Patent Technology

Patent Technology

Patent for Invention

1. A new purification process of 1,2-propylene glycol
2. A new purification process of propylene glycol of high quality during the production of Dimethyl Carbonate
3. An improved synthesis method of dialkyl carbonate

Patent for Utility Models

1. A device for synthesis of dipropylene glycol and cogeneration of tripropylene glycol
2. A heat utilization device which is used for joint production of dimethyl carbonate and propylene glycol
3. A patented technology of direct propylene hydration to produce isopropyl alcohol
4.Liquefied carbondioxide cold energy utilization during production of dimethly carbonate
5.A process device for production of dipropylene glycol which is produced in the dimethyl carbonate device