摘要
采用专利地图等方法对1985年以来的母料行业中国发明专利进行了分析。从发明专利的申请趋势看,虽然有波折,但总体是上升的。分析结果表明,国内发达地区的企业是专利申请的主体,但专利集聚度较低;专利技术主要集中于功能母料、色母料及填充母料的配方技术和配料工艺。
The invention patents on master batch,applied in China since 1985,were analyzed with the method of patent map and other relevant methods.From the viewpoint of patents application trend,though there was twists and turns,it went up totally.The analysis results indicated the application volume from the advanced districts in China was prevailing,but the aggregation index was low.The patents focused on the composition formulas and processes of compounding of the functional master batch,color master batch,and filler master batch.
出处
《工程塑料应用》
CAS
CSCD
北大核心
2011年第12期97-100,共4页
Engineering Plastics Application
关键词
母料
专利分析
专利地图
master batch
analysis on patent
patent map
