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 patentsUS12473420B2Nov 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 patentsUS10876240B2Dec 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 patentsUS8569442B2Oct 29, 2013
Hydrogenation process for improving yield of hydrogenated bisphenol-A-based epoxy resin
FUNG DEIN-RUN4 citations60
US8653300B2Feb 18, 2014
Method for making hindered phenolic antioxidant
FUNG DEIN-RUN0 citations40
US8653296B2Feb 18, 2014
Method for preparing ester of cyclohexane polycarboxylic acid from ester of benzene polycarboxylic acid
FUNG DEIN-RUN0 citations35