tech

Patents granted over the years

By the end of 2011, China petrochemical has accumulated application for patent 23031, among them to apply for a patent overseas accumulated 1787; Accumulated obtain a patent license 11939 pieces, including accumulated gain foreign patent licensing 804 pieces.

Patent application and authorization
Domestic Application
Authorized
Foreign Application
Authorized
In2011 In2010 In2009 In2008 In2007 In2006 In2005
3827 2823 1854 1135 1094 1037 8467
1290 984 756 721 813 824 4906
203 114 135 225 122 61 830
62 72 37 173 62 44 293