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).

  • Publication number: 20240139656
    Abstract: 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: Application
    Filed: November 6, 2023
    Publication date: May 2, 2024
    Inventors: David Richard Kimber, Christopher James Kurth
  • Patent number: 8575226
    Abstract: 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: Grant
    Filed: January 25, 2005
    Date of Patent: November 5, 2013
    Assignee: Rhino Linings Corporation
    Inventors: Thomas M. Kurth, Richard A. Kurth, Robert B. Turner, Les P. Kreifels
  • Patent number: 8449946
    Abstract: 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: Grant
    Filed: November 21, 2011
    Date of Patent: May 28, 2013
    Assignee: Tandem Polymers, Inc.
    Inventors: Thomas M. Kurth, Richard A. Kurth, Robert B. Turner, Les P. Kreifels
  • Patent number: 8333905
    Abstract: 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: Grant
    Filed: October 31, 2007
    Date of Patent: December 18, 2012
    Assignee: Tandem Polymers, Inc.
    Inventors: Thomas M. Kurth, Richard A. Kurth, Robert B. Turner, Les P. Kreifels, Todd A. Van Thomme
  • Publication number: 20120064244
    Abstract: 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: Application
    Filed: November 21, 2011
    Publication date: March 15, 2012
    Applicant: South Dakota Soybean Processors, LLC
    Inventors: Thomas M. Kurth, Richard A. Kurth, Robert B. Turner, Les P. Kreifels
  • Patent number: 8062710
    Abstract: 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: Grant
    Filed: September 29, 2009
    Date of Patent: November 22, 2011
    Assignee: Urethane Soy Systems Company
    Inventors: Thomas M. Kurth, Richard A. Kurth, Robert B. Turner, Les P. Kreifels
  • Patent number: 7932190
    Abstract: 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: Grant
    Filed: November 30, 2005
    Date of Patent: April 26, 2011
    Assignee: Caliper Life Sciences, Inc
    Inventors: Timothy B. Brown, Richard Kurth
  • Publication number: 20100022675
    Abstract: 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: Application
    Filed: September 29, 2009
    Publication date: January 28, 2010
    Inventors: Thomas M. Kurth, Richard A. Kurth, Robert B. Turner, Les P. Kreifels
  • Patent number: 7595094
    Abstract: 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: Grant
    Filed: January 25, 2005
    Date of Patent: September 29, 2009
    Assignee: Urethane Soy Systems, Co.
    Inventors: Thomas M. Kurth, Richard A. Kurth, Robert B. Turner, Les P. Kreifels
  • Publication number: 20090223620
    Abstract: 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: Application
    Filed: May 22, 2009
    Publication date: September 10, 2009
    Inventors: Thomas M. Kurth, Richard A. Kurth, Robert B. Turner, Les P. Kreifels
  • Patent number: 7537665
    Abstract: 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: Grant
    Filed: July 14, 2005
    Date of Patent: May 26, 2009
    Assignee: Urethane Soy Systems Company, Inc.
    Inventors: Thomas M. Kurth, Richard A. Kurth, Robert B. Turner, Les P. Kreifels
  • Patent number: 7084230
    Abstract: 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: Grant
    Filed: May 12, 2004
    Date of Patent: August 1, 2006
    Assignee: Urethane Soy Systems Company, Inc.
    Inventors: Thomas M. Kurth, Richard A. Kurth, Robert B. Turner, Les P. Kreifels
  • Patent number: 7063877
    Abstract: 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: Grant
    Filed: October 10, 2001
    Date of Patent: June 20, 2006
    Assignee: Urethane Soy Systems Company, Inc.
    Inventors: Thomas M. Kurth, Richard A. Kurth, Robert B. Turner, Les P. Kreifels
  • Publication number: 20060121743
    Abstract: 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: Application
    Filed: November 30, 2005
    Publication date: June 8, 2006
    Applicant: Caliper Life Sciences, Inc.
    Inventors: Timothy Brown, Richard Kurth
  • Patent number: 7001853
    Abstract: 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: Grant
    Filed: August 28, 2003
    Date of Patent: February 21, 2006
    Assignee: Caliper Life Sciences, Inc.
    Inventors: Timothy B. Brown, Richard Kurth
  • Patent number: 6979477
    Abstract: 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: Grant
    Filed: December 4, 2001
    Date of Patent: December 27, 2005
    Assignee: Urethane Soy Systems Company
    Inventors: Thomas M. Kurth, Richard A. Kurth, Robert B. Turner, Les P. Kreifels
  • Publication number: 20050260351
    Abstract: 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: Application
    Filed: July 14, 2005
    Publication date: November 24, 2005
    Applicant: Urethane Soy Systems Company, Inc.
    Inventors: Thomas Kurth, Richard Kurth, Robert Turner, Les Kreifels
  • Patent number: 6962636
    Abstract: 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: Grant
    Filed: October 10, 2001
    Date of Patent: November 8, 2005
    Assignee: Urethane Soy Systems Company, Inc.
    Inventors: Thomas M. Kurth, Richard A. Kurth, Robert B. Turner, Les P. Kreifels
  • Publication number: 20050131092
    Abstract: 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: Application
    Filed: January 25, 2005
    Publication date: June 16, 2005
    Applicant: Urethane Soy Systems Company
    Inventors: Thomas Kurth, Richard Kurth, Robert Turner, Les Kreifels
  • Publication number: 20050131093
    Abstract: 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: Application
    Filed: January 25, 2005
    Publication date: June 16, 2005
    Applicant: Urethane Soy Systems Company
    Inventors: Thomas Kurth, Richard Kurth, Robert Turner, Les Kreifels