The report contains ten-year analysis with the following sections
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transitions optical | 95 |
Title of patent family (most common patent title) |
Family members |
Filing year |
---|---|---|
photochromic compounds | 125 | 2003 |
mesogen containing compounds | 62 | 2008 |
spin coater for applying multiple coatings to an optical substrate | 49 | 2013 |
polarizing photochromic articles | 27 | 2003 |
photoalignment materials having improved adhesion | 24 | 2009 |
photochromic materials having extended pi-conjugated systems and compositions and articl… 🛈 | 24 | 2005 |
photochromic compounds | 24 | 2003 |
method of producing an optical element having a mark | 21 | 2012 |
photochromic materials | 21 | 2009 |
photochromic compounds and compositions | 21 | 2010 |