Patents by Inventor Llewellyn Bentley Richardson, III
Llewellyn Bentley Richardson, III 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: 20170217120Abstract: A multilayer laminate comprising in order, a polymeric film layer capable of withstanding a temperature of at least 200 C for at least 10 min, an adhesive layer having an areal weight of from 2 to 40 gsm capable of activation at a temperature of from 75 to 200 degrees C. and an inorganic refractory layer wherein the refractory layer comprises platelets in an amount at least 85% by weight with a dry areal weight of 15 to 50 gsm and has a residual moisture content of no greater than 10 percent by weight.Type: ApplicationFiled: April 20, 2017Publication date: August 3, 2017Inventors: LLEWELLYN BENTLEY RICHARDSON, III, DARIUSZ WLODZIMIERZ KAWKA
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Patent number: 9643711Abstract: A multilayer laminate for use as a flame barrier in an aircraft comprising (i) a polymeric film layer capable of withstanding a temperature of at least 200 C for at least 10 min, (ii) an adhesive layer having an areal weight of from 2 to 40 gsm capable of activation at a temperature of from 75 to 200 degrees C., (iii) an inorganic refractory layer, and (iv) aramid paper comprising from 50 to 90 weight percent of aramid fibers and from 10 to 50 weight percent of meta-aramid binder wherein the inorganic refractory layer of (iii) comprises platelets in an amount of at least 85% by weight with a dry areal weight of 15 to 50 gsm and a residual moisture content of no greater than 10 percent by weight.Type: GrantFiled: May 6, 2015Date of Patent: May 9, 2017Assignee: E I DU PONT DE NEMOURS AND COMPANYInventors: Llewellyn Bentley Richardson, III, Dariusz Wlodzimierz Kawka
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Patent number: 9434142Abstract: A method of making a composite sandwich panel comprises the steps of (i) making a core structure, (ii) making at least one facesheet, (iii) bonding at least one of the at least one facesheets to the core structure, wherein the growth of a carbon nanotube structure is achieved during at least one of steps (i) to (iii).Type: GrantFiled: January 25, 2013Date of Patent: September 6, 2016Assignee: E I DU PONT DE NEMOURS AND COMPANYInventors: Mikhail R Levit, Llewellyn Bentley Richardson, III, Warren Francis Knoff, Dariusz Wlodzimierz Kawka
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Publication number: 20160101604Abstract: A multilayer laminate comprising a first polymeric film layer capable of withstanding a temperature of at least 200 C for at least 10 min, a first adhesive layer having an areal weight of from 2 to 40 gsm capable of activation at a temperature of from 75 to 200 degrees C., an inorganic refractory layer comprising platelets in an amount of at least 85% by weight with a dry areal weight of 15 to 50 gsm and having a residual moisture content of no greater than 10 percent by weight, a second adhesive layer having an areal weight of from 4 to 40 gsm capable of activation at a temperature of from 75 to 200 degrees C. and a second polymeric film layer capable of withstanding a temperature of at least 200 C for at least 10 minutes.Type: ApplicationFiled: December 17, 2015Publication date: April 14, 2016Inventors: Llewellyn Bentley Richardson, III, Dariusz Wlodzimierz Kawka
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Patent number: 9242717Abstract: A multilayer laminate comprising a first polymeric film layer capable of withstanding a temperature of at least 200 C for at least 10 min, a first adhesive layer having an areal weight of from 2 to 40 gsm capable of activation at a temperature of from 75 to 200 degrees C., an inorganic refractory layer comprising platelets in an amount of at least 85% by weight with a dry areal weight of 15 to 50 gsm and having a residual moisture content of no greater than 10 percent by weight, a second adhesive layer having an areal weight of from 4 to 40 gsm capable of activation at a temperature of from 75 to 200 degrees C. and a second polymeric film layer capable of withstanding a temperature of at least 200 C for at least 10 minutes.Type: GrantFiled: November 15, 2013Date of Patent: January 26, 2016Assignee: E I DU PONT DE NEMOURS AND COMPANYInventors: Llewellyn Bentley Richardson, III, Dariusz Wlodzimierz Kawka
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Patent number: 9238505Abstract: A multilayer laminate comprising in order, a polymeric film layer capable of withstanding a temperature of at least 200 C for at least 10 min, an adhesive layer having an areal weight of from 2 to 40 gsm capable of activation at a temperature of from 75 to 200 degrees C. and an inorganic refractory layer wherein the refractory layer comprises platelets in an amount at least 85% by weight with a dry areal weight of 15 to 50 gsm and has a residual moisture content of no greater than 10 percent by weight.Type: GrantFiled: November 15, 2013Date of Patent: January 19, 2016Assignee: E I DU PONT DE NEMOURS AND COMPANYInventors: Llewellyn Bentley Richardson, III, Dariusz Wlodzimierz Kawka
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Publication number: 20150367608Abstract: A multilayer laminate comprising in order, a polymeric film layer capable of withstanding a temperature of at least 200 C for at least 10 min, an adhesive layer having an areal weight of from 2 to 40 gsm capable of activation at a temperature of from 75 to 200 degrees C. and an inorganic refractory layer wherein the refractory layer comprises platelets in an amount at least 85% by weight with a dry areal weight of 15 to 50 gsm and has a residual moisture content of no greater than 10 percent by weight.Type: ApplicationFiled: August 27, 2015Publication date: December 24, 2015Inventors: LLEWELLYN BENTLEY RICHARDSON, III, WARREN FRANCIS KNOFF, JIAN WANG
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Publication number: 20150353184Abstract: A multilayer laminate for use as a flame barrier in an aircraft comprising (i) a polymeric film layer capable of withstanding a temperature of at least 200 C for at least 10 min, (ii) an adhesive layer having an areal weight of from 2 to 40 gsm capable of activation at a temperature of from 75 to 200 degrees C., (iii) an inorganic refractory layer, and (iv) aramid paper comprising from 50 to 90 weight percent of aramid fibers and from 10 to 50 weight percent of meta-aramid binder wherein the inorganic refractory layer of (iii) comprises platelets in an amount of at least 85% by weight with a dry areal weight of 15 to 50 gsm and a residual moisture content of no greater than 10 percent by weight.Type: ApplicationFiled: May 6, 2015Publication date: December 10, 2015Inventors: LLEWELLYN BENTLEY RICHARDSON, III, WARREN FRANCIS KNOFF, JIAN WANG
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Patent number: 9056666Abstract: A multilayer laminate for use as a flame barrier in an aircraft comprising (i) a polymeric film layer capable of withstanding a temperature of at least 200 C for at least 10 min, (ii) an adhesive layer having an areal weight of from 2 to 40 gsm capable of activation at a temperature of from 75 to 200 degrees C., (iii) an inorganic refractory layer, and (iv) aramid paper comprising from 50 to 90 weight percent of aramid fibers and from 10 to 50 weight percent of meta-aramid binder wherein the inorganic refractory layer of (iii) comprises platelets in an amount of at least 85% by weight with a dry areal weight of 15 to 50 gsm and a residual moisture content of no greater than 10 percent by weight.Type: GrantFiled: November 12, 2013Date of Patent: June 16, 2015Assignee: E I DU PONT DE NEMOURS AND COMPANYInventors: Llewellyn Bentley Richardson, III, Dariusz Wlodzimierz Kawka
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Publication number: 20140072763Abstract: A multilayer laminate comprising a first polymeric film layer capable of withstanding a temperature of at least 200 C for at least 10 min, a first adhesive layer having an areal weight of from 2 to 40 gsm capable of activation at a temperature of from 75 to 200 degrees C., an inorganic refractory layer comprising platelets in an amount of at least 85% by weight with a dry areal weight of 15 to 50 gsm and having a residual moisture content of no greater than 10 percent by weight, a second adhesive layer having an areal weight of from 4 to 40 gsm capable of activation at a temperature of from 75 to 200 degrees C. and a second polymeric film layer capable of withstanding a temperature of at least 200 C for at least 10 minutes.Type: ApplicationFiled: November 15, 2013Publication date: March 13, 2014Applicant: E I DU PONT DE NEMOURS AND COMPANYInventors: Llewellyn Bentley Richardson, III, Dariusz Wlodzimierz Kawka
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Publication number: 20140072762Abstract: A multilayer laminate comprising in order, a polymeric film layer capable of withstanding a temperature of at least 200 C for at least 10 min, an adhesive layer having an areal weight of from 2 to 40 gsm capable of activation at a temperature of from 75 to 200 degrees C. and an inorganic refractory layer wherein the refractory layer comprises platelets in an amount at least 85% by weight with a dry areal weight of 15 to 50 gsm and has a residual moisture content of no greater than 10 percent by weight.Type: ApplicationFiled: November 15, 2013Publication date: March 13, 2014Applicant: E I DU PONT DE NEMOURS AND COMPANYInventors: Llewellyn Bentley Richardson III, Dariusz Wlodzimierz Kawka
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Publication number: 20140065357Abstract: A multilayer laminate for use as a flame barrier in an aircraft comprising (i) a polymeric film layer capable of withstanding a temperature of at least 200 C for at least 10 min, (ii) an adhesive layer having an areal weight of from 2 to 40 gsm capable of activation at a temperature of from 75 to 200 degrees C., (iii) an inorganic refractory layer, and (iv) aramid paper comprising from 50 to 90 weight percent of aramid fibers and from 10 to 50 weight percent of meta-aramid binder wherein the inorganic refractory layer of (iii) comprises platelets in an amount of at least 85% by weight with a dry areal weight of 15 to 50 gsm and a residual moisture content of no greater than 10 percent by weight.Type: ApplicationFiled: November 12, 2013Publication date: March 6, 2014Applicant: E I Du Pont De Nemours And CompanyInventors: LLEWELLYN BENTLEY RICHARDSON, III, DARIUSZ WLODZIMIERZ KAWKA
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Patent number: 8607927Abstract: A multilayer laminate comprising a first polymeric film layer capable of withstanding a temperature of at least 200 C for at least 10 min, a first adhesive layer having an areal weight of from 2 to 40 gsm capable of activation at a temperature of from 75 to 200 degrees C., an inorganic refractory layer, a second adhesive layer having an areal weight of from 4 to 40 gsm capable of activation at a temperature of from 75 to 200 degrees C. and a second polymeric film layer capable of withstanding a temperature of at least 200 C for at least 10 min, wherein at least one of the first or second polymeric film layers is thermoplastic.Type: GrantFiled: December 14, 2011Date of Patent: December 17, 2013Assignee: E I du Pont de Nemours and CompanyInventors: Llewellyn Bentley Richardson, III, Dariusz Wlodzimierz Kawka
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Patent number: 8607926Abstract: A multilayer laminate comprising in order, a polymeric film layer capable of withstanding a temperature of at least 200 C for at least 10 min, an adhesive layer having an areal weight of from 2 to 40 gsm capable of activation at a temperature of from 75 to 200 degrees C. and an inorganic refractory layer.Type: GrantFiled: December 14, 2011Date of Patent: December 17, 2013Assignee: E I du Pont de Nemours and CompanyInventors: Llewellyn Bentley Richardson, III, Dariusz Wlodzimierz Kawka
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Patent number: 8607928Abstract: A multilayer laminate for use as a flame barrier in an aircraft comprising a polymeric film layer capable of withstanding a temperature of at least 200 C for at least 10 min, an adhesive layer, an inorganic refractory layer and an aramid paper comprising from 50 to 90 weight percent of aramid fibers and from 10 to 50 weight percent of meta-aramid binder.Type: GrantFiled: December 14, 2011Date of Patent: December 17, 2013Assignee: E I du Pont de Nemours and CompanyInventors: Llewellyn Bentley Richardson, III, Dariusz Wlodzimierz Kawka
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Publication number: 20130196175Abstract: A method of making a composite sandwich panel comprises the steps of (i) making a core structure, (ii) making at least one facesheet, (iii) bonding at least one of the at least one facesheets to the core structure, wherein the growth of a carbon nanotube structure is achieved during at least one of steps (i) to (iii).Type: ApplicationFiled: January 25, 2013Publication date: August 1, 2013Applicant: E I DU PONT DE NEMOURS AND COMPANYInventors: Mikhail R. LEVIT, Llewellyn Bentley RICHARDSON, III, Warren Francis KNOFF, Dariusz Wlodzimierz KAWKA
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Patent number: 8387748Abstract: This invention is directed to a composite laminate comprising in order (a) a flame retardant polymeric moisture barrier (b) an inorganic platelet layer and (c) a flame retardant thermoplastic film layer The invention is also directed to a thermal insulation and acoustic blanket comprising a core of fibrous material or foam surrounded by the above composite laminate wherein the thermoplastic film layer of the composite laminate contacts and encapsulates the core.Type: GrantFiled: August 28, 2012Date of Patent: March 5, 2013Assignee: E I du Pont de Nemours and CompanyInventors: Llewellyn Bentley Richardson, III, Jian Wang, Warren Francis Knoff
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Publication number: 20120321848Abstract: A multilayer laminate comprising in order, a polymeric film layer capable of withstanding a temperature of at least 200 C. for at least 10 min, an adhesive layer having an areal weight of from 2 to 40 gsm capable of activation at a temperature of from 75 to 200 degrees C. and an inorganic refractory layer.Type: ApplicationFiled: December 14, 2011Publication date: December 20, 2012Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventors: Llewellyn Bentley Richardson III, Dariusz Wlodzimierz Kawka
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Patent number: RE46658Abstract: This invention is directed to a composite laminate comprising in order (a) a flame retardant polymeric moisture barrier (b) an inorganic platelet layer and (c) a flame retardant thermoplastic film layer The invention is also directed to a thermal insulation and acoustic blanket comprising a core of fibrous material or foam surrounded by the above composite laminate wherein the thermoplastic film layer of the composite laminate contacts and encapsulates the core.Type: GrantFiled: October 15, 2014Date of Patent: January 2, 2018Assignee: E I DU PONT DE NEMOURS AND COMPANYInventors: Llewellyn Bentley Richardson, III, Warren Francis Knoff, Jian Wang
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Patent number: RE46859Abstract: This invention is directed to a composite laminate comprising in order (a) a flame retardant polymeric moisture barrier (b) an inorganic platelet layer and (c) a flame retardant thermoplastic film layer The invention is also directed to a thermal insulation and acoustic blanket comprising a core of fibrous material or foam surrounded by the above composite laminate wherein the thermoplastic film layer of the composite laminate contacts and encapsulates the core.Type: GrantFiled: October 15, 2014Date of Patent: May 22, 2018Assignee: E I DU PONT DE NEMOURS AND COMPANYInventors: Llewellyn Bentley Richardson, III, Warren Francis Knoff, Jian Wang