Klaus Arnold

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Hanau, DE

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Patents Grantslast 30 patents

Information Patent Grant
Porous silica granule, method for producing the same, and method fo...
- Patent number 6,849,242
- Issue date Feb 1, 2005
- Heraeus Quarzglas GmbH & Co. KG
- Rainer Koeppler
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method for the manufacture of SiO.sub.2 granular material
- Patent number 5,979,186
- Issue date Nov 9, 1999
- Heraeus Quarzglas GmbH
- Rainer Koppler
- C03 - GLASS MINERAL OR SLAG WOOL