Inventor
Engelbert Krempl
Inventor
Burgkirchen, DE
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds50%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry25%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests25%
PatentTitleYear
4,521,595'Process for the purification of esters'19854,219,680'Process for obtaining pure 2-(perfluoroalkyl)-ethanols from their mixtures with 2-(perfluoroalkyl)-ethylenes and possibly 2-(perfluoroalkyl)-ethyl esters'19804,138,437'Process for the preparation of tertiary aliphatic amines'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979–1985Patents assigned to HOECHST AG (3)· patent assignee history
1979–1985Based in Burgkirchen, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HOECHST AG | 3 | 1979–1985 |
Locations
| Location | Patents | Span |
|---|---|---|
| Burgkirchen, DE | 3 | 1979–1985 |