Chul Hee Ryu

Person

Daejeon, KR

People

Patents Grantslast 30 patents

Information Patent Grant
Super absorbent polymer and preparation method thereof
- Patent number 10,889,673
- Issue date Jan 12, 2021
- LG Chem, Ltd.
- Sang Gi Lee
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Super absorbent polymer
- Patent number 10,335,768
- Issue date Jul 2, 2019
- LG Chem, Ltd.
- Tae Bin Ahn
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Super absorbent polymer
- Patent number 10,285,866
- Issue date May 14, 2019
- LG Chem, Ltd.
- Chul Hee Ryu
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Super absorbent polymer and preparation method thereof
- Patent number 10,150,829
- Issue date Dec 11, 2018
- LG Chem, Ltd.
- Sang Gi Lee
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Super absorbent polymer and preparation method thereof
- Patent number 9,808,787
- Issue date Nov 7, 2017
- LG Chem, Ltd.
- Chul Hee Ryu
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method of preparing superabsorbent polymer
- Patent number 9,708,452
- Issue date Jul 18, 2017
- LG Chem, Ltd.
- Sang Gi Lee
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Preparation method of superabsorbent polymer
- Patent number 9,701,796
- Issue date Jul 11, 2017
- LG Chem, Ltd.
- Hwayoon Jung
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Super absorbent polymer and preparation method thereof
- Patent number 9,486,778
- Issue date Nov 8, 2016
- LG Chem, Ltd.
- Chul Hee Ryu
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method for preparing a super absorbent polymer
- Patent number 9,433,921
- Issue date Sep 6, 2016
- LG Chem, Ltd.
- Chul Hee Ryu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of preparing a super absorbent polymer and a super absorbent...
- Patent number 9,156,974
- Issue date Oct 13, 2015
- LG Chem, Ltd.
- Yong Hun Lee
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
On-site treatment method of food waste generated from collective re...
- Patent number 7,108,788
- Issue date Sep 19, 2006
- E1 Biotech Co., Ltd.
- Ho Nam Chang
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL

Patents Applicationslast 30 patents

Information Patent Application
Super Absorbent Polymer
- Publication number 20190183682
- Publication date Jun 20, 2019
- LG CHEM, LTD.
- Chul Hee Ryu
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Super Absorbent Polymer And Preparation Method Thereof
- Publication number 20190040173
- Publication date Feb 7, 2019
- LG CHEM, LTD.
- Sang Gi Lee
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Super Absorbent Polymer
- Publication number 20180185819
- Publication date Jul 5, 2018
- LG CHEM, LTD.
- Tae Bin Ahn
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
SUPER ABSORBENT POLYMER AND PREPARATION METHOD THEREOF
- Publication number 20170021334
- Publication date Jan 26, 2017
- LG CHEM, LTD.
- Chul Hee Ryu
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PREPARATION METHOD OF SUPERABSORBENT POLYMER
- Publication number 20160311985
- Publication date Oct 27, 2016
- LG CHEM, LTD.
- Hwayoon Jung
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
A METHOD OF PREPARING SUPERABSORBENT POLYMER
- Publication number 20160280866
- Publication date Sep 29, 2016
- Sang Gi LEE
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
SUPER ABSORBENT POLYMER
- Publication number 20160208035
- Publication date Jul 21, 2016
- LG CHEM, LTD.
- Chul Hee Ryu
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
METHOD FOR PREPARING A SUPER ABSORBENT POLYMER
- Publication number 20160175813
- Publication date Jun 23, 2016
- LG CHEM, LTD.
- Chul Hee Ryu
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
SUPER ABSORBENT POLYMER AND PREPARATION METHOD THEREOF
- Publication number 20160053037
- Publication date Feb 25, 2016
- LG CHEM, LTD.
- Sang Gi Lee
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
SUPER ABSORBENT POLYMER AND PREPARATION METHOD THEREOF
- Publication number 20160030921
- Publication date Feb 4, 2016
- LG CHEM, LTD.
- Chul Hee Ryu
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
METHOD OF PREPARING A SUPER ABSORBENT POLYMER AND A SUPER ABSORBENT...
- Publication number 20150259522
- Publication date Sep 17, 2015
- LG CHEM, LTD.
- Yong Hun Lee
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD FOR MANUFACTURING INNER STRUCTURE OF REGENERATIVE COOLING TY...
- Publication number 20140007412
- Publication date Jan 9, 2014
- KOREA AEROSPACE RESEARCH INSTITUTE
- Chul Sung Ryu
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Method for producing a useful compound and treating a wastewater us...
- Publication number 20060123988
- Publication date Jun 15, 2006
- Ho Nam Chang
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
On-site treatment method of food waste generated from collective re...
- Publication number 20040206698
- Publication date Oct 21, 2004
- Ho Nam Chang
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL

Chul Hee Ryu

Person

Patents Grantslast 30 patents

Super absorbent polymer and preparation method thereof

Super absorbent polymer

Super absorbent polymer

Super absorbent polymer and preparation method thereof

Super absorbent polymer and preparation method thereof

Method of preparing superabsorbent polymer

Preparation method of superabsorbent polymer

Super absorbent polymer and preparation method thereof

Method for preparing a super absorbent polymer

Method of preparing a super absorbent polymer and a super absorbent...

On-site treatment method of food waste generated from collective re...

Patents Applicationslast 30 patents

Super Absorbent Polymer

Super Absorbent Polymer And Preparation Method Thereof

Super Absorbent Polymer

SUPER ABSORBENT POLYMER AND PREPARATION METHOD THEREOF

PREPARATION METHOD OF SUPERABSORBENT POLYMER

A METHOD OF PREPARING SUPERABSORBENT POLYMER

SUPER ABSORBENT POLYMER

METHOD FOR PREPARING A SUPER ABSORBENT POLYMER

SUPER ABSORBENT POLYMER AND PREPARATION METHOD THEREOF

SUPER ABSORBENT POLYMER AND PREPARATION METHOD THEREOF

METHOD OF PREPARING A SUPER ABSORBENT POLYMER AND A SUPER ABSORBENT...

METHOD FOR MANUFACTURING INNER STRUCTURE OF REGENERATIVE COOLING TY...

Method for producing a useful compound and treating a wastewater us...

On-site treatment method of food waste generated from collective re...