Patents by Inventor Yoon Dong Han

Yoon Dong Han 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).

  • Soft chewable multivitamin tablet comprising separated active ingredients
    Patent number: 6444218
    Abstract: The present invention provides an improved soft chewable multivitamin tablet in which vitamin C is separated from calcium pantothenate and/or minerals such as iron, copper, zinc and mixtures thereof in a core or multilaminate form and a process for preparing the same. The soft chewable multivitamin tablet of the present invention maintains its stability over a long-storage time in terms of the content and potency of vitamins while overcoming the problems of incompatibility, bad mouthfeel and palatability.
    Type: Grant
    Filed: June 8, 2001
    Date of Patent: September 3, 2002
    Assignee: Sam-A-Pharmaceuticals Co. Ltd.
    Inventors: Yoon Dong Han, Jong Bum Park
  • Soft chewable tablet comprising separated active ingredients
    Patent number: 6440450
    Abstract: The present invention provides an improved soft chewable multivitamin tablet in which vitamin C is separated from calcium pantothenate and/or minerals such as iron, copper, zinc and mixtures thereof in a core or multilaminate form and a process for preparing the same. The soft chewable multivitamin tablet of the present invention maintains its stability over a long-storage time in terms of the content and potency of vitamins while overcoming the problems of incompatibility, bad mouthfeel and palatability.
    Type: Grant
    Filed: May 19, 1999
    Date of Patent: August 27, 2002
    Assignee: Sam-Pharmaceutical Co., Ltd.
    Inventors: Yoon Dong Han, Jong Bum Park
  • Soft chewable multivitamin tablet comprising separated active ingredients
    Publication number: 20010036468
    Abstract: The present invention provides an improved soft chewable multivitamin tablet in which vitamin C is separated from calcium pantothenate and/or minerals such as iron, copper, zinc and mixtures thereof in a core or multilaminate form and a process for preparing the same. The soft chewable multivitamin tablet of the present invention maintains its stability over a long-storage time in terms of the content and potency of vitamins while overcoming the problems of incompatibility, bad mouthfeel and palatability.
    Type: Application
    Filed: June 8, 2001
    Publication date: November 1, 2001
    Applicant: SAM-A-PHARMACEUTICALS CO., LTD.
    Inventors: Yoon Dong Han, Jong Bum Park