Udo Weigand
Inventor
Stats
- 25 US patents issued
- 30 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 25 US Patents Issued
- 30 US Applications Filed
- 182 Total Citation Count
- Jan 10, 2023 Most Recent Filing
- May 21, 1999 Earliest Filing
Work History
Patent Owner | Applications Filed | Year |
---|---|---|
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
Address | Duration |
---|---|
München, DE | Jan 13, 15 - Aug 19, 21 |
Muenchen, DE | Dec 18, 01 - Oct 25, 07 |
Munchen, DE | Feb 27, 03 - Jun 04, 15 |
Munich, DE | Nov 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 |
Patents / Publication
Patents / Publication # | Year of Publication / Issued | Title | Citations |
---|---|---|---|
2025/0092,262 | 2025 | COMBINATION OF SPECIFIC ANNELLATED NAPHTHOPYRANE ISOMERS | 0 |
11965102 | 2024 | Photochromic annelated naphthopyrane systems with special substituents, for attaining rapid lightening speeds | 0 |
2021/0253,865 | 2021 | PHOTOCHROMIC ANNELATED NAPHTHOPYRANE SYSTEMS WITH SPECIAL SUBSTITUENTS, FOR ATTAINING RAPID LIGHTENING SPEEDS | 0 |
10647852 | 2020 | Photochromic multiple ring-fused naphthopyrans having extreme longwave absorption extending far into the visible wavelength range | 0 |
2019/0284,397 | 2019 | PHOTOCHROMIC MULTIPLE RING-FUSED NAPHTHOPYRANS HAVING EXTREME LONGWAVE ABSORPTION EXTENDING FAR INTO THE VISIBLE WAVELENGTH RANGE | 0 |
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