Challenged claims of Nanoco Technologies Ltd.'s patent that relates to a method for producing nanoparticles having a core, a first layer, and a second layer aren’t unpatentable as obvious over prior art, the PTAB said, in an inter partes review by Samsung Electronics Co. Ltd. The board determined that the challenged claims aren’t obvious over various combinations of prior art, including prior art that relates to a method for synthesizing rod-shaped semiconductor nanocrystals, describes a method for synthesizing quantum dots from precursors in a solution that includes zinc acetate as a dopant, and describes semiconductor quantum dot solutions for coating ...
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