Inventor
Walter Zoller
Inventor
Klingenberg, DE
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C09Bprimary
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments31%
C09DCoating compositions, e.g. paints, varnishes or lacquers25%
D06PDyeing or printing textiles13%
D21HPulp compositions13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium6%
PatentTitleYear
5,948,910'Water-soluble perylene dyestuffs, their preparation and their use'19995,882,360'Water-soluble copper phthalocyanine dyestuffs, their preparation and their use'19995,783,710'Benzothioxanthene dyes, their preparation and their use'19985,668,260'Tetrakisazo Compounds, the method of preparation thereof and the process of pyeing'19975,597,387'Water-soluble polyazo dyestuffs'1997Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1997–1998Patents assigned to HOECHST AG (2)· patent assignee history
1997Patents assigned to HOECHT AKTIENGE SELLSCHAFT (1)· patent assignee history
1997–1999Based in Klingenberg, DE· patent location history
1999Patents assigned to CLARIANT GMBH (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CLARIANT GMBH | 2 | 1999 |
| HOECHST AG | 2 | 1997–1998 |
| HOECHT AKTIENGE SELLSCHAFT | 1 | 1997 |
Locations
| Location | Patents | Span |
|---|---|---|
| Klingenberg, DE | 5 | 1997–1999 |