三氧化硫磺化技术相关中国专利申请状况分析  

Analysis on SO_3 sulfonation technology information in Chinese patent

作　　者：李欣[1] 艾变开[1] 

机构地区：[1]国家知识产权局专利局专利审查协作北京中心,北京100190

出　　处：《日用化学品科学》2014年第9期31-35,共5页Detergent & Cosmetics

摘　　要：以三氧化硫磺化技术相关中国专利申请数据作为分析样本,对相关中国专利申请的趋势、类型分布、主题分布、技术领域分布以及申请人分布等总体状况进行分析,同时对中外典型公司申请人进行了对比分析。Based on the data of China patent on sulfur trioxide sulfonation technology, application trends, distribution types, topics, technical fields and applicants of related China patent were analyzed, and the comparison analysis of typical company applicants in China with their international counterpart was carried out.

关 键 词：三氧化硫 磺化 专利 中国 

分 类 号：TQ423[化学工程]