怎么通过PCT申请号检索专利

http://worldwide.espacenet.com/advancedSearch?locale=cn_CN

用这个网站，如果你能查到第一个，你看看是否可以通过同族专利的方式找到你需要的专利文件？

谢谢啦！

去WIPO网站，http://patentscope.wipo.int/search/en/search.jsf

直接输入PCT/EP/2013/068878检索，就得到你要的结果了，

WO/2014/041052 - CONTINUOUS METHOD FOR PRODUCING ORTHO-SUBSTITUTED ANILINES IN A FLOW REACTOR

PCT/EP2013/068878

The invention relates to a continuous method for producing ortho-substituted anilines in a flow reactor and a multi-step method for producing N-alkyl-N-[2-(1,3,5-triazin-2-ylcarbonyl)phenyl]alkanesulfonamides. The invention further relates to a continuous method for producing ortho-substituted anilines of formula (4) in a flow reactor in the presence of a nitrogen base that has no NH group, and a multi-step method for producing herbicidal N-alkyl-N-[2-(1,3,5-triazin-2-ylcarbonyl)phenyl]alkanesulfonamides of formula (4-1), wherein the continuous method for producing ortho-substituted anilines of formula (4) in a flow reactor forms the first step of the multi-step method for producing the herbicidal active ingredients of formula (4-1).

不建议使用 申请号 进行查询， 一般公开号在各个检索系统都是统一格式。