Patent · US Expired

Chitosan membrane containing nano-inorganic particles and the method for forming the same

US7094372B1 · kind B1 · utility

3Cited by
16References
30Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 12, 2003
Grant dateAug 22, 2006
Priority date
Expiry dateDec 28, 2023

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08K2201/011
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A chitosan membrane containing nanosize particles is disclosed in this invention. The chitosan membrane comprises a chitosan membrane and nano-inorganic particles. The nano-inorganic particles are uniformly embedded in the chitosan membrane. This invention also discloses a method for forming a chitosan membrane containing nanosize particles. The method comprises a grinding process, a dissolution process, a dispersion process, a blending process, an impurity removing process, a degassing process, a casting process, and a fixation process.

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