Inventor
Horst Ziche
Inventor
Dusseldorf, DE
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Bprimary
C08BPolysaccharides38%
C11DDetergent compositions25%
C04BLime, magnesia13%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds13%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds13%
PatentTitleYear
4,880,898'Water-soluble polycondensates based on fatty acids, dialkanolamine and maleic anhydride, a process for their production, hydraulic compositions containing them and their use'19894,364,836'Process for the removal of alkali metal halides from cellulose ethers soluble in cold water and use of the purified products in washing and cleansing agent compositions'19824,296,235'Process for the removal of alkali metal halides from cellulose ethers soluble in cold water and use of the purified products in washing and cleansing agent compositions'19813,997,508'Improvements in treatment of high-molecular-weight water-soluble compounds with glyoxal'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976Patents assigned to HENKEL & CIE GMBH (1)· patent assignee history
1976–1982Based in Dusseldorf, DE· patent location history
1981–1989Patents assigned to HENKEL KGAA (3)· patent assignee history
1989Based in Duesseldorf, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HENKEL KGAA | 3 | 1981–1989 |
| HENKEL & CIE GMBH | 1 | 1976 |
Locations
| Location | Patents | Span |
|---|---|---|
| Dusseldorf, DE | 3 | 1976–1982 |
| Duesseldorf, DE | 1 | 1989 |