How many patents does
Chang Chun Petrochemical Company have?
patents
296
families
79
granted
119
applications
177
CN
52
US
42
JP
37
KR
36
EP
5
RoW
124
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The report contains ten-year analysis with the following sections
- patent filing analysis
- worldwide filing analysis
- patent family analysis
- application analysis
- granted analysis
- classification analysis
- citation analysis
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Chang Chun Petrochemical Company
Top ten assignees appearing on patents
Chang Chun Petrochemical Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| electrolytic copper foil and method for producing the same | 12 | 2013 |
| electrolytic copper foil, cleaning fluid composition and method for cleaning copper foil | 12 | 2013 |
| electrodeposited copper foil | 10 | 2014 |
| polyvinyl alcohol and purification method thereof | 9 | 2015 |
| electrolytic copper foil | 9 | 2013 |
| copper foil exhibiting anti-swelling properties | 9 | 2015 |
| copper foil and methods of use | 9 | 2016 |
| heat-dissipating copper foil and graphene composite | 9 | 2015 |
| surface-treated electrolytic copper foil and method for wireless charging of flexible pr… 🛈 | 8 | 2016 |
| surface-treated copper foil | 8 | 2016 |