How many patents does
China Petrochemical Development Corporation have?
patents
300
families
94
granted
132
applications
168
CN
85
US
82
EP
17
JP
10
RoW
106
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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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China Petrochemical Development Corporation
Top ten assignees appearing on patents
2009 - 2018
China Petrochemical Development Corporation
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| titanium-silicalite molecular sieve, method for preparing the same and method for prepar… 🛈 | 9 | 2011 |
| catalyst composition and method for preparing amide | 8 | 2011 |
| method for separating amide from amino acid ionic liquid | 7 | 2009 |
| method for preparing titanium-silicalite molecular sieve and method for preparing cycloh… 🛈 | 7 | 2011 |
| titanium-silicalite molecular sieve, method for preparing the same and method for prepar… 🛈 | 7 | 2011 |
| method and system for preparing caprolactam | 7 | 2015 |
| method for preparing cycloalkanone | 6 | 2008 |
| method for continuously preparing carboxylic acid ester | 6 | 2012 |
| method and catalyst composition comprising an amino acid-ionic liquid and a bronsted aci… 🛈 | 6 | 2009 |
| carbazole derivatives and organic light-emitting diode device using the same | 6 | 2010 |