Multifunctional chitosan grafted surfaces and uses thereof
US9950097B2 · kind B2 · utility
0Cited by
5References
20Claims
0Family size
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Key dates
| Filing date | Feb 7, 2012 |
| Grant date | Apr 24, 2018 |
| Priority date | — |
| Expiry date | Jun 4, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C51/002
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The invention relates to a multifunctional chitosan grafted surface. Specifically, the invention relates to a chitosan modified with a quaternary ammonium salt (CH-Q) grafted surface that provides various functional properties, including stability (pH 3-9) and unique pH dependent swelling and antibacterial properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.