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Research Progress of Domestic Heated Tobacco Core Material Preparation Technology
Received:November 24, 2023  
DOI：10.11980/j.issn.0254-508X.2024.03.017
Key Words:heated tobacco  core material  preparation process  pateut portfolio
Fund Project:云南中烟工业有限责任公司科技计划项目（2023YL02）；中烟施伟策（云南）再造烟叶有限公司科技项目（KY23ZL11）。
Author NameAffiliationPostcode
ZHANG Wenjun China Tobacco Schweitzer （Yunnan） Reconstituted Tobacco Co.， Ltd.， Yuxi，Yunnan Province， 653100
Kunming University of Science and Technology， Kunming， Yunnan Province， 650031 		650031
WU Jianlin China Tobacco Schweitzer （Yunnan） Reconstituted Tobacco Co.， Ltd.， Yuxi，Yunnan Province， 653100 653100
CHEN Yuchao China Tobacco Schweitzer （Yunnan） Reconstituted Tobacco Co.， Ltd.， Yuxi，Yunnan Province， 653100 653100
ZHOU Jun China Tobacco Schweitzer （Yunnan） Reconstituted Tobacco Co.， Ltd.， Yuxi，Yunnan Province， 653100 653100
WANG Xiaosheng China Tobacco Schweitzer （Yunnan） Reconstituted Tobacco Co.， Ltd.， Yuxi，Yunnan Province， 653100 653100
FENG Tao China Tobacco Schweitzer （Yunnan） Reconstituted Tobacco Co.， Ltd.， Yuxi，Yunnan Province， 653100 653100
LI Zhongren* China Tobacco Schweitzer （Yunnan） Reconstituted Tobacco Co.， Ltd.， Yuxi，Yunnan Province， 653100
Yunnan China Tobacco Industry Co.， Ltd.， Kunming， Yunnan Province， 650106 		650106
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Abstract:In this paper， according to the type of products， the patents applied by domestic enterprises in recent years on the process technology of heated tobacco core material preparation were counted， analyzed， sorted out and summarized， focusing on the research progress of domestic heated tobacco core material preparation process technology from the perspective of patents. The analysis indicated that the number of patents for the preparation of heated tobacco core material based on four processes including papermaking method， thick pulp method， roller pressing method and dry method， totaled 52 patents， among which the roller pressing method had the largest number， papermaking method and dry method had similar numbers， and thick pulp method had the smallest number， and the applications from the tobacco industry accounted for 92.3%.
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