S/N

Patent name

Patent number

Date of authorization

category

1

Synthesis of triethylenediamine from piperazine byproducts

02129060.1

2008.4.28

2013.12.31

Invention license

2

Preparation method of 2,2,6, 6-tetramethyl-4-piperidine compounds as intermediates of photostabilizer

01119851.6

2008.4.28

2013.12.31

Invention license

3

The invention relates to an imidazole type ionic liquid gel and a preparation method thereof

201010548317.0

2014.11.28

2019.12.30

Invention license

4

The utility model relates to an exhaust gas absorption device for an acylation reaction

201821356910.3

2019.09.26

Utility model

5

The invention relates to a powder screening system

201721108555.3

2018.11.02

Utility model

6

The invention relates to a nucleating agent crushing system

201721107467.1

2018.5.4

Utility model

7

The invention relates to a nucleating agent mixing system device

201721109198.2

2018.5.4

Utility model

8

The invention relates to a methanol rectification recovery system

201721107499.1

2018.5.4

Utility model

9

The utility model relates to a toluene distillation recovery system

201721109197.8

2018.5.4

Utility model

10

The utility model relates to a vacuum oven organic gas cooling recovery device

201721109190.6

2018.5.4

Utility model

11

The utility model relates to a device for picking up powder materials for storing chemicals

201821017028.6

2019.04.02

Utility model

12

The utility model relates to a waste gas treatment device for chemical tests

201821140247.3

2019.04.09

Utility model

13

The utility model relates to a chemical solution mixing device for mixing evenly

201821089446.6

2019.04.12

Utility model

14

The invention relates to a nucleating agent vacuum drying system

201821355245.6

2019.05.03

Utility model

15

The utility model relates to a nucleating agent solid waste drying device

201821648209.9

2019.05.14

Utility model

16

The invention relates to an acylation reaction system of a nucleating agent

201520757945.8

2016.02.17

Utility model

17

A distillation reaction system

201520760703.9

2016.02.17

Utility model

18

An acylation hydrolysis system for the production of nucleating agents

201520756772.8

2016.02.17

Utility model

19

The utility model relates to a drying workshop vacuum system

201520397960.6

2015.10.21

Utility model

20

The utility model relates to a dimethyl benzaldehyde rectification device

201520399006.0

2015.10.21

Utility model

21

The utility model relates to a solid-liquid separation system

201520397084.7

2015.10.21

Utility model

22

The invention relates to a dimethyl benzaldehyde rectification system

201520397952.1

2015.10.21

Utility model

23

The invention relates to an emulsifying system for nucleating agents

201520398003.5

2015.10.21

Utility model

24

The invention relates to a nucleating agent production line

201520398114.6

2015.10.21

Utility model