Patents by Inventor Cheng-Shung Gong

Cheng-Shung Gong 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).

  • Direct fermentation of D-xylose to ethanol by a xylose-fermenting yeast mutant
    Patent number: 4511656
    Abstract: A process for obtaining ethanol directly from D-xylose through fermentation of D-xylose by xylose-fermenting yeast mutants. The process provides for obtaining ethanol from hemicellulose hydrolyzates through yeast fermentation of D-xylose to ethanol. In addition, a process for producing yeast mutants capable of utilizing D-xylose to ethanol in high yields is described. Furthermore, the process also provides for obtaining ethanol from a mixture of cellulose and hemicellulose hydrolyzates through yeast fermentation of D-glucose and D-xylose directly and simultaneously to ethanol.
    Type: Grant
    Filed: May 11, 1982
    Date of Patent: April 16, 1985
    Assignee: Purdue Research Foundation
    Inventor: Cheng-Shung Gong
  • Production of ethanol by yeast using xylulose
    Patent number: 4490468
    Abstract: Ethanol is produced by the fermentation of xylulose using yeast under fermentative conditions.
    Type: Grant
    Filed: April 23, 1980
    Date of Patent: December 25, 1984
    Assignee: Purdue Research Foundation
    Inventors: Cheng Shung Gong, Li Fu Chen, Michael C. Flickinger, George T. Tsao
  • Direct fermentation of D-xylose to ethanol by a xylose-fermenting yeast mutant
    Patent number: 4368268
    Abstract: A process for obtaining ethanol directly from D-xylose through fermentation of D-xylose by xylose-fermenting yeast mutants. The process provides for obtaining ethanol from hemicellulose hydrolyzates through yeast fermentation of D-xylose to ethanol. Furthermore, the process also provides for obtaining ethanol from a mixture of cellulose and hemicellulose hydrolyzates through yeast fermentation of D-glucose and D-xylose directly and simultaneously to ethanol.
    Type: Grant
    Filed: May 15, 1981
    Date of Patent: January 11, 1983
    Assignee: Purdue Research Foundation
    Inventor: Cheng-Shung Gong
  • Media manipulation for preparing biologically active hollow mycelial pellets
    Patent number: 4332903
    Abstract: Biologically active hollow fungal mycelial pellets are prepared by media manipulation. Initially fungal spores are innoculated under conditions limiting growth to formation of tiny cell aggregates of less than about 2 mm. Thereafter, the aggregates are subjected to conditions supportive of vigorous vegetative growth and agitation to produce hollow pellets having a porous spherical webbed mycelial layer and hollow core.
    Type: Grant
    Filed: August 1, 1980
    Date of Patent: June 1, 1982
    Assignee: Purdue Research Foundation
    Inventors: Cheng-Shung Gong, Li-Fu Chen, George T. Tsao