Inventor
Ulrich-Dieter Pessel
Inventor
Heidelberg, DE
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Jprimary
B01JChemical or physical processes, e.g. catalysis or colloid chemistry40%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds40%
C07DHeterocyclic compounds20%
PatentTitleYear
6,037,381'Preparation of polytetrahydrofuran with terminal hydroxyl groups using ion exchangers'20005,981,688'Continuous preparation of polytetrahydrofuran by a transesterification cascade with specific destruction of foam'19994,912,236'Purification of tetrahydrofuran by distillation'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–2000Patents assigned to BASF AG (3)· patent assignee history
1990–2000Based in Heidelberg, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BASF AG | 3 | 1990–2000 |
Locations
| Location | Patents | Span |
|---|---|---|
| Heidelberg, DE | 3 | 1990–2000 |