Invention Grant
US2654786A Polyethylene glycols from etherestes of glycolic acid 失效
来自乙醇酸的聚乙二醇

  • Patent Title: Polyethylene glycols from etherestes of glycolic acid
  • Patent Title (中): 来自乙醇酸的聚乙二醇
  • Application No.: US13193949
    Application Date: 1949-12-08
  • Publication No.: US2654786A
    Publication Date: 1953-10-06
  • Inventor: GRESHAM WILLIAM F
  • Applicant: DU PONT
  • Assignee: Du Pont
  • Current Assignee: Du Pont
  • Priority: US13193949 1949-12-08
  • Main IPC: C07C43/11
  • IPC: C07C43/11
Polyethylene glycols from etherestes of glycolic acid
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