Wessling
Germany
16
2013-11-21
The entities that hold a legal rights for patent applications filed by inventor Melzig Manfred:
Manfred Melzig from Wessling, DE has applied for patents for these inventions. The list has both pending applications and granted patents:
Photochromic fused naphthopyrans having a benzene ring which is adjacent to the pyran oxygen and is linked to the para substituent via both meta positions
#2 | 2011-08-18Photochromic benzopyrano-benzopyrans with further fusing
#3 | 2011-04-07Photochromic naphthopyrans having a double-bridged terphenyl sub-unit
#4 | 2010-09-30Photochromic benzopyrans
#5 | 2008-12-02Photochromic naphthopyrans
#6 | 2008-10-23Photochromic spirodihydrophenanthropyrans
#7 | 2008-10-16Photochromic plastic object
#8 | 2007-10-25Photochromic h-annellated benzo[f]chromene compounds
#9 | 2006-10-05Substituted phenanthropyrans
#10 | 2006-01-19Neutral-color gray photochromic synthetic resin article
#11 | 2005-11-22Photochromic 3H-naphtho[2,1-b]-pyran compounds and photochromic articles produced therewith
#12 | 2005-08-30Photochromic compounds
#13 | 2005-08-23High index curable photochromic composition and its process
#14 | 2005-05-05Blue 3H-naphtho[2,1-b]pyran compounds and use thereof in photochromic articles
#15 | 2005-04-19Heterocyclically annellated indenochromene derivatives
#16 | 2005-02-08Photochromic synthetic resin object with permanently increased contrast
540029 ⎘