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Inventor

Ahn Seop Choi

Inventor
Seoul, KR

Overview

7→
Patents
2003–2011
Patent span
Chemistry
Primary field (CPC C)

Patents· 7 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 chemistry27%
C10GCracking hydrocarbon oils27%
C07CAcyclic or carbocyclic compounds14%
Y02PClimate change mitigation technologies in the production or processing of goods14%
B05DProcesses for applying fluent materials to surfaces, in general9%
C23CCoating metallic material9%
PatentTitleYear
8,003,840'Bismuth molybdate-based catalysts, method of preparing thereof and method of preparing 1,3-butadiene using thereof'20117,663,013'Solid acid catalyst for producing light olefins and process using the same'20107,601,663'Solid acid catalyst for producing light olefins and process using the same'20097,301,063'Process for increasing production of light olefin hydrocarbon from hydrocarbon feedstock'20076,870,073'Process for separating normal paraffins from hydrocarbons and applications for the separated hydrocarbons'20056,852,361'Method of on-line coating of a film on the inner walls of the reaction tubes in a hydrocarbon pyrolysis reactor'20056,514,563'Method of on-line coating film on the inner walls of the reaction tubes in a hydrocarbon pyrolysis reactor'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2007Patents assigned to SK CORP (4)· patent assignee history
2003–2005Based in Ulsan, KR· patent location history
2005Based in Taejon, KR· patent location history
2007–2011Based in Seoul, KR· patent location history
2009–2010Patents assigned to KOREA RES INST CHEM TECH (2)· patent assignee history
2009–2010Patents assigned to SK ENERGY CO LTD (2)· patent assignee history
2011Patents assigned to SK GLOBAL CHEMICAL CO LTD (1)· patent assignee history
2011Patents assigned to SK INNOVATION CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SK CORP42003–2007
KOREA RES INST CHEM TECH22009–2010
SK ENERGY CO LTD22009–2010
SK GLOBAL CHEMICAL CO LTD12011
SK INNOVATION CO LTD12011
Locations
LocationPatentsSpan
Seoul, KR42007–2011
Ulsan, KR22003–2005
Taejon, KR12005