Inventor · disambiguated record
Wolfgang Lotsch
Also filed as: LOTSCH WOLFGANG
25 granted patents·155 citations·filing 1975–1986
96Inventor score
Files withBASF AG25
Top patents by PatentIndex Score
25 records- 0195US4166179AManufacture of organic pigmentsBASF AG·Filed 1977·Granted Aug 28, 1979·23 cites·17 claims
- 0282US4845214AProcess for conditioning isoindoline pigmentsBASF AG·Filed 1986·Granted Jul 4, 1989·16 cites·17 claims
- 0380US4316023AIsoindoline colorantsBASF AG·Filed 1980·Granted Feb 16, 1982·12 cites·5 claims
- 0476US4758663AIsoindoline compoundBASF AG·Filed 1983·Granted Jul 19, 1988·9 cites·1 claims
- 0571US4271301APreparation of pigmentary form isoindolineBASF AG·Filed 1979·Granted Jun 2, 1981·7 cites·11 claims
- 0670US4480097AIsoindoline colorantsBASF AG·Filed 1981·Granted Oct 30, 1984·8 cites·3 claims
- 0769US4525591A2,4-Dioxotetrahydropyrimido-(1,2-a)-benzimidazole substituted isoindoline dyes and their useBASF AG·Filed 1983·Granted Jun 25, 1985·8 cites·9 claims
- 0869US4340735AIsoindoline colorantsBASF AG·Filed 1981·Granted Jul 20, 1982·8 cites·6 claims
- 0966US4645539ATransparent isoindoline pigment having a high color strengthBASF AG·Filed 1984·Granted Feb 24, 1987·7 cites·11 claims
- 1065US4016151APhenyl-substituted phthalazone azo dyes with a coupling component of the phenol, napthol, acetoacetarylide, pyrazolone, quinolone, pyridine, pyrimidone or isoquinolone seriesBASF AG·Filed 1975·Granted Apr 5, 1977·6 cites·9 claims
- 1162US4719300AIsoindoline colorantsBASF AG·Filed 1986·Granted Jan 12, 1988·6 cites·9 claims
- 1261US4599113AIsoindoline pigment having a high color strengthBASF AG·Filed 1984·Granted Jul 8, 1986·6 cites·16 claims
- 1361US4401815AIsoindoline colorantsBASF AG·Filed 1981·Granted Aug 30, 1983·6 cites·8 claims
- 1458US4785114AQuinophthalone dyesBASF AG·Filed 1986·Granted Nov 15, 1988·5 cites·3 claims
- 1555US4371735APreparation of pigments having improved technological propertiesBASF AG·Filed 1980·Granted Feb 1, 1983·4 cites·18 claims
- 1652US4398027APreparation of pigmentary form isoindolineBASF AG·Filed 1980·Granted Aug 9, 1983·4 cites·10 claims
- 1748US4311527AIsoindoline colorantsBASF AG·Filed 1980·Granted Jan 19, 1982·3 cites·11 claims
- 1845US4707548ABisisoindoline pigmentsBASF AG·Filed 1986·Granted Nov 17, 1987·3 cites·11 claims
- 1944US4725685ANovel isoindoline compounds, their metal complexes and their use as pigmentsBASF AG·Filed 1985·Granted Feb 16, 1988·6 cites·13 claims
- 2043US4352932AIsoindoline colorantsBASF AG·Filed 1981·Granted Oct 5, 1982·2 cites·5 claims
- 2142US4723023AIsoindoline dyesBASF AG·Filed 1986·Granted Feb 2, 1988·2 cites·13 claims
- 2242US4356123ASparingly soluble isoinodoline colorantsBASF AG·Filed 1980·Granted Oct 26, 1982·2 cites·9 claims
- 2337US4746740AIsoindoline colorantsBASF AG·Filed 1986·Granted May 24, 1988·1 cites·3 claims
- 2437US4271309AIsoindoline colorantsBASF AG·Filed 1980·Granted Jun 2, 1981·1 cites·4 claims
- 2531US4412949APigments comprising cyanomethylquinazolones coupled to diazo compounds prepared from 1-aminoanthroquinonesBASF AG·Filed 1981·Granted Nov 1, 1983·0 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →