Xiangyun Guo

3 Patents

• US124667972025

  Compound Having Anti-aging and Discoloration Resistance Effects and Preparation Method Therefor

  Sennics Co., Ltd.

  0 cites
• US121729432024

  Polyalkyl P-phenylenediamine Anti-degradants and Intermediates and Preparation Method Thereof

  Sennics Co., Ltd.

  0 cites
• US120373032024

  Method for Preparing Diaryl P-phenylenediamine Compounds

  Sennics Co., Ltd.

  0 cites