Patents Assigned to Green Technology Inc.
  • Method and composition of a hydrophilic polymer dispersion containing a colloidal silica to be used for the retention aids of fine particles in papermaking system
    Patent number: 6630530
    Abstract: The present invention relates to the method and composition of a hydrophilic polymer dispersion containing a colloidal silica to be used for the retention aids of fine particles in papermaking system. More particularly, it relates to the method and composition of a hydrophilic polymer dispersion containing a colloidal silica, which can be used for recycling resources and reducing pollution of the waste water by retaining fine particles in papermaking system.
    Type: Grant
    Filed: February 13, 2001
    Date of Patent: October 7, 2003
    Assignee: Green Technology Inc.
    Inventor: Sung Wook Han
  • Method and composition of a hydrophilic polymer dispersion containing an inorganic flocculant to be used for the treatment of waste water
    Patent number: 6531531
    Abstract: The present invention relates to the method and composition of a hydrophilic polymer dispersion containing an inorganic flocculent to be used for the treatment of waste water. More particularly, it relates to the method and composition of a hydrophilic polymer dispersion containing an inorganic flocculent, which has the properties of declining and reducing the water content of flock as well as water content of sludge cake obtained after treating the waste water.
    Type: Grant
    Filed: February 8, 2001
    Date of Patent: March 11, 2003
    Assignee: Green Technology Inc.
    Inventor: Sung Wook Han