CorporationInventors: Brandon M. Kobilka, Joseph Kuczynski, Jacob T. Porter, Jason T. Wertz
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Patent number: 10689579Abstract: A flame-retardant vanillin-derived small molecule, a process for forming a flame-retardant polymer, and an article of manufacture comprising a material that contains the flame-retardant vanillin-derived small molecule are disclosed. The flame-retardant vanillin-derived small molecule can be synthesized from vanillin obtained from a bio-based source, and can have at least one phosphoryl or phosphonyl moiety with phenyl, allyl, or thioether substituents. The process for forming the flame-retardant polymer can include reacting a diol vanillin derivative and a flame-retardant phosphorus-based molecule to form the flame-retardant vanillin-derived small molecule, and binding the flame-retardant vanillin-derived small molecule to a polymer. The material in the article of manufacture can be flame-retardant, and contain the flame-retardant vanillin-derived small molecules. Examples of materials that can be in the article of manufacture can include resins, plastics, adhesives, polymers, etc.Type: GrantFiled: February 15, 2019Date of Patent: June 23, 2020Assignee: International Business Machines CorporationInventors: Brandon M. Kobilka, Joseph Kuczynski, Jacob T. Porter, Jason T. Wertz
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Patent number: 10689578Abstract: A flame-retardant vanillin-derived cross-linker, a process for forming a flame-retardant polymer, and an article of manufacture comprising a material that contains the flame-retardant vanillin-derived cross-linker are disclosed. The flame-retardant vanillin-derived cross-linker can be synthesized from vanillin obtained from a bio-based source, and can have at least one phosphoryl or phosphonyl moiety with phenyl, allyl, epoxide, propylene carbonate, or thioether substituents. The process for forming the flame-retardant polymer can include reacting a diol vanillin derivative and a flame-retardant phosphorus-based molecule to form the flame-retardant vanillin-derived cross-linker, and binding the flame-retardant vanillin-derived cross-linker to a polymer. The material in the article of manufacture can be flame-retardant, and contain flame-retardant vanillin-derived cross-linkers. Examples of materials that can be in the article of manufacture can include resins, plastics, adhesives, polymers, etc.Type: GrantFiled: January 1, 2019Date of Patent: June 23, 2020Assignee: International Business Machines CorporationInventors: Brandon M. Kobilka, Joseph Kuczynski, Jacob T. Porter, Jason T. Wertz
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Patent number: 8877102Abstract: The invention relates to thermally-stable mineral wool which can dissolve in a physiological medium, comprising fibres containing the following constituents, expressed in percentage by weight, namely: 35-60 % SiO2, preferably 39-55 %; 12-27% Al2O3, preferably 16-25%; 0-35% CaO, preferably 3-25%; 0-30% MgO, preferably 0-15%; 0-17% Na2O, preferably 6-12%; 0-17% K2O, preferably 3-12%; 10-17% R2O (Na2O+K2O), preferably 12-17%; 0-5% P2O5, preferably 0-2%; 0-20% Fe2O3; 0-8% B2O3, preferably 0-4%; and 0-3% TiO2, and at least one phosphorous compound that can react with said fibres at a temperature of less than 1000° C. in order to form a coating on the surface thereof. The invention is characterised in that the phosphorous content of said compound, as expressed in phosphorus atom weight, varies between 0.0005%, in particular more than 0.01%, and 1%, in particular less than 0.5%, of the total weight of the fibres.Type: GrantFiled: March 31, 2006Date of Patent: November 4, 2014Assignee: Saint-Gobain IsoverInventors: Jean-Luc Bernard, Jérôme Douce
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Publication number: 20140262017Abstract: Hot melt and pressure-sensitive adhesives may comprise highly-plasticized cellulose esters, e.g., a cellulose ester and a plasticizer, the plasticizer included in an amount of about 30% to about 60% by weight of the cellulose ester. A highly-plasticized cellulose ester adhesive that is tacky at room temperature may be utilized by applying the adhesive to a first surface; and adhering a second surface to the first surface with the adhesive.Type: ApplicationFiled: March 12, 2013Publication date: September 18, 2014Applicant: Celanese Acetate LLCInventors: Michael Combs, Wendy Bisset, Lizbeth Milward
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Patent number: 8814998Abstract: The present invention teaches a three-step method for an aqua based chemical composition for flame retardation. The composition comprises: Sodium Borate, Boric Acid, Guanylurea Phosphate, Hydrogen Peroxide, Magnesium Chloride, and Sodium Silicate. The referenced salts are dissolved in distilled water, and the resultant flame retarding solution is coated on substrate surfaces to be protected against flame retardation. The flame retarding composition solution from step-1 alone may be used on non-prepared substrate surfaces. The flame retarding composition solution fully satisfies the Federal Aviation Regulation (FAR) 25.853(a) vertical burn test, and Federal Aviation Regulation (FAR) 25.853(d) heat release test. The utility of the present invention extends to numerous commercial and non-commercial applications.Type: GrantFiled: March 1, 2013Date of Patent: August 26, 2014Inventors: Aziz Khadbai, Joseph Roberts Sparling, James Burton Anderson, Ian Douglas Buchanan
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Patent number: 8585813Abstract: Compositions useful for the flame retardant finishing of cotton articles or other cellulose materials are described. The compositions are obtainable by reacting a tetrakishydroxyalkylphosphonium (THP) salt with caprolactam and urea to form a condensation product and subsequently forming a condensate from excess THP salt and excess urea. The compositions endow cotton articles with flame retardant properties and a pleasantly soft hand coupled with good durability to laundering processes.Type: GrantFiled: June 8, 2011Date of Patent: November 19, 2013Assignee: Huntsman Textile Effects (Germany) GmbHInventors: Salman Dermeik, Andreas Eisele, Waltraud Demharter
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Publication number: 20130220170Abstract: Compositions useful for the flame retardant finishing of cotton articles or other cellulose materials are described. The compositions are obtainable by reacting a tetrakishydroxyalkylphosphonium (THP) salt with caprolactam and urea to form a condensation product and subsequently forming a condensate from excess THP salt and excess urea. The compositions endow cotton articles with flame retardant properties and a pleasantly soft hand coupled with good durability to laundering processes.Type: ApplicationFiled: June 8, 2011Publication date: August 29, 2013Applicant: HUNTSMAN TEXTILE EFFECTS (GERMANY) GMBHInventors: Salman Dermeik, Andreas Eisele, Waltraud Demharter
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Patent number: 8206832Abstract: There is provided a photosensitive thermosetting resin composition of an alkali development type from which it is possible to form a coating film that is halogen-free yet has high-level flame retardancy, has a superior low warpage property after it is cured, is excellent in plasticity, resolution, soldering heat resistance, chemical resistance, and the like, and a flexible printed circuit board using the same.Type: GrantFiled: November 29, 2007Date of Patent: June 26, 2012Assignee: Kyocera Chemical CorporationInventors: Tetsuya Ezaki, Masakazu Fujiwara, Masanobu Yanahara
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Publication number: 20120037034Abstract: The present invention is directed to a coating composition comprising polyurea formed from a reaction mixture comprising: (a) a first component comprising isocyanate, wherein said isocyanate comprises an isocyanate functional prepolymer formed from a reaction mixture comprising isocyanate and a material comprising a phosphorus-containing polyol; and (b) a second component comprising an amine.Type: ApplicationFiled: May 19, 2008Publication date: February 16, 2012Applicant: PPG INDUSTRIES OHIO, INC.Inventors: Steven V. Barancyk, Howard L. Senkfor, Debra L. Singer, John M. Furar, Michael A. Zalich, Thomas R. Hockswender
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Patent number: 7560178Abstract: Disclosed is an aqueous inorganic expandable refractory composition comprising: 1-3 wt % of a phosphorus-based flame retardant containing a carboxylic acid derivative; 15-20 wt % of a first metal oxide; 48-65 wt % of a second metal oxide containing silicon dioxide; 10-20 wt % of an aluminum hydroxide silicate mineral having a layered structure; and the balance of water. When the composition is heated, closed pores are formed in the composition due to carbon dioxide resulting from the thermal self-decomposition of the phosphorus-based flame retardant. Also, disclosed is a refractory board formed using the composition. Just after the refractory board is heated, the surface thereof is expanded while the thermal stability thereof is increased to suppress the burning thereof. Also, the back surface opposite the heated surface of the refractory board is not influenced by the heating condition of the heated surface, and thus shows no change in the temperature and shape thereof.Type: GrantFiled: January 12, 2007Date of Patent: July 14, 2009Inventor: Ju Hyun Kim
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Publication number: 20080199697Abstract: The present invention relates to a composition for reinforcing strands, characterized in that it includes at least one additive capable of acting at the strands/matrix interface so as to improve the fire resistance of the strands/matrix composite, and it also relates to the strands and composites obtained.Type: ApplicationFiled: June 27, 2006Publication date: August 21, 2008Applicant: SAINT-GOBAIN TECHNICAL FABRICS EUROPEInventors: Jean-Philippe Gasca, Carine Chivas, Ann Bergeret, Jose-Marie Lopez-Cuesta
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Patent number: 7331400Abstract: A surface coating includes fire retarding and smoke suppressing constituents dispersed throughout an essentially non-toxic, water-based adhesive binder. The coating comprises a mixture of chemical compounds where each constituent falls into one of six functional groups, being: 1) catalyst/initiator; 2) expandable graphite; 3) carbonific, or source of carbon which additionally forms water; 4) blowing agent (a source of non-flammable gases); 5) cement; and, 6) ceramic.Type: GrantFiled: August 4, 2005Date of Patent: February 19, 2008Assignee: Avtec Industries, Inc.Inventor: John B. Rowen
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Patent number: 7297192Abstract: The invention relates to a flame retardant, comprising (A) a triazine-phenolic resin, (B) a nitrogen-containing compound, and (C) at least one metal compound, wherein said triazine-phenolic resin has formula (I): wherein, m and n are independently an integer ranging from 1 to 10 and R is OH, NH2, COOH, SO3H, C(O)H, or CH3CONH. The invention further relates to flame-retardant resin composition containing the above flame retardant and its use.Type: GrantFiled: May 15, 2006Date of Patent: November 20, 2007Assignee: Eternal Chemical Co., Ltd.Inventors: Shun-Jen Ghiang, Shih-Feng Huang, Kwang-Ming Lee
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Patent number: 7211293Abstract: A closed-loop system and process is used for applying fire retardant chemicals to fibers. Fibers are preferably positioned in a vessel such as a dye machine which circulates the fire retardant chemicals. After absorption of the fire retardant composition, non-absorbed fire retardant chemicals are recovered and re-used on subsequent batches of fibers. Recovery can be achieved by directing the non-absorbed fire retardant composition into a second dye machine containing additional fibers, or by extracting the fire retardant composition by centrifugation or other means, or by a combination of the two processes. The process is environmentally friendly, and allows for higher throughput on impregnating fibers with fire retardant chemicals.Type: GrantFiled: November 26, 2003Date of Patent: May 1, 2007Assignees: Gaston International, Inc., Tintoria Piana U.S., Inc.Inventors: Andrea Piana, James L. Gaston
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Patent number: 7186455Abstract: The invention relates to a white, biaxially oriented film which comprises a crystallizable thermoplastic as main componet and is characterized by further comprising at least one UV-stabilizer, at least one white pigment and at least one flame-proofing agent, which is soluble in the thermoplastic and introduced directly, during the film production, by masterbatch technology, whereby the masterbatch is pre-conditioned by gradual heating under reduced pressure and with stirring.Type: GrantFiled: January 11, 2001Date of Patent: March 6, 2007Assignee: Mitsubishi Polyester Film GmbHInventors: Ursula Murschall, Andreas Stopp, Guenther Crass, Ulrich Kern
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Patent number: 7018571Abstract: A flame retarding and smoke suppressing additive powder that can be mixed with resins includes a carbonific material, a heat activated blowing agent, a heat activated halogen material, a phosphate material, and an inorganic material. The additive powder, when added to a curable or hardenable resin, forms a mixture where the additive powder is about 20-30%, by weight, of the mixture. The resin can be styrenic, olefinic, acrylic, cellulosic, polyester, or polyamide such as are are commonly used in the manufacture of fiberglass reinforced structures and moldable plastics.Type: GrantFiled: March 7, 2000Date of Patent: March 28, 2006Assignee: Avtec IndustriesInventors: Anthony S. Camarota, Kevin Schell, John B. Rowen
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Patent number: 6964746Abstract: The invention relates to mixtures of phosphonite (component A) and/or an ester and/or salt of a long-chain fatty acid (component B), and/or a carboxylic ester, and/or carboxylic amide (component C), and also to their use in polyamides or in polyesters.Type: GrantFiled: June 12, 2003Date of Patent: November 15, 2005Assignee: Clariant GmbHInventors: Elke Schlosser, Wolfgang Wanzke, Christian Lechner
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Patent number: 6930138Abstract: A flame retarding and smoke suppressing additive powder that can be mixed with resins includes a carbonific material, a heat activated blowing agent, a heat activated halogen material, a phosphate material, and an inorganic material. The additive powder, when added to a curable or hardenable resin, forms a mixture where the additive powder is about 20-30%, by weight, of the mixture. The resin can be styrenic, olefinic, acrylic, cellulosic, polyester, or polyamide such as are commonly used in the manufacture of fiberglass reinforced structures and moldable plastics.Type: GrantFiled: August 5, 2004Date of Patent: August 16, 2005Assignee: Avtec Industries, Inc.Inventors: Kevin Schell, John B. Rowen, Anthony S. Camarota
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Patent number: 6905693Abstract: An intumescent polymer composition includes a matrix polymer, an acid catalyst source, a nitrogen source and an ionic phyllosilicate synergist having substantial cationic exchange capacity.Type: GrantFiled: June 3, 2003Date of Patent: June 14, 2005Assignee: PABU Services, Inc.Inventors: Leonard J. Chyall, Harry A. Hodgen, Frederick J. Vyverberg, Robert W. Chapman
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Patent number: 6881470Abstract: Biaxially oriented, co-extruded polyester films comprising a base layer consisting of at least 90 wt. % thermoplastic polyester, preferably polyethylene terephthalate (PET), at least one sealable outer layer and a second non-sealable outer layer and, optionally, other intermediate layers, in addition to at least one flame-retardant agent, preferably organic phosphorous compounds. The inventive films are characterized by low inflammability, no embrittlement when subjected to thermal stress and a surface which is devoid of troublesome opacity, and are suitable for a multiplicity of uses both indoors and outside. The outer layers contain anti-blocking agents such as silicic acid having a particle diameter of preferably less than 50 nm and/or more than 2 ?m. Preferably, the sealable outer layer consists of a copolyester which is made of ethylene terephthalate and ethylene isophthalate units.Type: GrantFiled: January 10, 2001Date of Patent: April 19, 2005Assignee: Mitsubishi Polyester Film GmbHInventors: Ursula Murschall, Ulrich Kern, Andreas Stopp, Guenther Crass, Herbert Peiffer
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Patent number: 6872461Abstract: The invention relates to a co-extruded, biaxially oriented polyester films containing a flame-retardant agent which can be dissolved in the polyester. The film has a matt outer layer which contains a mixture and/or a blend of two components (I) and (II), whereby component (I) is a polyethylene terephthalate homopolymer, or a polyethylene terephthalate copolymer, or a mixture of polyethylene terephthalate homopolymers or copolymers and component (II) is a polymer containing at least one sulphonate group.Type: GrantFiled: January 10, 2001Date of Patent: March 29, 2005Assignee: Mitsubishi Polyester Film GmbHInventors: Ursula Murschall, Ulrich Kern, Guenther Crass, Gottfried Hilkert
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Patent number: 6841222Abstract: The invention relates to a white, sealable, flame-retardant coextruded, biaxially oriented polyester film composed of at least one base layer B and of outer layers A and B applied to the two sides of this base layer. The film also comprises at least one flame retardant and one white pigment. The invention also includes the use of the film and a process for its production.Type: GrantFiled: February 7, 2001Date of Patent: January 11, 2005Assignee: Mitsubishi Polyester Film GmbHInventors: Ursula Murschall, Klaus Oberlaender, Guenther Crass, Ulrich Kern, Herbert Peiffer
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Publication number: 20040259986Abstract: The invention relates to a compound of the general formula: Z1—O—[m(R1PO3),n(R2HPO3]—Z2, in which [m(R1PO3)] represent a copolyphosphate, with m (R1PO3) units and n (R2HPO3) units; R3 represents an ammonium building block; R2 represents a 1,3,5-triazine building block; Z1 and Z2 represent ammonium or 1,3,5-triazine building blocks, to be chosen independently of each other; m and n represent whole numbers greater than or equal to 1; and m+n numbers greater than 3. The invention further relates to a method for the preparation of the above compound and to flame-retardant polymer compositions in which compounds with the above formula are applied as flame retardant, the use of the halogen-free compound in a coating composition and a substrate containing a coating formed from the coating composition that has been cured.Type: ApplicationFiled: August 10, 2004Publication date: December 23, 2004Inventors: Renier Henricus Maria Kierkels, Nicolaas Johanna Jozef Aelmans, Patricia Hubertina Cornelis Grolleman, Adrianus Wilhelmus Maria Braam
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Publication number: 20040121075Abstract: Methods that apply decorative particles in-line in the manufacturing process to form a decorative structured mat or veil that is ready for direct commercial application. The decorative particles or decorative paint patterns should be of a size and/or color to be visible at a distance of five meters from the decorative mat or veil. In preferred embodiments, the particle size ranges from about 100 to about 500 microns in size. A formulation for coating a glass fiber mat with decorative particles is also provided.Type: ApplicationFiled: December 19, 2002Publication date: June 24, 2004Inventors: Dale A. Grove, Freek Schreuder, Paul Geel, David R. Hartman
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Patent number: 6730406Abstract: The invention relates to a co-extruded, biaxially oriented polyester film consisting of a base layer and at least one outer layer. The film contains at least one flame-retardant agent, at least one UV-stabilizer and has a matt outer layer which contains a mixture and/or a blend of two components (I) and (II), whereby component (I) is substantially a polyethylene terephthalate homopolymer, or a polyethylene terephthalate copolymer, or a mixture of polyethylene terephthalate homopolymers or polyethylene terephthalate copolymers, and component (II) is a polymer containing at least one sulphonate group.Type: GrantFiled: July 18, 2002Date of Patent: May 4, 2004Assignee: Mitsubishi Polyester Film GmbHInventors: Ursula Murschall, Ulrich Kern, Guenther Crass, Gottfried Hilkert
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Patent number: 6730374Abstract: Disclosed is a triacetyl cellulose film comprising (a) a triphenyl monophosphate compound and (b) an aromatic polyol-bridged polyphosphate compound. Such a film exhibits a reduced rate of water vapor transmission.Type: GrantFiled: December 13, 2001Date of Patent: May 4, 2004Assignee: Eastman Kodak CompanyInventors: William J. Gamble, Joseph L. Lippert
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Patent number: 6709731Abstract: The invention relates to a sealable, UV-resistant and flame-retardant, coextruded, biaxially oriented polyester film with one matt side and composed of at least one base layer B and of, applied to the two sides of this base layer, a sealable outer layer A and matt outer layer C. The film also comprises at least one light stabilizer which is a UV stabilizer, and comprises a flame retardant. The invention also includes the use of the film and a process for its production.Type: GrantFiled: July 26, 2002Date of Patent: March 23, 2004Assignee: Mitsubishi Polyester Film GmbHInventors: Ursula Murschall, Ulrich Kern, Guenther Crass, Herbert Peiffer, Hans Mahl
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Patent number: 6689454Abstract: The invention relates to a white, flame-resistant, UV-stable, thermoformable, oriented film made from a crystallizable thermoplastic, the thickness of which lies in the range of from 10 &mgr;m to 350 &mgr;m. Said film comprises at least one white pigment, a flame-proofing agent and a UV absorber and is characterized by good stretchability and thermoformability, by good optical and mechanical properties and an economical production. The invention further relates to a method for the production of said film and the use thereof.Type: GrantFiled: July 19, 2002Date of Patent: February 10, 2004Assignee: Mitsubishi Polyester Film GmbHInventors: Ursula Murschall, Guenther Crass, Ulrich Kern, Klaus Oberlaender
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Patent number: 6649247Abstract: The invention relates to a sealable, flame-retardant, coextruded, biaxially oriented polyester film with one matt side, and composed of at least one base layer B and of, applied to the two sides of this base layer, a sealable outer layer A and a matt outer layer C. The film also comprises at least one flame retardant. The invention further relates to the use of the film and to a process for its production.Type: GrantFiled: July 26, 2002Date of Patent: November 18, 2003Assignee: Mitsubishi Polyester Film GmbHInventors: Ursula Murschall, Ulrich Kern, Guenther Crass, Herbert Peiffer, Hans Mahl
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Patent number: 6472070Abstract: The present invention is a fire-resistant paint containing an epoxy resin, a hardener, and an inorganic filler wherein {circle around (1)} for the total of 100 weight parts of the epoxy resin and the hardener, {circle around (2)} 200-500 weight parts of the inorganic filler, chosen from a group consisting of neutralized thermally expandable graphite, metal carbonate, and a hydrated inorganic compound is contained; {circle around (3)} for the inorganic filler, at least 15-400 weight parts of neutralized thermally expandable graphite is contained; and {circle around (4)} the viscosity of the fire-resistant paint is 1-1,000 ps as measured by a B-type viscometer. The fire-resistant paint of the present invention has particularly remarkable fire resistance, and can be used in a wide range of applications.Type: GrantFiled: July 7, 2000Date of Patent: October 29, 2002Assignee: Sekisui Chemical Co., Ltd.Inventors: Hitomi Muraoka, Masaki Tono, Kazuhiro Okada
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Patent number: 6270560Abstract: Salt mixtures made from aluminum phosphinates, aluminum hydroxide and/or aluminum phosphonates and/or aluminum phosphates are thermally stable and are suitable as flame retardants for polymeric molding compositions, in particular for polyesters and polyamides. The use of these salt mixtures is more effective and more cost-effective than the use of aluminum phosphinates alone.Type: GrantFiled: November 22, 1999Date of Patent: August 7, 2001Assignee: Ticona GmbHInventors: Hans-Jerg Kleiner, Winfried Budzinsky