专利检索 ap:("Keith L. Levien" OR "Jeffrey J. Morrell" OR "Satish Kumar" OR "Endalkachew Sahle-Demessie") AND inv:"Keith L. Levien" 第 1 页

1.

发明授权
Process for removing chemical preservatives from wood using supercritical fluid extraction 失效
标题翻译：使用超临界流体萃取从木材中除去化学防腐剂的方法

公开(公告)号：US5364475A

公开(公告)日：1994-11-15

申请号：US100647

申请日：1993-07-30

申请人： Keith L. Levien , Jeffrey J. Morrell , Satish Kumar , Endalkachew Sahle-Demessie

发明人： Keith L. Levien , Jeffrey J. Morrell , Satish Kumar , Endalkachew Sahle-Demessie

IPC分类号： A62D3/00 , B01D11/02 , B27K5/00 , D21C1/00 , B08B7/00 , B08B3/14 , D21B1/02

CPC分类号： D21C1/00 , B01D11/0203

摘要： The process of the present invention is directed to the remediation of wood that has been treated with a preservative, such as pentachlorophenol or other non-ionic organic biocides, using supercritical fluids, with or without the addition of modifiers.

摘要翻译： 本发明的方法涉及使用超临界流体，在添加或不添加改性剂的情况下用防腐剂如五氯苯酚或其它非离子有机杀生物剂处理的木材的修复。