Patents by Inventor Yueh-Chu Chen

Yueh-Chu Chen 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).

  • Patent number: 9144590
    Abstract: Disclosed herein is the use of an extract from an Aster species for the preparation of a medicament for the treatment of opioid-induced constipation. The extract is extracted from fresh and/or dried roots and rhizomes of a Tatarian aster (Aster tartaricus) plant, in which the extraction uses water or 40-95% (v/v) ethanol as an extractant to obtain an extraction mixture. In some embodiments, the extraction mixture is then eluted with water followed by at least one eluent.
    Type: Grant
    Filed: December 23, 2011
    Date of Patent: September 29, 2015
    Assignee: Medical and Pharmaceutical Industry Technology and Development Center
    Inventors: Jui-Ching Chen, Che-Yi Lin, Chien-Chang Wu, Cheng-Po Huang, Yuan-Ling Ku, Yueh-Chu Chen, Yu-Hsuan Lin, Chih-Sheng Hung
  • Patent number: 8257759
    Abstract: An antitussive composition is provided. A pharmaceutical composition for relieving, preventing and/or treating a cough includes a sufficient amount of the Morus australis Poir extract as an active component. The effective Morus australis Poir extract is prepared by extracting the root-bark of the Morus australis Poir with water, ethanol, acetone, ethyl acetate, or a combination thereof. The crude extract can be further fractioned by ultrafiltration or reverse phase column.
    Type: Grant
    Filed: December 25, 2008
    Date of Patent: September 4, 2012
    Assignee: Medical and Pharmaceutical Industry Technology and Development Center
    Inventors: Yuan-Ling Ku, Chien-Jen Shih, Hsiao-Chu Huang, Chun-Hung Kuo, Yi-Chen Lin, Yueh-Chu Chen, Feng-Nien Ko
  • Publication number: 20120164251
    Abstract: Disclosed herein is the use of an extract from an Aster species for the preparation of a medicament for the treatment of opioid-induced constipation. The extract is extracted from fresh and/or dried roots and rhizomes of a Tatarian aster (Aster tartaricus) plant, in which the extraction uses water or 40-95% (v/v) ethanol as an extractant to obtain an extraction mixture. In some embodiments, the extraction mixture is then eluted with water followed by at least one eluent.
    Type: Application
    Filed: December 23, 2011
    Publication date: June 28, 2012
    Inventors: Jui-Ching CHEN, Che-Yi Lin, Chien-Chang Wu, Cheng-Po Huang, Yuan-Ling Ku, Yueh-Chu Chen, Yu-Hsuan Lin, Chih-Sheng Hung
  • Publication number: 20100166890
    Abstract: An antitussive composition is provided. A pharmaceutical composition for relieving, preventing and/or treating a cough includes a sufficient amount of the Morus australis Poir extract as an active component. The effective Morus australis Poir extract is prepared by extracting the root-bark of the Morus australis Poir with water, ethanol, acetone, ethyl acetate, or a combination thereof. The crude extract can be further fractioned by ultrafiltration or reverse phase column.
    Type: Application
    Filed: December 25, 2008
    Publication date: July 1, 2010
    Applicant: Pharmaceutical Industry Technology and Development Center
    Inventors: Yuan-Ling Ku, Chien-Jen Shih, Hsiao-Chu Huang, Chun-Hung Kuo, Yi-Chen Lin, Yueh-Chu Chen
  • Patent number: 7069701
    Abstract: An improved groundwork frame comprises a protruded bar each disposed in the middle of the top of an upper board and a lower board; an embedding groove being disposed in the middle of the bottom of the groundwork frame and corresponsive to the protruded bar; an upper groove and a lower groove respectively disposed on both sides of each floor board to define an embedded assembly; an opening being disposed on each corresponding edge of adjacent boards; an elastic clamp for clipping and securing the groundwork frame, and each floor board having a chamber; a screw hole and an adjusting screw hole being disposed on both sides of the chamber, such that the lower board on the floor being sheathed in the latch and an adjusting screw rod for adjusting the floor to an appropriate height.
    Type: Grant
    Filed: September 5, 2003
    Date of Patent: July 4, 2006
    Inventor: Yueh-Chu Chen
  • Publication number: 20050050819
    Abstract: An improved groundwork frame comprises a protruded bar each disposed in the middle of the top of an upper board and a lower board; an embedding groove being disposed in the middle of the bottom of the groundwork frame and corresponsive to the protruded bar; an upper groove and a lower groove respectively disposed on both sides of each floor board to define an embedded assembly; an opening being disposed on each corresponding edge of adjacent boards; an elastic clamp for clipping and securing the groundwork frame, and each floor board having a chamber; a screw hole and an adjusting screw hole being disposed on both sides of the chamber, such that the lower board on the floor being sheathed in the latch and an adjusting screw rod for adjusting the floor to an appropriate height.
    Type: Application
    Filed: September 5, 2003
    Publication date: March 10, 2005
    Inventor: Yueh-Chu Chen