Inventor
Stephan Kleemann
Inventor
Schriesheim, DE
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A01Nprimary
A01NPreservation of bodies of humans or animals or plants or parts thereof20%
C01BNon-metallic elements20%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium20%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds20%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds20%
PatentTitleYear
4,851,557'Copper-containing polymers, a process for their preparation and their use as fungicides'19894,828,766'Process for the preparation of vinyldiphosphonic acid and salts thereof'19894,780,293'Process for the production of Maddrell\'s salt'19884,775,385'Process for dyeing leathers, water-soluble cationic polymers suitable for that purpose, and process for their preparation'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988–1989Patents assigned to BENCKISER KNAPSACK GMBH (4)· patent assignee history
1988–1989Based in Schriesheim, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BENCKISER KNAPSACK GMBH | 4 | 1988–1989 |
Locations
| Location | Patents | Span |
|---|---|---|
| Schriesheim, DE | 4 | 1988–1989 |