Inventor · disambiguated record
Friedrich Schophoff
Also filed as: SCHOPHOFF FRIEDRICH
5 granted patents·30 citations·filing 1986–1992
76Inventor score
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5 records- 0173US4795807APreparation of azo dyestuffs by diazotization and coupling in the presence of an esterCASSELLA FARBWERKE MAINKUR AG·Filed 1987·Granted Jan 3, 1989·13 cites·8 claims
- 0271US4695656AProcess for the preparation of 2,4-dinitrophenyl ethersCASSELLA FARBWERKE MAINKUR AG·Filed 1986·Granted Sep 22, 1987·12 cites·12 claims
- 0340US4686301AProcess for the preparation of 2,4-dinitrophenol alkoxyalkyl ethersHOECHST AG·Filed 1986·Granted Aug 11, 1987·2 cites·1 claims
- 0439US5069682AColor-stable beta-modification of a monoazo dye, a process for its preparation, and its useCASSELLA FARBWERKE MAINKUR AG·Filed 1990·Granted Dec 3, 1991·2 cites·8 claims
- 0530US5288680AProcess for the preparation of finished dyeings which are fast to thermomigration: orange-dyed polyester fabricsCASSELLA FARBWERKE MAINKUR AG·Filed 1992·Granted Feb 22, 1994·1 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →