Patents by Inventor Walter J. Nunning

Walter J. Nunning 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).

  • Tacky polymer melt spinning process
    Patent number: 7261849
    Abstract: A method for high speed melt spinning of binder fiber by melting a polymer having a melting temperature range of greater than 0° C. to 160° C., spinning said polymer at a speed of greater than about 2000 meters per minute to form the binder fibers; and winding the binder fiber onto a spin bobbin.
    Type: Grant
    Filed: May 7, 2003
    Date of Patent: August 28, 2007
    Assignee: Solutia, Inc.
    Inventors: Richard W. Miller, Walter J. Nunning, Raymond S. Knorr
  • Tacky polymer melt spinning process
    Publication number: 20030201568
    Abstract: A method for high speed melt spinning of binder fibers by melting a polymer that exhibits substantially no exothermic crystallization peak as measured by DSC when it is cooled to solidification from a molten state according to test A, spinning said polymer at a speed of greater than about 2000 meters per minute to form said binder fibers; and winding said binder fiber onto a spin bobbin.
    Type: Application
    Filed: May 7, 2003
    Publication date: October 30, 2003
    Inventors: Richard W. Miller, Walter J. Nunning, Raymond S. Knorr
  • Tacky polymer melt spinning process
    Publication number: 20030201567
    Abstract: A method for high speed melt spinning of binder fibers by melting a polymer that exhibits substantially no exothermic crystallization peak as measured by DSC when it is cooled to solidification from a molten state according to test A, spinning said polymer at a speed of greater than about 2000 meters per minute to form said binder fibers; and winding said binder fiber onto a spin bobbin.
    Type: Application
    Filed: April 30, 2002
    Publication date: October 30, 2003
    Inventors: Richard W. Miller, Walter J. Nunning, Raymond S. Knorr
  • Binder fiber for improved carpet appearance retention and endpoint
    Publication number: 20030165656
    Abstract: A carpet fiber yarn having carpet fiber and binder material, the yarn being subjected to singeing to remove protruding fiber ends, and subjected to heat sufficient to melt the binder fiber, wherein initial appearance and trafficked appearance of a first test carpet having a pile comprised of the yarn is improved over a corresponding second test carpet having a pile comprised of an unsinged yarn with the carpet fiber and the binder fiber, the unsinged yarn also being subjected to heat sufficient to melt the binder fiber.
    Type: Application
    Filed: November 13, 2002
    Publication date: September 4, 2003
    Applicant: Solutia Inc.
    Inventors: Richard W. Miller, Harold M. Familant, Tim D. Smith, Kenneth R. Thomas, Bart S. Campbell, Debra N. Hild, James E. Polk, David B. Horn, Raymond S. Knorr, Walter J. Nunning, William K. Fairchild
  • Process for forming a yarn having at least one electrically conductive filament by simultaneously cospinning conductive and non-conductive filaments
    Patent number: 5277855
    Abstract: The present invention is directed to a process for forming a yarn having at least one conductive filament wherein the conductive and nonconductive filaments which make up the yarn are simultaneously co-spun. The present process can be performed at spinning speeds of above about 3500 meters per minute to produce a yarn useful in antistatic carpet production.
    Type: Grant
    Filed: October 5, 1992
    Date of Patent: January 11, 1994
    Inventors: Lawrence E. Blackmon, John D. Forster, Walter J. Nunning
  • Copolymeric yarns for textured carpets
    Patent number: 5209974
    Abstract: Heatset, textured (e.g. stuffer box textured), continuous filament, nylon carpet yarn useful for making textured carpets is disclosed. The yarn is made from nylon 66 copolymer. Textured carpets made from the yarns of the invention have improved aesthetics and/or appearance retention characteristics as compared to textured carpets made from nylon 66 carpet yarns.
    Type: Grant
    Filed: October 15, 1991
    Date of Patent: May 11, 1993
    Assignee: Monsanto Company
    Inventors: Donald H. Martin, Walter J. Nunning, Scott E. Osborn, James S. Ridgway, Rupert J. Snooks, Jr., John H. Southern
  • Partially oriented nylon yarn and process
    Patent number: 4760691
    Abstract: An improved partially-oriented nylon 66 (PON) spinning process and product are provided by increasing the molecular weight well above the levels customary for apparel end uses.
    Type: Grant
    Filed: June 23, 1987
    Date of Patent: August 2, 1988
    Assignee: Monsanto Company
    Inventors: John M. Chamberlin, Edward W. Chilvers, Jr., Walter J. Nunning, John H. Southern
  • Partially oriented nylon yarn and process
    Patent number: 4721650
    Abstract: A polyamide (preferably nylon 66) partially oriented feed yarn contains a small amount of branching agent and has an elongation between 45 and 150%. The feed yarn can be textured by the friction twist process to yield a textured yarn having crimp development similar to yarn textured by the much more expensive pin twist method.
    Type: Grant
    Filed: December 17, 1986
    Date of Patent: January 26, 1988
    Assignee: Monsanto Company
    Inventors: Walter J. Nunning, LeMoyne W. Plischke, Dror Selivansky, John H. Southern, Chester C. Wu
  • Partially oriented nylon yarn and process
    Patent number: 4646514
    Abstract: An improved partially-oriented nylon 66 (PON) spinning process and product are provided by increasing the molecular weight well above the levels customary for apparel end uses.
    Type: Grant
    Filed: April 28, 1986
    Date of Patent: March 3, 1987
    Assignee: Monsanto Company
    Inventors: John M. Chamberlin, Edward W. Chilvers, Jr., Walter J. Nunning, John H. Southern
  • Partially oriented nylon yarn and process
    Patent number: 4583357
    Abstract: An improved partially-oriented nylon 66 (PON) spinning process and product are provided by increasing the molecular weight well above the levels customary for apparel end uses.
    Type: Grant
    Filed: April 2, 1984
    Date of Patent: April 22, 1986
    Assignee: Monsanto Company
    Inventors: John M. Chamberlin, Edward W. Chilvers, Jr., Walter J. Nunning, John H. Southern
  • Polyurethane fiber uniformity
    Patent number: 3966866
    Abstract: A particular elastomeric polyurethane polymer is heated to about 225.degree.C. to ensure complete melting prior to extrusion side-by-side with a molten hard polymer. The polyurethane polymer is made from an aromatic diisocyanate, a high molecular weight (800-3000) diol and a low molecular weight (500 or less) diol, combined in specific ratio ranges.
    Type: Grant
    Filed: July 15, 1974
    Date of Patent: June 29, 1976
    Assignee: Monsanto Company
    Inventors: Richard L. Ballman, Kenneth R. Lea, Walter J. Nunning, John H. Southern
  • Partially oriented nylon yarn and process
    Patent number: RE33059
    Abstract: An improved partially-oriented nylon 66 (PON) spinning process and product are provided by increasing the molecular weight well above the levels customary for apparel end uses.
    Type: Grant
    Filed: April 6, 1988
    Date of Patent: September 19, 1989
    Assignee: Monsanto Company
    Inventors: John M. Chamberlin, Edward W. Chilvers, Jr., Walter J. Nunning, John H. Southern