Bernhard Lehmann

Person

Aachen, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Process for preparing monodisperse ion exchangers having chelating...
- Patent number 7,077,964
- Issue date Jul 18, 2006
- Bayer Aktiengesellschaft
- Reinhold Klipper
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for preparing monodisperse ion exchangers having chelating...
- Patent number 6,649,663
- Issue date Nov 18, 2003
- Bayer Aktiengesellschaft
- Reinhold Klipper
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Cleaning method
- Patent number 6,468,359
- Issue date Oct 22, 2002
- Bayer Aktiengesellschaft
- Manfred Gerlach
- B08 - CLEANING
Information Patent Grant
Surface-cleaning method
- Patent number 6,387,189
- Issue date May 14, 2002
- Bayer Aktiengesellschaft
- Andreas Gröschl
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for preparing monodisperse, crosslinked bead polymers havin...
- Patent number 6,329,435
- Issue date Dec 11, 2001
- Bayer Aktiengesellschaft
- Reinhold Klipper
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Use of polyaspartic acids in cleaner formulations with abrasive action
- Patent number 6,245,157
- Issue date Jun 12, 2001
- Bayer Aktiengesellschaft
- Manfred Gerlach
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Cleaning method using a mixture containing wood chippings and, opti...
- Patent number 6,231,680
- Issue date May 15, 2001
- Bayer Aktiengesellschaft
- Manfred Gerlach
- B08 - CLEANING
Information Patent Grant
Process for improving the plasticity of ceramic composition and for...
- Patent number 6,100,319
- Issue date Aug 8, 2000
- Bayer Aktiengesellschaft
- Torsten Groth
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Process for breaking oil emulsions
- Patent number 5,707,531
- Issue date Jan 13, 1998
- Bayer Aktiengesellschaft
- Bernhard Lehmann
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for reprocessing oil-in-water emulsions
- Patent number 5,372,723
- Issue date Dec 13, 1994
- Bayer Aktiengesellschaft
- Johannes de Geus
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Process for the preparation of polyurea greases
- Patent number 5,314,982
- Issue date May 24, 1994
- Bayer AG
- Christian Rasp
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Process for preparing monodisperse ion exchangers having chelating...
- Publication number 20040082744
- Publication date Apr 29, 2004
- Reinhold Klipper
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Process for preparing heterodisperse chelating resins
- Publication number 20020185443
- Publication date Dec 12, 2002
- Reinhold Klipper
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Process for preparing monodisperse, crosslinked bead polymers havin...
- Publication number 20020035216
- Publication date Mar 21, 2002
- Reinhold Klipper
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Cleaning method
- Publication number 20010010230
- Publication date Aug 2, 2001
- Manfred Gerlach
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...

Bernhard Lehmann

Person

Patents Grantslast 30 patents

Process for preparing monodisperse ion exchangers having chelating...

Process for preparing monodisperse ion exchangers having chelating...

Cleaning method

Surface-cleaning method

Process for preparing monodisperse, crosslinked bead polymers havin...

Use of polyaspartic acids in cleaner formulations with abrasive action

Cleaning method using a mixture containing wood chippings and, opti...

Process for improving the plasticity of ceramic composition and for...

Process for breaking oil emulsions

Process for reprocessing oil-in-water emulsions

Process for the preparation of polyurea greases

Patents Applicationslast 30 patents

Process for preparing monodisperse ion exchangers having chelating...

Process for preparing heterodisperse chelating resins

Process for preparing monodisperse, crosslinked bead polymers havin...

Cleaning method