Inventor · disambiguated record
Frank Alfter
Also filed as: ALFTER FRANK
6 granted patents·2 pending applications·89 citations·filing 1995–2009
83Inventor score
Files withCLARIANT PRODUKTE DEUTSCHLAND2HOECHST AG2WEBER JOACHIM2CLARIANT FINANCE BVI LTD1CLARIANT INT LTD1
Top patents by PatentIndex Score
8 records- 0190US6437104B1Preparation of disazo condensation pigments in microreactorsCLARIANT INT LTD·Filed 2001·Granted Aug 20, 2002·34 cites·12 claims
- 0288US7855041B2Pigment preparation based on an azo pigmentCLARIANT PRODUKTE DEUTSCHLAND·Filed 2006·Granted Dec 21, 2010·16 cites·13 claims
- 0380US7311769B2Pigment compositions consisting of a yellow disazo pigment and an organic pigmentCLARIANT PRODUKTE DEUTSCHLAND·Filed 2004·Granted Dec 25, 2007·14 cites·11 claims
- 0468US5716446AIsoindoline pigments based on aminoquinoxalinedionesHOECHST AG·Filed 1996·Granted Feb 10, 1998·12 cites·12 claims
- 0567US5698705AIsoindoline pigmentsHOECHST AG·Filed 1995·Granted Dec 16, 1997·11 cites·11 claims
- 0664US7999086B2Method of conditioning azo pigments containing carboxylic ester groupsCLARIANT FINANCE BVI LTD·Filed 2009·Granted Aug 16, 2011·2 cites·13 claims
- 0740US2009087769A1Finely divided azo dye and process for producing the sameWEBER JOACHIM·Filed 2006·Application pending·0 cites
- 0832US2009101874A1Pigment compositions consisting of an organic yellow pigment and a phthalocyanine pigmentWEBER JOACHIM·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →