Inventor · disambiguated record
Ludwig Hasemann
Also filed as: HASEMANN LUDWIG
9 granted patents·4 pending applications·38 citations·filing 2000–2008
84Inventor score
Top patents by PatentIndex Score
13 records- 0175US7416593B2Mono azo dyesCLARIANT FINANCE BVI LTD·Filed 2003·Granted Aug 26, 2008·14 cites·9 claims
- 0273US6844428B2Use of disazo compoundsCLARIANT FINANCE BVI LTD·Filed 2001·Granted Jan 18, 2005·9 cites·17 claims
- 0363US6302923B1Triphendioxazine compoundsCLARIANT FINANCE BVI LTD·Filed 2000·Granted Oct 16, 2001·5 cites·14 claims
- 0462US7553359B2Stable liquid formulations of anionic dyesCLARIANT FINANCE BVI LTD·Filed 2005·Granted Jun 30, 2009·2 cites·11 claims
- 0561US7153332B2Use of a dyestuff for ink jet printing recording materialsCLARIANT FINANCE BVI LTD·Filed 2002·Granted Dec 26, 2006·5 cites·15 claims
- 0660US7097702B2Acidic mono azo dyestuffsCLARIANT FINANCE BVI LTD·Filed 2002·Granted Aug 29, 2006·3 cites·17 claims
- 0744US8921564B2Basic bisazo compoundsHASEMANN LUDWIG·Filed 2007·Granted Dec 30, 2014·0 cites·14 claims
- 0841US8328925B2Stable liquid formulationHASEMANN LUDWIG·Filed 2008·Granted Dec 11, 2012·0 cites·7 claims
- 0938US2003060608A1Composition for printing recording materialsFiled 2001·Application pending·0 cites
- 1037US2005174410A1Composition for printing recording materialsFiled 2003·Application pending·0 cites
- 1137US2007083040A1Storagestable concentrated aqueous solutions of anionic dis-or tetrazo dyestuffsHASEMANN LUDWIG·Filed 2004·Application pending·0 cites
- 1234US6406525B1Organic compoundsCLARIANT FINANCE BVI LTD·Filed 2001·Granted Jun 18, 2002·0 cites·5 claims
- 1333US2007151479A1Acidic monoazo dyestuffsHASEMANN LUDWIG·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →