Tohoku Univ. Technology : Method for producing spherical zinc oxide : T19-905
Method for producing Monodispersed spherical zinc oxide having uniform particle diameter
Zinc oxide is used as an ultraviolet shielding agent in cosmetics such as sunscreens. However, in the conventional manufacturing technology, it was difficult to control the particle size of zinc oxide, and it was considered that the texture was bad. Furthermore, there is concern about the effects on the environment and the human body due to toxic exhaust gas caused by treatment at high temperature and the use of inert gas in the manufacturing process. The present invention relates to a method for producing spherical zinc oxide with uniform particle size and monodisperse, and spherical zinc oxide with a simple, low cost and low environmental impact. The spherical zinc oxide is expected to be used as a cosmetic with high ultraviolet shielding effect, excellent soft focusing property and excellent usability.
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The revenue generated from technology transfer is reinvested into universities and researchers as new research funding, which is used to create further research outcomes. To ensure the smooth operation of this cycle, known as the "Intellectual Creation Cycle," we will actively promote technology transfer. The types of seeds we handle include patents, know-how, databases, and programs. We have established a collaborative framework by concluding basic technology transfer agreements with the following universities (as of April 1, 2026): - Tohoku University - Hirosaki University - Iwate University - Akita University - Fukushima University - Yamagata University - Tohoku Gakuin University - Iwate Medical University - Fukushima Medical University - Aizu University - Miyagi University - Hokkaido University - Muroran Institute of Technology - Showa Medical University - Asahikawa Medical University
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