Inventor · disambiguated record
Karl Schmeidl
Also filed as: SCHMEIDL KARL
8 granted patents·86 citations·filing 1976–1993
85Inventor score
Files withBASF AG8
Top patents by PatentIndex Score
8 records- 0193US4952680APreparation of stable solutions of azo dyes of m-phenylenediamine by reaction with formic acidBASF AG·Filed 1988·Granted Aug 28, 1990·56 cites·2 claims
- 0268US4895961APreparation of esterified rhodamine dyesBASF AG·Filed 1988·Granted Jan 23, 1990·9 cites·26 claims
- 0362US4977278APreparation of rhodamine dyes in granule form by direct coolingBASF AG·Filed 1989·Granted Dec 11, 1990·7 cites·4 claims
- 0448US4128623AManufacture of a solution of nitrosylsulfuric acid in sulfuric acidBASF AG·Filed 1978·Granted Dec 5, 1978·8 cites·6 claims
- 0541US4789739APreparation of polyhalocopper phthalocyanine pigments of high color strengthBASF AG·Filed 1987·Granted Dec 6, 1988·2 cites·15 claims
- 0640US5675002APurification of hydrophobic solidsBASF AG·Filed 1993·Granted Oct 7, 1997·2 cites·10 claims
- 0737US4074060AAuramine saltsBASF AG·Filed 1976·Granted Feb 14, 1978·1 cites·4 claims
- 0834US4923972APreparation of liquid formulations of basic azo dyes in carboxylic acid solution and subsequent heatingBASF AG·Filed 1988·Granted May 8, 1990·1 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →