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29¡¢Device for produce dimethyl carbonate by ester exchange method£¨ZL202321081817.7£©
[2023/12/2]
28¡¢Partition wall rectification device for separating dimethyl carbonate£¨ZL202321080182.9£©
[2023/12/2]
27¡¢Device for producing electronic-grade cyclic carbonate£¨ZL202321080143.9£©
[2023/12/2]
26¡¢Heating rectification device for producing polyester-grade ethylene glycol by ester exchange method£¨ZL202320082685.3£©
[2023/11/20]
25¡¢Falling film evaporator for cyclic carbonate separation£¨ZL202320094066.6£©
[2023/11/20]
24¡¢Refining and purifying device for continuously producing electronic-grade methyl ethyl carbonate£¨ZL202120144804.4£©
[2023/11/20]
23¡¢Device for separate and controlling mix carbonate in co-production of methyl ethyl carbonate and diethyl carbonate£¨ZL202120144629.9£©
[2023/11/20]
22¡¢Residual liquid recovery system for ethylene carbonate device£¨ZL202120144628.4£©
[2023/11/20]
21¡¢Separation device of ionic liquid catalyst for producing methyl ethyl carbonate £¨ZL202020239744.X£©
[2021/6/9]
19¡¢Production device for refining pharmaceutical grade 1,2 propylene glycol from industrial grade 1,2 propylene glycol£¨ZL202020239791.4£©
[2020/10/18]
18¡¢Separation device for polyester alcohol products in dimethyl carbonate production by ester exchange method£¨ZL201922073896.7£©
[2020/10/18]
17¡¢Ionic liquid catalyst synthesizing device for producing dimethyl carbonate by ester exchange method£¨ZL201922073897.1£©
[2020/10/18]
16¡¢Ionic liquid catalyst separation device for producing dimethyl carbonate by ester exchange method£¨ZL201922073892.9£©
[2020/10/18]
15. A separation control device for a catalyst for co-production of methyl ethyl carbonate and diethyl carbonate £¨ZL201920396867.1£©
[2019/7/28]
14. A joint production device of dimethyl carbonate and methyl ethyl carbonate £¨ZL201920188854.5 £©
[2019/7/28]
Sum32Article15Each/Page
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Copyright£ºCopyright©2009-2018 Tangshan Haoyu Science and Technology Development Co., Ltd. All Rights Reserved.
address£ºNo. 905-1, 3rd floor, Junxinli Central Plaza, North District of Tangshan Road, Hebei Province
Record No.£º
Ji ICP 14012089-1
Telephone£º13903150875