9 Utility Patents
#4,835 in Beijing
#14,525 in China
#457,599 in the World
Forward Citations = 24
Company Filing History:
Grirem Advanced Materials Co., Ltd.
Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation
China Petroleum & Chemical Corporation
4. 1 out of 1
China Petrochemical & Chemical Corporation
where one patent can have more than one assignee
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