Issued Patents All Time
Showing 26–50 of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11111200 | Method for preparing acrylic acid and methyl acrylate | Lei Shi, Zongmin LIU, Youming In, Wenliang Zhu, Hongchao Liu | 2021-09-07 |
| 11014076 | Catalyst for synthesizing aromatic hydrocarbons and preparation method therefor | Youming Ni, Wenliang Zhu, Zhongmin Liu, Zhiyang Chen, Hongchao Liu +2 more | 2021-05-25 |
| 10927051 | Method for preparing aromatic hydrocarbons | Youming Ni, Wenliang Zhu, Zhongmin Liu, Zhiyang Chen, Hongchao Liu +2 more | 2021-02-23 |
| 10919832 | Method for preparing low-grade unsaturated fatty acid ester | Zhanling Ma, Wenliang Zhu, Xiangang Ma, Hongchao Liu, Youming Ni +3 more | 2021-02-16 |
| 10815162 | Method for directly preparing aromatics from syngas | Youming Ni, Wenliang Zhu, Zhongmin Liu, Zhiyang Chen, Hongchao Liu +2 more | 2020-10-27 |
| 10532969 | Method for directly preparing glycol dimethyl ether and co-producing ethylene glycol from ethylene glycol monomethyl ether | Lei Shi, Youming Ni, Wenliang Zhu, Hongchao Liu, Zhongmin Liu | 2020-01-14 |
| 10508073 | Method for preparing acetal carbonyl compound | Youming Ni, Wenliang Zhu, Hongchao Liu, Zhongmin Liu, Miao Yang +1 more | 2019-12-17 |
| 10370318 | Method for preparing acetic acid by carbonylation of methanol | Youming Ni, Wenliang Zhu, Lei Shi, Hongchao Liu, Zhongmin Liu | 2019-08-06 |
| 10315973 | Method for preparing ethylene glycol by hydrolysing ethylene glycol monomethyl ether | Youming Ni, Wenliang Zhu, Hongchao Liu, Lei Shi, Zhongmin Liu | 2019-06-11 |
| 10287233 | Methyl acetate preparation method | Hongchao Liu, Wenliang Zhu, Youming Ni, Zhongmin Liu, Linying WANG +1 more | 2019-05-14 |
| 10087135 | Lower fatty carboxylic acid alkyl ester production method | Hongchao Liu, Wenliang Zhu, Youming Ni, Zhongmin Liu, Linying WANG +1 more | 2018-10-02 |
| 10059649 | Method for producing ethanol and coproducing methanol | Wenliang Zhu, Hongchao Liu, Youming Ni, Zhongmin Liu, Shuanghe Meng +3 more | 2018-08-28 |
| 10040739 | Method for preparing double-sealed-end glycol ether | Youming Ni, Wenliang Zhu, Hongchao Liu, Zhongmin Liu, Lina Li +2 more | 2018-08-07 |
| 9944588 | Method for preparing methyl formate | Youming Ni, Wenliang Zhu, Hongchao Liu, Zhongmin Liu, Lina Li +2 more | 2018-04-17 |
| 9938227 | Method for preparing methyl formate and coproducing dimethyl ether | Youming Ni, Wenliang Zhu, Hongchao Liu, Zhongmin Liu, Lina Li +2 more | 2018-04-10 |
| 9771314 | Process for preparing acrylic acid from formaldehyde and acetic acid | Marco Hartmann, Lukas SCHULZ, Nicolai Tonio Woerz, Till Christian Brueggemann, Michael Lejkowski +1 more | 2017-09-26 |
| 9738583 | Process for preparing acrylic acid | Marco Hartmann, Lukas SCHULZ, Nicolai Tonio Woerz, Till Christian Brueggemann, Michael Lejkowski +1 more | 2017-08-22 |
| 9708240 | Method for preparing polyoxymethylene dimethyl ether carbonyl compound and methyl methoxyacetate | Youming Ni, Wenliang Zhu, Hongchao Liu, Zhongmin Liu, Shuanghe Meng +3 more | 2017-07-18 |
| 9695099 | Process for preparing acrylic acid | Martin Dieterle, Nicolai Tonio Woerz, Andrei-Nicolae Parvulescu, Michael Lejkowski, Johannes Lieberknecht +2 more | 2017-07-04 |
| 9540305 | Process for preparing acrylic acid using an alkali metal-free and alkaline earth metal-free zeolitic material | Andrei-Nicolae Parvulescu, Armin LANGE DE OLIVEIRA, Stephan Schunk, Nicolai Tonio Woerz, Marco Hartmann +3 more | 2017-01-10 |
| 9446390 | Process for preparing acrylic acid using an aluminum-free zeolitic material | Andrei-Nicolae Parvulescu, Armin LANGE DE OLIVEIRA, Michael Lejkowski, Nicolai Tonio Woerz, Marco Hartmann +4 more | 2016-09-20 |
| 9440226 | Method for preparing methyl acetate | Youming Ni, Wenliang Zhu, Hongchao Liu, Zhongmin Liu, Shuanghe Meng +3 more | 2016-09-13 |
| 9150301 | Collapsible wing assembly | Hian Beng Kek | 2015-10-06 |
| 6630664 | Atmospheric pressure photoionizer for mass spectrometry | Jack A. Syage, Karl A. Hanold, Matthew D. Evans | 2003-10-07 |
| 5326659 | Method for making masks | Avideh Zakhor, Andrew Neureuther | 1994-07-05 |