Achim Klippstein

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Krefeld, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method of preparation of a water based epoxy curing agent
- Patent number 7,615,584
- Issue date Nov 10, 2009
- Air Products and Chemicals, Inc.
- Lohe Matthias
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of preparation of a water based epoxy curing agent
- Patent number 7,528,183
- Issue date May 5, 2009
- Air Products and Chemicals, Inc.
- Matthias Lohe
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aqueous hardeners for epoxy resin systems
- Patent number 5,854,312
- Issue date Dec 29, 1998
- Air Products and Chemicals, Inc.
- Achim Klippstein
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF PREPARATION OF A WATER BASED EPOXY CURING AGENT
- Publication number 20090176931
- Publication date Jul 9, 2009
- Air Products and Chemicals, Inc.
- Matthias Lohe
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Method of preparation of a water based epoxy curing agent
- Publication number 20050154091
- Publication date Jul 14, 2005
- Matthias Lohe
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...