LexDanaLexDanabeta
Inventor

Chang Sun Han

Inventor
Daejeon, KR

Overview

50→
Patents
2004–2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 50 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C08Fprimary
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds20%
C08JWorking-up16%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry12%
A61LMethods or apparatus for sterilising materials or objects in general9%
C08LCompositions of macromolecular compounds9%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients6%
D21HPulp compositions4%
Y10TTechnical subjects covered by former us classification4%
C09DCoating compositions, e.g. paints, varnishes or lacquers3%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy2%
PatentTitleYear
10,850,260Super absorbent polymer and method for producing same202010,829,630Super absorbent polymer202010,821,418Super absorbent polymer202010,773,237Method for preparing super absorbent polymer, and super absorbent polymer202010,759,912Superabsorbent polymer and preparation method thereof202010,662,296Super absorbent polymer granules and preparation method thereof202010,550,230Preparation method of superabsorbent polymer and superabsorbent polymer prepared thereby202010,335,768Super absorbent polymer201910,335,766Super absorbent polymer and manufacturing method thereof201910,208,171Preparation method of superabsorbent polymer and superabsorbent polymer prepared thereby201910,086,362Preparation method of super absorbent polymer201810,086,361Super absorbent polymer and a preparation method thereof201810,040,911Method of preparing superabsorbent polymer granules201810,023,703Preparation method of superabsorbent polymer and superabsorbent polymer prepared thereby20189,975,979Method of preparing superabsorbent polymer20189,976,003Method for preparing super absorbent polymer and super absorbent polymer prepared therefrom20189,700,873'Method for preparing super absorbent polymer and super absorbent polymer prepared therefrom'20179,701,796'Preparation method of superabsorbent polymer'20179,656,296'Preparation method of a super absorbent polymer'20179,656,242'Method for preparing a super absorbent polymer'20179,624,328'Superabsorbent polymer'20179,517,446'Super absorbent polymer and a preparation method thereof'20169,433,972'Coated paper having a coating structure with controlled distribution of latex and method for preparing the same'20169,421,123'Portable combined stimulation device for alleviating menstrual pain'20169,156,974'Method of preparing a super absorbent polymer and a super absorbent polymer prepared therefrom'20159,120,100'Shredder for super absorbent polymer and preparation method of super absorbent polymer using the same'20159,114,381'Super absorbent polymer'20159,109,097'Method of preparing super absorbent polymer'20159,040,118'Method of manufacture of styrene-butadiene latexes'20159,028,971'Odorless paper coating latex and paper coating composition containing the same'20159,029,480'Preparation method of superabsorbent polymer'20158,993,106'Coated paper having a coating structure with controlled distribution of latex and method for preparing the same'20158,975,351'Latex resin composition for rubber gloves without sulfur and vulcanization acceleator and method of manufacturing dip-formed article using the composition'20158,919,683'Shredder for super adsorbent polymer and preparation method of super absorbent polymer using the same'20148,829,066'Polymerization reactor for producing super absorbent polymers and method of producing super absorbent polymers using the polymerization reactor'20148,758,937'Binder with good rate property and long cycleability for lithium secondary battery'20148,697,812'Preparation method of superabsorbent polymer'20148,674,000'Multi-layered paper coating latex having high swelling and contraction property, method for preparing the same, and paper coating composition containing the same'20148,277,976'Binder with good rate property and long cycleability for lithium secondary battery'20128,053,045'Styrene-butadiene latex binder for ink-jet paper, preparation method thereof and coating liquid containing the same'20118,044,138'Carboxylic acid-modified nitrile copolymer latex and latex composition for dip forming comprising the same'20117,935,442'Polymer binder for electrochemical device comprising multiply stacked electrochemical cells'20117,695,821'Composite binder for an electrode with dispersants chemically bound'20107,612,128'Method for preparing styrene-butadiene latex'20097,256,229'Paper coating latex using ionic monomer'20077,173,082'Acrylic impact modifier prepared by multi-stage polymerization and method for preparing the same'20077,019,072'Method of preparing latex for coating paper'20066,989,408'Method for preparing acryl based impact-reinforcement'20066,864,303'Acrylic rubber latex having bimodal particle distribution'20056,750,297'Artificial pigment and method for preparing the same'2004

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2004–2020Patents assigned to LG CHEMICAL LTD (49)· patent assignee history
2004–2020Based in Daejeon, KR· patent location history
2005–2006Based in Yeosoo, KR· patent location history
2014–2017Patents assigned to HAN CHANG-SUN (9)· patent assignee history
2014–2017Patents assigned to KIM GI-CHEUL (5)· patent assignee history
2014–2017Patents assigned to KIM KYU-PAL (5)· patent assignee history
2014–2017Patents assigned to LEE SANG-GI (5)· patent assignee history
2016Based in Incheon, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
LG CHEMICAL LTD492004–2020
HAN CHANG-SUNself92014–2017
KIM GI-CHEUL52014–2017
KIM KYU-PAL52014–2017
LEE SANG-GI52014–2017
Locations
LocationPatentsSpan
Daejeon, KR472004–2020
Yeosoo, KR22005–2006
Incheon, KR12016