Inventor
Nak C. Jeong
Inventor
Daejeon, KR
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Dprimary
C07DHeterocyclic compounds50%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations25%
C07HSugars25%
PatentTitleYear
6,670,458'Process for preparation of L-ribose using 1,4-lactone'20036,448,415'Chirality conversion method in lactone sugar compounds'20025,493,029'Certain pyridyl-benzopyran derivatives'19965,300,511'Spiro-benzopyran derivatives and useful for treating asthma and hypertension'19945,236,935'Benzopyran derivatives and processes for the preparation thereof'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–1996Patents assigned to KOREA RES INST CHEM TECH (3)· patent assignee history
1993–1996Based in Daejeon, KR· patent location history
2002–2003Patents assigned to HANCHEM CO LTD (2)· patent assignee history
2002–2003Based in Taejeon, KR· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KOREA RES INST CHEM TECH | 3 | 1993–1996 |
| HANCHEM CO LTD | 2 | 2002–2003 |
Locations
| Location | Patents | Span |
|---|---|---|
| Daejeon, KR | 3 | 1993–1996 |
| Taejeon, KR | 2 | 2002–2003 |