Patent · US Expired

Pharmaceutically acceptable starch

US6689389B2 · kind B2 · utility

1Cited by
23References
42Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 5, 2001
Grant dateFeb 10, 2004
Priority date
Expiry dateOct 5, 2021

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/2991
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Production of purified, parenterally administrable starch by washing starch containing more than 85% amylopectin in order to remove surface-localized proteins, lipids and endotoxins, dissolving the starch in aqueous medium, molecular weight reduction by shearing, and optionally removal of residual water-soluble proteins, preferably by anion exchange chromatography.Purified starch and microparticles based on such starch.

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