Inventor · disambiguated record
Volker Hederich
Also filed as: HEDERICH VOLKER
15 granted patents·95 citations·filing 1973–1998
91Inventor score
Files withBAYER AG15
Top patents by PatentIndex Score
15 records- 0186US5621027ADyestuffs for bulk dyeing plasticsBAYER AG·Filed 1995·Granted Apr 15, 1997·27 cites·10 claims
- 0285US4222947AAnthrachinone dyestuffsBAYER AG·Filed 1979·Granted Sep 16, 1980·12 cites·4 claims
- 0378US4024144APolycyclic dyestuffsBAYER AG·Filed 1975·Granted May 17, 1977·9 cites·10 claims
- 0471US5800573ABulk dyeing using quinophthalone dyestuffsBAYER AG·Filed 1997·Granted Sep 1, 1998·10 cites·6 claims
- 0566US5530130APhthaloperinone dyestuffsBAYER AG·Filed 1994·Granted Jun 25, 1996·14 cites·5 claims
- 0664US4036862A1-Amino-2-(bromophenoxy-alkoxy)-4-hydroxy anthraquinone dyestuffsBAYER AG·Filed 1975·Granted Jul 19, 1977·6 cites·4 claims
- 0761US4564680AIsoindolazinesBAYER AG·Filed 1983·Granted Jan 14, 1986·6 cites·5 claims
- 0858US3932419AQuinophthalone dyestuffsBAYER AG·Filed 1973·Granted Jan 13, 1976·4 cites·3 claims
- 0954US3963763AAnthraquinone dyestuffsBAYER AG·Filed 1974·Granted Jun 15, 1976·4 cites·5 claims
- 1047US4391606AAzo polyether dyestuffs, formulations of these dyestuffs, their preparation and their useBAYER AG·Filed 1981·Granted Jul 5, 1983·3 cites·16 claims
- 1134US5874582ABulk dyeing using quinophthalone dyestuffsBAYER AG·Filed 1998·Granted Feb 23, 1999·0 cites·2 claims
- 1233US4035398AAnthraquinone dyestuffsBAYER AG·Filed 1975·Granted Jul 12, 1977·0 cites·10 claims
- 1329US4255151AProcess for dyeing and printing cellulose fibresBAYER AG·Filed 1979·Granted Mar 10, 1981·0 cites·3 claims
- 1428US4424160AProcess for the preparation of 1-hydroxy-4-amino-5(8)-nitroanthraquinoneBAYER AG·Filed 1982·Granted Jan 3, 1984·0 cites·5 claims
- 1528US3959315AAnthraquinone dyestuffsBAYER AG·Filed 1974·Granted May 25, 1976·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →