11 Utility Patents
#28 in Yantai
#11,600 in China
#364,306 in the World
Forward Citations = 12
Company Filing History:
Wanhua Chemical Group Co., Ltd.
Ningbo Wanhua Polyurethanes Co., Ltd.
Wanhua Chemical (ningbo) Co., Ltd.
4. 1 out of 1
Wanhua Industrial Group Co., Ltd.
5. 1 out of 86
Beijing University of Chemical Tehcnology
where one patent can have more than one assignee
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