Udo Weigand

Inventor

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Work History

Patent OwnerApplications FiledYear
Optische Werke G. Rodenstock
1
2003
RODENSTOCK GMBH
1
1
1
2
2
8
2
2
4
1
1
2001
2004
2005
2006
2007
2008
2009
2011
2012
2013
2014
RODENSTOCK, OPTISCHE WERKE G.
2
2002
SECOND OPTICAL HOLDING GMBH
2
4
3
4
2
3
1999
2000
2001
2002
2003
2004

Inventor Addresses

AddressDuration
München, DEJan 13, 15 - Aug 19, 21
Muenchen, DEDec 18, 01 - Oct 25, 07
Munchen, DEFeb 27, 03 - Jun 04, 15
Munich, DENov 14, 00 - Mar 20, 25

Technology Profile

Technology Matters
A61K: PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES 3
B05D: PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 1
C03C: CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS 3

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Patents / Publication

Patents / Publication #Year of Publication / IssuedTitleCitations
2025/0092,2622025COMBINATION OF SPECIFIC ANNELLATED NAPHTHOPYRANE ISOMERS0
119651022024Photochromic annelated naphthopyrane systems with special substituents, for attaining rapid lightening speeds0
2021/0253,8652021PHOTOCHROMIC ANNELATED NAPHTHOPYRANE SYSTEMS WITH SPECIAL SUBSTITUENTS, FOR ATTAINING RAPID LIGHTENING SPEEDS0
106478522020Photochromic multiple ring-fused naphthopyrans having extreme longwave absorption extending far into the visible wavelength range0
2019/0284,3972019PHOTOCHROMIC MULTIPLE RING-FUSED NAPHTHOPYRANS HAVING EXTREME LONGWAVE ABSORPTION EXTENDING FAR INTO THE VISIBLE WAVELENGTH RANGE0

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