Patents by Inventor Susan H. Tilford

Susan H. Tilford 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).

  • Patent number: 9056954
    Abstract: Disclosed herein are functionalized polymers comprising ethylene and substituted ethylene segments, which have been crosslinked using a multifunctional thiol to enhance their crosslinking ability. These functionalized polymers are useful as film forming resins in cathodic electrocoating compositions. Also disclosed herein are aqueous dispersion compositions comprising the functionalized polymers and a process for coating various electrically conductive substrates.
    Type: Grant
    Filed: December 12, 2011
    Date of Patent: June 16, 2015
    Assignee: AXALTA COATING SYSTEMS IP CO., LLC
    Inventors: Simona Percec, Susan H. Tilford
  • Patent number: 8795799
    Abstract: Polyimide resin compositions that contain an aromatic polyimide, graphite, and acicular titanium dioxide are found to exhibit high thermal oxidative stability. Such compositions are especially useful in molded articles that are exposed to high temperatures, such as bushings, bearings, and seal rings that are used in aerospace, transportation, and materials handling applications.
    Type: Grant
    Filed: September 29, 2011
    Date of Patent: August 5, 2014
    Assignee: E I du Pont de Nemours and Company
    Inventors: Robert Ray Burch, Jesus G Moralez, Susan H Tilford
  • Patent number: 8779069
    Abstract: Disclosed herein are functionalized polymers comprising ethylene and substituted ethylene segments, which have been modified by epoxidation to enhance their crosslinking ability. These functionalized polymers are useful as film forming resins in cathodic electrocoating compositions. Also disclosed herein are aqueous dispersion compositions comprising the functionalized polymers and a process for coating various electrically conductive substrates.
    Type: Grant
    Filed: December 12, 2011
    Date of Patent: July 15, 2014
    Assignee: Axalta Coating Systems IP Co., LLC
    Inventors: Simona Percec, Susan H. Tilford
  • Publication number: 20140170418
    Abstract: Anti-corrosion coatings comprising electroconductive polymers polymerized in the presence of one or more film forming polymers are provided. These coatings can be used with metal substrates such as cold-rolled steel and other metals to inhibit corrosion.
    Type: Application
    Filed: May 23, 2012
    Publication date: June 19, 2014
    Applicant: AXALTA COATING SYSTEMS IP CO., LLC
    Inventors: Simona Percec, Susan H. Tilford, Kayleigh J. Ferguson
  • Patent number: 8491770
    Abstract: Disclosed herein are functionalized polymers comprising ethylene and substituted ethylene segments. These functionalized polymers are useful as film forming resins in cathodic electrocoating compositions. Also disclosed herein are aqueous dispersion compositions comprising the functionalized polymers and a process for coating various electrically conductive substrates.
    Type: Grant
    Filed: December 10, 2010
    Date of Patent: July 23, 2013
    Assignee: Axalta Coating Systems IP Co. LLC
    Inventors: Stephen Neal Bair, Simona Percec, Susan H. Tilford
  • Publication number: 20130171391
    Abstract: Polyimide resin compositions that contain an aromatic polyimide, graphite, and acid-washed fibrous clay are found to exhibit high thermal oxidative stability. Such compositions are especially useful in molded articles that are exposed to high temperatures, such as bushings, bearings, and seal rings that are used in aerospace, transportation, and materials handling applications.
    Type: Application
    Filed: September 29, 2011
    Publication date: July 4, 2013
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Susan H. Tilford, Yamaira Gonzales, Jesus G. Moralez, Wayne M. T. Wang
  • Publication number: 20130150485
    Abstract: Disclosed herein are functionalized polymers comprising ethylene and substituted ethylene segments, which have been modified by epoxidation to enhance their crosslinking ability. These functionalized polymers are useful as film forming resins in cathodic electrocoating compositions. Also disclosed herein are aqueous dispersion compositions comprising the functionalized polymers and a process for coating various electrically conductive substrates.
    Type: Application
    Filed: December 12, 2011
    Publication date: June 13, 2013
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Simona PERCEC, Susan H. Tilford
  • Publication number: 20130146466
    Abstract: Disclosed herein are functionalized polymers comprising ethylene and substituted ethylene segments, which have been crosslinked using a multifunctional thiol to enhance their crosslinking ability. These functionalized polymers are useful as film forming resins in cathodic electrocoating compositions. Also disclosed herein are aqueous dispersion compositions comprising the functionalized polymers and a process for coating various electrically conductive substrates.
    Type: Application
    Filed: December 12, 2011
    Publication date: June 13, 2013
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Simona Percec, Susan H. Tilford
  • Patent number: 8287767
    Abstract: Amorphous polymers with chromogenic pendant groups are provided. The amorphous polymers can be used to make elastomeric films and coatings that can be incorporated into laminates and used to make articles such as architectural and vehicular glazing, and in applications such as eyewear, displays and signage.
    Type: Grant
    Filed: June 23, 2006
    Date of Patent: October 16, 2012
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Simona Percec, Susan H. Tilford
  • Publication number: 20120235071
    Abstract: Polyimide resin compositions that contain an end-capped rigid aromatic polyimide, graphite and carbon filaments are found to exhibit low wear at high temperatures. Such compositions are especially useful in molded articles that are exposed to wear conditions at high temperatures such as aircraft engine parts.
    Type: Application
    Filed: October 27, 2010
    Publication date: September 20, 2012
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Jesus G. Moralez, Susan H. Tilford, Robert Ray Burch, Shekhar Subramoney
  • Publication number: 20120149847
    Abstract: Disclosed herein is a process for making functionalized polymers comprising ethylene and substituted ethylene segments. The process comprises combining a starting copolymer as a solid with at least one amine-containing compound. The functionalized polymers are useful as film forming resins in cathodic electrocoating compositions.
    Type: Application
    Filed: December 10, 2010
    Publication date: June 14, 2012
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Steve Gregory COATS, Simona Percec, Susan H. Tilford
  • Publication number: 20120145545
    Abstract: Disclosed herein are functionalized polymers comprising ethylene and substituted ethylene segments. These functionalized polymers are useful as film forming resins in cathodic electrocoating compositions. Also disclosed herein are aqueous dispersion compositions comprising the functionalized polymers and a process for coating various electrically conductive substrates.
    Type: Application
    Filed: December 10, 2010
    Publication date: June 14, 2012
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Stephen Neal BAIR, Simona Percec, Susan H. Tilford
  • Patent number: 7988885
    Abstract: The present invention is directed to electrochromic electrolyte polymer blends. These blends comprise an amorphous polymer and an electrochromophore component. The electrochromophore component comprises a polyalkylene polymer copolymerized with an electrochromic moiety. The blends can be used to make elastomeric films and coatings that can be used in laminates, which can be used to form manufactured articles such as architectural and vehicular glazing, eyewear, displays and signage.
    Type: Grant
    Filed: June 23, 2006
    Date of Patent: August 2, 2011
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Simona Percec, Susan H. Tilford
  • Publication number: 20110098409
    Abstract: Disclosed herein are compositions and articles that are useful in environments exposed to heat, wear, and oxidizing agents, which are improved by means of specific kinds of carbon filaments. The compositions and articles comprise high-temperature polymer, high-temperature filler, and a mixture of carbon filament, wherein said mixture of carbon filament comprises multiwall axial carbon filament.
    Type: Application
    Filed: October 26, 2010
    Publication date: April 28, 2011
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Robert Ray Burch, Jesus G. Moralez, Shekhar Subramoney, Susan H. Tilford
  • Publication number: 20090279160
    Abstract: Amorphous polymers with chromogenic pendant groups are provided. The amorphous polymers can be used to make elastomeric films and coatings that can be incorporated into laminates and used to make articles such as architectural and vehicular glazing, and in applications such as eyewear, displays and signage.
    Type: Application
    Filed: June 23, 2006
    Publication date: November 12, 2009
    Applicant: E. I. Dupont De Nemours and Company
    Inventors: Simona Percec, Susan H. Tilford
  • Publication number: 20090078917
    Abstract: The present invention is directed to electrochromic electrolyte polymer blends. These blends comprise an amorphous polymer and an electrochromophore component. The electrochromophore component comprises a polyalkylene polymer copolymerized with an electrochromic moiety. The blends can be used to make elastomeric films and coatings that can be used in laminates, which can be used to form manufactured articles such as architectural and vehicular glazing, eyewear, displays and signage.
    Type: Application
    Filed: June 23, 2006
    Publication date: March 26, 2009
    Inventors: Simona Percec, Susan H. Tilford