Serial number

Types of

Patent No

patent name

Legal status

Authorization day

1

invention

2008101551294

Method for synthesizing NaA molecular sieve membrane

Authorization

2010/12/1

2

invention

2009102350206

Method for repairing intergranular pores of molecular sieve membrane

Authorization

2012/8/29

3

invention

2010106099489

Waste isopropyl alcohol solvent recovery process for cephalosporin antibiotic production

Authorization

2014/4/9

4

invention

2011100483357

Device and method for synthesizing molecular sieve membrane

Authorization

2013/9/4

5

invention

201210442399X

A n-propanol refining process

Authorization

2014/7/4

6

invention

2013100067505

Method for preparing inner membrane of NaA molecular sieve membrane element

Authorization

2014/7/23

7

invention

2013100248163

Rectification-vapor osmosis coupling organic solvent dehydration method and device

Authorization

2015/4/22

8

invention

2013101198903

Process and device for purifying acetonitrile by pervaporation method

Authorization

2015/4/22

9

Utility model

201320510220X

Pervaporation membrane performance detecting device

Authorization

2014/1/16

10

invention

2013103640541

Process and device for improving yield of isopropanol by hydrogenation of acetone

Authorization

2015/6/17

11

invention

2013103632795

Process for recovering tetrahydrofuran by pervaporation method

Authorization

2015/6/17

12

Utility model

2013208519050

Device for recovering butanone by pervaporation method

Authorization

2014/4/15

13

invention

2013107140287

Process and device for recovering butanone by pervaporation method

Authorization

2015/9/2

14

invention

2013107149493

Process and device for purifying ethylene glycol dimethyl ether by pervaporation method 

Authorization

2015/9/2

15

Utility model

2013208610444

Tubular membrane module

Authorization

2014/4/24

16

invention

2013107379936

Pervaporation system and process for purifying bio-n-butanol      

Authorization

2016/4/27

17

invention

2014102901661

Method for recovering ethanol in production of Analgin

Authorization

2016/2/24

18

invention

2014102911907

Method for recycling ethanol in the production of methyl ethyl sulfonyl phenylserine

Authorization

2016/4/27

19

Utility model

2014203484187

Recovery device for producing waste acetone dehydrating agent from seaweed fiber

Authorization

2014/11/26

20

invention

2014102955464

Process and device for recovering waste acetone dehydrating agent from seaweed fiber

Authorization

2015/10/14

twenty one

Utility model

2014204645148

Refining device for ammoniating acetic acid to synthesize acetonitrile

Authorization

2014/12/31

twenty two

invention

2014104049888

Method and device for refining acetonitrile for ammoniation of acetic acid

Authorization

2017/1/18

twenty three

Utility model

2014205470761

Production device of biomass anhydrous ethanol

Authorization

2014/12/31

twenty four

Utility model

2014205470102

Tubular membrane sealing structure

Authorization

2014/12/31

25

Utility model

2014205466713

Rectification-vapor osmosis coupling device for producing diethyl maleate

Authorization

2015/3/18

26

invention

2014104875939

Method and device for producing diethyl ether maleate by rectification-vapor osmosis coupling

Authorization

2015/11/18

27

invention

2014104869177

Method and device for producing biomass anhydrous ethanol

Authorization

2016/6/29

28

Utility model

201420844354X

Membrane module for tubular membrane for inner wall coating separation layer

Authorization

2015/6/17

29

Utility model

2014208443709

Refining device for esterification synthesis of n-propyl acetate

Authorization

2015/6/17

30

Exterior

2014305545937

Pervaporation membrane test device (I)

Authorization

2015/7/15

31

Exterior

2014305546658

Pervaporation membrane test device (II)

Authorization

2015/7/15

32

invention

2014108277686

Purification method and device for esterification synthesis of n-propyl acetate

Authorization

2016/11/23

33

Utility model

2015204010638

Recovery and refining device for acetonitrile in synthesis of ceftriaxone sodium

Authorization

2015/10/28

34

Utility model

2015204035993

Ethyl hexanoate synthesis device coupled with steam osmosis dehydration

Authorization

2015/11/11

35

Utility model

2015204020818

Device for synthesizing diethyl oxalate by steam osmosis dehydration process

Authorization

2015/11/11

36

Utility model

2015204030472

Device for reacting rectification-vapor permeable membrane coupling to produce ethyl formate

Authorization

2015/11/18

37

invention

2015103210449

Method and device for recovering and purifying acetonitrile in ceftriaxone sodium synthesis

Authorization

2017/7/14

38

Utility model

2015205316903

Preparation device of NaA molecular sieve membrane

Authorization

12/23/2015

39

invention

2015104299869

Method and device for preparing NaA molecular sieve membrane

Authorization

2017/7/14

40

invention

2015104309254

Method for preparing molecular sieve membrane support

Authorization

2017/11/7

41

Utility model

2015208676489

Device for recovering ethanol in production of hexanitrobibenzyl

Authorization

2016/3/23

42

Utility model

2015208679947

Tubular membrane sealing structure

Authorization

2016/6/29

43

invention

2015107379780

Method and device for recovering ethanol in hexanitrobibenzyl production

Authorization

2017/8/25

44

Utility model

2015211203438

Double-membrane brine refining device for perhalogenation alkali

Authorization

2016/6/29

45

invention

2015110117393

Double-membrane brine refining process and device for perhalogenation alkali

Authorization

2018/2/9

46

Utility model

2015211378235

Shell and tube membrane module

Authorization

2016/6/15

47

Utility model

2015211325558

Device for producing high purity ethanol

Authorization

2016/6/29

48

Utility model

2015211298781

Refining device for esterification synthesis of ethyl acetate

Authorization

2016/6/29

49

invention

2015110239564

Purification method and device for esterification synthesis of ethyl acetate

Authorization

2017/8/25

50

invention

2015110267441

Process and device for producing high-purity ethanol

Authorization

2017/12/26

51

Utility model

2016209402620

Refining device for dehydrating and dehydrating ethyl acetate waste liquid in packaging printing industry

Authorization

2017/3/22

52

Utility model

201620940264X

Device for recovering pyridine by rectification-vapor osmosis coupling method

Authorization

2017/3/22

53

Utility model

201620941500X

Device for producing methyl ethyl ketone by gas phase dehydrogenation of sec-butanol

Authorization

2017/3/22

54

invention

201610722685X

Process and device for recovering pyridine by rectification-vapor osmosis coupling method

Authorization

2018/8/3

55

Utility model

2016209426790

Preparation device of molecular sieve membrane

Authorization

2017/3/22

56

Utility model

2016209403996

Device for synthesizing ethyl lactate by steam osmosis dehydration technology

Authorization

2017/3/22

57

Utility model

2016209403962

Potassium tert-butoxide production device

Authorization

2017/3/22

58

invention

2016107238166

Method and device for preparing molecular sieve membrane

Authorization

2019/4/5

59

Utility model

2016212222197

Vitamin B2 wastewater resource comprehensive treatment device

Authorization

2017/5/31

60

Utility model

2016212452555

Device for synthesizing triethyl citrate by steam osmosis dehydration technology

Authorization

2017/6/27

61

Utility model

2016212603339

Tubular membrane module sealing structure, membrane assembly

Authorization

2017/7/14

62

Utility model

2017210739466

Tubular membrane module

Authorization

2018/5/25

63

Utility model

2017211847805

Recycling device for fusel oil and production device for coal to methanol

Authorization

2018/8/9

64

Utility model

2017211854419

Oligosaccharide purification device

Authorization

2018/7/17

65

Utility model

2017214011602

Extrusion die for ceramic support

Authorization

2018/5/11

66

Utility model

2017217781479

 Ethanol production device

Authorization

2019/2/15

67

Utility model

2017217869418

Device for preparing molecular sieve membrane

Authorization

2018/8/7

68

Utility model

2018213487137

Integrated filter for drinking water purifier

Authorization

2019/3/11