Patents by Inventor Yeo Saeng Yoon

Yeo Saeng Yoon 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).

  • Biodegradable plastic container having a moisture permeability
    Patent number: 6706345
    Abstract: The present invention relates to a plastic container which has a good biodegradability and a moisture permeability manufactured by using a novel polyester resin composition under a specific injection and extrusion molding conditions in the forms of a bottle, a blister pack, a medicated paper pouch and the like, which thus enables to preserve the contents of the container such as pharmaceutical drugs, food and beverages dry without the addition of desiccants and can be disposed of without causing environmental contamination.
    Type: Grant
    Filed: June 15, 2000
    Date of Patent: March 16, 2004
    Assignee: Boo Yoon Tech Inc.
    Inventor: Yeo Saeng Yoon
  • Biodegradable disposable syringe
    Patent number: 6639047
    Abstract: The present invention relates to a biodegradable disposable syringe and more particularly, to the biodegradable disposable syringe by using a novel polyester resin composition under a specific injection molding condition, thus being able to be disposed of without causing environmental contamination.
    Type: Grant
    Filed: June 11, 2002
    Date of Patent: October 28, 2003
    Assignee: Boo Yoon Tech, Inc.
    Inventor: Yeo Saeng Yoon
  • Biodegradable infusion set
    Patent number: 6569142
    Abstract: The present invention relates to a plastic infusion set. Unlike the conventional ones, the infusion set of the present invention is manufactured by using a novel biodegradable polyester resin composition with superior physical properties which thus can be degraded in nature without causing an environmental contamination and can also be applied in broader fields of medical industry.
    Type: Grant
    Filed: June 15, 2000
    Date of Patent: May 27, 2003
    Assignee: Boo Yoon Tech, Inc.
    Inventor: Yeo Saeng Yoon
  • Biodegradable disposable syringe
    Publication number: 20020183696
    Abstract: The present invention relates to a biodegradable disposable syringe and more particularly, to the biodegradable disposable syringe by using a novel polyester resin composition under a specific injection molding condition, thus being able to be disposed of without causing environmental contamination.
    Type: Application
    Filed: June 11, 2002
    Publication date: December 5, 2002
    Inventor: Yeo Saeng Yoon
  • Biodegradable disposable syringe
    Patent number: 6440106
    Abstract: The present invention relates to a biodegradable disposable syringe and more particularly, to the biodegradable disposable syringe by using a novel polyester resin composition under a specific injection molding condition, thus being able to be disposed of without causing environmental contamination.
    Type: Grant
    Filed: June 15, 2000
    Date of Patent: August 27, 2002
    Assignee: Boo Yoon Tech, Inc.
    Inventor: Yeo Saeng Yoon
  • Method for removing glass particles adhered to the inner wall of a glass cartridge of an injection syringe
    Patent number: 6165281
    Abstract: A method of removing glass particles adhering to an inner wall of a glass cartridge of an injection syringe. A helical brush remover made of polyhexamethylene dodecanediamide or a helical stone remover made of aluminum oxide and titanium oxide is inserted into the inner wall of the glass cartridge. The helical brush or helical stone remover rubs against the inner wall of the glass cartridge to remove glass particles as water is sprayed onto the inner wall of the glass cartridge.
    Type: Grant
    Filed: February 23, 2000
    Date of Patent: December 26, 2000
    Assignee: Boo Yoon Tech, Inc.
    Inventor: Yeo Saeng Yoon