Hans-Peter Letschert
Inventor
Stats
- 11 US patents issued
- 11 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 11 US Patents Issued
- 11 US Applications Filed
- 51 Total Citation Count
- Jun 4, 2014 Most Recent Filing
- Oct 14, 1993 Earliest Filing
Work History
| Patent Owner | Applications Filed | Year |
|---|---|---|
| DMC2 DEGUSSA METALS CATALYSTS CERDEC AG | 1
1 | 1999
2000 |
| FERRO CORPORATION | 2
| 2014
|
| FERRO GMBH | 1
1 | 1997
2001 |
| dmc | 1
1 | 1999
2000 |
| DEGUSSA AG | 1
1 | 1993
1994 |
| Cerdec Aktiengesellschaft Keramische Farben | 1
2 1 | 1994
1995 2000 |
Inventor Addresses
| Address | Duration |
|---|---|
| Bonn, DE | Aug 08, 95 - Jun 16, 98 |
| Hanau, DE | Dec 21, 99 - Dec 10, 15 |
| Ransbach-Baumbach, DE | Dec 27, 94 - Oct 29, 96 |
Technology Profile
| Technology | Matters | |
|---|---|---|
| C01B: | NON-METALLIC ELEMENTS; COMPOUNDS THEREOF | 4 |
| C01F: | COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS | 2 |
| 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 | 2 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| 2015/0353,706 | 2015 | NICKEL-FREE GREEN PIGMENT | 0 |
| 9187617 | 2015 | Nickel-free green pigment | 2 |
| 6673473 | 2004 | Display screen, in particular a color display screen, coating of the same and means for producing the coating | 1 |
| 6379449 | 2002 | Process for the production of yellow to red pigments based on nitrides and oxidenitrides | 2 |
| 6294009 | 2001 | Tantalum (V) nitride pigment, process for producing it and its use | 9 |
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