Inventor
Herbert Lepper
Inventor
Cologne, DE
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds57%
C11CFatty acids from fats, oils or waxes29%
C07BGeneral methods of organic chemistry14%
PatentTitleYear
5,391,783'Process for the production of light-colored pastes of .alpha.-sulfofatty acid alkyl ester alkali metal salts'19954,652,406'Process for the production of fatty acid alkyl esters'19874,608,202'Process for the production of fatty acid esters of short-chain aliphatic alcohols from fats and/or oils containing free fatty acids'19864,520,211'Process for the continuous preparation of polyhydric alcohols'19853,991,117'Process for the production of aldehydes'19763,931,259'Process for the preparation of carboxylic acids'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976Patents assigned to HENKEL & CIE GMBH (2)· patent assignee history
1976Based in Cologne, DE· patent location history
1985–1995Patents assigned to HENKEL KGAA (4)· patent assignee history
1985Based in Muhlheim, DE· patent location history
1986Based in Dusseldorf-Benrath, DE· patent location history
1987Based in Duesseldorf, DE· patent location history
1995Based in Hilden, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HENKEL KGAA | 4 | 1985–1995 |
| HENKEL & CIE GMBH | 2 | 1976 |
Locations
| Location | Patents | Span |
|---|---|---|
| Cologne, DE | 2 | 1976 |
| Hilden, DE | 1 | 1995 |
| Duesseldorf, DE | 1 | 1987 |
| Dusseldorf-Benrath, DE | 1 | 1986 |
| Muhlheim, DE | 1 | 1985 |