Inventor
Claudia Kräh
Inventor
Mutterstadt, 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. pigments45%
G01NInvestigating or analysing materials by determining their chemical or physical properties18%
B41MPrinting, duplicating, marking, or copying processes9%
C10LFuels not otherwise provided for9%
C10MLubricating compositions9%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
PatentTitleYear
6,903,197'Azoxy dyes and copper complexes thereof'20056,727,351'Azoxy dyes and their Cu complexes'20046,616,712'Use of compositions containing bisazo compounds for detecting fissures'20036,302,924'Dye mixtures containing thienyl and/or thiazolazo dyes'20015,827,332'Azo dyes and a method of making a hydrocarbon using an azo dye'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998–2005Patents assigned to BASF AG (5)· patent assignee history
1998–2005Based in Mutterstadt, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BASF AG | 5 | 1998–2005 |
Locations
| Location | Patents | Span |
|---|---|---|
| Mutterstadt, DE | 5 | 1998–2005 |