Patents by Inventor Johannes Mathar
Johannes Mathar 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: 11952489Abstract: A film is shown and described which contains 10 to 50 wt. % of a component A and 50 to 90 wt. % of a component B, based on the sum of the components A and B, component A being selected from the group consisting of polymers that are obtainable from ring-opening polymerization and have a glass transition temperature (Tg) lower than ?30° C. and component B being selected from the group consisting of thermoplastic aliphatic copolyesters and mixtures thereof, and the film having a total thickness of 1 to 200 ?m.Type: GrantFiled: March 26, 2018Date of Patent: April 9, 2024Assignee: BIO-TECH BIOLOGISCHE NATURVERPACKUNGEN GMBH & CO. KGInventors: Harald Schmidt, Johannes Mathar, Thorsten Roloff, Wolfgang Friedek
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Publication number: 20220297414Abstract: A multi-layer polymer film comprising at least one middle layer A, the polymeric constituents of which are soluble in aqueous solution, and at least one substantially water-impermeable covering layer B or C arranged above and/or below the at least one middle layer A, wherein the layers A, B and C independently of each other in each case comprise at least one thermoplastic polymer and at least one of the covering layers B and C comprises at least one polyhydroxyalkanoate. Processes for the production of the multi-layer polymer film according to the invention and its use for the production of molded parts, films or bags are furthermore presented and described.Type: ApplicationFiled: June 13, 2022Publication date: September 22, 2022Inventors: Ralf Hackfort, Johannes Mathar, Frank Rörthmans, Harald Schmidt, Christoph Hess
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Patent number: 11358378Abstract: A multi-layer polymer film comprising at least one middle layer A, the polymeric constituents of which are soluble in aqueous solution, and in each case at least one substantially water-impermeable covering layer B, C arranged above and below the at least one middle layer A, wherein the layers A, B and C independently of each other in each case comprise at least one thermoplastic polymer and at least one of the covering layers B and C comprises at least one polyhydroxyalkanoate is presented and described. Processes for the production of the multi-layer polymer film according to the invention and its use for the production of molded parts, films or bags are furthermore presented and described.Type: GrantFiled: November 19, 2015Date of Patent: June 14, 2022Assignee: BIO-TEC BIOLOGISCHE NATURVERPACKUNGEN GMBH & CO. KG.Inventors: Ralf Hackfort, Johannes Mathar, Frank Rörthmans, Harald Schmidt, Christoph Hess
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Publication number: 20210130606Abstract: A film is shown and described which comprises 10-90 wt. % of a component A and 10-90 wt. % of a component B, based on the sum of the components A and B, A being a polyhydroxyalkanoate and B being an aliphatic copolyester composed of at least one diol component and at least one dicarboxylic acid component, and the film having a total thickness of 1 to 200 ?m.Type: ApplicationFiled: March 26, 2018Publication date: May 6, 2021Inventors: Wolfgang Friedek, Johannes Mathar, Thorsten Roloff, Harald Schmidt
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Publication number: 20200056037Abstract: A film is shown and described which contains 10 to 50 wt. % of a component A and 50 to 90 wt. % of a component B, based on the sum of the components A and B, component A being selected from the group consisting of polymers that are obtainable from ring-opening polymerization and have a glass transition temperature (Tg) lower than ?30° C. and component B being selected from the group consisting of thermoplastic aliphatic copolyesters and mixtures thereof, and the film having a total thickness of 1 to 200 ?m.Type: ApplicationFiled: March 26, 2018Publication date: February 20, 2020Inventors: Harald Schmidt, Johannes Mathar, Thorsten Roloff, Wolfgang Friedek
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Publication number: 20180345637Abstract: A multi-layer polymer film comprising at least one middle layer A, the polymeric constituents of which are soluble in aqueous solution, and in each case at least one substantially water-impermeable covering layer B, C arranged above and below the at least one middle layer A, wherein the layers A, B and C independently of each other in each case comprise at least one thermoplastic polymer and at least one of the covering layers B and C comprises at least one polyhydroxyalkanoate is presented and described. Processes for the production of the multi-layer polymer film according to the invention and its use for the production of molded parts, films or bags are furthermore presented and described.Type: ApplicationFiled: November 19, 2015Publication date: December 6, 2018Inventors: Ralf Hackfort, Johannes Mathar, Frank Rörthmans, Harald Schmidt, Christoph Hess
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Patent number: 9228066Abstract: A method for the production of a polymer material is shown and described, which is characterized by: a) producing a mixture containing at least 1 to 75 wt.-% starch and/or starch derivative, 10 to 85 wt.-% polyester, and 0.01 to 7 wt.-% of a polymer containing an epoxy group; (b) homogenizing the mixture while supplying thermal and/or mechanical energy; (c) setting the water content of the mixture, so that the end product has a water content less than approximately 12 wt.-%, in relation to the total composition of the mixture. The polymer material produced with the method according to the invention is characterized by outstanding mechanical properties.Type: GrantFiled: October 22, 2008Date of Patent: January 5, 2016Assignee: BIOTEC BIOLOGISCHE NATURVERPACKUNGEN GMBH & CO. KGInventors: Harald Schmidt, Christoph Hess, Johannes Mathar, Ralf Hackfort
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Patent number: 8715816Abstract: A multilayered film is shown and described that is used in particular for packaging, which comprises at least one first layer A and at least one second layer B, wherein layer A contains thermoplastic polyester and layer B contains thermoplastic starch. The multilayered film according to the invention is characterized by excellent barrier properties, low sensitivity to moisture, and good mechanical strength.Type: GrantFiled: April 11, 2007Date of Patent: May 6, 2014Assignee: Biotec Biologische Naturverpackungen GmbH & Co. KGInventors: Harald Schmidt, Christoph Hess, Johannes Mathar, Ralf Hackfort
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Patent number: 8563652Abstract: A thermoplastic polymer material containing starch is shown and described, which can be obtained by homogenizing a mixture containing 40 to 85 wt.-% starch and/or starch derivative, 15 to 55 wt.-% softener, and 0.01 to 7 wt.-% of a polymer which contains an epoxy group, while supplying thermal and/or mechanical energy and setting the water content of the mixture to less than approximately 12 wt.-%. The polymer material according to the invention is characterized by outstanding mechanical properties.Type: GrantFiled: October 22, 2008Date of Patent: October 22, 2013Assignee: Biotec Biologische Naturverpackungen GmbH & Co. KGInventors: Harald Schmidt, Christoph Hess, Johannes Mathar, Ralf Hackfort
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Patent number: 8513354Abstract: A thermoplastic polymer material containing starch is shown and described, which can be obtained by homogenizing a mixture containing 40 to 85 wt.-% starch and/or starch derivative, 15 to 55 wt.-% softener, and 0.01 to 7 wt.-% of a polymer which contains an epoxy group, while supplying thermal and/or mechanical energy and setting the water content of the mixture to less than approximately 12 wt.-%. The polymer material according to the invention is characterized by outstanding mechanical properties.Type: GrantFiled: October 22, 2008Date of Patent: August 20, 2013Assignee: Biotec Biologische Naturverpackungen GmbH & Co. KGInventors: Harald Schmidt, Christoph Hess, Johannes Mathar, Ralf Hackfort
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Publication number: 20100305240Abstract: A thermoplastic polymer material containing starch is shown and described, which can be obtained by homogenizing a mixture containing 40 to 85 wt.-% starch and/or starch derivative, 15 to 55 wt.-% softener, and 0.01 to 7 wt.-% of a polymer which contains an epoxy group, while supplying thermal and/or mechanical energy and setting the water content of the mixture to less than approximately 12 wt.-%. The polymer material according to the invention is characterized by outstanding mechanical properties.Type: ApplicationFiled: October 22, 2008Publication date: December 2, 2010Inventors: Harald Schmidt, Christoph Hess, Johannes Mathar, Ralf Hackfort
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Publication number: 20100249268Abstract: A method for the production of a polymer material is shown and described, which is characterized by: (a) producing a mixture containing at least 1 to 75 wt.-% starch and/or starch derivative, 10 to 85 wt.-% polyester, and 0.01 to 7 wt.-% of a polymer containing an epoxy group; (b) homogenizing the mixture while supplying thermal and/or mechanical energy; (c) setting the water content of the mixture, so that the end product has a water content of less than approximately 12 wt.-%, in relation to the total composition of the mixture. The polymer material produced with the method according to the invention is characterized by outstanding mechanical properties.Type: ApplicationFiled: October 22, 2008Publication date: September 30, 2010Inventors: Harald Schmidt, Christoph Hess, Johannes Mathar, Ralf Hackfort
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Publication number: 20090179069Abstract: A multilayered film is shown and described that is used in particular for packaging, which comprises at least one first layer A and at least one second layer B, wherein layer A contains thermoplastic polyester and layer B contains thermoplastic starch. The multilayered film according to the invention is characterized by excellent barrier properties, low sensitivity to moisture, and good mechanical strength.Type: ApplicationFiled: April 11, 2007Publication date: July 16, 2009Inventors: Harald Schmidt, Christoph Hess, Johannes Mathar, Ralf Hackfort