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.
出处
《日用化学品科学》
CAS
2014年第9期31-35,共5页
Detergent & Cosmetics
关键词
三氧化硫
磺化
专利
中国
sulfur trioxide
sulfonation
oatent
China
