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Analysis of Patents of Lenzing's Lyocell Fiber
Received:August 31, 2021  
DOI：10.11980/j.issn.0254-508X.2022.03.012
Key Words:lyocell  cellulose  NMMO  patent application  technical topic
Author NameAffiliationPostcode
SHI Jianbo Patent Examination Cooperation Center of the Patent Office， CNIPA， Suzhou， Jiangsu Province， 215163 215163
HU Tingting Patent Examination Cooperation Center of the Patent Office， CNIPA， Suzhou， Jiangsu Province， 215163 215163
WANG Meng Patent Examination Cooperation Center of the Patent Office， CNIPA， Suzhou， Jiangsu Province， 215163 215163
YANG Liu Suzhou United Tex Enterprise Ltd， Suzhou， Jiangsu Province， 215021 215021
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Abstract:The industry overview and production process of lyocell fiber were discussed in this paper.Take Lyocell fiber industry giant Austrian Lenzing company's patents as the research goal， a comprehensive search on it was completed. The patent application profile， layout， distribution of technical topics， etc.， were analyzed. On this basis， the suggestions and measures were put forwardfor domestic enterprises to learn.
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