Assignee
PUREPATH CHONGQING PETROLEUM ENG CO LTD
CN·1 granted patent·1 pending application·0 citations·filing 2023–2023
Top patents by PatentIndex Score
2 records- 0149US12391886B2Ultrasonic oxidative desulfurization method for gasoline or dieselPUREPATH CHONGQING PETROLEUM ENG CO LTD·Filed 2023·Granted Aug 19, 2025·0 cites·5 claims
- 0245US2024409821A1Method for recycling waste engine oilPUREPATH CHONGQING PETROLEUM ENG CO LTD·Filed 2023·Application pending·0 cites
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