Patents by Inventor Gyeong Yup Ghi

Gyeong Yup Ghi 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).

  • Amineoxide type surfactant and detergent composition comprising it
    Patent number: 7538248
    Abstract: An amine oxide type surfactant, which has excellent compatibility with an anionic or non-ionic surfactant having excellent detergency and shows excellent detergency and softening effect, is represented by the following formula 1: wherein R1 and R2 are the same or different, and each independently represents a C8˜C22 linear or branched alkyl or alkenyl group; A represents a C1˜C4 alkyl, alkenyl or hydroxyalkyl group; X represents OH, a C1˜C4 alkyl, hydroxyalkyl, (CH2CH2O)nH, (CHCH3CH2O)nH or a combination of (CH2CH2O)nH and (CHCH3CH2O)nH; and n is a number of 1˜30.
    Type: Grant
    Filed: August 21, 2007
    Date of Patent: May 26, 2009
    Assignee: Aekyung Industrial Co., Ltd.
    Inventors: In Sub Baik, In Shik Cho, Gyeong Yup Ghi, Dong Sung Han