Karl-Heinz Drenker
Inventor
Stats
- 3 US patents issued
- 3 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 3 US Patents Issued
- 3 US Applications Filed
- 15 Total Citation Count
- Sep 11, 2006 Most Recent Filing
- Apr 16, 2003 Earliest Filing
Work History
| Patent Owner | Applications Filed | Year |
|---|---|---|
| LANXESS DEUTSCHLAND GMBH | 1
1 | 2004
2006 |
| OYJ, KEMIRA | 1
| 2003
|
| BLANKOPHOR GMBH & CO. KG | 1
| 2003
|
Inventor Addresses
| Address | Duration |
|---|---|
| 42655 Solingen, DE | Aug 21, 07 - Aug 21, 07 |
| Solingen, DE | Oct 24, 06 - Dec 18, 07 |
Technology Profile
| Technology | Matters | |
|---|---|---|
| D21H: | PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C, D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR | 1 |
| G01N: | INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES | 1 |
| G01T: | MEASUREMENT OF NUCLEAR OR X-RADIATION | 1 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| 7309862 | 2007 | Method for marking sites | 1 |
| 7258815 | 2007 | Use of brighteners for the preparation of coating slips | 6 |
| 7126119 | 2006 | Method for marking sites | 1 |
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