Choi; Ahn Seop

Patent Applications and Registrations

Patent applications and USPTO patent grants for Choi; Ahn Seop.The latest application filed is for "solid acid catalyst for producing light olefins and process using the same".

Company Profile

0.6.6

Choi; Ahn Seop - Seoul KR
Choi; Ahn-Seop - Taejon KR
Choi; Ahn Seop - Ulsan KR

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Bismuth molybdate-based catalysts, method of preparing thereof and method of preparing 1,3-butadiene using thereof Grant 8,003,840 - Oh , et al. August 23, 2	2011-08-23
Solid acid catalyst for producing light olefins and process using the same Grant 7,663,013 - Choi , et al. February 16, 2	2010-02-16
Solid acid catalyst for producing light olefins and process using the same Grant 7,601,663 - Choi , et al. October 13, 2	2009-10-13
Solid Acid Catalyst For Producing Light Olefins And Process Using The Same App 20090112035 - Choi; Sun ; et al.	2009-04-30
Bismuth Molybdate-based Catalysts, Method Of Preparing Thereof And Method Of Preparing 1,3-butadiene Using Thereof App 20090088594 - Oh; Seung Hoon ; et al.	2009-04-02
Process for increasing production of light olefin hydrocarbon from hydrocarbon feedstock Grant 7,301,063 - Choi , et al. November 27, 2	2007-11-27
Process for increasing production of light olefin hydrocarbon from hydrocarbon feedstock App 20060287561 - Choi; Sun ; et al.	2006-12-21
Solid acid catalyst for producing light olefins and process using the same App 20060058562 - Choi; Sun ; et al.	2006-03-16
Process for separating normal paraffins from hydrocarbons and applications for the separated hydrocarbons Grant 6,870,073 - Choi , et al. March 22, 2	2005-03-22
Method of on-line coating of a film on the inner walls of the reaction tubes in a hydrocarbon pyrolysis reactor Grant 6,852,361 - Kang , et al. February 8, 2	2005-02-08
Method of on-line coating of a film on the inner walls of the reaction tubes in a hydrocarbon pyrolysis reactor App 20030152701 - Kang, Sin Cheol ; et al.	2003-08-14
Process for separating normal paraffins from hydrocarbons and applications for the separated hydrocarbons App 20030100812 - Choi, Sun ; et al.	2003-05-29

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