Inventor
Wolfgang Lotsch
Inventor
Beindersheim, DE
Overview
Patents· 26 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. pigments93%
C07DHeterocyclic compounds4%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients4%
PatentTitleYear
4,845,214'Process for conditioning isoindoline pigments'19894,785,114'Quinophthalone dyes'19884,758,663'Isoindoline compound'19884,746,740'Isoindoline colorants'19884,725,685'Novel isoindoline compounds, their metal complexes and their use as pigments'19884,723,023'Isoindoline dyes'19884,719,300'Isoindoline colorants'19884,707,548'Bisisoindoline pigments'19874,645,539'Transparent isoindoline pigment having a high color strength'19874,599,113'Isoindoline pigment having a high color strength'1986RE031986'Manufacture of organic pigments'19854,525,591'2,4-Dioxotetrahydropyrimido-(1,2-a)-benzimidazole substituted isoindoline dyes and their use'19854,480,097'Isoindoline colorants'19844,412,949'Pigments comprising cyanomethylquinazolones coupled to diazo compounds prepared from 1-aminoanthroquinones'19834,401,815'Isoindoline colorants'19834,398,027'Preparation of pigmentary form isoindoline'19834,371,735'Preparation of pigments having improved technological properties'19834,356,123'Sparingly soluble isoinodoline colorants'19824,352,932'Isoindoline colorants'19824,340,735'Isoindoline colorants'19824,316,023'Isoindoline colorants'19824,311,527'Isoindoline colorants'19824,271,309'Isoindoline colorants'19814,271,301'Preparation of pigmentary form isoindoline'19814,166,179'Manufacture of organic pigments'19794,016,151'Phenyl-substituted phthalazone azo dyes with a coupling component of the phenol, napthol, acetoacetarylide, pyrazolone, quinolone, pyridine, pyrimidone or isoquinolone series'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1989Patents assigned to BASF AG (25)· patent assignee history
1977–1989Based in Beindersheim, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BASF AG | 25 | 1977–1989 |
Locations
| Location | Patents | Span |
|---|---|---|
| Beindersheim, DE | 26 | 1977–1989 |