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Patents Grantslast 30 patents

Information Patent Grant
Method for producing a granular material and product obtained
- Patent number 7,670,519
- Issue date Mar 2, 2010
- Sem Stone
- Jean-Pierre Camp
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Pumice stone with a carbon content, process for its production and...
- Patent number 7,517,831
- Issue date Apr 14, 2009
- Sem Stone
- Jean-Pierre Camp
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
Method for Producing a Granular Material and Product Obtained
- Publication number 20070261605
- Publication date Nov 15, 2007
- SEM STONE
- Jean-Pierre Camp
- C05 - FERTILISERS MANUFACTURE THEREOF

Trademarklast 30 trademarks