Inventor · disambiguated record
Norbert Armbrecht
Also filed as: ARMBRECHT NORBERT
2 granted patents·3 citations·filing 1982–1982
44Inventor score
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2 records- 0139US4492653AWater-soluble trisazo dyestuffs on the basis of a combination of naphthalene-, diphenylamine- and pyrazolone derivativesHOECHST AG·Filed 1982·Granted Jan 8, 1985·2 cites·1 claims
- 0226US4485042ADyestuff containing at least three azo bridgesCASSELLA FARBWERKE MAINKUR AG·Filed 1982·Granted Nov 27, 1984·1 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →