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Hydrogenolysis of 5-carbon sugars, sugar alcohols, and methods of making propylene glycol 发明授权

2023-11-20 2240 1218K 0

专利信息

申请日期 2026-04-24 申请号 US10676497
公开(公告)号 US7038094B2 公开(公告)日 2006-05-02
公开国别 US 申请人省市代码 全国
申请人 Todd A Werpy; John G Frye Jr; Alan H Zacher; Dennis J Miller
简介 Methods and compositions for reactions of hydrogen over a Re-containing catalyst with compositions containing a 5-carbon sugar, sugar alcohol, or lactic acid are described. It has been surprisingly discovered that reaction with hydrogen over a Re-containing multimetallic catalyst resulted in superior conversion and selectivity to desired products such as propylene glycol. A process for the synthesis of PG from lactate or lactic acid is also described.


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