P

Inventor

CHUANG JUNG-JEN

TW42 patents
⚠️ This page may combine multiple inventors who share the name “CHUANG JUNG-JEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NAN YA PLASTICS CORP

24 patents
US12473420B2Nov 18, 2025

Method for processing waste fabric containing polyester and wool fibers

NAN YA PLASTICS CORP0 citations61
US12492286B2Dec 9, 2025

Plasticizer and method for manufacturing the same

NAN YA PLASTICS CORP0 citations60
US12466933B2Nov 11, 2025

Method for processing waste fabric containing polyester and cotton fibers

NAN YA PLASTICS CORP0 citations60
US12435182B2Oct 7, 2025

Manufacturing method of polyester for plastic wrap

NAN YA PLASTICS CORP0 citations60
US12270137B2Apr 8, 2025

Method for decolorizing polyester fabric

NAN YA PLASTICS CORP0 citations60
US12116340B2Oct 15, 2024

Method for manufacturing methyltetrahydrophthalic anhydride

NAN YA PLASTICS CORP1 citations60
US11873278B2Jan 16, 2024

Method for preparing low migration plasticizer of di-2-ethylhexyl terephthalate

NAN YA PLASTICS CORP0 citations60
US11858891B2Jan 2, 2024

Decolorization and purification method of BHET material

NAN YA PLASTICS CORP0 citations60
US11739037B1Aug 29, 2023

Method for manufacturing nonylcyclohexanol

NAN YA PLASTICS CORP0 citations60
US11840605B2Dec 12, 2023

Method for manufacturing polyester polyhydric alcohol

NAN YA PLASTICS CORP0 citations51
US12577348B2Mar 17, 2026

Plasticizer and method for manufacturing the same

NAN YA PLASTICS CORP0 citations50
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
US12180332B2Dec 31, 2024

Method for producing plasticizer

NAN YA PLASTICS CORP0 citations50
US12110365B2Oct 8, 2024

Method for producing polyphenylene ether amine

NAN YA PLASTICS CORP0 citations50
US12559588B2Feb 24, 2026

Polymer and manufacturing method thereof

NAN YA PLASTICS CORP0 citations49
US12466934B2Nov 11, 2025

Method for recycling polyester fabrics with use of ionic liquid catalyst

NAN YA PLASTICS CORP0 citations49
US12448494B2Oct 21, 2025

Treatment method of waste fabric containing polyester fiber and elastic fiber

NAN YA PLASTICS CORP0 citations49
US12410299B2Sep 9, 2025

Disposal method for waste fabric containing polyester, spandex, and dye

NAN YA PLASTICS CORP0 citations49
US12410298B2Sep 9, 2025

Disposal method for waste fabric containing polyester, nylon, and dye

NAN YA PLASTICS CORP0 citations49
US12269077B2Apr 8, 2025

Disposal method for waste fabric containing polyester and nylon

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
US12344991B2Jul 1, 2025

Decolorization method of polyester fabric

NAN YA PLASTICS CORP0 citations46

NANYA PLASTICS CORP

15 patents
US10876240B2Dec 29, 2020

Method for decolorization of dyed polyester fiber

NANYA PLASTICS CORP5 citations71
US10611711B1Apr 7, 2020

Method for preparing 1,4-cyclohexanedimethanol

NANYA PLASTICS CORP5 citations71
US9688838B1Jun 27, 2017

Diisononyl terephthalate plasticizer and its use as well as process for producing the same

NANYA PLASTICS CORP4 citations71
US11117853B2Sep 14, 2021

Methods for manufacturing and decolorizing dioctyl terephthalate

NANYA PLASTICS CORP0 citations61
US10611712B2Apr 7, 2020

Hydrogenation method for preparing hydrogenated bisphenol-A having a higher trans/trans isomer ratio

NANYA PLASTICS CORP1 citations60
US9920218B2Mar 20, 2018

Process for preparing polyphenylene ether microspore dispersion

NANYA PLASTICS CORP1 citations51
US11001701B2May 11, 2021

PVC product and stabilizing agent thereof

NANYA PLASTICS CORP0 citations50
US11180436B2Nov 23, 2021

Method for purifying by-product ethylene glycol of polyester in converting plasticizer

NANYA PLASTICS CORP0 citations47
US9776956B2Oct 3, 2017

Method for preparing N,N′-bis(2-cyanoethyl)-1,2-ethylenediamine by using cation exchange resin as catalyst

NANYA PLASTICS CORP0 citations47
US9156944B2Oct 13, 2015

Process for producing polyphenylene ether helping to improve safety and yield

NANYA PLASTICS CORP0 citations40
US10781159B2Sep 22, 2020

Hydrogenation method for increasing yield of cyclohexane-1,4-dicarboxylic acid diisooctyl ester

NANYA PLASTICS CORP0 citations39
US10189766B2Jan 29, 2019

Process for producing 2-ethylhexanal helping to improve yield

NANYA PLASTICS CORP0 citations39
US10472317B2Nov 12, 2019

Dioctyl terephthalate plasticizer and method of enhancing reaction efficiency in process for producing the same

NANYA PLASTICS CORP0 citations38
US10179758B2Jan 15, 2019

Method for enhancing uniformity of crystallized succinic acid and purified succinic acid produced by the same

NANYA PLASTICS CORP0 citations37
US9776955B2Oct 3, 2017

Method for preparing N,N′-bis(2-cyanoethyl)-1,2-ethylenediamine

NANYA PLASTICS CORP0 citations37

FUNG DEIN-RUN

3 patents