Inventor · disambiguated record
Frank Prokschy
Also filed as: PROKSCHY FRANK
7 granted patents·59 citations·filing 1986–2002
83Inventor score
Top patents by PatentIndex Score
7 records- 0188US4986852APigments and use thereofHOECHST AG·Filed 1988·Granted Jan 22, 1991·31 cites·5 claims
- 0272US7307170B2Epindolidione pigmentsCLARIANT FINANCE BVI LTD·Filed 2002·Granted Dec 11, 2007·6 cites·10 claims
- 0372US4881980APigments of the quinacridonequinone series, processes for their preparation and their useHOECHST AG·Filed 1987·Granted Nov 21, 1989·10 cites·12 claims
- 0459US4758664AProcess for the preparation of linear quinacridonesHOECHST AG·Filed 1986·Granted Jul 19, 1988·6 cites·11 claims
- 0545US5055580ASubstituted polycylic derivatives of the 9-oxo-1,9a,10-triaza-9-hydroanthracene and method for coloring of native or synthetic materialsHOECHST AG·Filed 1989·Granted Oct 8, 1991·2 cites·3 claims
- 0645US4693753APigments of the quinacridonequinone series, process for their preparation and their useHOECHST AG·Filed 1986·Granted Sep 15, 1987·3 cites·5 claims
- 0738US4937345AProcess for the preparation of 2-(arylamino)-3-carboxy-9(10H)-acridonesHOECHST AG·Filed 1988·Granted Jun 26, 1990·1 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →