中国塑料2025，Vol.39Issue(11)：84-92,9.DOI:10.19491/j.issn.1001-9278.2025.11.014
双向拉伸聚丙烯电容膜专利分析
A patent analysis of BOPP capacitor films
王海 1周文1
作者信息
- 1. 国家知识产权局专利局专利审查协作北京中心,北京 100160
- 折叠
摘要
Abstract
This paper presents a statistical analysis of the research and development landscape for biaxially oriented poly-propylene(BOPP)capacitor films.The study examines the number and trends in patent applications,the overall patent landscape,sources and geographical distribution of technologies,legal statuses,and technology development pathways.The analysis offers insights into the industrial development of BOPP capacitor films,with a specific emphasis on the evo-lution of Toray Industries'patent portfolio and its strategic approaches to patent protection in this field.关键词
双向拉伸聚丙烯/电容膜/专利分析/专利布局/专利保护策略Key words
bidirectionally stretched polypropylene/capacitor film/patent analysis/patent distribution/patent protection strategy分类
化学工程引用本文复制引用
王海,周文..双向拉伸聚丙烯电容膜专利分析[J].中国塑料,2025,39(11):84-92,9.
