Chitosan membrane containing nano-inorganic particles and the method for forming the same
US7094372B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 12, 2003 |
| Grant date | Aug 22, 2006 |
| Priority date | — |
| Expiry date | Dec 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.