| Patent |
Publication Number |
Publication Date |
| A new thickeners with backwash |
ZL200620147116.9 |
2007-12-05 |
| A refining process of solvent in production of synthetic rubber |
ZL200610032073.4 |
2008-01-23 |
| Multi-stacker reclaimer |
ZL201020553466.1 |
2011-05-25 |
| Process method of recycling wastewater of oxidative dehydrogenation of butene to butadiene |
ZL201110096046.4 |
2013-04-24 |
| A method for separation and purification of propylene oxide and methanol |
ZL201010592724.1 |
2013-06-12 |
| A refining process of extractant recovery in the production of caprolactam |
ZL201110276562.5 |
2013-08-14 |
| A method to product butadiene and isoprene using mixed C4 |
ZL201320123523.6 |
2013-08-14 |
| A device for ion exchange resins |
ZL201320123521.7 |
2013-08-14 |
| A climbing film evaporator with rotating-stream tray(RST) |
ZL201320172678.9 |
2013-09-11 |
| A recovery crystallizer of adipic acid |
ZL201320342383.1 |
2014-01-01 |
| A device for waste liquid evaporation concentration in caprolactam unit |
ZL201320559212.4 |
2014-03-19 |
| A combined mechanical vapor recompression and multi-effect evaporation device for caprolactam aqueous concentration |
ZL201320559231.7 |
2014-03-19 |
| A process method to treat gas producted from oxidative dehydrogenation of butene to butadiene |
ZL201210352538.X |
2014-04-16 |
| A device of improving the yields of alcohol and ketone component during the refined process of cyclohexanone |
ZL201420000380.4 |
2014-07-16 |
| A extraction method of ketone wastewater treatment in cyclohexanone ammoximation device |
ZL201310206855.5 |
2014-08-20 |
| A ketone oxime method |
ZL201310150573.8 |
2014-08-20 |
| A device of cyclohexanol separation in cyclohexanone production process using cyclohexene |
ZL201420371077.5 |
2014-12-03 |
| A cyclohexanol distillation method |
ZL201310268531.4 |
2015-02-11 |
| A cryogenic separation device of MTO reaction gas |
ZL201420613878.8 |
2015-02-11 |
| A waste water recycling method during production process of butadiene by Butene oxidative dehydrogenation |
ZL201210325662.7 |
2015-02-11 |
| A device for peroxide in hydrogen peroxide production by anthraquinone |
ZL201420701371.8 |
2015-04-22 |
| A solvent refining unit in the production of synthetic rubber |
ZL201520056030.4 |
2015-08-05 |
| A refining device of reducing impurities in caprolactam production |
ZL201520055807.5 |
2015-08-05 |
| A device using dividing wall column to separate benzene or cyclohexene |
ZL201520083281.1 |
2015-08-05 |
| A climbing film evaporator with rotating-stream tray(RST) |
ZL201310120126.8 |
2015-08-05 |
| A tail gas recovery device of styrene block copolymer hydrogenation |
ZL201520504476.9 |
2015-10-15 |
