METHOD OF MAKING EYEWEAR BY 3D PRINTING
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United States of America Patent
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Issued Date -
Mar 2, 2017
app pub date -
Aug 27, 2015
filing date -
Aug 27, 2015
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Abstract
Provided herein are methods of preparing eyewear products made of a cellulose ester, a nylon or a polyester by simple and inexpensive single-nozzle or multi-nozzle 3D printers, wherein the eyewear products have a continuous range of colors or a gradual color change. Also provided herein are eyewear products made of a cellulose ester, a nylon or a polyester prepared by the methods disclosed herein.
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