Inventor · disambiguated record
Wolfgang Tronich
Also filed as: TRONICH WOLFGANG
17 granted patents·91 citations·filing 1973–1995
92Inventor score
Files withHOECHST AG17
Top patents by PatentIndex Score
17 records- 0184US4018791AProcess for the preparation of highly pure halogenated phthalocyanine pigmentHOECHST AG·Filed 1973·Granted Apr 19, 1977·12 cites·2 claims
- 0277US5136043AProcess for the preparation of aromatic sulfonyl chloridesHOECHST AG·Filed 1991·Granted Aug 4, 1992·16 cites·6 claims
- 0374US4224222AProcess for preparing copper phthalocyanine pigments of the α-modificationHOECHST AG·Filed 1978·Granted Sep 23, 1980·8 cites·4 claims
- 0471US4246196ADiaminophenyl ureasHOECHST AG·Filed 1979·Granted Jan 20, 1981·8 cites·10 claims
- 0564US4169851AProcess for the manufacture of acetoacetyl-aminobenzenesHOECHST AG·Filed 1978·Granted Oct 2, 1979·6 cites·6 claims
- 0659US4010180AProcess for the purification of copper phthalocyanineHOECHST AG·Filed 1973·Granted Mar 1, 1977·4 cites·6 claims
- 0757US4990673AProcess for the preparation of 4,4'-dinitrodiphenylamineHOECHST AG·Filed 1989·Granted Feb 5, 1991·5 cites·4 claims
- 0856US5539114AProcess for the preparation of substituted quinazoline-2,4,-dionesHOECHST AG·Filed 1994·Granted Jul 23, 1996·6 cites·14 claims
- 0955US3984433AProcess for preparing copper phthalocyanine pigments of the α-modificationHOECHST AG·Filed 1973·Granted Oct 5, 1976·13 cites·4 claims
- 1052US4254054AProcess for the manufacture of 4-nitro-4'-amino-diphenylamine-2-sulfonic acid and 2-nitro-4'-amino-diphenylamine-4-sulfonic acidHOECHST AG·Filed 1979·Granted Mar 3, 1981·3 cites·10 claims
- 1150US4507491AProcess for preparing 1-nitrobenzene-2-alkyloxycarbonyl-5-carboxylic acidsHOECHST AG·Filed 1982·Granted Mar 26, 1985·4 cites·6 claims
- 1240US5559257AProcess for the preparation of tetrachloro-1,4-benzoquinoneHOECHST AG·Filed 1995·Granted Sep 24, 1996·2 cites·19 claims
- 1340US4552970ASolvated salts of dinitrophenylcyanamides, and a process for the preparation thereofHOECHST AG·Filed 1984·Granted Nov 12, 1985·1 cites·3 claims
- 1439US5446190AProcess for the preparation of alkyl fluorobenzoates in high purity and high yieldHOECHST AG·Filed 1994·Granted Aug 29, 1995·2 cites·17 claims
- 1537US4410707AProcess for the manufacture of 3-amino-1-phenylpyrazol-5-oneHOECHST AG·Filed 1981·Granted Oct 18, 1983·1 cites·11 claims
- 1634US4316861AN-Nitroaryl-N-halosulfonyl ureasHOECHST AG·Filed 1979·Granted Feb 23, 1982·0 cites·4 claims
- 1723US5292932AProcess for the preparation of 5-chloro-2-hydroxy-4-alkyl-benzenesulfonic acidsHOECHST AG·Filed 1990·Granted Mar 8, 1994·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →