Kongsheng Yang

4 Patents

• US121956952025

  Lubricating Oil Compositions for Improving Low-speed Pre-ignition

  Afton Chemical Corporation

  0 cites
• US119268042024

  Dispersant and Detergent Systems for Improved Motor Oil Performance

  Afton Chemical Corporation

  0 cites
• US116802222023

  Engine Oils with Low Temperature Pumpability

  Afton Chemical Corporation

  0 cites
• US115848972023

  Lubricant Formulations with Silicon-containing Compounds

  Afton Chemical Corporation

  0 cites