| 发明名称 | Method for recovering bitumen from tar sands | ||
| 摘要 | Method for recovering bitumen from tar sands, according to which sands are brought into contact with at least one partially hydrolyzed poly(vinyl acetate) (co)polymer A. | ||
| 申请公布号 | US9469813(B2) | 申请公布日期 | 2016.10.18 |
| 申请号 | US201414228888 | 申请日期 | 2014.03.28 |
| 申请人 | S.P.C.M. SA | 发明人 | Favero Cedrick;Tizzotti Morgan;Gaillard Nicolas |
| 分类号 | C10G1/04;B09B5/00;B09C1/00;C08L29/02;C08L29/04;C08L29/06;C08K5/053 | 主分类号 | C10G1/04 |
| 代理机构 | St. Onge Steward Johnston & Reens, LLC | 代理人 | St. Onge Steward Johnston & Reens, LLC |
| 主权项 | 1. A method for recovering bitumen from tar sands, comprising the steps of: pre-milling said sands; forming a suspension by mixing said sands with water; injecting air into the suspension; and contacting the sands with at least one partially hydrolyzed poly(vinyl acetate) (co)polymer, before and/or during and/or after said step of injecting air. | ||
| 地址 | Andrezieux Boutheon FR | ||