Abstract:
There is disclosed a lamellar particle including an unconverted portion of the lamellar particle, wherein the unconverted portion includes a first metal, a converted portion of the lamellar particle disposed radially outward of at least one of a surface of the unconverted portion, wherein the converted portion includes a chemical compound of the first metal.
Abstract:
An article, includes a layer including at least one color-rendering portion and at least one light valve; and a metal reflector portion, wherein the at least one light valve is positioned in the layer to provide reflection of incident light through the at least one light valve. A method of making an article is also disclosed.
Abstract:
A composition includes magnetic particles having a median particle size ranging from about 10 to about 30 microns; and reflective particles having a median particle size ranging from about 1 to about 9 microns, wherein the reflective particles have a lightness at least 10 points higher than the lightness of the magnetic particles. A method of making the composition is also disclosed.
Abstract:
An optical system including a first microstructured surface; and a second microstructured surface; wherein the first microstructured surface is aligned along an axis with the second microstructured surface is provided. An illumination system including a light source and the optical system is also included. A method of diffusing light is included.
Abstract:
An asymmetric pigment including a first Fabry-Perot structure; and a second Fabry-Perot structure; wherein the first Fabry-Perot structure and the second Fabry-Perot structure have a similar hue angle within +/- 45 degrees is disclosed. Other asymmetric pigments are also disclosed as well as methods of making the disclosed pigments.
Abstract:
Disclosed herein is a compound for use in a composition applied to a blood vessel, wherein the compound softens and/or disrupts the crystalline matrix of calcified plaque. Methods of treatment comprising applying the disclosed composition are also disclosed. Plaque-softening compounds are also disclosed.
Abstract:
An assembly including a first magnet; a substrate positioned above the first magnet, and having a surface for receiving a composition including a plurality of magnetizable platelets; and a second magnet, positioned above the substrate is disclosed. The assembly can be used in a method of making an optical security element. The optical security element and the method of making the optical security element are also disclosed.
Abstract:
A composition including a first color shifting pigment flake population having a first D50 particle size; and a second color shifting pigment flake population having a second D50 particle size that is different from the first D50 particle size, wherein the first color shifting pigment flake population and the second color shifting pigment flake population have a similar face color and color shift is disclosed. An article including the composition is included. A method of making the composition and a method of making the article are also disclosed
Abstract:
An article including a substrate; and a composition on the substrate, the composition including a liquid medium, and a semi-transparent magnetic pigment including a semi-transparent, metallic, magnetic material and a dielectric material used as a light interference cavity is disclosed, A method of making the article is also disclosed.
Abstract:
An article including a thin film interference pigment; and a coating including a selectively absorbing nanoparticle is disclosed. The article can exhibit increased chromaticity as compared to the thin film interference pigment alone. Methods of making the article are also disclosed.