Inventor
Trygve Gulbrandsen
Inventor
Kolsas, NO
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds100%
PatentTitleYear
7,696,381'Alternative dimerisation reagents for synthesis of iodixanol'2010RE038856'Preparation of tri-iodo benzene compounds'20056,610,885'Process for the preparation of contrast agents'20036,137,006'Preparation of tri-iodo benzene compounds'20005,840,967'Process for the preparation of contrast agents'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998–2000Patents assigned to NYCOMED IMAGING AS (2)· patent assignee history
1998–2003Based in Oslo, NO· patent location history
2000–2010Based in Kolsas, NO· patent location history
2003–2005Patents assigned to AMERSHAM HEALTH AS (2)· patent assignee history
2010Patents assigned to GE HEALTHCARE AS (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AMERSHAM HEALTH AS | 2 | 2003–2005 |
| NYCOMED IMAGING AS | 2 | 1998–2000 |
| GE HEALTHCARE AS | 1 | 2010 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kolsas, NO | 3 | 2000–2010 |
| Oslo, NO | 2 | 1998–2003 |