Assignee
MELZIG MANFRED
DE·3 granted patents·4 citations·filing 2008–2011
Top patents by PatentIndex Score
3 records- 0174US8933220B2Photochromic fused naphthopyrans having a benzene ring which is adjacent to the pyran oxygen and is linked to the para substituent via both meta positionsMELZIG MANFRED·Filed 2011·Granted Jan 13, 2015·2 cites·14 claims
- 0271US8486312B2Photochromic naphthopyrans having a double-bridged terphenyl sub-unitMELZIG MANFRED·Filed 2009·Granted Jul 16, 2013·1 cites·20 claims
- 0362US8236716B2Photochromic benzopyrano-benzopyrans with further fusingMELZIG MANFRED·Filed 2008·Granted Aug 7, 2012·1 cites·24 claims
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