Inventor
Konrad Stiefenhoefer
Inventor
Ebertsheim, DE
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Gprimary
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds40%
C07DHeterocyclic compounds30%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds20%
F01LCyclically operating valves for machines or engines10%
PatentTitleYear
5,637,664'Polymeric, catalytically active compounds, their preparation, and their use as catalysts in the preparation of polyisocyanates containing uretdione groups'19975,565,527'Polymeric, catalytically active compounds, their preparation, and their use as catalysts in the preparation of polyisocyanates containing uretdione groups'19965,449,775'Imidazole group containing polymeric catalysts their preparation, and their use in the preparation of isocyanates containing uretdione groups'19955,436,336'Preparation of isocyanurate- and/or uretidone-containing polysiocyanates having a reduced color index and improved shelf life, and products prepared by this method'1995Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1995–1997Patents assigned to BASF AG (4)· patent assignee history
1995–1997Based in Ebertsheim, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BASF AG | 4 | 1995–1997 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ebertsheim, DE | 4 | 1995–1997 |