Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6710215 | Method of a simultaneous preparation of hexafluoropropylene and octafluorocyclobutane | Dong Ju Moon, Young Soo Kwon, Byoung Sung Ahn | 2004-03-23 |
| 6592773 | Refrigerant mixture comprising difluromethane, pentafluroethane and 1,1,1-trifluoroethane | Byung Gwon Lee, Jong-Sung Lim, Kun You Park, Seong Joon Cho | 2003-07-15 |
| 6524495 | Refrigerant mixture comprising difluromethane, pentafluroethane and 1,1,1-trifluoroethane | Byung Gwon Lee, Jong-Sung Lim, Kun You Park, Seong Joon Cho | 2003-02-25 |
| 6476088 | Polyolefin foam beads having high density crust and method for manufacturing the same | Nak Joong Kim | 2002-11-05 |
| 6403662 | Continuous process for manufacturing polyolefin foam beads | Nak Joong Kim | 2002-06-11 |
| 6403848 | Preparation of hexafluoropropylene from the pyrolysis of trifluoromethane and tetrafluoroethylene | Dong Ju Moon, Hong Gon Kim, Byoung Sung Ahn, Young Soo Kwon | 2002-06-11 |
| 6306349 | Catalyst characterization apparatus | Dong Ju Moon, Kun You Park, Byoung Sung Ahn | 2001-10-23 |
| 6127575 | Process for preparing n,n'-disubstituted urea using selenium-based catalyst | Hoon Kim, Yong Jin Kim, Hyun Joo Lee, Sang Deuk Lee | 2000-10-03 |
| 6075167 | Method for preparing cycloaliphatic diamines from aromatic diamines | Hoon Kim, Kun Yu Park, Young Soo Kwon, Byung Gwon Lee | 2000-06-13 |
| 5959166 | Method for concurrently producing different hydrofluoro carbons | Hoon Kim, Kun You Park, Young Soo Kwon | 1999-09-28 |
| 5841007 | Process for manufacturing 1,1,1,2-tetrafluoroethane | Byoung Sung Ahn, Young Soo Kwon, Kun You Park | 1998-11-24 |
| 5723700 | Method for concurrently producing 1,1,1,2-tetrafluoroethane and pentafluoroethane | Byung Gwon Lee, Hoon Kim, Honggon Kim, Sang Deuk Lee | 1998-03-03 |
| 5716592 | Cerous chloride-chromic oxide catalyst for producing chlorine, methods for producing the same and a method for producing chlorine | Byoung Sung Ahn, Dong Ju Moon, Kun You Park | 1998-02-10 |
| 5663112 | Cerous chloride-chromic oxide catalyst for producing chlorine, methods for producing the same and a method for producing chlorine | Byoung Sung Ahn, Dong Ju Moon, Kun You Park | 1997-09-02 |
| 5659094 | Process for co-producing 1,1,1,2-tetrafluoroethane pentafluoroethane and 1,1,1-trifluoroethane | Hoon Kim, Byung Gwon Lee, Honggon Kim | 1997-08-19 |
| 5571770 | Catalyst for fluorination of 1,1,1,-trifluoro-2,2-dichloroethane and method for preparing the same | Hoon Kim, Byung Gwon Lee, Hyun Joo Lee | 1996-11-05 |