CN

Chunge Niu

PL Petrochina Company Limited: 2 patents #138 of 890Top 20%
Overall (All Time): #1,509,238 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9493399 Multi-branched mannich base corrosion inhibitor and preparation method thereof Ling Ma, Lei Li, Xiangjun Kong, Malike Dilibai, Xinping Zhen +1 more 2016-11-15
9399735 Mannich-base inhibitor for decalcification, preparation method and application thereof Ling Ma, Lei Li, Xinping Zhen, Zhongting Ma, Xiangjun Kong +1 more 2016-07-26
7455763 Recycling process for demetalization of hydrocarbon oil Lailong Luo, Shuyan Yu, Zhongting Ma, Xiangsheng Meng, Bo Ouyang +1 more 2008-11-25