Patents by Inventor James D. Christie

James D. Christie 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).

  • Color effect materials and production thereof
    Patent number: 8083846
    Abstract: A color effect material is described as composed of a plurality of encapsulated substrate platelets in which each platelet is encapsulated with a highly reflective layer which acts as a reflector to light directed thereon and a spacer pigment layer which is selectively transparent to light directed thereon.
    Type: Grant
    Filed: August 18, 2004
    Date of Patent: December 27, 2011
    Assignee: BASF Corporation
    Inventors: Curtis J. Zimmermann, James D. Christie, Vivian K. Doxey, Daniel Stevenson Fuller
  • Color effect materials and production thereof
    Patent number: 6821333
    Abstract: A color effect material is described as composed of a plurality of encapsulated substrate platelets in which each platelet is encapsulated with a highly reflective layer which acts as a reflector to light directed thereon and a spacer pigment layer which is selectively transparent to light directed thereon.
    Type: Grant
    Filed: December 13, 2002
    Date of Patent: November 23, 2004
    Assignee: Engelhard Corporation
    Inventors: Curtis J. Zimmermann, James D. Christie, Vivian K. Doxey, Daniel Stevenson Fuller
  • Color effect materials and production thereof
    Publication number: 20040112252
    Abstract: A color effect material is described as composed of a plurality of encapsulated substrate platelets in which each platelet is encapsulated with a highly reflective layer which acts as a reflector to light directed thereon and a spacer pigment layer which is selectively transparent to light directed thereon.
    Type: Application
    Filed: December 13, 2002
    Publication date: June 17, 2004
    Inventors: Curtis J. Zimmermann, James D. Christie, Vivian K. Doxey, Daniel Stevenson Fuller
  • Alloy color effect materials and production thereof
    Patent number: 6440208
    Abstract: A color effect material is composed of a plurality of encapsulated substrate platelets in which each platelet is encapsulated with copper, zinc, an alloy of copper, or an alloy of zinc first layer which acts as a reflector to light directed thereon, a second layer encapsulating the first layer in which the second layer provides an optically variable reflection of light impinging thereon and a third layer encapsulating the second layer and being selectively transparent to light directed thereon.
    Type: Grant
    Filed: November 6, 2000
    Date of Patent: August 27, 2002
    Assignee: Engelhard Corporation
    Inventors: James D. Christie, Daniel S. Fuller, Curtis J. Zimmermann
  • Bonded metal hydroxide-organic composite polymer films on particulate substrates
    Patent number: 6245323
    Abstract: A lamellar particle is coated with an amorphous metal oxide hydrated gel which is then converted into a hydrophobic metal hydroxide-organic composite polymer film. The resulting product can be combined with a powdery film-forming polymer to produce a film-forming composition which can be applied by electrostatic coating. It also has significantly enhanced performance in plastic masterbatching, hydrophobic cosmetic formulations, and liquid paints and numerous other applications where a hydrophobic pigment is advantageous.
    Type: Grant
    Filed: May 26, 2000
    Date of Patent: June 12, 2001
    Assignee: Engelhard Corporation
    Inventors: James D. Christie, William C. Howard
  • Blended nacreous pigments, colorants and adjuvants
    Patent number: 5885342
    Abstract: Colored lustrous pigments of superior quality are prepared by dry blending a metal oxide-coated mica nacreous pigment and a colorant lake with a blend adjuvant. The resulting blend exhibits a well dispersed, stable coloration, increased hydrophobicity and is particularly useful in cosmetic applications.
    Type: Grant
    Filed: May 9, 1997
    Date of Patent: March 23, 1999
    Assignee: Engelhard Corporation
    Inventors: Jeannine M. Gale, Betty F. Aucar, James D. Christie