Intellectual Property

 Intellectual property:

           So far, our company has applied 4 pieces patents, 12 of which obtained the patents certificates, 8 of which is invention patents, 4 of which is utility patents; others are under assessment. Furthermore, there have been 5 invention patents carried out PCT international application.

Patent No.

Patent Name

Type of certificate

200610034602.4

Extraction way for the production of

polyolefin microporous membranes

Invention type patent

200810035889.1

Preparation method for sulphonated modification polyolefin membranes

Invention type patent

200910189917.X

Regulation of microporous polyolefin membrane  forming method and forming method of the lithium  battery diaphragm

Invention type patent

201110260066.0

Composite insulation film and its forming method

Invention type patent

PCT/CN2010/078747

Preparation method of polyolefin microporous membrane with symmetrical structure on top and bottom surfaces  

Invention type patent

PCT/CN2010/078752

Preparation method of polyolefin microporous  membranes  

Invention type patent

PCT/CN2010/078746

Preparation way for polyolefin microporous membranes with even structure

Invention type patent

PCT/CN2010/080314

Preparation and application of polyolefin microporous membranes

Invention type patent

PCT/CN2010/080329

The forming way and application of polyolefin microporous membranes

Invention type patent

200820056690.2

Wash device

Pratical and new patent

200820056688.5

A kind of wash device

Pratical and new patent

200820056689.X

Sectional wash device

Pratical and new  patent