Patent · US Expired

Heterofunctional polyethylene glycol and polyethylene oxide, process for their manufacture

US7009033B2 · kind B2 · utility

7Cited by
3References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 2, 2001
Grant dateMar 7, 2006
Priority date—
Expiry dateApr 27, 2023

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L2203/02
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Heterofunctional polyethylene glycol or polyethylene oxide, represented by one of the following formula (I) to (IV): wherein:

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.