Fritz Engelhardt
Inventor
Stats
- 34 US patents issued
- 35 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 34 US Patents Issued
- 35 US Applications Filed
- 885 Total Citation Count
- Mar 23, 2002 Most Recent Filing
- Jun 22, 1984 Earliest Filing
Work History
| Patent Owner | Applications Filed | Year |
|---|---|---|
| CLARIANT GMBH | 3
2 2 | 1995
1996 1997 |
| Cassella Aktiengesellschaft | 3
1 1 1 1 2 5 3 | 1984
1986 1987 1988 1991 1992 1995 1996 |
| Hoechst Aktiengesellschaft | 2
| 1995
|
| BASF CORPORATION | 1
1 | 1997
2000 |
| BASF AKTIENGESELLSCHAFT | 1
1 1 2 3 | 1997
1998 1999 2000 2001 |
| Societe Francaise Hoechst | 1
| 1992
|
| CLARIANT PRODUKTE (DEUTSCHLAND) GMBH | 1
| 1994
|
Inventor Addresses
| Address | Duration |
|---|---|
| Chesapeake, VA | Mar 10, 98 - Dec 02, 03 |
| Frankfurt am Main, DE | Nov 12, 85 - Nov 24, 98 |
| Frankfurt, DE | Mar 18, 86 - Mar 06, 03 |
Technology Profile
| Technology | Matters | |
|---|---|---|
| A61C: | DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE | 1 |
| A61F: | FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, E.G. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS | 3 |
| A61K: | PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES | 1 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| 6657015 | 2003 | Method for the secondary cross-linking of hydrogels with 2-oxotetrahydro-1,3-oxazines | 152 |
| 6565768 | 2003 | Method for producing water-swellable hydorphilic polymers, said polymers and use thereof | 48 |
| 6559239 | 2003 | Method for the secondary cross-linking of hydrogels with N-acyl-2-oxazolidinones | 152 |
| 2003/0045,847 | 2003 | Absorbent article | 16 |
| 6503979 | 2003 | Method for cross-linking hydrogels with bis- and poly-2-oxazolidinones | 140 |
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