Michael Holzapfel

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Muenchen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing coated carbon particles and use of the latter...
- Patent number 8,673,502
- Issue date Mar 18, 2014
- Evonik Degussa GmbH
- Frank-Martin Petrat
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Film former-free electrolyte/separator system and use thereof in el...
- Patent number 8,173,305
- Issue date May 8, 2012
- Evonik Degussa GmbH
- Michael Holzapfel
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Nanoscalar silicon particles in negative electrode materials for us...
- Patent number 8,124,279
- Issue date Feb 28, 2012
- Evonik Degussa GmbH
- Frank-Martin Petrat
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Patents Applicationslast 30 patents

Information Patent Application
FILM FORMER-FREE ELECTROLYTE/SEPARATOR SYSTEM AND USE THEREOF IN EL...
- Publication number 20100183917
- Publication date Jul 22, 2010
- EVONIK DEGUSSA GmbH
- Michael Holzapfel
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method for Producing Coated Carbon Particles and Use of the Latter...
- Publication number 20080145761
- Publication date Jun 19, 2008
- DEGUSSA GmbH
- Frank-Martin Petrat
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...