Ekkehard Bartmann
Inventor
Stats
- 52 US patents issued
- 53 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 52 US Patents Issued
- 53 US Applications Filed
- 462 Total Citation Count
- Dec 18, 2006 Most Recent Filing
- Feb 10, 1989 Earliest Filing
Work History
| Patent Owner | Applications Filed | Year |
|---|---|---|
| SHARP CORPORATION | 1
| 1997
|
| MERCK PATENT GMBH | 1
2 5 4 2 5 6 3 5 1 1 6 2 3 1 1 | 1989
1990 1991 1992 1993 1994 1995 1996 1997 1999 2001 2002 2003 2004 2005 2006 |
| OLIN MICROELECTRONIC CHEMICALS, INC. | 2
| 1989
|
| Hoechst Aktiengesellschaft | 1
| 1992
|
| CIBA-GEIGY CORPORATION | 1
| 1989
|
| OCG MICROELECTRONIC MATERIALS, INC. | 2
| 1991
|
| MERCK KGAA | 1
1 2 | 1995
2001 2002 |
| CIBA SPECIALTY CHEMICALS CORPORATION | 1
1 1 | 1992
1998 1999 |
Inventor Addresses
| Address | Duration |
|---|---|
| Erzhausen, DE | Dec 25, 90 - Dec 08, 09 |
| Erzhauzen, DE | Jul 27, 93 - Jul 27, 93 |
Technology Profile
| Technology | Matters | |
|---|---|---|
| A61K: | PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES | 1 |
| C02F: | TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE | 1 |
| C07C: | ACYCLIC OR CARBOCYCLIC COMPOUNDS | 22 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| 7629493 | 2009 | Process for the crystallisation of guandinium salts | 0 |
| 7445818 | 2008 | Matrix liquid crystal display | 0 |
| 2007/0055,064 | 2007 | Process for the crystallisation of guandinium salts | 0 |
| 7186447 | 2007 | Matrix liquid crystal display | 1 |
| 2005/0143,582 | 2005 | Method for producing substituted 3-phenylamino-propane-1,2-diols | 0 |
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