Inventor
TSENG YU-TI
TW7 patents
Patents
7 patentsUS12270137B2Apr 8, 2025
Method for decolorizing polyester fabric
NAN YA PLASTICS CORP0 citations60
US11858891B2Jan 2, 2024
Decolorization and purification method of BHET material
NAN YA PLASTICS CORP0 citations60
US12522711B2Jan 13, 2026
Method for producing recycled polyester chips from recycled polyester fabric
NAN YA PLASTICS CORP0 citations50
US12404384B2Sep 2, 2025
Method for recycling polyester fabric
NAN YA PLASTICS CORP0 citations50
US12466934B2Nov 11, 2025
Method for recycling polyester fabrics with use of ionic liquid catalyst
NAN YA PLASTICS CORP0 citations49
US12258453B2Mar 25, 2025
Method for improving hue of recycled bis-2-hydroxylethyl terephthalate by using ionic liquids
NAN YA PLASTICS CORP0 citations49
US12441861B2Oct 14, 2025
Method for improving recovery rate of recycled bis(2-hydroxyethyl) terephthalate
NAN YA PLASTICS CORP0 citations47