BEIJING ZEHUA CHEMICAL ENG CO LTD has a total of 13 patent applications. It increased the IP activity by 150.0%. Its first patent ever was published in 2013. It filed its patents most often in China, United States and EPO (European Patent Office). Its main competitors in its focus markets chemical engineering, organic fine chemistry and environmental technology are FEDOROV VLADIMIR, BEIJING ZEHUA CHEMICAL ENGINEERING CO LTD and JIANGSU HONGLIU CHEMICAL MACHINERY CO LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | China | 7 | |
#2 | United States | 5 | |
#3 | EPO (European Patent Office) | 1 |
# | Industry | |
---|---|---|
#1 | Chemical engineering | |
#2 | Organic fine chemistry | |
#3 | Environmental technology | |
#4 | Basic materials chemistry |
# | Name | Total Patents |
---|---|---|
#1 | Tang Hongping | 13 |
#2 | Xie Runxing | 10 |
#3 | Wang Changzhi | 6 |
#4 | Liu Tieyong | 5 |
#5 | Lv Jiazhuo | 5 |
#6 | Guo Hongchao | 4 |
#7 | Han Qinghua | 1 |
#8 | Ye Xu | 1 |
#9 | Duan Zhoupeng | 1 |
#10 | Ma Qibing | 1 |
Publication | Filing date | Title |
---|---|---|
CN111349064A | Process for rectifying and separating crude phthalic anhydride mixture by using dividing wall tower | |
CN109908632A | Settle tower tray and tower inner assembly | |
CN109663561A | For the Vierendeel girder and tower inner assembly in tower | |
CN108949218A | For separating the next door column rectification system and method for catalytic reforming de-pentane oil | |
CN108434774A | It is a kind of to detach C6 to the device of C9+ BTX aromatics using next door tower | |
CN107497393A | A kind of more trimming curved surface ring random packings | |
CN107551586A | A kind of device using next door tower combination multi-effect distillation production methanol |