Inventor
Matthias Niedenbrueck
Inventor
Limburgerhof, DE
Overview
Patents· 6 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. pigments63%
C07CAcyclic or carbocyclic compounds25%
D06PDyeing or printing textiles13%
PatentTitleYear
5,525,743'Preparation of anthraquinone imide compounds'19965,505,743'Vat dyes'19965,401,846'Preparation of 5-halo-2-(1-anthraquinonylamino)-benzoic acids and 4\'-halo-2,1(N)-anthraquinonyl-1\',2\'(N)-benzacridones'19955,367,074'Preparation of 7,16-dichlorodianthraquinone-N,N\'-dihydroazine'19945,334,734'Vat dyes'19945,231,171'Reactive dyes having an allylsulfonyl or propargylesulfonyl group'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–1996Patents assigned to BASF AG (6)· patent assignee history
1993Based in Ludwigshafen, DE· patent location history
1994–1996Based in Limburgerhof, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BASF AG | 6 | 1993–1996 |
Locations
| Location | Patents | Span |
|---|---|---|
| Limburgerhof, DE | 5 | 1994–1996 |
| Ludwigshafen, DE | 1 | 1993 |