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Preparing egg shell-type catalyst useful in resin hydrogenation, comprises e.g. dissolving precious metal precursor-inducing agent in polyol, adding noble metal salt, aging precious metal precursor polyol solution and adding inducing agent. 专利
申请日期: 2015-01-01, 公开日期: 2015-10-07
作者:  LI C JIN S LIANG C WANG L ZHANG M
收藏  |  浏览/下载:15/0  |  提交时间:2019/12/09
Preparing green amifostine trihydrate involves using water solution, N-methyl-1,3-diamine, hydrogen acid salt and thio sodium phosphate, accelerating agent, and low carbon alcohol or polyol, and directly filtering to obtain crude product. 专利
申请日期: 2014-01-01, 公开日期: 2014-01-15
作者:  CHU Y BI W DONG S BU B JIA P LI Z
收藏  |  浏览/下载:8/0  |  提交时间:2019/12/11
Flame retardant heat-resistant polyurethane resin aqueous emulsion used for coating, adhesive and ink comprises heterocyclic polyol A, flame retardant polyol, polyisocyanate and heterocyclic polyurethane polyol B as crosslinking agent. 专利
申请日期: 2013-01-01, 公开日期: 2013-08-14
作者:  ZHU X WU H
收藏  |  浏览/下载:8/0  |  提交时间:2019/12/13
Polyurethane foam plastic for e.g. industrial structural material and high grade building material comprises residue obtained from reaction of heterocyclic polyol and polyisocyanate, and flame retardant or flame retardant polyol. 专利
申请日期: 2013-01-01, 公开日期: 2013-08-14
作者:  JING J ZHU X
收藏  |  浏览/下载:5/0  |  提交时间:2019/12/13
AKTIVER OPTISCHER DETEKTOR 专利
专利号: DE69815132D1, 申请日期: 2003-07-03, 公开日期: 2003-07-03
作者:  LACOT ERIC;  STOECKEL FREDERIC
收藏  |  浏览/下载:7/0  |  提交时间:2019/12/26


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