Patents by Inventor Tou-Hsiung Yang

Tou-Hsiung Yang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Stable biodegradable, high water absorbable polyglutamic acid hydrogel by 3-dimensional cross-linking and its preparation method
    Patent number: 7790417
    Abstract: The present invention relates to a method for the production of a stable biodegradable, high water absorbable ?-polyglutamic acid (?-PGA) hydrogel by directly cross-linking (A) a ?-polyglutamic acid (?-PGA), a ?-polyglutamate, or a mixture thereof, and optionally a polysaccharide containing a carboxylic and/or carboxylate group, an amino acid, or a mixture thereof; and/or (B) a microbial culture broth containing a ?-polyglutamic acid (?-PGA), a ?-polyglutamate, or a mixture thereof, and optionally a polysaccharide containing a carboxylic and/or carboxylate group, an amino acid, or a mixture thereof, with a cross-linker comprising a compound having three or more functional groups or a mixture of a compound having three or more functional groups and a compound having two functional groups, wherein each of the functional groups can react with a carboxylic group (—COOH), carboxylate group (—COO?), aldehyde group (—CHO), hydroxyl (—OH), carbonyl group (—CO), sulfone group (—SO2), amino group (—NH2) or nitro gro
    Type: Grant
    Filed: March 13, 2008
    Date of Patent: September 7, 2010
    Assignee: Tung Hai Biotechnology Corporation
    Inventors: Guan-Heui Ho, Tou-Hsiung Yang, Kung-Hsiang Yang
  • Stable biodegradable, high water absorbable ?-polyglutamic acid hydrogel by 3-dimensional cross-linking and its preparation method
    Patent number: 7759088
    Abstract: The present invention relates to a method for the production of a stable biodegradable, high water absorbable ?-polyglutamic acid (?-PGA) hydrogel by directly cross-linking (A) a ?-polyglutamic acid (?-PGA), a ?-polyglutamate, or a mixture thereof, and optionally a polysaccharide containing a carboxylic and/or carboxylate group, an amino acid, or a mixture thereof; and/or (B) a microbial culture broth containing a ?-polyglutamic acid (?-PGA), a ?-polyglutamate, or a mixture thereof, and optionally a polysaccharide containing a carboxylic and/or carboxylate group, an amino acid, or a mixture thereof, with a cross-linker comprising a compound having three or more functional groups or a mixture of a compound having three or more functional groups and a compound having two functional groups, wherein each of the functional groups can react with a carboxylic group (—COOH), carboxylate group (—COO?), aldehyde group (—CHO), hydroxyl (—OH), carbonyl group (—CO), sulfone group (—SO2), amino group (—NH2) or nitro gro
    Type: Grant
    Filed: March 13, 2008
    Date of Patent: July 20, 2010
    Assignee: Tung Hai Biotechnology Corporation
    Inventors: Guan-Heui Ho, Tou-Hsiung Yang, Kung-Hsiang Yang
  • Dietary products comprising one or more of ?-polyglutamic acid (?-PGA, H form) and ?-polyglutamates for use as nutrition supplements
    Patent number: 7632804
    Abstract: The present invention relates to a dietary product comprising ?-polyglutamic acid (?-PGA, H form), and/or one or more of its salts (i.e., ?-polyglutamate in Na+ form, ?-polyglutamate in K+ form, ?-polyglutamate in NH4+ form, ?-polyglutamate in Mg++ form, and ?-polyglutamate in Ca++ form) for use as a nutrition supplement.
    Type: Grant
    Filed: September 12, 2005
    Date of Patent: December 15, 2009
    Assignee: Tung Hai Biotechnology Corporation
    Inventors: Guan-Huei Ho, Tou-Hsiung Yang, Jeng Yang
  • MOISTURIZERS COMPRISING ONE OR MORE OF gamma-POLYGLUTAMIC ACID (gamma-PGA, H FORM), gamma-POLYGLUTAMATES AND gamma-POLYGLUTAMATE HYDROGELS FOR USE IN COSMETIC OR PERSONAL CARE PRODUCTS
    Publication number: 20090110705
    Abstract: The present invention relates to a moisturizer comprising ?-polyglutamic acid (?-PGA, H form), and/or one or more of its salts (i.e., ?-polyglutamate in Na+ form, ?-polyglutamate in K+ form, ?-polyglutamate in NH4+ form, ?-polyglutamate in Mg++ form, ?-polyglutamate in Ca++ form) and/or ?-polyglutamate hydrogel, wherein said moisturizer is used in cosmetic products or personal care products.
    Type: Application
    Filed: October 29, 2008
    Publication date: April 30, 2009
    Inventors: Guan-Huei HO, Tou-hsiung Yang, Jeng Yang
  • Method for removing heavy metals from and dissolving calcium and/or magnesium scales in water or aqueous system
    Patent number: 7479229
    Abstract: The present invention relates to a method for removing a heavy metal from and/or dissolving calcium and/or magnesium scales in water or an aqueous system comprising using ?-polyglutamic acid (?-PGA, H form), and/or one or more of its salts (i.e., ?-polyglutamate in Na+ form, ?-polyglutamate in K+ form, and ?-polyglutamate in NH4+ form) and/or ?-polyglutamate hydrogel as chelating agents for removing heavy metals and/or dissolving agents for removing calcium and/or magnesium scales from water or the aqueous system.
    Type: Grant
    Filed: May 16, 2006
    Date of Patent: January 20, 2009
    Assignee: Tung Hai Biotechnology Corporation
    Inventors: Guan-Huei Ho, Jeng Yang, Tou-Hsiung Yang
  • STABLE BIODEGRADABLE, HIGH WATER ABSORBABLE POLYGLUTAMIC ACID HYDROGEL BY 3-DIMENSIONAL CROSS-LINKING AND ITS PREPARATION METHOD
    Publication number: 20080160569
    Abstract: The present invention relates to a method for the production of a stable biodegradable, high water absorbable ?-polyglutamic acid (?-PGA) hydrogel by directly cross-linking (A) a ?-polyglutamic acid (?-PGA), a ?-polyglutamate, or a mixture thereof, and optionally a polysaccharide containing a carboxylic and/or carboxylate group, an amino acid, or a mixture thereof; and/or (B) a microbial culture broth containing a ?-polyglutamic acid (?-PGA), a ?-polyglutamate, or a mixture thereof, and optionally a polysaccharide containing a carboxylic and/or carboxylate group, an amino acid, or a mixture thereof, with a cross-linker comprising a compound having three or more functional groups or a mixture of a compound having three or more functional groups and a compound having two functional groups, wherein each of the functional groups can react with a carboxylic group (—COOH), carboxylate group (—COO?), aldehyde group (—CHO), hydroxyl (—OH), carbonyl group (—CO), sulfone group (—SO2), amino group (—NH2) or nitro gro
    Type: Application
    Filed: March 13, 2008
    Publication date: July 3, 2008
    Applicant: TUNG HAI BIOTECHNOLOGY CORPORATION
    Inventors: Guan-Heui Ho, Tou-Hsiung Yang, Kung-Hsiang Yang
  • STABLE BIODEGRADABLE, HIGH WATER ABSORBABLE POLYGLUTAMIC ACID HYDROGEL BY 3-DIMENSIONAL CROSS-LINKING AND ITS PREPARATION METHOD
    Publication number: 20080161605
    Abstract: The present invention relates to a method for the production of a stable biodegradable, high water absorbable ?-polyglutamic acid (?-PGA) hydrogel by directly cross-linking (A) a ?-polyglutamic acid (?-PGA), a ?-polyglutamate, or a mixture thereof, and optionally a polysaccharide containing a carboxylic and/or carboxylate group, an amino acid, or a mixture thereof; and/or (B) a microbial culture broth containing a ?-polyglutamic acid (?-PGA), a ?-polyglutamate, or a mixture thereof, and optionally a polysaccharide containing a carboxylic and/or carboxylate group, an amino acid, or a mixture thereof, with a cross-linker comprising a compound having three or more functional groups or a mixture of a compound having three or more functional groups and a compound having two functional groups, wherein each of the functional groups can react with a carboxylic group (—COOH), carboxylate group (—COO?), aldehyde group (—CHO), hydroxyl (—OH), carbonyl group (—CO), sulfone group (—SO2), amino group (—NH2) or nitro gro
    Type: Application
    Filed: March 13, 2008
    Publication date: July 3, 2008
    Applicant: TUNG HAI BIOTECHNOLOGY CORPORATION
    Inventors: Guan-Huei Ho, Tou-Hsiung Yang, Kung-Hsiang Yang
  • Stable biodegradable, high water absorbable polyglutamic acid hydrogel by 3-dimensional cross-linking and its preparation method
    Patent number: 7364879
    Abstract: The present invention relates to a method for the production of a stable biodegradable, high water absorbable ?-polyglutamic acid (?-PGA) hydrogel by directly cross-linking (A) a ?-polyglutamic acid (?-PGA), a ?-polyglutamate, or a mixture thereof, and optionally a polysaccharide containing a carboxylic and/or carboxylate group, an amino acid, or a mixture thereof; and/or (B) a microbial culture broth containing a ?-polyglutamic acid (?-PGA), a ?-polyglutamate, or a mixture thereof, and optionally a polysaccharide containing a carboxylic and/or carboxylate group, an amino acid, or a mixture thereof, with a cross-linker comprising a compound having three or more functional groups or a mixture of a compound having three or more functional groups and a compound having two functional groups, wherein each of the functional groups can react with a carboxylic group (—COOH), carboxylate group (—COO?), aldehyde group (—CHO), hydroxyl (—OH), carbonyl group (—CO), sulfone group (—SO2), amino group (—NH2) or nitro gr
    Type: Grant
    Filed: December 19, 2003
    Date of Patent: April 29, 2008
    Assignee: Tung Hai Biotechnology Corporation
    Inventors: Guan-Huei Ho, Tou-Hsiung Yang, Kung-Hsiang Yang
  • Method for enhancing the growth of crops, plants, or seeds, and soil renovation
    Publication number: 20080009414
    Abstract: The subject invention provides a method for enhancing the growth of crops, plants, or seeds, simultaneously strengthening plant stem and trunks, increasing the yields of crops, and improving the suppression of phytopathogenic diseases, which comprises applying a material containing ?-polyglutamic acid (“?-PGA,” H form) and/or its salt, a ?-polyglutamate hydrogel, a fermentation broth comprising ?-PGA, its salt and/or ?-polyglutamate hydrogel, or a mixture thereof to the crops, plants, or seeds, or fields for growing the crops, plants or seeds.
    Type: Application
    Filed: July 7, 2006
    Publication date: January 10, 2008
    Inventors: Guan-Huei Ho, Jeng Yang, Tou-Hsiung Yang
  • Method for removing heavy metals from and dissolving calcium and/or magnesium scales in water or aqueous system
    Publication number: 20070125978
    Abstract: The present invention relates to a method for removing a heavy metal from and/or dissolving calcium and/or magnesium scales in water or an aqueous system comprising using ?-polyglutamic acid (?-PGA, H form), and/or one or more of its salts (i.e., ?-polyglutamate in Na+ form, ?-polyglutamate in K+ form, and ?-polyglutamate in NH4+ form) and/or ?-polyglutamate hydrogel as chelating agents for removing heavy metals and/or dissolving agents for removing calcium and/or magnesium scales from water or the aqueous system.
    Type: Application
    Filed: May 16, 2006
    Publication date: June 7, 2007
    Applicant: Tung Hai Biotechnology Corporation
    Inventors: Guan-Huei Ho, Jeng Yang, Tou-Hsiung Yang
  • Dietary products comprising one or more of gamma-polyglutamic acid (gamma-PGA, H form) and gamma-polyglutamates for use as nutrition supplements
    Publication number: 20060257468
    Abstract: The present invention relates to a dietary product comprising ?-polyglutamic acid (?-PGA, H form), and/or one or more of its salts (i.e., ?-polyglutamate in Na+ form, ?-polyglutamate in K+ form, ?-polyglutamate in NH4+ form, ?-polyglutamate in Mg++ form, and ?-polyglutamate in Ca++ form) for use as a nutrition supplement.
    Type: Application
    Filed: September 12, 2005
    Publication date: November 16, 2006
    Inventors: Guan-Huei Ho, Tou-Hsiung Yang, Jeng Yang
  • Moisturizers comprising one or more of gamma-polyglutamic acid (gamma-PGA, H form), gamma-polyglutamates and gamma-polyglutamate hydrogels for use in cosmetic or personal care products
    Publication number: 20060153785
    Abstract: The present invention relates to a moisturizer comprising ?-polyglutamic acid (?-PGA, H form), and/or one or more of its salts (i.e., ?-polyglutamate in Na+ form, ?-polyglutamate in K+ form, ?-polyglutamate in NH4+ form, ?-polyglutamate in Mg++ form, ?-polyglutamate in Ca++ form) and/or ?-polyglutamate hydrogel, wherein said moisturizer is used in cosmetic products or personal care products.
    Type: Application
    Filed: May 5, 2005
    Publication date: July 13, 2006
    Inventors: Guan-Huei Ho, Tou-hsiung Yang, Jeng Yang
  • Stable biodegradable, high water absorbable gramma-polyglumatic acid hydrogel by 3-dimensional cross-linking and its preparation method
    Publication number: 20050136516
    Abstract: The present invention relates to a method for the production of a stable biodegradable, high water absorbable ?-polyglutamic acid (?-PGA) hydrogel by directly cross-linking (A) a ?-polyglutamic acid (?-PGA), a ?-polyglutamate, or a mixture thereof, and optionally a polysaccharide containing a carboxylic and/or carboxylate group, an amino acid, or a mixture thereof; and/or (B) a microbial culture broth containing a ?-polyglutamic acid (?-PGA), a ?-polyglutamate, or a mixture thereof, and optionally a polysaccharide containing a carboxylic and/or carboxylate group, an amino acid, or a mixture thereof, with a cross-linker comprising a compound having three or more functional groups or a mixture of a compound having three or more functional groups and a compound having two functional groups, wherein each of the functional groups can react with a carboxylic group (—COOH), carboxylate group (—COO?), aldehyde group (—CHO), hydroxyl (—OH), carbonyl group (—CO), sulfone group (—SO2), amino group (—NH2) or nitro group
    Type: Application
    Filed: December 19, 2003
    Publication date: June 23, 2005
    Inventors: Guan-Huei Ho, Tou-Hsiung Yang, Kung-Hsiang Yang