Inventor
Ehrfried Parr
Inventor
Rodenbach, DE
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y10Sprimary
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests30%
C01BNon-metallic elements26%
C11DDetergent compositions26%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry9%
E06BFixed or movable closures for openings in buildings, vehicles, fences or like enclosures in general, e.g. doors, windows, blinds, gates9%
PatentTitleYear
4,620,399'Zeolite granulate, process for its production and use'19864,551,322'Process for preparing zeolite powder of type A (IV)'19854,542,115'Zeolite granulate, process for its production'19854,305,916'Crystalline zeolite powder of type A (III)'19814,303,629'Crystalline zeolite powder of type A (I)'19814,303,626'Crystalline zeolite powder of type A (V)'19814,303,627'Crystalline zeolite powder of type A (VI)'19814,303,628'Crystalline zeolite powder of type A (IV)'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981–1986Patents assigned to DEGUSSA (8)· patent assignee history
1981Patents assigned to HENKEL KGAA (5)· patent assignee history
1981–1986Based in Rodenbach, DE· patent location history
1985Patents assigned to HENKEL KOMMANDELGESELLSCHAFT A (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DEGUSSA | 8 | 1981–1986 |
| HENKEL KGAA | 5 | 1981 |
| HENKEL KOMMANDELGESELLSCHAFT A | 1 | 1985 |
Locations
| Location | Patents | Span |
|---|---|---|
| Rodenbach, DE | 8 | 1981–1986 |