Fritz Engelhardt

Person

Chesapeake, VA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method for the secondary cross-linking of hydrogels with 2-oxotetra...
- Patent number 6,657,015
- Issue date Dec 2, 2003
- BASF Aktiengesellschaft
- Ulrich Riegel
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for producing water-swellable hydorphilic polymers, said pol...
- Patent number 6,565,768
- Issue date May 20, 2003
- BASF Aktiengesellschaft
- Joachim Dentler
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for the secondary cross-linking of hydrogels with N-acyl-2-o...
- Patent number 6,559,239
- Issue date May 6, 2003
- BASF Aktiengesellschaft
- Ulrich Riegel
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for cross-linking hydrogels with bis- and poly-2-oxazolidinones
- Patent number 6,503,979
- Issue date Jan 7, 2003
- BASF Aktiengesellschaft
- Rüdiger Funk
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for crosslinking hydrogels with bis- and poly-2- oxazolidin...
- Patent number 6,472,478
- Issue date Oct 29, 2002
- BASF Aktiengesellschaft
- Rüdiger Funk
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Crosslinked, hydrophilic, highly swellable hydrogels, production th...
- Patent number 6,297,335
- Issue date Oct 2, 2001
- BASF Aktiengesellschaft
- Rüdiger Funk
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Process for the preparation of hydrophilic hydrogels of high swelli...
- Patent number 6,150,477
- Issue date Nov 21, 2000
- Hoechst Aktiengesellschaft
- Fritz Engelhardt
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Water-swellable, hydrophilic polymer compositions
- Patent number 6,107,432
- Issue date Aug 22, 2000
- BASF AG
- Fritz Engelhardt
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Use of surfactants in the drying of hydrophilic highly swellable hy...
- Patent number 5,945,495
- Issue date Aug 31, 1999
- BASF Corporation
- Thomas Daniel
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of N-lauroyl-L-glutamic acid di-n-butyl...
- Patent number 5,792,880
- Issue date Aug 11, 1998
- Hoechst Aktiengesellschaft
- Fritz Engelhardt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Dimethyl n-lauroyl-l-glutamate
- Patent number 5,726,331
- Issue date Mar 10, 1998
- Hoechst Aktiengesellschaft
- Fritz Engelhardt
- C07 - ORGANIC CHEMISTRY

Fritz Engelhardt

Person

Patents Grantslast 30 patents

Method for the secondary cross-linking of hydrogels with 2-oxotetra...

Method for producing water-swellable hydorphilic polymers, said pol...

Method for the secondary cross-linking of hydrogels with N-acyl-2-o...

Method for cross-linking hydrogels with bis- and poly-2-oxazolidinones

Process for crosslinking hydrogels with bis- and poly-2- oxazolidin...

Crosslinked, hydrophilic, highly swellable hydrogels, production th...

Process for the preparation of hydrophilic hydrogels of high swelli...

Water-swellable, hydrophilic polymer compositions

Use of surfactants in the drying of hydrophilic highly swellable hy...

Process for the preparation of N-lauroyl-L-glutamic acid di-n-butyl...

Dimethyl n-lauroyl-l-glutamate