Inventor · disambiguated record
Helmut Giesa
Also filed as: GIESA HELMUT
12 granted patents·3 pending applications·4 citations·filing 2004–2017
80Inventor score
Top patents by PatentIndex Score
15 records- 0171US9889321B2Agents for dyeing keratin fibers, containing at least one dimeric, ring-bridged azo dyeHENKEL AG & CO KGAA·Filed 2015·Granted Feb 13, 2018·1 cites·20 claims
- 0266US7081140B2Developer components and their use for dyeing keratinic fibersHENKEL KGAA·Filed 2004·Granted Jul 25, 2006·3 cites·21 claims
- 0355US8551191B2Dicationic 4-aza-1-azoniabicyclo[2.2.2]octanes and agents for colouring keratin-containing fibersHENKEL AG & CO KGAA·Filed 2013·Granted Oct 8, 2013·0 cites·20 claims
- 0450US10251826B2Alkaline agent for lightening hair containing oxidants and special carboxylic acid estersHENKEL AG & CO KGAA·Filed 2017·Granted Apr 9, 2019·0 cites·20 claims
- 0549US10821063B2Method for decolorizing dyed keratinic fibersHENKEL AG & CO KGAA·Filed 2017·Granted Nov 3, 2020·0 cites·10 claims
- 0643US2017319456A1Hair colourants comprising tetraaminopyrimidine derivatesHENKEL AG & CO KGAA·Filed 2015·Application pending·0 cites
- 0742US9636288B2Means for oxidative dyeing of keratin fibers containing novel tetra-substituted derivatives of pyrimidineHENKEL AG & CO KGAA·Filed 2016·Granted May 2, 2017·0 cites·13 claims
- 0841US10413498B2Agents for dyeing keratin fibers, containing at least one dimeric, dicationic azo dye and at least one anionic and/or cationic surfactantHENKEL AG & CO KGAA·Filed 2015·Granted Sep 17, 2019·0 cites·20 claims
- 0941US10004674B2Substituted p-phenylenediamines as new oxidation dye precursor products of the developer typeHENKEL AG & CO KGAA·Filed 2016·Granted Jun 26, 2018·0 cites·14 claims
- 1040US10406089B2Agents for dyeing keratin fibres, containing at least one dimeric, dicationic azo dye with special substitution patternHENKEL AG & CO KGAA·Filed 2015·Granted Sep 10, 2019·0 cites·20 claims
- 1140US10226647B2Agents for dyeing keratin fibers, containing at least one dimeric, dicationic azo dye and at least one anionic surfactantHENKEL AG & CO KGAA·Filed 2015·Granted Mar 12, 2019·0 cites·8 claims
- 1240US9364407B2Hair dye agent comprising aminopyrimidine derivativesHENKEL AG & CO KGAA·Filed 2015·Granted Jun 14, 2016·0 cites·9 claims
- 1339US2004199018A1Bridged p-phenylenediaminesFiled 2004·Application pending·0 cites
- 1428US9364408B2Hair dye agent comprising aminopyrimidine derivativesHENKEL AG & CO KGAA·Filed 2015·Granted Jun 14, 2016·0 cites·16 claims
- 1527US2017281501A14,5-diaminoimidazoles as novel developer-type oxidation dye precursorsHENKEL AG & CO KGAA·Filed 2017·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →