聚酰亞胺中空纖維國際專利情報(bào)實(shí)證分析
[Abstract]:[objective / significance] through the analysis of patent information on polyimide hollow fiber worldwide, to reveal the development direction of related fields, This paper analyzes the patent information of global polyimide (PI) hollow fiber by using Innography patent retrieval and analysis platform, including patent application trend analysis. Technology application country distribution, technology invention country distribution, patent owner analysis, patent value evaluation, etc. The research focus and patent layout of polyimide (PI) hollow fiber patent application volume (TOP5) are analyzed by using the new analysis function of Innography. The research hotspots of foreign competitors are compared and the reference for domestic research and development is provided. The core patent contents are analyzed and explored. [results / conclusions] the results show that the United States, Japan, Germany, South Korea, France and other countries have strong technical strength in the field of polyimide hollow fibers. Has their own unique core patent content. Although China is the main application and invention country of the technology, it does not have the core patent. At present, the research focus of polyimide hollow fiber is the preparation and application of hollow fiber membrane for gas separation.
【作者單位】: 北京化工大學(xué)圖書館;
【基金】:開灤能源化工股份有限公司項(xiàng)目(H16-20)
【分類號】:G306;G353.1
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