Patents by Inventor Richard Kurth
Richard Kurth 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: 20240139656Abstract: The disclosure relates to a membrane leaf packet, and a spiral membrane element including a plurality of such membrane leaf packets, including such elements exhibiting enhanced sanitary properties. Such membrane elements can be used for filtration, for example, in food-related fields, including filtering dairy, sugar and/or other liquid streams.Type: ApplicationFiled: November 6, 2023Publication date: May 2, 2024Inventors: David Richard Kimber, Christopher James Kurth
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Patent number: 8575226Abstract: A building material composite that includes a building substrate at least partially lined with a urethane material. The urethane material of the present invention is typically the reaction product of an A-side that includes an isocyanate and a B-side that typically includes: a blown vegetable oil, a cross-linking agent, and a catalyst; a blown vegetable oil and a multifunctional alcohol; or an esterified polyol and a catalyst where the esterified polyol is typically the reaction product of a first polyol and a blown vegetable oil.Type: GrantFiled: January 25, 2005Date of Patent: November 5, 2013Assignee: Rhino Linings CorporationInventors: Thomas M. Kurth, Richard A. Kurth, Robert B. Turner, Les P. Kreifels
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Patent number: 8449946Abstract: A method of applying a urethane material to a vehicle substrate that includes the steps of: providing a vehicle substrate; and applying a urethane material to the vehicle substrate where the urethane material typically includes the reaction product of an A-side that includes an isocyanate and a B-side that typically includes a blown soy oil, at least one polyol at least partially derived from petroleum, and a cross-linker. A vehicle composite that typically includes the vehicle substrate and the urethane material.Type: GrantFiled: November 21, 2011Date of Patent: May 28, 2013Assignee: Tandem Polymers, Inc.Inventors: Thomas M. Kurth, Richard A. Kurth, Robert B. Turner, Les P. Kreifels
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Patent number: 8333905Abstract: The present invention includes a polyol produced according to the process comprising reacting a multifunctional alcohol with a first multifunctional component to form a reaction product and reacting the reaction product with a vegetable oil to form a polyol. The present invention also relates to the material comprising the reaction product of an A-side and a B-side, wherein the A-side comprises an isocyanate and the B-side comprises the product formed by the process comprising the steps of reacting a multifunctional alcohol with a first multifunctional component to form a precursor polyol and then reacting the precursor polyol with a vegetable oil to form a vegetable based polyol with selectable functionality.Type: GrantFiled: October 31, 2007Date of Patent: December 18, 2012Assignee: Tandem Polymers, Inc.Inventors: Thomas M. Kurth, Richard A. Kurth, Robert B. Turner, Les P. Kreifels, Todd A. Van Thomme
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Publication number: 20120064244Abstract: A method of applying a urethane material to a vehicle substrate that includes the steps of: providing a vehicle substrate; and applying a urethane material to the vehicle substrate where the urethane material typically includes the reaction product of an A-side that includes an isocyanate and a B-side that typically includes a blown soy oil, at least one polyol at least partially derived from petroleum, and a cross-linker. A vehicle composite that typically includes the vehicle substrate and the urethane material.Type: ApplicationFiled: November 21, 2011Publication date: March 15, 2012Applicant: South Dakota Soybean Processors, LLCInventors: Thomas M. Kurth, Richard A. Kurth, Robert B. Turner, Les P. Kreifels
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Patent number: 8062710Abstract: A method for manufacturing a carpet material that typically includes applying a coating to a substrate where the coating includes the reaction product of a B-side that includes an esterified vegetable oil-based polyol and a catalyst and an A-side that includes an isocyanate and the reaction product of a B-side that includes a vegetable oil-based polyol and a catalyst and an A-side that includes an isocyanate. The polyols may optionally be blown, oxylated, and/or neutralized.Type: GrantFiled: September 29, 2009Date of Patent: November 22, 2011Assignee: Urethane Soy Systems CompanyInventors: Thomas M. Kurth, Richard A. Kurth, Robert B. Turner, Les P. Kreifels
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Patent number: 7932190Abstract: This invention provides methods and systems, e.g., to control the flow of photo-polymerizable resins. In the method, e.g., flow of a photo-polymerizable resin is restricted from illuminated resin exclusion regions on a substrate surface by precisely situated flow barriers. A system to control photo-polymerizable resin flow includes, e.g., a light source, a mask and a substrate.Type: GrantFiled: November 30, 2005Date of Patent: April 26, 2011Assignee: Caliper Life Sciences, IncInventors: Timothy B. Brown, Richard Kurth
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Publication number: 20100022675Abstract: A method for manufacturing a carpet material that typically includes applying a coating to a substrate where the coating includes the reaction product of a B-side that includes an esterified vegetable oil-based polyol and a catalyst and an A-side that includes an isocyanate and the reaction product of a B-side that includes a vegetable oil-based polyol and a catalyst and an A-side that includes an isocyanate. The polyols may optionally be blown, oxylated, and/or neutralized.Type: ApplicationFiled: September 29, 2009Publication date: January 28, 2010Inventors: Thomas M. Kurth, Richard A. Kurth, Robert B. Turner, Les P. Kreifels
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Patent number: 7595094Abstract: A method for manufacturing a carpet material that typically includes applying a coating To a substrate where the coating includes the reaction product of a B-side that includes an esterified vegetable oil-based polyol and a catalyst and an A-side that includes an isocyanate and the reaction product of a B-side that includes a vegetable oil-based polyol and a catalyst and an A-side that includes an isocyanate. The polyols may optionally be blown, oxylated, and/or neutralized.Type: GrantFiled: January 25, 2005Date of Patent: September 29, 2009Assignee: Urethane Soy Systems, Co.Inventors: Thomas M. Kurth, Richard A. Kurth, Robert B. Turner, Les P. Kreifels
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Publication number: 20090223620Abstract: A method of making a bio-based carpet material that includes the steps of: providing a griege goods having a top surface and a bottom surface; applying a pre-coat material to the bottom surface of the griege goods to form a pre-coated griege good; and applying a backing material to the bottom surface of the pre-coated griege good. The backing material includes the reaction product of a backing material A-side that has an isocyanate and a backing material B-side that has a transesterified blown vegetable oil which is the result of a heated combination of a blown vegetable oil, a multifunctional compound and a catalyst.Type: ApplicationFiled: May 22, 2009Publication date: September 10, 2009Inventors: Thomas M. Kurth, Richard A. Kurth, Robert B. Turner, Les P. Kreifels
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Patent number: 7537665Abstract: The present invention includes a method for making a bio-based carpet material by providing tufts, a backing, a pre-coat, and a backing material wherein the pre-coat includes the reaction product of a pre-coat A-side having a pre-coat isocyanate and a pre-coat B-side and the backing material includes the reaction product of a backing material A-side having an isocyanate and a backing material B-side. The pre-coat B-side and the backing material B-side may include a polyol derived from petroleum; a vegetable oil, cross-linker, and a catalyst; or a transesterified polyol.Type: GrantFiled: July 14, 2005Date of Patent: May 26, 2009Assignee: Urethane Soy Systems Company, Inc.Inventors: Thomas M. Kurth, Richard A. Kurth, Robert B. Turner, Les P. Kreifels
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Patent number: 7084230Abstract: The present invention generally includes material comprising the reaction product of an A-side comprising an isocyanate and a B-side comprising a crosslinker, a catalyst, and a modified vegetable oil. The present invention also generally includes a material comprising the reaction product of an A-side comprising an isocyanate and a B-side comprising an oxylation compound, a modified vegetable oil, and a catalyst.Type: GrantFiled: May 12, 2004Date of Patent: August 1, 2006Assignee: Urethane Soy Systems Company, Inc.Inventors: Thomas M. Kurth, Richard A. Kurth, Robert B. Turner, Les P. Kreifels
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Patent number: 7063877Abstract: The present invention includes a bio-based carpet material that includes tufts, a backing, a pre-coat, and a backing material wherein the pre-coat includes the reaction product of a pre-coat A-side having a pre-coat isocyanate and a pre-coat B-side and the backing material includes the reaction product of a backing material A-side having a backing material B-side. The pre-coat B-side and the backing material B-side may include a polyol at least partially derived from petroleum, a vegetable oil, and/or a transesterified polyol and a cross-linker and a catalyst.Type: GrantFiled: October 10, 2001Date of Patent: June 20, 2006Assignee: Urethane Soy Systems Company, Inc.Inventors: Thomas M. Kurth, Richard A. Kurth, Robert B. Turner, Les P. Kreifels
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Publication number: 20060121743Abstract: This invention provides methods and systems, e.g., to control the flow of photo-polymerizable resins. In the method, e.g., flow of a photo-polymerizable resin is restricted from illuminated resin exclusion regions on a substrate surface by precisely situated flow barriers. A system to control photo-polymerizable resin flow includes, e.g., a light source, a mask and a substrate.Type: ApplicationFiled: November 30, 2005Publication date: June 8, 2006Applicant: Caliper Life Sciences, Inc.Inventors: Timothy Brown, Richard Kurth
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Patent number: 7001853Abstract: This invention provides methods and systems, e.g., to control the flow of photo-polymerizable resins. In the method, e.g., flow of a photo-polymerizable resin is restricted from illuminated resin exclusion regions on a substrate surface by precisely situated flow barriers. A system to control photo-polymerizable resin flow includes, e.g., a light source, a mask and a substrate.Type: GrantFiled: August 28, 2003Date of Patent: February 21, 2006Assignee: Caliper Life Sciences, Inc.Inventors: Timothy B. Brown, Richard Kurth
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Patent number: 6979477Abstract: A vegetable oil-based coating and a method for applying the coating to a substrate where the coating includes the reaction product of a transesterified vegetable oil-based polyol, a catalyst, and an isocyanate; the reaction product of a vegetable oil based polyol, a cross-linker, a catalyst, and an isocyanate where the vegetable-oil based polyol may optionally be oxylated and/or neutralized.Type: GrantFiled: December 4, 2001Date of Patent: December 27, 2005Assignee: Urethane Soy Systems CompanyInventors: Thomas M. Kurth, Richard A. Kurth, Robert B. Turner, Les P. Kreifels
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Publication number: 20050260351Abstract: The present invention includes a method for making a bio-based carpet material by providing tufts, a backing, a pre-coat, and a backing material wherein the pre-coat includes the reaction product of a pre-coat A-side having a pre-coat isocyanate and a pre-coat B-side and the backing material includes the reaction product of a backing material A-side having an isocyanate and a backing material B-side. The pre-coat B-side and the backing material B-side may include a polyol derived from petroleum; a vegetable oil, cross-linker, and a catalyst; or a transesterified polyol.Type: ApplicationFiled: July 14, 2005Publication date: November 24, 2005Applicant: Urethane Soy Systems Company, Inc.Inventors: Thomas Kurth, Richard Kurth, Robert Turner, Les Kreifels
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Patent number: 6962636Abstract: The present invention includes a method for making a bio-based carpet material by providing tufts, a backing, a pre-coat, and a backing material wherein the pre-coat includes the reaction product of a pre-coat A-side having a pre-coat isocyanate and a pre-coat B-side and the backing material includes the reaction product of a backing material A-side having a backing material B-side. The pre-coat B-side and the backing material B-side may include a petroleum based polyol; a vegetable oil, cross-linker, and a catalyst; or a transesterified polyol.Type: GrantFiled: October 10, 2001Date of Patent: November 8, 2005Assignee: Urethane Soy Systems Company, Inc.Inventors: Thomas M. Kurth, Richard A. Kurth, Robert B. Turner, Les P. Kreifels
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Publication number: 20050131092Abstract: A building material composite that includes a building substrate at least partially lined with a urethane material. The urethane material of the present invention is typically the reaction product of an A-side that includes an isocyanate and a B-side that typically includes: a blown vegetable oil, a cross-linking agent, and a catalyst; a blown vegetable oil and a multifunctional alcohol; or an esterified polyol and a catalyst where the esterified polyol is typically the reaction product of a first polyol and a blown vegetable oil.Type: ApplicationFiled: January 25, 2005Publication date: June 16, 2005Applicant: Urethane Soy Systems CompanyInventors: Thomas Kurth, Richard Kurth, Robert Turner, Les Kreifels
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Publication number: 20050131093Abstract: A method for manufacturing a carpet material that typically includes applying a coating to a substrate where the coating includes the reaction product of a B-side that includes an esterified vegetable oil-based polyol and a catalyst and an A-side that includes an isocyanate and the reaction product of a B-side that includes a vegetable oil-based polyol and a catalyst and an A-side that includes an isocyanate. The polyols may optionally be blown, oxylated, and/or neutralized.Type: ApplicationFiled: January 25, 2005Publication date: June 16, 2005Applicant: Urethane Soy Systems CompanyInventors: Thomas Kurth, Richard Kurth, Robert Turner, Les Kreifels