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粉末冶金领域专利申请的检索中,英文非专利检索必不可少。从粉末冶金领域和ELSEVIER数据库的特点出发,结合实际检索案例,探讨了利用ELSEVIER数据库具有网络公开日期的特点获得有效对比文件的方法,以及从中文库入手转向ELSEVIER数据库的检索策略,包括发明人追踪、参考文献追踪以及发明点检索。各个数据库结合使用可提高检索效率,事半功倍。
In the search of patent applications in the field of powder metallurgy, English non-patent search is indispensable. Based on the characteristics of powder metallurgy field and ELSEVIER database, combined with the actual retrieval cases, the methods of using ELSEVIER database with the date of network publication date to obtain effective comparison documents and the retrieval strategy from the Chinese library to the ELSEVIER database are discussed, including inventor tracking, Reference Tracking and Discovery Search. The combination of various databases can improve the search efficiency, with less.