Patents by Inventor Neil R. Granlund
Neil R. Granlund 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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Publication number: 20230331968Abstract: A composition comprising 10 to 50 wt% wood pulp fiber and 45 to 85 wt% thermoplastic polymer wherein the dilution level for detection in a bag at 40° C. is equal to or less than 450 as determined by ASTM E679.Type: ApplicationFiled: November 21, 2022Publication date: October 19, 2023Inventors: Robert T. Hamilton, Harshadkumar M. Shah, Jeffrey J. Cernohous, Neil R. Granlund, David E. Fish
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Patent number: 11345781Abstract: A melt-processable consumable material configured as a feedstock for use in an additive manufacturing system includes a polymeric matrix comprising one or more polyaryletherketones, wherein the polymeric matrix comprises between about 10 wt % and about 50 wt % of the total weight of the feedstock. The material includes radiation shielding particles dispersed within the polymer matrix wherein the radiation shielding particles comprise between about 50 wt % and less than 90 wt % of the total weight of the feedstock.Type: GrantFiled: July 23, 2019Date of Patent: May 31, 2022Assignee: Stratasys, Inc.Inventors: Andrew Hanson, Neil R. Granlund
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Publication number: 20210230804Abstract: A composition comprising 10 to 50 weight % wood pulp fiber, 45 to 85 weight % thermoplastic polymer and 0.1 to 5 weight % clear mineral oil having a specific gravity less than water. A composition comprising 65 to 85 wt % wood pulp fiber, 15 to 35 wt % thermoplastic polymer and 0.1 to 5 weight % mineral oil having a specific gravity less than water. The wood pulp fiber can be bleached chemical wood pulp fiber.Type: ApplicationFiled: April 16, 2021Publication date: July 29, 2021Applicant: International Paper CompanyInventors: Jason M. Cernohous, Neil R. Granlund
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Publication number: 20200406505Abstract: A composition including 6 to 50 weight percent wood pulp fiber and 45 to 93.45 weight percent thermoplastic polymer. In some embodiments, the average dispersion of the wood pulp fibers within the thermoplastic polymer is equal to or greater than 90% as determined by the Dispersion Test. In some embodiments, the dilution level for detection in a bang at 40° C. is equal to or less than 450 as determined by ASTM E679. In some embodiments, the composition further includes 0.5 to 5 weight percent of an additive, such as a compatibilizer, a coupling agent, an anti-oxidant, and/or a lubricant. In some embodiments, the wood pulp fiber is bleached chemical wood pulp fiber.Type: ApplicationFiled: September 16, 2020Publication date: December 31, 2020Applicant: International Paper CompanyInventors: Robert T. Hamilton, Harshadkumar M. Shah, David E. Fish, Neil R. Granlund, Jeffrey J. Cernohous
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Patent number: 10745562Abstract: Grafted polyethylene polymers and copolymers are reactively extruded to achieve enhanced rheological properties. The utilization of an oligomeric or polymeric wax in the reactive extrusion process with functionalized agents, results in improved rheological characteristics of the grafted polymer.Type: GrantFiled: August 16, 2017Date of Patent: August 18, 2020Assignee: SACO AEI POLMERS, INC.Inventors: Jeffrey Jacob Cernohous, David Geraint Roberts, Neil R. Granlund
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Publication number: 20200048435Abstract: A composition comprising 10 to 50 weight % wood pulp fiber and 45 to 85 wt % thermoplastic polymer wherein the composition has a brightness of at least 20 as measured by the Brightness Test. The wood pulp fiber can be bleached chemical wood pulp fiber. The brightness may be at least 30 as measured by the Brightness Test.Type: ApplicationFiled: April 18, 2019Publication date: February 13, 2020Applicant: International Paper CompanyInventors: Robert T. Hamilton, Harshadkumar M. Shah, Jeffrey J. Cernohous, Neil R. Granlund, David E. Fish
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Publication number: 20200048444Abstract: A composition comprising 10 to 50 wt % wood pulp fiber and 45 to 85 wt % thermoplastic polymer wherein the dilution level for detection in a bag at 40° C. is equal to or less than 450 as determined by ASTM E679.Type: ApplicationFiled: April 18, 2019Publication date: February 13, 2020Applicant: International Paper CompanyInventors: Robert T. Hamilton, Harshadkumar M. Shah, Jeffrey J. Cernohous, Neil R. Granlund, David E. Fish
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Publication number: 20200024394Abstract: A melt-processable consumable material configured as a feedstock for use in an additive manufacturing system includes a polymeric matrix comprising one or more polyaryletherketones, wherein the polymeric matrix comprises between about 10 wt % and about 50 wt % of the total weight of the feedstock. The material includes radiation shielding particles dispersed within the polymer matrix wherein the radiation shielding particles comprise between about 50 wt % and less than 90 wt % of the total weight of the feedstock.Type: ApplicationFiled: July 23, 2019Publication date: January 23, 2020Inventors: Andrew Hanson, Neil R. Granlund
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Patent number: 10457833Abstract: Part materials for additive manufacturing applications include materials with a fluoropolymer processing aid (material-FP). These materials include one or more thermoplastic polymers and one or more fluoropolymers as a processing aid. The material-FP is used to build parts with additive manufacturing systems. Parts built using material-FP have improved physical properties including improved strength in the z-direction of the parts. Composite systems such as reinforced filaments with the material-FP also have a higher density.Type: GrantFiled: December 20, 2016Date of Patent: October 29, 2019Assignee: STRATASYS, INC.Inventors: Neil R. Granlund, Adam R. Pawloski, Garrett S. Van Gorden, Luke M. B. Rodgers, Vittorio L. Jaker
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Publication number: 20190084185Abstract: A composition including 6 to 50 weight percent wood pulp fiber and 45 to 93.45 weight percent thermoplastic polymer. In some embodiments, the average dispersion of the wood pulp fibers within the thermoplastic polymer is equal to or greater than 90% as determined by the Dispersion Test. In some embodiments, the dilution level for detection in a bag at 40° C. is equal to or less than 450 as determined by ASTM E679. In some embodiments, the composition further includes 0.5 to 5 weight percent of an additive, such as a compatibilizer, a coupling agent, an anti-oxidant, and/or a lubricant. In some embodiments, the wood pulp fiber is bleached chemical wood pulp fiber.Type: ApplicationFiled: November 15, 2018Publication date: March 21, 2019Applicant: International Paper CompanyInventors: Robert T. Hamilton, Harshadkumar M. Shah, David E. Fish, Neil R. Granlund, Jeffrey J. Cernohous
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Publication number: 20180030275Abstract: Grafted polyethylene polymers and copolymers are reactively extruded to achieve enhanced rheological properties. The utilization of an oligomeric or polymeric wax in the reactive extrusion process with functionalized agents, results in improved rheological characteristics of the grafted polymer.Type: ApplicationFiled: August 16, 2017Publication date: February 1, 2018Applicant: SACO AEI Polymers, Inc.Inventors: Jeffrey Jacob Cernohous, David Geraint Roberts, Neil R. Granlund
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Publication number: 20170298521Abstract: A material for an additive manufacturing system having a build environment includes a filament coated with a barrier wherein barrier comprises less than about 1 wt % of the filament wherein the barrier substantially prevents the transmission of moisture or gasses into the filament.Type: ApplicationFiled: April 10, 2017Publication date: October 19, 2017Inventors: Benjamin A. Demuth, Adam R. Pawloski, Neil R. Granlund
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Patent number: 9708457Abstract: A moisture scavenger composition to address the processing of moisture sensitive materials or high moisture content materials in melt processable feed stocks. The moisture scavenger includes a desiccant, an elastomeric dispersant, and an optional hydrophillic synergist.Type: GrantFiled: March 11, 2013Date of Patent: July 18, 2017Assignee: Stratasys, Inc.Inventors: Jeffrey Jacob Cernohous, Neil R. Granlund
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Publication number: 20170174932Abstract: Part materials for additive manufacturing applications include materials with a fluoropolymer processing aid (material-FP). These materials include one or more thermoplastic polymers and one or more fluoropolymers as a processing aid. The material-FP is used to build parts with additive manufacturing systems. Parts built using material-FP have improved physical properties including improved strength in the z-direction of the parts. Composite systems such as reinforced filaments with the material-FP also have a higher density.Type: ApplicationFiled: December 20, 2016Publication date: June 22, 2017Inventors: Neil R. Granlund, Adam R. Pawloski, Garrett S. Van Gorden, Luke M.B. Rodgers, Vittorio L. Jaker
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Publication number: 20160289364Abstract: A grafted polymer derived from the free radical reaction of a polymer, a reactive low molecular weight polymer and optionally an ethylenically unsaturated reactive monomer is provided. The grafted polymer compositions may be produced using melt processing techniques, such as reactive extrusion. Composite compositions including the grafted polymer product, a host polymer, and a cellulosic filler are also provided.Type: ApplicationFiled: October 22, 2014Publication date: October 6, 2016Applicant: SACO AEI Polymers, Inc.Inventors: Christopher L. Ross, Jeffrey Jacob Cernohous, Neil R. Granlund, David Geraint Roberts
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Publication number: 20160201266Abstract: A composition comprising 10 to 50 weight % wood pulp fiber, 45 to 85 weight % thermoplastic polymer and 0.1 to 5 weight % clear mineral oil having a specific gravity less than water. A composition comprising 65 to 85 wt % wood pulp fiber, 15 to 35 wt % thermoplastic polymer and 0.1 to 5 weight % mineral oil having a specific gravity less than water. The wood pulp fiber can be bleached chemical wood pulp fiber.Type: ApplicationFiled: March 22, 2016Publication date: July 14, 2016Applicant: WEYERHAEUSER NR COMPANYInventors: Jason M. Cernohous, Neil R. Granlund
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Publication number: 20150376409Abstract: Grafted polyethylene polymers and copolymers are reactively extruded to achieve enhanced rheological properties. The utilization of an oligomeric or polymeric wax in the reactive extrusion process with functionalized agents, results in improved rheological characteristics of the grafted polymer.Type: ApplicationFiled: March 13, 2014Publication date: December 31, 2015Applicant: SACO POLYMERS, INC.Inventors: Jeffrey Jacob Cernohous, David Geraint Roberts, Neil R. Granlund
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Patent number: 9109117Abstract: In the process of forming a wood pulp fiber and thermoplastic polymer composition the step of adding mineral oil to the composition during mixing.Type: GrantFiled: September 27, 2012Date of Patent: August 18, 2015Assignee: Weyerhaeuser NR CompanyInventors: Jason M. Cernohous, Neil R. Granlund
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Patent number: 8722773Abstract: A composition comprising 65 to 90 weight percent kraft chemical wood pulp fibers and a thermoplastic polymer and a method of making the composition.Type: GrantFiled: June 27, 2011Date of Patent: May 13, 2014Assignee: Weyerhaeuser NR CompanyInventors: Robert T. Hamilton, Harshadkumar M. Shah, Jeffrey Jacob Cernohous, Neil R. Granlund, David E. Fish
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Publication number: 20140005307Abstract: A moisture scavenger composition to address the processing of moisture sensitive materials or high moisture content materials in melt processable feed stocks. The moisture scavenger includes a desiccant, an elastomeric dispersant, and an optional hydrophillic synergist.Type: ApplicationFiled: March 11, 2013Publication date: January 2, 2014Applicant: Interfacial Solutions IP, LLCInventors: Jeffrey Jacob Cernohous, Neil R. Granlund