Interconnected microcellular material made of industrial lignin and method for preparing same
US9290633B2 · kind B2 · utility
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2References
23Claims
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Key dates
| Filing date | Sep 27, 2012 |
| Grant date | Mar 22, 2016 |
| Priority date | — |
| Expiry date | Dec 26, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2397/00
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An interconnected microcellular material, a method for preparing said material using low-value waste from the paper industry, such as industrial lignin, and the use thereof for the production of items such as catalysts, filters or absorbent elements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.