Joseph W Henning

US Patent:

6972284, Dec 6, 2005

Filed:

Dec 18, 2000

Appl. No.:

09/739406

Inventors:

Weiyu Fan - Minnetonka MN, US
John A. Bohlmann - Ottumwa IA, US
James R. Trinkle - Bussey IA, US
James Donald Steinke - Oskaloosa IA, US
Joseph P. Henning - Eddyville IA, US

Assignee:

Cargill, Incorporated - Wayzata MN

International Classification:

A01N043/04
A61K031/722

US Classification:

514 55, 42419515, 42419516, 424405, 4352541

Abstract:

A highly deacetylated chitosan obtained from microbial biomass, a method of obtaining chitosan from microbial biomass, and biomass for making chitosan are disclosed. The method includes providing chitin-containing biomass; reacting the chitin-containing biomass in a caustic solution of greater than 25 percent alkali at a reaction temperature greater than 95 C. for a reaction period of at least 10 hours to convert the chitin in the biomass to chitosan; and separating the chitosan from the caustic solution.

US Patent:

7049433, May 23, 2006

Filed:

Dec 19, 2002

Appl. No.:

10/326549

Inventors:

Weiyu Fan - Minnetonka MN, US
John A. Bohlmann - Ottumwa IA, US
James R. Trinkle - Bussey IA, US
James Donald Steinke - Oskaloosa IA, US
Joseph P. Henning - Eddyville IA, US

Assignee:

Cargill, Incorporated - Wayzata MN

International Classification:

C08B 37/00
C07H 5/04
A61K 31/70

US Classification:

536 552, 536 553, 514 62

Abstract:

Glucosamine suitable for human or animal consumption is disclosed. The glucosamine is derived from microbial biomass containing chitin. Suitable starting materials include substantially uniform microbial fungal sources, such as fungal sources derived from sp. , sp. , sp. and combinations thereof. Methods of producing glucosamine by acid hydrolysis of fermented fungal biomass are also disclosed.

US Patent:

7413881, Aug 19, 2008

Filed:

Jun 15, 2005

Appl. No.:

11/153801

Inventors:

Weiyu Fan - Minnetonka MN, US
John A. Bohlmann - Ottumwa IA, US
James R. Trinkle - Bussey IA, US
James Donald Steinke - Oskaloosa IA, US
Joseph P. Henning - Eddyville IA, US

Assignee:

Cargill, Incorporated - Minneapolis MN

International Classification:

C12P 19/04
C12P 1/02
C08B 37/08

US Classification:

435101, 435171, 435911, 435917, 435921, 536 20

Abstract:

A highly deacetylated chitosan obtained from microbial biomass, a method of obtaining chitosan from microbial biomass, and biomass for making chitosan are disclosed. The method includes providing chitin-containing biomass; reacting the chitin-containing biomass in a caustic solution of greater than 25 percent alkali at a reaction temperature greater than 95 C. for a reaction period of at least 10 hours to convert the chitin in the biomass to chitosan; and separating the chitosan from the caustic solution.

US Patent:

20020115639, Aug 22, 2002

Filed:

Feb 16, 2001

Appl. No.:

09/785695

Inventors:

Weiyu Fan - Minnetonka MN, US
John Bohlman - Ottumwa IA, US
James Trinkle - Bussey IA, US
James Steinke - Oskaloosa IA, US
Joseph Henning - Eddyville IA, US

International Classification:

A61K031/7008
C07H005/04

US Classification:

514/062000, 536/055200

Abstract:

Glucosamine suitable for human or animal consumption is disclosed. The glucosamine is derived from microbial biomass containing chitin. Suitable starting materials include substantially uniform microbial fungal sources, such as fungal sources derived from Aspergillus sp., Penicillium sp., Mucor sp. and combinations thereof. Methods of producing glucosamine by acid hydrolysis of fermented fungal biomass are also disclosed.