Inventor
David I. John
Inventor
Epsom, GB
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Dprimary
C07DHeterocyclic compounds100%
PatentTitleYear
4,347,182'Preparation of penicillanic acid derivatives'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982Patents assigned to BEECHAM GROUP LTD (1)· patent assignee history
1982Based in Epsom, GB· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BEECHAM GROUP LTD | 1 | 1982 |
Locations
| Location | Patents | Span |
|---|---|---|
| Epsom, GB | 1 | 1982 |