Bio-cellulose membrane and method for producing the same
US10307347B2 · kind B2 · utility
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7Claims
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Key dates
| Filing date | Jan 23, 2017 |
| Grant date | Jun 4, 2019 |
| Priority date | — |
| Expiry date | May 18, 2037 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/87
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A bio cellulose membrane with an outstanding water retention capacity and a method for producing the same are provided. The bio cellulose membrane comprises a first surface, a second surface, and a loose layer, wherein the average pore size of the first surface and the average pore size of the second surface are smaller than that of the loose layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.