Material comprising polyazacycloalkanes, grafted on polypropylene fibres, its process of preparation, and process for removing metal cations from a liquid
US8841384B2 · kind B2 · utility
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9References
23Claims
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Key dates
| Filing date | Jan 14, 2008 |
| Grant date | Sep 23, 2014 |
| Priority date | — |
| Expiry date | Nov 15, 2030 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06M14/28
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Material composed of a polyazacycloalkane grafted on polypropylene fibres.Process for the preparation of this material.Process for removing metal cations present in a liquid by bringing this liquid into contact with the said material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.