Inventor
CHEN SHIEN-CHANG
TW12 patents
⚠️ This page may combine multiple inventors who share the name “CHEN SHIEN-CHANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DAIREN CHEMICAL CORP
11 patentsUS6350883B1Feb 26, 2002
Method for preparing lactam
DAIREN CHEMICAL CORP37 citations87
US5916677AJun 29, 1999
Process for producing polyester fiber having improved dyeability, elongation and strength, and polyester fiber therefrom
DAIREN CHEMICAL CORP33 citations87
US6323347B2Nov 27, 2001
Catalyst for preparing lactone and a method for preparing lactone
DAIREN CHEMICAL CORP11 citations70
US6313262B1Nov 6, 2001
Method for preparing polyether polyol and copolymer thereof
DAIREN CHEMICAL CORP14 citations68
US5144062ASep 1, 1992
Process for producing methyl formate
DAIREN CHEMICAL CORP11 citations68
US5888923AMar 30, 1999
Modified Raney nickel catalyst and a process for preparing diols by using the same
DAIREN CHEMICAL CORP13 citations66
US7265243B2Sep 4, 2007
Catalytic oxacylation vapor phase process
DAIREN CHEMICAL CORP5 citations59
US5917061AJun 29, 1999
Process for producing cyclic ethers by liquid phase reaction
DAIREN CHEMICAL CORP4 citations58
US4999177AMar 12, 1991
Process for the preparation of high purity carbon monoxide
DAIREN CHEMICAL CORP4 citations57
US9150473B2Oct 6, 2015
Method for producing allyl alcohol
DAIREN CHEMICAL CORP0 citations50
US6998461B2Feb 14, 2006
Modified polyester fiber and process for producing the same
DAIREN CHEMICAL CORP1 citations45