发明名称 |
Process and plant to extract and concentrate tannins from wood and from other natural products |
摘要 |
Process and a plant to extract and concentrate tannins from wood and from other solid natural products containing it characterized in that the solid products are subjected to an extraction ( 1 ) by percolation with water and/or steam and the thus obtained tannin solution is subjected to nanofiltration ( 5 ).
|
申请公布号 |
US7145031(B1) |
申请公布日期 |
2006.12.05 |
申请号 |
US20000530246 |
申请日期 |
2000.04.26 |
申请人 |
PRORAS S.R.L |
发明人 |
ARCANGELI, LEGAL REPRESENTATIVE ADRIANA;MATTURRO GIACOMO;DANESI PAOLO;FESTUCCIA ANDREA |
分类号 |
C07C69/88;B01D11/02;B01D61/02;B01D61/14;B01D63/10;C07G99/00 |
主分类号 |
C07C69/88 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|