Patents by Inventor Mark H. Hartmann
Mark H. Hartmann 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: 9434869Abstract: A viscose fiber comprises a fiber body including a regenerated cellulosic material and a plurality of microcapsules dispersed in the regenerated cellulosic material. The regenerated cellulosic material is derived from an organic plant material and the plurality of microcapsules containing a phase change material has a transition temperature in the range of 0° C. to 100° C., the phase change material providing thermal regulation based on at least one of absorption and release of latent heat at the transition temperature.Type: GrantFiled: April 13, 2012Date of Patent: September 6, 2016Assignee: OUTLAST TECHNOLOGIES, LLCInventors: Mark H. Hartmann, James B. Worley, Matthew North
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Publication number: 20130273365Abstract: A viscose fiber comprises a fiber body including a regenerated cellulosic material and a plurality of microcapsules dispersed in the regenerated cellulosic material. The regenerated cellulosic material is derived from an organic plant material and the plurality of microcapsules containing a phase change material has a transition temperature in the range of 0° C. to 100° C., the phase change material providing thermal regulation based on at least one of absorption and release of latent heat at the transition temperature.Type: ApplicationFiled: April 13, 2012Publication date: October 17, 2013Inventors: Mark H. Hartmann, James B. Worley, Matthew North
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Publication number: 20100294980Abstract: A viscose fiber comprises a fiber body including a regenerated cellulosic material and a plurality of microcapsules dispersed in the regenerated cellulosic material. The regenerated cellulosic material is derived from an organic plant material and the plurality of microcapsules containing a phase change material has a transition temperature in the range of 0° C. to 100° C., the phase change material providing thermal regulation based on at least one of absorption and release of latent heat at the transition temperature.Type: ApplicationFiled: August 4, 2010Publication date: November 25, 2010Applicant: OUTLAST TECHNOLOGIES, INC.Inventors: Mark H. Hartmann, James B. Worley, Matthew North
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Publication number: 20100196707Abstract: Multi-component fibers having enhanced reversible thermal properties and methods of manufacturing thereof are described. In one embodiment, a multi-component fiber includes a fiber body formed from a set of elongated members, and at least one of the set of elongated members includes a temperature regulating material having a latent heat of at least 40 J/g. The temperature regulating material provides thermal regulation based on at least one of absorption and release of the latent heat at the transition temperature. The multi-component fiber can be formed via a melt spinning process or a solution spinning process and can be used or incorporated in various products where a thermal regulating property is desired. For example, the multi-component fiber can be used in textiles, apparel, footwear, medical products, containers and packagings, buildings, appliances, and other products.Type: ApplicationFiled: January 5, 2010Publication date: August 5, 2010Applicant: Outlast Technologies, Inc.Inventors: Monte C. Magill, Mark H. Hartmann, Jeffrey S. Haggard, James E. Brang
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Patent number: 7666502Abstract: Multi-component fibers having enhanced reversible thermal properties and methods of manufacturing thereof are described. In one embodiment, a multi-component fiber includes a fiber body formed from a set of elongated members, and at least one of the set of elongated members includes a temperature regulating material having a latent heat of at least 40 J/g and a transition temperature in the range of 22° C. to 40° C. The temperature regulating material provides thermal regulation based on at least one of absorption and release of the latent heat at the transition temperature. The multi-component fiber can be formed via a melt spinning process or a solution spinning process and can be used or incorporated in various products where a thermal regulating property is desired. For example, the multi-component fiber can be used in textiles, apparel, footwear, medical products, containers and packagings, buildings, appliances, and other products.Type: GrantFiled: November 22, 2006Date of Patent: February 23, 2010Assignee: Outlast Technologies, Inc.Inventors: Monte C. Magill, Mark H. Hartmann, Jeffrey S. Haggard
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Patent number: 7666500Abstract: Multi-component fibers having enhanced reversible thermal properties and methods of manufacturing thereof are described. In one embodiment, a multi-component fiber includes a fiber body formed from a set of elongated members, and at least one of the set of elongated members includes a temperature regulating material having a latent heat of at least 40 J/g and a transition temperature in the range of 22° C. to 40° C. The temperature regulating material provides thermal regulation based on at least one of absorption and release of the latent heat at the transition temperature. The multi-component fiber can be formed via a melt spinning process or a solution spinning process and can be used or incorporated in various products where a thermal regulating property is desired. For example, the multi-component fiber can be used in textiles, apparel, footwear, medical products, containers and packagings, buildings, appliances, and other products.Type: GrantFiled: November 22, 2006Date of Patent: February 23, 2010Assignee: Outlast Technologies, Inc.Inventors: Monte C. Magill, Mark H. Hartmann, Jeffrey S. Haggard, James E. Brang
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Patent number: 7579078Abstract: Cellulosic fibers having enhanced reversible thermal properties and applications of such cellulosic fibers are described. In one embodiment, a cellulosic fiber includes a fiber body including a cellulosic material and a set of microcapsules dispersed in the cellulosic material. The set of microcapsules contain a phase change material having a latent heat of at least 40 J/g and a transition temperature in the range of 0° C. to 100° C., and the phase change material provides thermal regulation based on at least one of absorption and release of the latent heat at the transition temperature. The cellulosic fiber can be formed via a solution spinning process, and can be used in various products where thermal regulating properties are desired.Type: GrantFiled: July 27, 2006Date of Patent: August 25, 2009Assignee: Outlast Technologies, Inc.Inventors: Mark H. Hartmann, James B. Worley, Matthew North
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Patent number: 7241497Abstract: The invention relates to a multi-component fiber having enhanced reversible thermal properties and methods of manufacturing thereof. The multi-component fiber comprises a fiber body formed from a plurality of elongated members, at least one of the elongated members comprising a temperature regulating material dispersed therein. The temperature regulating material comprises a phase change material. The multi-component fiber may be formed via a melt spinning process or a solution spinning process and may be used or incorporated in various products where a thermal regulating property is desired. For example, the multi-component fiber may be used in textiles, apparel, footwear, medical products, containers and packagings, buildings, appliances, and other products.Type: GrantFiled: December 21, 2004Date of Patent: July 10, 2007Assignee: Outlast Technologies, Inc.Inventors: Monte C. Magill, Mark H. Hartmann, Jeffrey S. Haggard
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Patent number: 7160612Abstract: Multi-component fibers having enhanced reversible thermal properties and methods of manufacturing thereof are described. In one embodiment, a multi-component fiber includes a fiber body formed from a set of elongated members, and at least one of the set of elongated members includes a temperature regulating material having a latent heat of at least 40 J/g and a transition temperature in the range of 22° C. to 40° C. The temperature regulating material provides thermal regulation based on at least one of absorption and release of the latent heat at the transition temperature. The multi-component fiber can be formed via a melt spinning process or a solution spinning process and can be used or incorporated in various products where a thermal regulating property is desired. For example, the multi-component fiber can be used in textiles, apparel, footwear, medical products, containers and packagings, buildings, appliances, and other products.Type: GrantFiled: March 11, 2005Date of Patent: January 9, 2007Assignees: Outlast Technologies, Inc., Hills, Inc.Inventors: Monte C. Magill, Mark H. Hartmann, Jeffrey S. Haggard
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Patent number: 6855422Abstract: The invention relates to a multi-component fiber having enhanced reversible thermal properties and methods of manufacturing thereof. The multi-component fiber comprises a fiber body formed from a plurality of elongated members, at least one of the elongated members comprising a temperature regulating material dispersed therein. The temperature regulating material comprises a phase change material. The multi-component fiber may be formed via a melt spinning process or a solution spinning process and may be used or incorporated in various products where a thermal regulating property is desired. For example, the multi-component fiber may be used in textiles, apparel, footwear, medical products, containers and packagings, buildings, appliances, and other products.Type: GrantFiled: January 15, 2002Date of Patent: February 15, 2005Inventors: Monte C. Magill, Mark H. Hartmann, Jeffrey S. Haggard
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Patent number: 6689466Abstract: A stabilized phase change composition comprises a phase change material and a stabilizing agent selected from the group consisting of antioxidants and thermal stabilizers. The stabilizing agent provides oxidative or thermal stabilization to the phase change material. The stabilized phase change composition may be used or incorporated in a variety of processes (e.g., melt spinning processes, extrusion processes, injection molding processes, and so forth) to form articles having enhanced reversible thermal properties. Exemplary articles that may be formed include, by way of example and not by limitation, synthetic fibers (e.g., nylon fibers, polyester fibers, polyethylene fibers, polypropylene fibers, and multi-component fibers), fabric materials, textiles, films, foams, sheets, pellets, granules, rods, and injection molded articles.Type: GrantFiled: September 21, 2001Date of Patent: February 10, 2004Assignee: Outlast Technologies, Inc.Inventor: Mark H. Hartmann
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Publication number: 20030035951Abstract: The invention relates to a multi-component fiber having enhanced reversible thermal properties and methods of manufacturing thereof. The multi-component fiber comprises a fiber body formed from a plurality of elongated members, at least one of the elongated members comprising a temperature regulating material dispersed therein. The temperature regulating material comprises a phase change material. The multi-component fiber may be formed via a melt spinning process or a solution spinning process and may be used or incorporated in various products where a thermal regulating property is desired. For example, the multi-component fiber may be used in textiles, apparel, footwear, medical products, containers and packagings, buildings, appliances, and other products.Type: ApplicationFiled: January 15, 2002Publication date: February 20, 2003Inventors: Monte C. Magill, Mark H. Hartmann, Jeffrey S. Haggard
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Publication number: 20020054964Abstract: A stabilized phase change composition comprises a phase change material and a stabilizing agent selected from the group consisting of antioxidants and thermal stabilizers. The stabilizing agent provides oxidative or thermal stabilization to the phase change material. The stabilized phase change composition may be used or incorporated in a variety of processes (e.g., melt spinning processes, extrusion processes, injection molding processes, and so forth) to form articles having enhanced reversible thermal properties. Exemplary articles that may be formed include, by way of example and not by limitation, synthetic fibers (e.g., nylon fibers, polyester fibers, polyethylene fibers, polypropylene fibers, and multi-component fibers), fabric materials, textiles, films, foams, sheets, pellets, granules, rods, and injection molded articles.Type: ApplicationFiled: September 21, 2001Publication date: May 9, 2002Inventor: Mark H. Hartmann
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Patent number: 6353086Abstract: The invention relates to a lactic acid residue containing polymer composition and product having improved stability and to methods for the preparation and use thereof. The lactic acid residue containing polymer preferably includes a polylactide polymer having a number average molecular weight of between about 25,000 and about 200,000, lactide, if present at all, present in a concentration of less than 0.5 wt % based on the weight of the composition, and deactivating agents. Articles which can be manufactured from the lactic acid residue containing polymer composition include fibers, coated paper, films, moldings, and foam.Type: GrantFiled: July 24, 2000Date of Patent: March 5, 2002Assignee: Cargill, IncorporatedInventors: Jeffrey J. Kolstad, David R. Witzke, Mark H. Hartmann, Eric Stanley Hall, James Nangeroni
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Patent number: 6183814Abstract: A coated paper product including a paper layer and a polymer layer, wherein the polymer layer includes a polylactide polymer composition having a ratio of Mz to Mn of greater than about 6. The polymer composition, when melted, exhibits a die swell of greater than about 1.25 for a melt flow index of greater than about 2. Polymer lactide compositions, methods of manufacturing the polymer composition and the coated paper product, and articles produced therefrom are also described.Type: GrantFiled: May 23, 1997Date of Patent: February 6, 2001Assignee: Cargill, IncorporatedInventors: James Nangeroni, Mark H. Hartmann, Matthew L. Iwen, Christopher Michael Ryan, Jeffrey J. Kolstad, Kevin T. McCarthy
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Patent number: 6114495Abstract: The invention relates to a lactic acid residue containing polymer composition and product having improved stability and to methods for the preparation and use thereof. The lactic acid residue containing polymer preferably includes a polylactide polymer having a number average molecular weight of between about 25,000 and about 200,000, lactide, if present at all, present in a concentration of less than 0.5 wt % based on the weight of the composition, and deactivating agents. Articles which can be manufactured from the lactic acid residue containing polymer composition include fibers, coated paper, films, moldings, and foam.Type: GrantFiled: April 1, 1998Date of Patent: September 5, 2000Assignee: Cargill IncorporatedInventors: Jeffrey J. Kolstad, David R. Witzke, Mark H. Hartmann, Eric Stanley Hall, James Nangeroni
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Patent number: 5594095Abstract: A composition comprising a polylactide polymer with improved extensional viscosity and methods of making the same are disclosed. The polylactide polymer composition is prepared by providing in the composition polylactide polymer molecules which have been modified, relative to linear non-substituted polylactide, to provide increased molecular interaction among polylactide backbone chains in the composition. The preferred polylactide polymer composition has a number average molecular weight of at least about 10,000 (preferably at least 50,000) and a polydispersity of at least about 2.5. In addition, the polylactide polymer composition should have a neck-in ratio of less than about 0.8.Type: GrantFiled: July 27, 1994Date of Patent: January 14, 1997Assignee: Cargill, IncorporatedInventors: Patrick R. Gruber, Jeffrey J. Kolstad, David R. Witzke, Mark H. Hartmann, Andrea L. Brosch