Biopolymers obtained by solid state irradiation in an unsaturated gaseous atmosphere
US6841644B2 · kind B2 · utility
2Cited by
3References
34Claims
0Family size
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Key dates
| Filing date | Mar 28, 2003 |
| Grant date | Jan 11, 2005 |
| Priority date | — |
| Expiry date | Jun 16, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S530/842
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Disclosed are modified naturally occurring biocompatible biopolymers of plant and animal origin made by subjecting same to ionizing radiation in the presence of a mediating gas, typically acetylene to enable one to selectively enhance and modify one or more of the physiochemical properties of the starting materials which have a wide range of uses in medicine, food technology and other industrial applications. Notwithstanding the modifications, the biocompatibility of the biopolymer remains unchanged and no new or additional functional groups are introduced into the starting biopolymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.