Patents Assigned to NH CHEMICALS
  • Catalyst for alkylation of polyalkylene glycol and alkylation method using the same
    Patent number: 10427136
    Abstract: This invention relates to a catalyst for alkylating polyalkylene glycol and a method of alkylating polyalkylene glycol using the same, wherein the catalyst enables polyalkylene glycol to be alkylated at a high conversion rate without generating harmful materials and the terminal of polyalkylene glycol can be alkylated using the same. Thereby, the terminal of polyalkylene glycol can be alkylated in an environmentally friendly and economical manner through a simple process.
    Type: Grant
    Filed: May 25, 2016
    Date of Patent: October 1, 2019
    Assignee: NH CHEMICALS
    Inventors: Eun Ho Lee, Bongseong Go, Taedong Kim