Patents by Inventor Pierre Moulinie
Pierre Moulinie has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11680164Abstract: The invention relates to a thermoplastic composition comprising A) aromatic polycarbonate, B) 0.1 to 5 wt.-% one or more polyether polyols and C) 0.01 to 0.30 wt.-% 3,3?-thiodipropionic acid. The invention also relates to medical technology products or parts of medical technology products consisting of such compositions as well as to a process for sterilization of such moulded parts by means of irradiation. The polycarbonate compositions according to the invention show significantly less yellowing after irradiation than known compositions and still have good mechanical properties.Type: GrantFiled: April 12, 2019Date of Patent: June 20, 2023Assignee: Covestro Intellectual Property GmbH & Co. KGInventors: Derk Erich Wandner, Pierre Moulinie, Ralf Hufen
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Publication number: 20210179845Abstract: The invention relates to a thermoplastic composition comprising A) aromatic polycarbonate, B) 0.1 to 5 wt.-% one or more polyether polyols and C) 0.01 to 0.30 wt.-% 3,3?-thiodipropionic acid. The invention also relates to medical technology products or parts of medical technology products consisting of such compositions as well as to a process for sterilization of such moulded parts by means of irradiation. The polycarbonate compositions according to the invention show significantly less yellowing after irradiation than known compositions and still have good mechanical properties.Type: ApplicationFiled: April 12, 2019Publication date: June 17, 2021Inventors: Derk Erich WANDNER, Pierre MOULINIE, Ralf HUFEN
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Publication number: 20210139697Abstract: The invention relates to a thermoplastic composition comprising A) aromatic polycarbonate, B) 0.1 to 5 wt.-% one or more polyether polyol(s) and C) one or more thermal stabilizer(s) selected from the group consisting of thio compounds excluding the following component D, characterized in that the composition additionally comprises D) 3,3?-thiodipropionic acid, wherein the total amount of components C plus D is 0.01 to 1.0 wt.-%. The invention also relates to medical technology products or parts of medical technology products consisting of such compositions as well as to a process for sterilization of such moulded parts by means of irradiation. The polycarbonate compositions according to the invention show significantly less yellowing after irradiation than known compositions.Type: ApplicationFiled: April 12, 2019Publication date: May 13, 2021Inventors: Derk Erich WANDNER, Pierre MOULINIE, Ralf HUFEN
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Publication number: 20130090419Abstract: The present invention relates to compositions containing a polycarbonate including a bisphenol compound and an effective amount of a bishaloformate component present in an amount sufficient to reduce the average unbound bisphenol compound level found in water after immersion in deionized water for two weeks at 40° C. of the composition to less than about 20 ppb. Also provided are methods for increasing the water resistance of a polycarbonate composition. The method involves adding an effective amount of a bishaloformate component to the polycarbonate composition such that the polycarbonate composition has an average unbound bisphenol compound level found in water after immersion in deionized water for two weeks at 40° C. of less than about 20 ppb.Type: ApplicationFiled: October 5, 2011Publication date: April 11, 2013Applicant: Bayer MaterialScience LLCInventors: Rick L. Archey, James P. Mason, Pierre Moulinie, Richard Peterman, Mary Ann Wittig
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Publication number: 20110230595Abstract: A process for the production of impact-modified composition that contains polyalkylene terephthalate and polycarbonate resins is disclosed. The process includes (i) in a first step combining in the melt at 90 to 175° C. glycidyl ester with at least one member selected from the first group consisting of polyalkylene terephthalate and polycarbonate to obtain a molten mixture, said member in powder form, and (ii) in a subsequent step combining the molten mixture with at least one component selected from the second group consisting of polyalkylene terephthalate and polycarbonate to obtain a composition. The composition is characterized in high gloss value.Type: ApplicationFiled: May 10, 2011Publication date: September 22, 2011Applicant: BAYER MATERIALSCIENCE AGInventor: Pierre MOULINIE
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Patent number: 8013066Abstract: A process for the production of impact-modified composition that contains polyalkylene terephthalate and polycarbonate resins is disclosed. The process includes (i) in a first step combining in the melt at 90 to 175° C. glycidyl ester with at least one member selected from the first group consisting of polyalkylene terephthalate and polycarbonate to obtain a molten mixture, said member in powder form, and (ii) in a subsequent step combining the molten mixture with at least one component selected from the second group consisting of polyalkylene terephthalate and polycarbonate to obtain a composition. The composition is characterized in high gloss value.Type: GrantFiled: June 14, 2007Date of Patent: September 6, 2011Assignee: Bayer MaterialScience AGInventor: Pierre Moulinie
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Patent number: 7893135Abstract: The present invention relates to compositions comprising A) aromatic polycarbonate, B) polyalkylene terephthalate and C) a concentrate comprising polyalkylene terephthalate and at least one compound selected from the group consisting of ortho-phosphoric acid, phosphorous acid, carboxylic acid esters of ortho-phosphoric acid and carboxylic acid esters of phosphorous acid, Compositions of the present invention are distinguished by high melt stability. The present invention also relates to a process for the preparation of impact-modified polyalkylene terephthalate/polycarbonate compositions, wherein a concentrate of polyalkylene terephthalate with a phosphorus-containing additive is used.Type: GrantFiled: March 20, 2009Date of Patent: February 22, 2011Assignee: Bayer MaterialScience AGInventors: Pierre Moulinie, Ralf Hufen, Stephan Konrad, Dieter Wittmann
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Publication number: 20090247673Abstract: The present invention relates to compositions comprising A) aromatic polycarbonate, B) polyalkylene terephthalate and C) a concentrate comprising polyalkylene terephthalate and at least one compound selected from the group consisting of ortho-phosphoric acid, phosphorous acid, carboxylic acid esters of ortho-phosphoric acid and carboxylic acid esters of phosphorous acid, Compositions of the present invention are distinguished by high melt stability. The present invention also relates to a process for the preparation of impact-modified polyalkylene terephthalate/polycarbonate compositions, wherein a concentrate of polyalkylene terephthalate with a phosphorus-containing additive is used.Type: ApplicationFiled: March 20, 2009Publication date: October 1, 2009Applicant: Bayer MaterialScience AGInventors: Pierre MOULINIE, Ralf Hufen, Stephan Konrad, Dieter Wittmann
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Publication number: 20090215945Abstract: The present invention relates to an impact-modified polyalkylene terephthalate/polycarbonate composition comprising A) 41 to 97 parts by wt. (in each case based on the sum of the parts by weight of components A+B+C+D) of aromatic polycarbonate, B) 2 to 19 parts by wt. (in each case based on the sum of the parts by weight of components A+B+C+D) of polyalkylene terephthalate, C) 0.5 to 15 parts by wt. (in each case based on the sum of the parts by weight of components A+B+C+D) of rubber-modified graft polymer, D) 0.5 to 25 parts by wt. (in each case based on the sum of the parts by weight of components A+B+C+D) of a salt of a phosphinic acid, A composition of the present invention is distinguished by an optimum combination of high heat distortion temperature, good flameproofing and excellent mechanical properties (in particular high E modulus), the use of the polycarbonate compositions for the production of shaped articles and the shaped articles themselves.Type: ApplicationFiled: December 18, 2008Publication date: August 27, 2009Applicant: BAYER MATERIALSCIENCE AGInventors: Pierre MOULINIE, Vera BUCHHOLZ, Eckhard WENZ, Dieter WITTMANN
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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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Publication number: 20080214723Abstract: A process for the production of impact-modified composition that contains polyalkylene terephthalate and polycarbonate resins is disclosed. The process includes (i) in a first step combining in the melt at 90 to 175° C. glycidyl ester with at least one member selected from the first group consisting of polyalkylene terephthalate and polycarbonate to obtain a molten mixture, said member in powder form, and (ii) in a subsequent step combining the molten mixture with at least one component selected from the second group consisting of polyalkylene terephthalate and polycarbonate to obtain a composition. The composition is characterized in high gloss value.Type: ApplicationFiled: June 14, 2007Publication date: September 4, 2008Inventor: Pierre Moulinie
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Publication number: 20070060678Abstract: 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: ApplicationFiled: September 14, 2005Publication date: March 15, 2007Inventors: Eckhard Wenz, Pierre Moulinie, Thomas Eckel, Vera Buchholz, Dieter Wittmann, Bruce Hager, Fred Zaganiacz
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Patent number: 7041732Abstract: A compatible blend of polycarbonate resin with a vinyl (co)polymer blending partner is disclosed. The preparation of inventive blend comprise reactive blending of polycarbonate, a vinyl (co)polymer and a novel compatibilizer in the presence of a transesterification catalyst and under conditions of time and temperature designed to promote transesterification. The compatibilizer is the polymerized reaction product of at least one vinyl monomer that contains no hydroxy groups and a hydroxyl containing monomer conforming to (I) where R denotes H or C1–C4 alkyl, R1 denotes H, Cl, Br, C1–C4 alkyl, cyclohexyl, or C1–C4 alkoxy, a is 0 or 1, b is 0 or 1, c is 0 or 1, n is an integer of 0 to 4 and X is an OH group. The compatible blends of the invention are characterized by their improved properties.Type: GrantFiled: December 8, 2003Date of Patent: May 9, 2006Assignee: Bayer MaterialScience LLCInventors: Daniel H. Bolton, Pierre Moulinie, David M. Derikart, Nicanor Kohncke
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Publication number: 20040116624Abstract: A compatible blend of polycarbonate resin with a vinyl (co)polymer blending partner is disclosed. The preparation of inventive blend comprise reactive blending of polycarbonate, a vinyl (co)polymer and a novel compatibilizer in the presence of a transesterification catalyst and under conditions of time and temperature designed to promote transesterification.Type: ApplicationFiled: December 8, 2003Publication date: June 17, 2004Inventors: Daniel H. Bolton, Pierre Moulinie, David M. Derikart, Nicanor Kohncke
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Patent number: 6670420Abstract: A compatible blend of polycarbonate resin with a vinyl (co)polymer blending partner is disclosed. The preparation of inventive blend comprise reactive blending of polycarbonate, a vinyl (co)polymer and a novel compatibilizer in the presence of a transesterification catalyst and under conditions of time and temperature designed to promote transesterification. The compatibilizer is the polymerized reaction product of at least one vinyl monomer that contains no hydroxy groups and a hydroxyl containing monomer conforming to (I) where R denotes H or C1-C4 alkyl, R1 denotes H, Cl, Br, C1-C4 alkyl, cyclohexyl, or C1-C4 alkoxy, a is 0 or 1, b is 0 or 1, c is 0 or 1, n is an integer of 0 to 4 and X is an OH group. The compatible blends of the invention are characterized by their improved properties.Type: GrantFiled: January 18, 2002Date of Patent: December 30, 2003Assignee: Bayer CorporationInventors: Daniel H. Bolton, Pierre Moulinie, David M. Derikart, Nicanor Kohncke
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Publication number: 20020183447Abstract: A compatible blend of polycarbonate resin with a vinyl (co)polymer blending partner is disclosed. The preparation of inventive blend comprise reactive blending of polycarbonate, a vinyl (co)polymer and a novel compatibilizer in the presence of a transesterification catalyst and under conditions of time and temperature designed to promote transesterification.Type: ApplicationFiled: January 18, 2002Publication date: December 5, 2002Inventors: Daniel H. Bolton, Pierre Moulinie, David M. Derikart, Nicanor Kohncke
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Patent number: 6359069Abstract: A thermoplastic molding composition is disclosed containing polycarbonate resin and a copolymer of methyl methacrylate conforming structurally to: wherein x and y are integers calculated to result in a content of PMMA in the copolymer in the range of 80 to 90 mole %, and where R1 denotes —CH3, R2 denotes —C6H5 and R3 is a C1-C2-alkyl group. The composition is characterized in its transparence.Type: GrantFiled: August 10, 2000Date of Patent: March 19, 2002Assignee: Bayer CorporationInventors: Pierre Moulinié, Nicanor Köhncke