18 Utility Patents
#218 in Taoyuan
#5,250 in Taiwan
#195,457 in the World
Forward Citations = 12
Company Filing History:

Chang Chun Petrochemical Co., Ltd.
4. 2 out of 103
Chang Chun Plastics Co., Ltd.
5. 1 out of 32
Dairen Chemical Corporation
where one patent can have more than one assignee
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