Inventor
Markus Erpenbach
Inventor
Cologne, DE
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C01Bprimary
C01BNon-metallic elements57%
B01DSeparation43%
PatentTitleYear
4,968,490'Spheroidal alkali metal polyphosphates of low apparent density, and apparatus for making them'19904,721,608'Spheroidal alkali metal polyphosphates of low apparent density, and process for making them'19884,717,557'Spheroidal alkali metal polyphosphates of low apparent density, and process for making them'19884,399,114'Process for the dearsenification of polyphosphoric acid'1983Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1983–1990Patents assigned to HOECHST AG (4)· patent assignee history
1983–1990Based in Cologne, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HOECHST AG | 4 | 1983–1990 |
Locations
| Location | Patents | Span |
|---|---|---|
| Cologne, DE | 4 | 1983–1990 |