ABRASION-RESISTANT AND SCRATCH-RESISTANT COATINGS HAVING A LOW INDEX OF REFRACTION ON A SUBSTRATE
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United States of America Patent
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app pub date -
Sep 18, 2013
filing date -
Jun 8, 2004
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Abstract
Disclosed is a substrate with an abrasion resistant and scratch-resistant coating that has a low index of refraction and comprises magnesium fluoride and at least one metal oxide or semimetal oxide. The coating can be obtained by applying a coating composition containing magnesium fluoride or a precursor thereof and at least one metal oxide or semimetal oxide, or a precursor thereof onto a substrate and then subjecting the same to a thermal treatment.
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