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Novel Compositions for Cooling Materials Exposed to the Sun

United States Patent Application

20150275077
A1
View the Complete Application at the US Patent & Trademark Office
Lawrence Berkeley National Laboratory - Visit the Technology Transfer and Intellectual Property Management Department Website
The present invention provides for a composition comprising a pigment, wherein the composition is suitable for coating a surface that is, or is expected to be, exposed to the sun. The pigment comprises particles that fluoresce in sunlight, thereby remaining cooler in the sun than coatings pigmented with non-fluorescent particles. The particles comprise solids that fluoresce or glow in the visible or near infrared (NIR) spectra, or that fluoresce when doped. Suitable dopants include, but are not limited to, ions of rare earths and transition metals.
Berdahl, Paul H. (Walnut Creek, CA)
THE REGENTS OF THE UNIVERSITY OF CALIFORNIA (Oakland CA)
14/ 675,328
March 31, 2015
STATEMENT OF GOVERNMENTAL SUPPORT [0002] The invention was made with government support under Contract No. DE-AC02-05CH11231 awarded by the U.S. Department of Energy. The government has certain rights in the invention.