14 Utility Patents
#3,209 in Beijing
#8,569 in China
#269,328 in the World
Forward Citations = 0
Company Filing History:
China Petroleum & Chemical Corporation
Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation
Grirem Advanced Materials Co., Ltd.
4. 1 out of 6
Guoke Re Advanced Materials Co., Ltd.
5. 1 out of 7
Grirem Hi-tech Co., Ltd.
where one patent can have more than one assignee
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