Patents

8. Novel Amidation Method

Sukbok Chang, Sangwon Seo, Hyun Ji Jeon, Wongyu Lee

Filing Number 10-2021-0024837, Filing Date: 2021, Feb, 24 (Korea)

7. Novel metal complex, process for producing the same, and method for producing γ-lactam compound using the same

Sukbok Chang, Seung Youn Hong, Yoon Su Park, Yeongyu Hwang, Yeong Bum Kim

6. Method for producing lactam compound, and lactam compound produced thereby

Sukbok Chang, Seung Youn Hong, Yoon Su Park, Yeongyu Hwang, Yeong Bum Kim

Filing Number 11046661, Filing Date: 2021, June, 29 (US)

5. Preparation process of N-sulfonylamide compound in existent of Cu-catalyzed

Sukbok Chang, Seung Hwan Cho, Eun Jeong Yoo, Imhyuck Bae

Filing Number 10-2006-0032485, Filing Date: 2007, May, 10 (Korea)

4. Process for the preparation of N-sulfonylamidine by Cu-catalyzed three component coupling

SukbokChang, Imhyuck Bae, Hoon Han

Filing Number 10-2005-51996, Filing Date: 2007, March, 08 (Korea)

3. Preparation of Esters from Olefins

Sukbok Chang, Sangwon Ko, Youngim Na

Filing Number 10-2002-0030413, Filing Date: 2002, May, 30 (Korea)

2. Preparation of Nitriles from Adoximes

Sukbok Chang, Soon Ha Yang

Filing Number 10-2002-0022006, Filing Date: 2002, April, 22 (Korea)

1. Preparative methods of organosilanols

Sukbok Chnag, Myunghee Lee, Sangwon Ko

Filing Number:10-2001-0015315, Filing Date: 2001, March, 23 (Korea)