Shien-Chang Chen

Person

Taipei, TW

People

Patents Grantslast 30 patents

Information Patent Grant
Method for producing allyl alcohol
- Patent number 9,150,473
- Issue date Oct 6, 2015
- Dairen Chemical Corporation
- Shien-Chang Chen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Catalytic oxacylation vapor phase process
- Patent number 7,265,243
- Issue date Sep 4, 2007
- Dairen Chemical Corporation
- Shien-Chang Chen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Modified polyester fiber and process for producing the same
- Patent number 6,998,461
- Issue date Feb 14, 2006
- Dairen Chemical Corporation
- Shien Chang Chen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for preparing lactam
- Patent number 6,350,883
- Issue date Feb 26, 2002
- Dairen Chemical Corporation
- Shien-Chang Chen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Catalyst for preparing lactone and a method for preparing lactone
- Patent number 6,323,347
- Issue date Nov 27, 2001
- Dairen Chemical Corporation
- Shien-Chang Chen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for preparing polyether polyol and copolymer thereof
- Patent number 6,313,262
- Issue date Nov 6, 2001
- Dairen Chemical Corporation
- Shien Chang Chen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process of preparing catalyst for producing alkenyl acetates
- Patent number 6,303,536
- Issue date Oct 16, 2001
- Dairen Chemical Coorporation
- Shien-Chang Chen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing cyclic ethers by liquid phase reaction
- Patent number 5,917,061
- Issue date Jun 29, 1999
- Dairen Chemical Corporation
- Shien Chang Chen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing polyester fiber having improved dyeability, e...
- Patent number 5,916,677
- Issue date Jun 29, 1999
- Dairen Chemical Corporation
- Shien Chang Chen
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Modified Raney nickel catalyst and a process for preparing diols by...
- Patent number 5,888,923
- Issue date Mar 30, 1999
- Dairen Chemical Corporation
- Shien Chang Chen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing 1,4-butanediol
- Patent number 5,426,250
- Issue date Jun 20, 1995
- Darien Chemical Corporation
- Shien C. Chen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing methyl formate
- Patent number 5,144,062
- Issue date Sep 1, 1992
- Dairen Chemical Corporation
- Shien-Chang Chen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of high purity carbon monoxide
- Patent number 4,999,177
- Issue date Mar 12, 1991
- Dairen Chemical Corporation
- Shien-Chang Chen
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PRODUCING ALLYL ALCOHOL
- Publication number 20140364655
- Publication date Dec 11, 2014
- Dairen Chemical Corporation
- Shien-Chang Chen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Catalyst for oxacylation and use of the same
- Publication number 20040236121
- Publication date Nov 25, 2004
- Dairen Chemical Corporation
- Shien-Chang Chen
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Modified polyester fiber and process for producing the same
- Publication number 20040204560
- Publication date Oct 14, 2004
- Shien Chang Chen
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
CATALYST FOR OXACYLATION AND USE OF THE SAME
- Publication number 20030148882
- Publication date Aug 7, 2003
- SHIEN-CHANG CHEN
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Method for preparing lactam
- Publication number 20020120154
- Publication date Aug 29, 2002
- DAIREN CHEMICAL CORPORATION
- Shien-Chang Chen
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Catalyst for preparing lactone and a method for preparing lactone
- Publication number 20010009964
- Publication date Jul 26, 2001
- DAIREN CHEMICAL CORPORATION
- Shien-Chang Chen
- C07 - ORGANIC CHEMISTRY

Shien-Chang Chen

Person

Patents Grantslast 30 patents

Method for producing allyl alcohol

Catalytic oxacylation vapor phase process

Modified polyester fiber and process for producing the same

Method for preparing lactam

Catalyst for preparing lactone and a method for preparing lactone

Method for preparing polyether polyol and copolymer thereof

Process of preparing catalyst for producing alkenyl acetates

Process for producing cyclic ethers by liquid phase reaction

Process for producing polyester fiber having improved dyeability, e...

Modified Raney nickel catalyst and a process for preparing diols by...

Process for preparing 1,4-butanediol

Process for producing methyl formate

Process for the preparation of high purity carbon monoxide

Patents Applicationslast 30 patents

METHOD FOR PRODUCING ALLYL ALCOHOL

Catalyst for oxacylation and use of the same

Modified polyester fiber and process for producing the same

CATALYST FOR OXACYLATION AND USE OF THE SAME

Method for preparing lactam

Catalyst for preparing lactone and a method for preparing lactone