Le Zeng

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Vegreville, CA

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Patents Grantslast 30 patents

Information Patent Grant
Process for removal and recovery of nutrients from digested manure...
- Patent number 7,014,768
- Issue date Mar 21, 2006
- Alberta Research Council Inc.
- Xiaomei Li
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...

Patents Applicationslast 30 patents

Information Patent Application
NUTRIENT RECOVERY METHODS AND USES THEREOF
- Publication number 20150336823
- Publication date Nov 26, 2015
- Le Zeng
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
NUTRIENT RECOVERY METHODS AND USES THEREOF
- Publication number 20120074058
- Publication date Mar 29, 2012
- HIGHMARK RENEWABLES RESEARCH, L.P.
- Le Zeng
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Application
Process for removal and recovery of nutrients from digested manure...
- Publication number 20040164021
- Publication date Aug 26, 2004
- Xiaomei Li
- C05 - FERTILISERS MANUFACTURE THEREOF