1.“Preparation method of substituted 2-cyclohexenones”

      (a) Korean Patent Application, KR 1997-13534, 1997.04.11.

      (b) Korean Patent Registration, KR 0194062, 1999.02.06.

2.“Compound comprising polyene chain structure and preparing method thereof”

      (a) Korean Patent Application, KR 1998-47549, 1998.11.06, 

      (b) PCT Application, PCT/KR99/00648, 1999.10.28, Publication WO 00/27810, 2000.05.18.

      (c)US Patent Application, US 09/435,336, 1999.11.05.

      (d) Korean Patent Application, KR 2001-7003782, 2001.03.20.

      (e) Japanese Patent Application, JP 2000-580990, 2001.04.03.

      (f) Chinese Patent Application, CN 99812480.X, 2001.04.23

      (g) European Patent Application (England, Germany, Switzerland, France), EP 99951244.5, 2001.05.03.

      (h) “A Process for Making b-carotene” US Patent Registration, US 6,297,416, 2001.09,27. “Diallylic

          Sulfides and Process for Making the Same”

      (i) US Patent Application (1^st Divisional), US 09/873,672, 2001.06.04.

      (j) US Patent Registration, US 6,326,519, 2001.12.04. “Process for Preparing2,7-dimethyl-2,4,6-octatriene-1,8-dial”

      (k) US Patent Application (2^nd Divisional), US 09/965,059, 2001.09.27.

      (l) US Patent Registration, US 6,403,838, 2002.06.11.

      (m) Korean Patent Registration, KR 0400262, 2003.09.20

      (n) European Patent Registration, EP 1124800, 2004.01.07 (England, France, Germany, Switzerland).

3.“Selective oxidation of sulfides by the use of an oxidant system consisting of LiNbMoO₆ and H₂O₂”

      (a) Korean Patent Application, KR-2000-09701, 2000.02.23.

      (b) Korean Patent Application, KR-2001-10165, 2001.02.21.

      (c) PCT Application, PCT/KR01/00252, 2001. 02. 22, Publication WO 01/62719, 2001.08.30.

      (d) Korean Patent Registration, KR 0422437, 2004.03.02.

4.“General synthetic entry to Carotenoid polyene chain compound”

      (a) Korean Patent Application, KR-2000-10376, 2000.03.02. “A Process for Preparing Carotenoid Polyene Chain Compounds and Intermediates for Preparing the Same”

      (b) PCT Application, PCT/KR00/01375, 2000.11.29, Publication WO 01/64630, 2001.09.07.

      (c) US patent Application, US 10/220,697, 2002.08.30.

      (d) Japanese Patent Application, JP 2001-563473, 2002.09.02.

      (e) European Patent Application, EP 00983496.1, 2002.09.30.

      (f) Chinese Patent Application, CN 00819443.2, 2002.10.18.

      (g) Korean Patent Registration, KR 0365696, 2002.12.09.

      (h) “Carbon chain extending method of allylic sulfide” Korean Patent Application (Divisional), KR 2002-47507, 2002.08.12.

      (i) Korean Patent Registration, KR 0398652, 2003.09.03.

      (j) US patent registration, US 6,747,166, 2004.06.08.

      (k) Japanese Patent Registration, JP 3975434, 2007.06.29.

      (l) European Patent Registration, EP 1283826, 2008.03.26.

5.“Synthesis of the Bicyclo[3.3.1]nonane structure”

      (a) Korean Patent Application, KR 2000-16300, 2000.03.27.

      (b) Korean Patent Registration, KR 0365526, 2002.12.07.

6.“A highly efficient synthetic method of retinoic acid”

      (a) Korean Patent Application, KR 2000-77567,2000.12.01. “Practical and Efficient Synthetic Method of Retinoic Acid and Its Derivatives”

      (b) Korean Patent Application, KR 2001-74530,2001.11.28. “Process for the preparation of retinoic acid compounds and the intermediates required”

      (c) PCT Application, PCT/KR01/02078, 2001.12.01, Publication WO 02/44140,2002.06.06

      (d) Korean Patent Registration, KR 0424735,2004.03.16.

7.“Allylic sulfones containing conjugated polyene moieties, preparation method thereof, and a process for preparing lycopene by using the same compound as an intermediate”

      (a) Korean Patent Application, KR 2001-01454, 2001.01.03.

      (b) Korean Patent Registration, KR 0400261, 2003.09.20.

8.“Practical Synthetic Method for Vitamin A”

      (a) Korean Patent Application, KR 2001-19516, 2001.04.12. “Practical Synthetic Method of Retinoid and Carotenoid Compounds”

      (b) Korean Patent Application, KR 2002-19371, 2002.04.10. “Process for the preparation of retinoid and carotenoid compounds from a common C-15 disulfone compound”

    (c) PCT Application, PCT/KR02/00660, 2002.04.11, Publication WO 02/92560, 2002.11.21.

      (d) Korean Patent Registration, KR 0477899, 2005.03.10.

9.“A Highly Efficient Synthetic Method of 4-Chloro-3-methyl-2-butenyl Phenyl Sulfide and Di(4-chloro-3-methyl-2-butenyl) Sulfide as Key Compounds for Carotenoid Natural Product Syntheses”

      (a) Korean Patent Application, KR-2001-67305, 2001.10.31.

      (b) Korean Patent Application, KR-2002-0066588, 2002.10.30.

      (c) PCT Application, PCT/KR02/02025, 2002.10.30.

      (d) US patent application, US 10/493,712, 2004.04.23.

      (e) Japanese Patent Application, JP 2004-540137, 2004.04.28.

      (f) Chinese Patent Application, CN 02821785.3, 2004.04.30.

      (g) European Patent Application, EP 02788903.9, 2004.05.24.

      (h) Korean Patent Registration, KR 0516743, 2005.09.09.

      (i) Korean Patent Registration (divisional), KR 0536342, 2005.12.06.

      (j) Japanese Patent Registration, JP 4265773, 2009.02.27.

      (k) Japanese Patent Registration, JP 4903774, 2012.01.13.

10.“Practical Synthetic Method of Teprenone”

      (a) Korean Patent Application, KR 2002-8831, 2002.02.19.

      (b) Korean Patent Registration, KR 0524257,2005.10.20.

11.“Synthetic method of the para-hydroquinone compound containing allylic sulfone moiety that can be efficiently utilized for the preparation of coenzyme Q and vitamin K”

      (a) Korean Patent Application, KR 2003-50157, 2003.07.22.

      (b) Korean Patent Registration, KR 0514494, 2005.09.06.

12.“Preparation method of b-carotene”

      (a) Korean Patent Application, KR 2003-93819, 2003.12.19.

      (b) Korean Patent Registration, KR 1081115, 2011.11.01.

13.“An Efficient Preparation Method of Retinol Derivatives and Novel Retinyl Ether Compounds”

      (a) Korean Patent Application, KR 2003-94447,2003.12.22.

      (b) Korean Patent Registration, KR 0569701,2006.04.04.

14.“Preparing method of canthaxanthin”

      (a) Korean Patent Application, KR 2003-0095646, 2003.12.23.

      (b) Korean Patent Registration, KR 1019787, 2011.02.25.

15.“Stereoselective synthetic method of 13-cis-retinoic acid and all-trans-retinoic acid”

      (a) Korean Patent Application, KR 2003-0098676, 2003.12.29.

      (b) Korean Patent Registration, KR 0562771, 2006.03.14.

16.“Carotenoid intermediate compound, preparing method thereof, and method for preparing carotenoid compound, astaxanthin and astacene using the same”

      (a) Korean Patent Application, KR 2004-0000328, 2004.01.05.

      (b) Korean Patent Registration, KR 1088266, 2011.11.23.

17.“An efficient synthetic method of b-carotene”

      (a) Korean Patent Application, KR 2004-78975, 2004.10.05.

      (b) “C₁₀ Dialdehyde, Synthetic Method Thereof, and Synthetic Method of beta-Carotene Using the Same, PCT/KR2005/002273, 2005.07.15.

      (c) Korean Patent Registration, KR 0634884, 2006.10.10.

      (d) US Patent Application, US 11/576,580, 2007.04.03.

      (e) US Patent Registration, US 7,470,822, 2008.12.30.

18.“Stereoselective preparation method of allylic sulfones for carotenoid synthesis”

      (a) Korean Patent Application, KR 2006-0016458,2006.02.20.

      (b) Korean Patent Registration, KR 0730987,2007.06.15.

19.“Dialdehyde compound, preparation method thereof, and synthetic method of carotenoids using the same”

      (a) Korean Patent Application, KR 2006-0050248, 2006.06.05.

      (b) Korean Patent Registration, KR 0733023, 2007.06.21.

      (c) US Patent Application, US 12/308,028, 2008.12.05.

      (d) US Patent Registration, US 7,928,266, 2011.04.19.

      (e) US Patent Application, US 12/308,028, (divisional 1: 13/047,473; divisional 2: 13/047,524; divisional 3: 13/047,535) 2011.03.14.

      (f) US Patent Registration, US 8,158,838, 2012.04.17.

      (g) US Patent Registration, US 8,288,605, 2012.10.16.

20.“Useful intermediates for preparation of coenzyme Q-10, preparation method thereof, and preparation method of coenzyme Q-10 using them”

      (a) Korean Patent Application, KR 2006-0058348, 2006.06.27.

      (b) Korean Patent Registration, KR 0683231, 2007.02.08.

21.“Stable carotenoid molecular wires with variable resistance, and preparation method thereof”

      (a) Korean Patent Application, KR 10-2009-0058120, 2009.06.29.

      (b) Korean Patent Registration, KR 1179280, 2012.08.28.

22.“New functional glycerol derivatives of vitamin E and retinoic acid, and synthetic method of the same”

      (a) Korean Patent Application, KR 10-2011-0062209, 2011.06.27.

      (b) Korean Patent Registration, KR 1261270, 2013.04.30.

23.“Method for preparing carotenoid nanoparticle”

      (a) Korean Patent Application, KR 10-2013-0062777, 2013.05.31.

      (b) Korean Patent Registration, KR 1468308, 2014.11.26.

24. “C5 Sulfone Compound, Method for Preparing the Same, Method for Preparing Crocetin Dinitrile Using the Same, and Use Thereof”

      (a) Korean Patent Application, KR 10-2014-0039906, 2014.04.03.

      (b) Korean Patent Registration, KR 1574719, 2015.11.30.

25.“C5 Benzothiazolyl Sulfone Compound, Method for Preparing the Same, Method for Preparing Apocarotene Dialdehyde Compounds Using the Same, and Its Application to Lycopene Synthesis”

      (a) Korean Patent Application, KR 10-2014-0080647, 2014.06.30.

      (b) US Patent Application, US 14/751,294, 2015.06.26.

      (c) Korean Patent Registration, KR 1566159, 2015.10.30.

      (d) US Patent Registration, US 9,365,561, 2016.06.14.

26.“Synthesis of furan, thiophene, and pyrroles from acetoacetic esters”

      (a) Korean Patent Application, KR 10-2014-0111856, 2014.08.26.

      (b) Korean Patent Registration, KR 1623810, 2016.05.18.

27.“Synthesis of indoles from acetoacetic esters”

      (a) Korean Patent Application, KR 10-2014-0116313, 2014.09.02.

      (b) Korean Patent Registration, KR 1599969, 2016.02.26.

28.“Method for preparing pyrrole-2-carbaldehydes and pyrrolo-lactone using sugars”

      (a) Korean Patent Application, KR 10-2014-0127916, 2014.09.24.

      (b) Korean Patent Registration, KR 1675938, 2016.11.08.

29.“2,7-Diphenylocta-2,4,6-trienedial, method for preparing the same and method for preparing carotenoids containing phenyl substituents using the same”

      (a) Korean Patent Application, KR 10-2017-0082060, 2017.06.28.

      (b) Korean Patent Registration, KR 1937960, 2019.01.07.

30.“Novel pyrrolo-lactone and pyrrole compounds inducing cellular glutathione recovery effect against reactive oxygen species, and method for preparing the same”

      (a) Korean Patent Application, KR 10-2017-0121193, 2017.09.20.

      (b) Korean Patent Registration, KR 1951752, 2019.02.19.

31.“C₂₀ Polyene bis(phosphonate) and method for synthesizing carotenoids using the same”

      (a) Korean Patent Application, KR 10-2018-0010221, 2018.01.26.

      (b) PCT Application, PCT/KR2019/000964, 2019.01.23

      (c) Korean Patent Registration, KR 10-2092655, 2020.03.18.

32.“Bi-heteroaromatic compounds including bifuran, bithiophene, bipyrrole, and method for preparing the same”

      (a) Korean Patent Application, KR 10-2018-0099354, 2018.08.24.

      (b) Korean Patent Application with Priority claimed, KR 10-2019-0055375, 2019.05.13.

33.“Novel intermediates for preparing Norbixin or Bixin ethyl ester and method thereof”

      (a) Korean Patent Application, KR 10-2019-0020099, 2019.02.20.

      (b) Chinese Patent Application, CN 201910615006.2, 2019-07-09.

      (c) US Patent Application, US 16/510,243, 2019.07.12.

      (d) Korean Patent Registration, KR 10-2133791, 2020.07.08.

      (e) US Patent Registration, US 10,800,735, 2020.10.13.

34.“Pyrraline compounds, method for preparing the pyrraline compoumds, pierazin-2-one compounds and method for preparing the piperazine-2-one compounds”

      (a) Korean Patent Application, KR-10-2021-0011404, 2021.01.27.

35.“Novel Glyceride Compound and Preparation Method Thereof”

      (a) Korean Patent Application, KR-10-2021-0074037, 2021.06.08.

(updated by June 2021).