Inventor
Dong Won Hwang
Inventor
Daejeon, KR
Overview
Patents· 18 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Jprimary
B01JChemical or physical processes, e.g. catalysis or colloid chemistry19%
C07DHeterocyclic compounds10%
B01DSeparation6%
C07CAcyclic or carbocyclic compounds6%
C01GCompounds containing metals not covered by subclasses c01d or c01f5%
Y02PClimate change mitigation technologies in the production or processing of goods5%
Y10TTechnical subjects covered by former us classification5%
C02FTreatment of water, waste water, sewage, or sludge3%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium3%
C07HSugars3%
PatentTitleYear
10,766,019Olefin metathesis reaction catalyst and preparation method therefor202010,644,350Secondary battery including organic-inorganic hybrid nanoporous material as water adsorbent202010,329,211Method for oligomerization of ethylene201910,253,012Method and apparatus for preparation of lactide using lactide purification process201910,227,668Method for preparing fructose or xylulose from biomass containing glucose or xylose using butanol, and method for separating the same201910,195,592Zirconium-based metal-organic frameworks as catalyst for transfer hydrogenation201910,138,185Method for preparation of mannitol from fructose using butanol as solvent20189,988,362Method for preparing furan derivatives from biomass20189,687,772'Inorganic-organic hybrid nanoporous material with nitrogen selective adsorptivity and method for separating nitrogen-containing gas mixture using the same'20179,561,492'Method for producing lactide directly from lactic acid and a catalyst used therein'20179,539,561'Method for producing lactide directly from lactic acid and a catalyst used therein'20179,302,258'Complex comprising crystalline hybrid nanoporous material powder'20169,038,409'Apparatus for treating air by using porous organic-inorganic hybrid materials as an absorbent'20159,012,685'Recovery method of highly pure lactic acid and alkyl lactate'20158,507,399'Porous organic-inorganic hybrid materials with crystallinity and method for preparing thereof'20138,252,950'Porous organic-inorganic hybrid materials with crystallinity and method for preparing thereof'20127,879,736'Composition for etching silicon oxide and method of forming a contact hole using the same'20117,351,667'Etching solution for silicon oxide method of manufacturing a semiconductor device using the same'2008Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2008Based in Suwon-si, KR· patent location history
2011–2016Based in Gyeonggi-do, KR· patent location history
2012–2016Patents assigned to CHANG JONG-SAN (5)· patent assignee history
2012–2016Patents assigned to HWANG DONG WON (5)· patent assignee history
2012–2016Patents assigned to HWANG YOUNG KYU (5)· patent assignee history
2013–2016Patents assigned to KOREA RES INST CHEM TECH (4)· patent assignee history
2015–2017Based in Anyang-si, KR· patent location history
2017–2020Patents assigned to KOREA RES INST CHEMICAL TECH (11)· patent assignee history
2017–2020Based in Daejeon, KR· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KOREA RES INST CHEMICAL TECH | 11 | 2017–2020 |
| CHANG JONG-SAN | 5 | 2012–2016 |
| HWANG DONG WONself | 5 | 2012–2016 |
| HWANG YOUNG KYU | 5 | 2012–2016 |
| KOREA RES INST CHEM TECH | 4 | 2013–2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Daejeon, KR | 9 | 2017–2020 |
| Gyeonggi-do, KR | 5 | 2011–2016 |
| Anyang-si, KR | 3 | 2015–2017 |
| Suwon-si, KR | 1 | 2008 |