Li Zhen

5 Patents

• US124105412025

  Chitin-containing Polyester Filament and Preparation Method Thereof

  BYHERB FUTURE HEALTH TECHNOLOGY (QINGDAO) CO., Ltd.

  0 cites
• US120548532024

  Modified Polyester Staple Fiber and Preparation Method Thereof

  BESTEE MATERIAL (TSINGTAO) CO., Ltd.

  0 cites
• US118982852024

  Modified Polypropylene Spunbond Non-woven Fabric and Preparation Method Thereof

  BESTEE MATERIAL (TSINGTAO) CO., Ltd.

  0 cites
• US118079642023

  Plant-based Functional Polypropylene Spunbond Non-woven Fabric and Preparation Method Thereof

  BESTEE MATERIAL (TSINGTAO) CO., Ltd.

  0 cites
• US115663482023

  Method of Preparing Plant-based Functional Polyester Filament

  BESTEE MATERIAL (TSINGTAO) CO., Ltd.

  0 cites