摘要
在Derwent Innovation Index(DII)专利数据库和中国专利数据库中对在国内外申请公开的利用纤维素生产乙醇的专利进行了检索,对专利权机构、专利内容、专利转化等方面进行了综述分析。通过分析发现,在DII中共有140多件专利族与纤维素乙醇相关,在中国专利库中有20多件相关专利。美国、日本、中国、澳大利亚、加拿大、巴西等国家是主要的纤维素乙醇专利公开国,在美国公开的基本专利数超过了其他5个国的总和。国外申请人多是国际著名的生物技术企业,国内申请人多数是研究所和大学。目前,其中一些专利已经应用在不同国家的纤维素乙醇商业化生产项目。
The patents related to cellulosic ethanol have been retrieved in Derwent Innovation Index （DII） and Chinese Patent databases, and the assignees, the content and the transfer of these patents are summarized and analyzed in this paper. There are about 140 patents in DII and about 20 patents in Chinese Patent databases related to cellulosic ethanol, and the application and publication of them are mainly in the United States, Japan, China, Australia, Canada and Brazil, and the patent amount in US is beyond that in the other five countries. The most of assignees in DII are incorporations of biotechnology and universities,while the Chinese assignees are universities and institutes. Currently some of these patents have been used in the commercial plants in different countries.
出处
《现代化工》
EI
CAS
CSCD
北大核心
2008年第5期11-16,共6页
Modern Chemical Industry
关键词
纤维素
燃料乙醇
专利
cellulose
fuel ethanol
patent
