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Patents Grants
last 30 patents
Information
Patent Grant
Apparatus for recovering acrylic acid
Patent number
8,308,913
Issue date
Nov 13, 2012
LG Chem, Ltd.
Seong Pil Kang
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of producing unsaturated acid from olefin
Patent number
8,142,742
Issue date
Mar 27, 2012
LG Chem, Ltd.
Boo Gon Woo
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of producing unsaturated acid from olefin
Patent number
7,816,559
Issue date
Oct 19, 2010
LG Chem, Ltd.
Boo Gon Woo
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for producing (meth) acrylic acid
Patent number
7,632,968
Issue date
Dec 15, 2009
LG Chem, Ltd.
Seong Pil Kang
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for recovering acrylic acid
Patent number
7,612,231
Issue date
Nov 3, 2009
LG Chem, Ltd.
Seong Pil Kang
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of producing unsaturated acid in fixed-bed catalytic partial...
Patent number
7,608,734
Issue date
Oct 27, 2009
LG Chem, Ltd.
Kyoung Su Ha
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Temperature measuring device
Patent number
7,591,585
Issue date
Sep 22, 2009
LG Chem, Ltd.
Kyoung Su Ha
G01 - MEASURING TESTING
Information
Patent Grant
Method of preparing polycarbonate resin
Patent number
7,495,065
Issue date
Feb 24, 2009
LG Chem, Ltd.
Jong Hun Kim
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Catalytic oxidation reactor with enhanced heat exchanging system
Patent number
7,438,871
Issue date
Oct 21, 2008
LG Chem, Ltd.
Kyoung-Su Ha
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Continuous method for preparing aromatic carbonate using a heteroge...
Patent number
7,417,161
Issue date
Aug 26, 2008
LG Chem Ltd.
Boo-Gon Woo
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of producing modified polycarbonate using spray-crystallizin...
Patent number
7,368,521
Issue date
May 6, 2008
LG Chem, Ltd.
Mijeung Hong
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for preparing polycarbonate resin
Patent number
7,339,021
Issue date
Mar 4, 2008
LG Chem, Ltd.
Eun-Duck Park
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method of preparing polycarbonate resin
Patent number
7,332,559
Issue date
Feb 19, 2008
LG Chem, Ltd.
Mijeung Hong
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method of producing styrene polymers using high speed catalytic dis...
Patent number
7,321,016
Issue date
Jan 22, 2008
LG Chem, Ltd.
Mooho Hong
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for producing (meth) acrylic acid
Patent number
7,319,169
Issue date
Jan 15, 2008
LG Chem, Ltd.
Seong Pil Kang
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of producing unsaturated acid in fixed-bed catalytic partial...
Patent number
7,262,324
Issue date
Aug 28, 2007
LG Chem, Ltd.
Kyoung Su Ha
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of producing unsaturated aldehyde and unsaturated acid in fi...
Patent number
7,238,836
Issue date
Jul 3, 2007
LG Chem, Ltd.
Kyoung Su Ha
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Preparation method of high molecular weight polycarbonate resin
Patent number
7,148,312
Issue date
Dec 12, 2006
LG Chem, Ltd.
Jong-Hun Kim
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Catalyst system for preparing styrene polymer and method for prepar...
Patent number
7,084,220
Issue date
Aug 1, 2006
LG Chem, Ltd.
Moo-Ho Hong
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for preparing high molecular weight polycarbonate
Patent number
7,084,232
Issue date
Aug 1, 2006
LG Chem, Ltd.
Jong-Hun Kim
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Facility parts cleaning solution for processing of (meth)acrylic ac...
Patent number
7,073,519
Issue date
Jul 11, 2006
LG Chem, Ltd.
Seok-Hwan Choi
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Grant
Process for preparing unsaturated carboxylic acid esters and appara...
Patent number
5,645,696
Issue date
Jul 8, 1997
Lucky Ltd.
Boo Gon Woo
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
METHOD OF PRODUCING UNSATURATED ACID FROM OLEFIN
Publication number
20110008218
Publication date
Jan 13, 2011
LG CHEM, LTD.
Boo Gon WOO
C07 - ORGANIC CHEMISTRY
Information
Patent Application
APPARATUS FOR RECOVERING ACRYLIC ACID
Publication number
20100012476
Publication date
Jan 21, 2010
Seong Pil KANG
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHOD OF PRODUCING UNSATURATED ACID IN FIXED-BED CATALYTIC PARTIAL...
Publication number
20100015017
Publication date
Jan 21, 2010
LG CHEMICAL, LTD.
Kyoung Su Ha
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Method of producing unsaturated acid in fixed-bed catalytic partial...
Publication number
20070073084
Publication date
Mar 29, 2007
Kyoung Su Ha
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Temperature measuring device
Publication number
20060284723
Publication date
Dec 21, 2006
Kyoung Su Ha
G01 - MEASURING TESTING
Information
Patent Application
Method of producing styren polymers using high speed catalytic disp...
Publication number
20060247398
Publication date
Nov 2, 2006
Mooho Hong
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Method of producing unsaturated acid from olefin
Publication number
20060211884
Publication date
Sep 21, 2006
Boo Gon Woo
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Method of preparing polycarbonate resin
Publication number
20060199940
Publication date
Sep 7, 2006
Jong Hun Kim
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Preparation method of high molecular weight polycarbonate resin
Publication number
20060167211
Publication date
Jul 27, 2006
Jong-Hun Kim
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Method for preparing polycarbonate resin
Publication number
20060122359
Publication date
Jun 8, 2006
Eun-Duck Park
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Method of producing modified polycarbonate using spray-crystallizin...
Publication number
20060100413
Publication date
May 11, 2006
Mijeung Hong
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Method of preparing polycarbonate resin
Publication number
20060089484
Publication date
Apr 27, 2006
Mijeung Hong
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Method for producing (meth) acrylic acid
Publication number
20060025629
Publication date
Feb 2, 2006
Seong Pil Kang
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Facility parts cleaning solution for processing of (meth)acrylic ac...
Publication number
20050277571
Publication date
Dec 15, 2005
LG CHEM, LTD.
Seok-Hwan Choi
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
Method for recovering acrylic acid
Publication number
20050245763
Publication date
Nov 3, 2005
LG CHEM, LTD
Seong Pil Kang
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Continuous method for preparing aromatic carbonate using a heteroge...
Publication number
20050240046
Publication date
Oct 27, 2005
Boo-Gon Woo
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Method for preparing high molecular weight polycarbonate
Publication number
20050215758
Publication date
Sep 29, 2005
Jong-Hun Kim
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Method for producing (meth) acrylic acid
Publication number
20050192464
Publication date
Sep 1, 2005
Seong Pil Kang
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Catalyst system for preparing styrene polymer and method for prepar...
Publication number
20050171308
Publication date
Aug 4, 2005
Moo-Ho Hong
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Method of producing unsaturated acid in fixed-bed catalytic partial...
Publication number
20050143601
Publication date
Jun 30, 2005
LG CHEM, LTD.
Kyoung Su Ha
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Method of producing unsaturated aldehyde and unsaturated acid in fi...
Publication number
20050049435
Publication date
Mar 3, 2005
Kyoung Su Ha
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Catalytic oxidation reactor with enhanced heat exchanging system
Publication number
20040213711
Publication date
Oct 28, 2004
Kyoung-Su Ha
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL