Patents by Inventor Yin-Tsan Chen

Yin-Tsan Chen 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).

  • Eraser composition for de-flakes
    Patent number: 7709587
    Abstract: An eraser composition for de-flakes is disclosed. The composition comprises (i) a SEBS copolymer (styrene-ethylene-butylene-styrene) and SBS copolymer (styrene-butadiene-styrene) and TPE styrene, and the weight percentage being 10 to 35%; (ii) organic fillers of sodium carbonate, and pearl powder, and the weight percentage being about 30 to 60%; (iii) paraffin oil, and of a weight percentage of about 35 to 55%; (iv) palm oil, jojoba oil, linolein oil, moisturizer, deep cleanser, and olive oil, and a weight percentage of 5 to 15%; and (v) edible food pigments, or edible colorants, and the weight percentage of 0.1 to 0.5%.
    Type: Grant
    Filed: November 21, 2006
    Date of Patent: May 4, 2010
    Inventor: Yin-Tsan Chen
  • ERASER COMPOSITION FOR DE-FLAKES
    Publication number: 20080118459
    Abstract: An eraser composition for de-flakes is disclosed. The composition comprises (i) a SEBS copolymer (styrene-ethylene-butylene-styrene) and SBS copolymer (styrene-butadiene-styrene) and TPE ethane's rubber and other compositions, and the weight percentage being 10 to 35%; (ii) organic fillers of sodium carbonate, and pearl powder, and the weight percentage being about 30 to 60%; (iii) paraffin oil of weight percentage of about 35 to 55%; (iv) palm oil, jojoba oil, linolein oil, moisturizer, deep cleanser, olive oil and weight percentage of 5 to 15%; and (v) edible food pigments, edible colorants and the weight percentage of 0.1 to 0.5%.
    Type: Application
    Filed: November 21, 2006
    Publication date: May 22, 2008
    Inventor: Yin-Tsan Chen