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公开(公告)号:US10767109B2
公开(公告)日:2020-09-08
申请号:US15549844
申请日:2016-02-02
发明人: Tadayuki Isaji , Naoki Otani , Masahiro Ueda , Takayoshi Kawasaki
IPC分类号: C09K11/65 , C09K11/08 , C01B32/184
摘要: Provided is a method for manufacturing a carbonaceous luminescent material in which a polycarboxylic-acid-containing starting material, an acid catalyst, and a solvent are mixed together and heated.
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公开(公告)号:US11066599B2
公开(公告)日:2021-07-20
申请号:US16072579
申请日:2017-01-25
IPC分类号: C09K11/65 , C01B32/184
摘要: Provided is a production method for a carbon-based light-emitting material that generates light having a wavelength of 500 to 700 nm when exposed to excitation light having a wavelength of 300 to 600 nm. The production method comprises a step for mixing and heating a starting material containing ascorbic acid, an acid catalyst containing an inorganic acid, and a solvent.
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公开(公告)号:US11041120B2
公开(公告)日:2021-06-22
申请号:US16573801
申请日:2019-09-17
发明人: Tadayuki Isaji , Naoki Otani , Masahiro Ueda , Takayoshi Kawasaki
IPC分类号: C09K11/65 , C09K11/08 , C01B32/184
摘要: Provided is a method for manufacturing a carbonaceous luminescent material in which a polycarboxylic-acid-containing starting material, an acid catalyst, and a solvent are mixed together and heated.
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