Hee Won Hwang

Person

Daejon, KR

People

Patents Grantslast 30 patents

Information Patent Grant
Polyester-based resin composition and molded article manufactured u...
- Patent number 12,065,564
- Issue date Aug 20, 2024
- LG Chem, Ltd.
- Gun Ko
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method for preparation of high enzymatic resistance hydroxyalkylcel...
- Patent number 8,093,376
- Issue date Jan 10, 2012
- Samsung Fine Chemicals Co., Ltd.
- Seok Soo Kim
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of 11-(4-[2-(2-hydroxyethoxy)ethyl]-1-p...
- Patent number 7,678,902
- Issue date Mar 16, 2010
- SK Holdings Co., Ltd.
- Byong-Sung Kwak
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of preparing 10H-dibenzo[b,f][11,4]thiazepin-11-one
- Patent number 7,214,793
- Issue date May 8, 2007
- SK Corporation
- Byong-Sung Kwak
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of preparing optically pure (R)- or (S)- tetrahydrofuranyl k...
- Patent number 6,841,688
- Issue date Jan 11, 2005
- SK Corporation
- Hee-Jun Hwang
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
POLYBUTYLENE TEREPHTHALATE RESIN COMPOSITION, METHOD OF PREPARING T...
- Publication number 20250092253
- Publication date Mar 20, 2025
- LG CHEM, LTD.
- Jae Kyung YANG
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYESTER RESIN COMPOSITION, METHOD OF PREPARING THE SAME, AND MOLD...
- Publication number 20240409736
- Publication date Dec 12, 2024
- LG CHEM, LTD.
- Hee Jae Hwang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
THERMOPLASTIC RESIN COMPOSITION, METHOD OF PREPARING THE SAME, AND...
- Publication number 20240218174
- Publication date Jul 4, 2024
- LG CHEM, LTD.
- Gun KO
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
RESIN MOLDED PRODUCT HAVING IMPROVED HYDROLYSIS RESISTANCE AND LASE...
- Publication number 20230120048
- Publication date Apr 20, 2023
- HYUNDAI MOBIS CO., LTD.
- Hyoung Taek KANG
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYESTER-BASED RESIN COMPOSITION AND MOLDED ARTICLE MANUFACTURED U...
- Publication number 20220041859
- Publication date Feb 10, 2022
- LG CHEM, LTD.
- Gun KO
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
METHOD FOR PREPARATION OF HIGH ENZYMATIC RESISTANCE HYDROXYALKYLCEL...
- Publication number 20090299051
- Publication date Dec 3, 2009
- SANSUNG FINE CHEMICALS CO., LTD.
- Seok Soo Kim
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Method for Preparation of Hydroxyalkylalkylcellulose Ethers with Hi...
- Publication number 20080242852
- Publication date Oct 2, 2008
- Seok Soo Kim
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Process for the Preparation of 11-(4-[2-(2-Hydroxyethoxy)Ethyl]-I-P...
- Publication number 20070225494
- Publication date Sep 27, 2007
- SK CORPORATION
- Byong Sung Kwak
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Method of preparing 10th-dibenzo[b,f][11,4]thiazepin-11-one
- Publication number 20070066589
- Publication date Mar 22, 2007
- Byong-Sung Kwak
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Method of preparing optically pure (R) - or (S) - tetrahydrofuranyl...
- Publication number 20030114693
- Publication date Jun 19, 2003
- SK CORPORATION
- Hee-Jun Hwang
- C07 - ORGANIC CHEMISTRY

Hee Won Hwang

Person

Patents Grantslast 30 patents

Polyester-based resin composition and molded article manufactured u...

Method for preparation of high enzymatic resistance hydroxyalkylcel...

Process for the preparation of 11-(4-[2-(2-hydroxyethoxy)ethyl]-1-p...

Method of preparing 10H-dibenzo[b,f][11,4]thiazepin-11-one

Method of preparing optically pure (R)- or (S)- tetrahydrofuranyl k...

Patents Applicationslast 30 patents

POLYBUTYLENE TEREPHTHALATE RESIN COMPOSITION, METHOD OF PREPARING T...

POLYESTER RESIN COMPOSITION, METHOD OF PREPARING THE SAME, AND MOLD...

THERMOPLASTIC RESIN COMPOSITION, METHOD OF PREPARING THE SAME, AND...

RESIN MOLDED PRODUCT HAVING IMPROVED HYDROLYSIS RESISTANCE AND LASE...

POLYESTER-BASED RESIN COMPOSITION AND MOLDED ARTICLE MANUFACTURED U...

METHOD FOR PREPARATION OF HIGH ENZYMATIC RESISTANCE HYDROXYALKYLCEL...

Method for Preparation of Hydroxyalkylalkylcellulose Ethers with Hi...

Process for the Preparation of 11-(4-[2-(2-Hydroxyethoxy)Ethyl]-I-P...

Method of preparing 10th-dibenzo[b,f][11,4]thiazepin-11-one

Method of preparing optically pure (R) - or (S) - tetrahydrofuranyl...