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Weiyu Fan
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Minnetonka, MN, US
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Patents Grants
last 30 patents
Information
Patent Grant
Chitosan production
Patent number
7,488,812
Issue date
Feb 10, 2009
Cargill, Incorporated
James R. Trinkle
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Chitosan and method of preparing chitosan
Patent number
7,413,881
Issue date
Aug 19, 2008
Cargill, Incorporated
Weiyu Fan
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Glucosamine and method of making glucosamine from microbial biomass
Patent number
H2218
Issue date
Jun 3, 2008
Ki-Oh Hwang
514 - Drug, bio-affecting and body treating compositions
Information
Patent Grant
Glucosamine and method of making glucosamine from microbial biomass
Patent number
7,049,433
Issue date
May 23, 2006
Cargill, Incorporated
Weiyu Fan
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Chitosan and method of preparing chitosan
Patent number
6,972,284
Issue date
Dec 6, 2005
Cargill, Incorporated
Weiyu Fan
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Patents Applications
last 30 patents
Information
Patent Application
CHITOSAN PRODUCTION
Publication number
20090099347
Publication date
Apr 16, 2009
Cargill, Incorporated
James R. Trinkle
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Chitosan and method of preparing chitosan
Publication number
20050245482
Publication date
Nov 3, 2005
Weiyu Fan
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Application
Chitosan production
Publication number
20050215774
Publication date
Sep 29, 2005
Jamea R. Trinkle
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Glucosamine and method of making glucosamine from microbial biomass
Publication number
20030181419
Publication date
Sep 25, 2003
Ki-Oh Hwang
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Glucosamine and method of making glucosamine from microbial biomass
Publication number
20030148998
Publication date
Aug 7, 2003
Cargill, Incorporated
Weiyu Fan
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Application
Glucosamine and method of making glucosamine from microbial blomass
Publication number
20020115639
Publication date
Aug 22, 2002
Weiyu Fan
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Application
Chitosan and method of preparing chitosan
Publication number
20020025945
Publication date
Feb 28, 2002
Weiyu Fan
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...