Friedhelm Lehrich

Person

Lemfoerde, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Self-extinguishing thermoplastic polyurethanes and their preparation
- Patent number 5,837,760
- Issue date Nov 17, 1998
- Elastogran GmbH
- Christa Hackl
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
4-substituted bis(2,6-diisopropylphenyl)-carbodiimides, their prepa...
- Patent number 5,654,479
- Issue date Aug 5, 1997
- BASF Aktiengesellschaft
- Friedhelm Lehrich
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
4-substituted bis (2,6-diisopropylphenyl)- carbodiimides, their pre...
- Patent number 5,621,138
- Issue date Apr 15, 1997
- BASF Aktiengesellschaft
- Friedhelm Lehrich
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Carbodiimides and/or oligomeric polycarbodiimides based on 1 3-bis...
- Patent number 5,597,942
- Issue date Jan 28, 1997
- BASF Aktiengesellschaft
- Siegmund Pohl
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
4-substituted bis(2,6-diisopropylphenyl)-carbodiimides, their prepa...
- Patent number 5,532,414
- Issue date Jul 2, 1996
- BASF Aktiengesellschaft
- Friedhelm Lehrich
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Carbodiimides and/or oligomeric polycarbodiimides based on 1,3-bis(...
- Patent number 5,504,241
- Issue date Apr 2, 1996
- BASF Aktiengesellschaft
- Siegmund Pohl
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Carbodiimides and/or oligomeric polycarbodiimides based on 1,3-bis...
- Patent number 5,498,747
- Issue date Mar 12, 1996
- BASF Aktiengesellschaft
- Siegmund Pohl
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
UV-stabilizer concentrates based on TPU, a process for their produc...
- Patent number 5,484,827
- Issue date Jan 16, 1996
- BASF Elastogran GmbH
- Frank Prissok
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Oligomeric carbodiimides
- Patent number 5,246,993
- Issue date Sep 21, 1993
- BASF Aktiengesellschaft
- Deitrich Scherzer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Preparation of polyurethane elastomers, and mixtures suitable for t...
- Patent number 5,162,387
- Issue date Nov 10, 1992
- BASF Aktiengesellschaft
- Ulrich Abel
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Friedhelm Lehrich

Person

Patents Grantslast 30 patents

Self-extinguishing thermoplastic polyurethanes and their preparation

4-substituted bis(2,6-diisopropylphenyl)-carbodiimides, their prepa...

4-substituted bis (2,6-diisopropylphenyl)- carbodiimides, their pre...

Carbodiimides and/or oligomeric polycarbodiimides based on 1 3-bis...

4-substituted bis(2,6-diisopropylphenyl)-carbodiimides, their prepa...

Carbodiimides and/or oligomeric polycarbodiimides based on 1,3-bis(...

Carbodiimides and/or oligomeric polycarbodiimides based on 1,3-bis...

UV-stabilizer concentrates based on TPU, a process for their produc...

Oligomeric carbodiimides

Preparation of polyurethane elastomers, and mixtures suitable for t...