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CP Chinese Petroleum: 1 patents #3 of 19Top 20%
Overall (2002): #81,598 of 266,432Top 35%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6458292 Composition of an anti-scale-forming agent Jiang-Jen Lin, Jann-Chen Lin, Wen-Shwong Hwang, Kun-Hai Lin 2002-10-01