Patents by Inventor Sun Ki Shur

Sun Ki Shur 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).

  • Process for manufacturing granular coated sodium percarbonate for detergent
    Patent number: 6641866
    Abstract: The present invention relates to a manufacturing process of a coated granular sodium percarbonate, wherein the surface of said sodium percarbonate establishes a multiple coating layer by being internally coated with a specific composition containing alkali metal silicate while externally coated with a specific composition containing alkali metal sulfate on upper part of said internally coated layer thus providing said sodium percarbonate an excellent dissolving rate in water as well as a good storage stability, preventing it from caking during delivery or storage, and being ultimately utilized as an effective detergent bleach containing zeolite as its detergent builder.
    Type: Grant
    Filed: January 9, 2002
    Date of Patent: November 4, 2003
    Assignee: Oriental Chemical Industries Co., Ltd.
    Inventors: Sang Hwa Lee, Yong Il Kim, Sun Ki Shur, Jong Pill Lee
  • Granular coated sodium percarbonate for detergent
    Patent number: 6465408
    Abstract: The present invention relates to a coated granular sodium percarbonate for detergent and its manufacturing process, and more particularly to a coated granular sodium percarbonate and its manufacturing process, wherein the surface of said sodium percarbonate establishes a multiple coating layer by being internally coated with a specific composition containing alkali metal silicate while externally coated with a specific composition containing alkali metal sulfate on upper part of said internally coated layer thus providing said sodium percarbonate an excellent dissolving rate in water as well as a good storage stability, preventing it from caking during delivery or storage, and being ultimately utilized as an effective detergent bleach containing zeolite as its detergent builder.
    Type: Grant
    Filed: May 24, 2000
    Date of Patent: October 15, 2002
    Assignee: Oriental Chemical Industries Co., Ltd.
    Inventors: Sang Hwa Lee, Yong Il Kim, Sun Ki Shur, Jong Pill Lee
  • Process for manufacturing granular coated sodium percarbonate for detergent
    Publication number: 20020086807
    Abstract: The present invention relates to a coated granular sodium percarbonate for detergent and its manufacturing process, and more particularly to a coated granular sodium percarbonate and its manufacturing process, wherein the surface of said sodium percarbonate establishes a multiple coating layer by being internally coated with a specific composition containing alkali metal silicate while externally coated with a specific composition containing alkali metal sulfate on upper part of said internally coated layer thus providing said sodium percarbonate an excellent dissolving rate in water as well as a good storage stability, preventing it from caking during delivery or storage, and being ultimately utilized as an effective detergent bleach containing zeolite as its detergent builder.
    Type: Application
    Filed: January 9, 2002
    Publication date: July 4, 2002
    Applicant: Oriental Chemical Industries Co., Ltd.
    Inventors: Sang Hwa Lee, Yong Il Kim, Sun Ki Shur, Jong Pill Lee