Patents Assigned to Intersilicone, Ltd.
  • Polyorganosilsesquioxane and process for preparing the same
    Patent number: 6787625
    Abstract: Provided are polyorganosilsesquioxane and process for preparing the same. The polyorganosilsesquioxane is obtained by various methods including polymerization of 1,3-diorganosiloxane, a precursor that is prepared by using silane compounds as starting materials. The polyorganosilsesquioxane has convenience in handling and controlling the rate of polymerization, and structure of highly regular form, and be imparted high functionality and various characteristics as compared to a conventional polyorganosilsesquioxane.
    Type: Grant
    Filed: August 19, 2002
    Date of Patent: September 7, 2004
    Assignee: Intersilicone Ltd.
    Inventor: Eung-Chan Lee
  • Polyorganosilsesquioxane and process for preparing the same
    Patent number: 6774202
    Abstract: Provided are polyorganosilsesquioxane and process for preparing the same. The polyorganosilsesquioxane is obtained by various methods including polymerization of an organosilanetriol as starting materials. The polyorganosilsesquioxane has convenience in handling and controlling the rate of polymerization, and structure of highly regular form, and be imparted high functionality and various characteristics as compared to a conventional polyorganosilsesquioxane.
    Type: Grant
    Filed: August 19, 2002
    Date of Patent: August 10, 2004
    Assignee: Intersilicone, Ltd.
    Inventor: Eung-Chan Lee