Patents by Inventor Aaron Hollman

Aaron Hollman 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).

  • Piezochromic device
    Patent number: 8917436
    Abstract: The current invention relates to a piezochromic device wherein said device exhibits a reversible change in appearance initialed by an external applied force and then reverts back to its original appearance over a set relaxation time when the external force is removed. In one embodiment, a device comprising a transparent or semi-transparent cover layer and a magnetic layer, wherein between the cover layer and the magnetic layer is a liquid medium containing magnetically alignable pigments.
    Type: Grant
    Filed: October 21, 2010
    Date of Patent: December 23, 2014
    Assignee: Sun Chemical Corporation
    Inventors: Aaron Hollman, Russell Schwartz, David Kozak
  • Orange pearlescent pigments
    Patent number: 8323396
    Abstract: An orange pearlescent pigment comprising a substrate and a first layer containing FeOOH, and a second layer containing Fe2O3 located between the substrate and the first layer. The color of the pigment is such that a homogeneous coating of the pigment, measured over a white background, has a CIELAB hue angle, hab, from about 40 to about 60 degrees, and the chroma value is greater than 50. The pigment may be used in a cosmetic, coating, or ink composition.
    Type: Grant
    Filed: February 18, 2008
    Date of Patent: December 4, 2012
    Assignee: Sun Chemical Corp.
    Inventors: Aaron Hollman, Philippe Schottland, Jim Black
  • PIEZOCHROMIC DEVICE
    Publication number: 20120229881
    Abstract: The current invention relates to a piezochromic device wherein said device exhibits a reversible change in appearance initialed by an external applied force and then reverts back to its original appearance over a set relaxation time when the external force is removed. In one embodiment, a device comprising a transparent or semi-transparent cover layer and a magnetic layer, wherein between the cover layer and the magnetic layer is a liquid medium containing magnetically alignable pigments.
    Type: Application
    Filed: October 21, 2010
    Publication date: September 13, 2012
    Applicant: SUN CHEMICAL CORPORATION
    Inventors: Aaron Hollman, Russell Schwartz, David Kozak
  • ORANGE PEARLESCENT PIGMENTS
    Publication number: 20090208436
    Abstract: An orange pearlescent pigment comprising a substrate and a first layer containing FeOOH, and a second layer containing Fe2O3 located between the substrate and the first layer. The color of the pigment is such that a homogeneous coating of the pigment, measured over a white background, has a CIELAB hue angle, hab, from about 40 to about 60 degrees, and the chroma value is greater than 50. The pigment may be used in a cosmetic, coating, or ink composition.
    Type: Application
    Filed: February 18, 2008
    Publication date: August 20, 2009
    Inventors: Aaron Hollman, Philippe Schottland, Jim Black
  • Multi-Colored Lustrous Pearlescent Pigments
    Publication number: 20090038514
    Abstract: A pearlescent pigment comprising a substrate and a first layer, wherein the first layer comprises iron oxide, wherein the iron has from about 1% to about 30% Fe(II) and from about 70% to about 99% Fe(III). A process for making these pearlescent pigment, comprise reducing a metal oxide substrate with a hydrogen source in the presence of a noble metal catalyst in a liquid medium. The pigments may be used in a variety of applications including cosmetics, plastics, automotive or architectural coatings.
    Type: Application
    Filed: June 20, 2007
    Publication date: February 12, 2009
    Applicant: Sun Chemical Corporation
    Inventors: Aaron Hollman, Stephane Nicolas, Philippe Schottland, Marguerite Debacker, Aurelie Antonowicz, Hai Lin
  • SECURITY PIGMENTS AND THE PROCESS OF MAKING THEREOF
    Publication number: 20080087189
    Abstract: Disclosed are rare earth pigments, and methods for making and using these pigments, in security applications. The rare earth pigments are IR absorbers with unique spectral features and optionally exhibit color inconstancy.
    Type: Application
    Filed: May 2, 2007
    Publication date: April 17, 2008
    Applicant: Sun Chemical Corporation
    Inventors: Hai Lin, Philippe Schottland, Russell Schwartz, Stephen Postle, Caspar Lee, Kenneth Fields, Aaron Hollman