Inventor · disambiguated record
Petra Braun
Also filed as: BRAUN PETRA · BRAUN PETRA BARBARA
13 granted patents·8 pending applications·130 citations·filing 1997–2024
89Inventor score
Files withWELLA AG8HERRLEIN MATHIAS KURT3WELLA GERMANY GMBH3HFC PRESTIGE INT HOLDING SWITZERLAND S A R L2HFC PRESTIGE SERVICE GERMANY GMBH2
Top patents by PatentIndex Score
21 records- 0184US11766394B2Multicomponent composition (Michael addition)HFC PRESTIGE INT HOLDING SWITZERLAND S A R L·Filed 2019·Granted Sep 26, 2023·2 cites·10 claims
- 0284US7670391B2Dye-containing pellets for coloring keratin fibersWELLA AG·Filed 2008·Granted Mar 2, 2010·4 cites·11 claims
- 0384US6685926B2Method and composition adjusted to the isoelectric point of hair for conditioning of oxidatively dyed hairWELLA AG·Filed 2001·Granted Feb 3, 2004·21 cites·16 claims
- 0483US6365136B1Compositions for removing or lightening hair colorWELLA AG·Filed 2000·Granted Apr 2, 2002·73 cites·13 claims
- 0582US7458992B2Dye-containing pellets for dyeing keratin fibresWELLA AG·Filed 2004·Granted Dec 2, 2008·16 cites·12 claims
- 0678US7637962B2Multicomponent kit and method for dyeing keratin fibersWELLA AG·Filed 2005·Granted Dec 29, 2009·1 cites·9 claims
- 0773US2025114287A1Color coatings with downstream featuresHFC PRESTIGE SERVICE GERMANY GMBH·Filed 2024·Application pending·0 cites
- 0870US2024065963A1MULTICOMPONENT COMPOSITION (Michael Addition)WELLA INT OPERATIONS SWITZERLAND SARL·Filed 2023·Application pending·0 cites
- 0968US7320711B2Dyestuff for keratin fibersWELLA AG·Filed 2004·Granted Jan 22, 2008·1 cites·8 claims
- 1063US12364657B2Method for coating keratin fibersHFC PRESTIGE SERVICE GERMANY GMBH·Filed 2021·Granted Jul 22, 2025·0 cites·5 claims
- 1162US7648535B2Agent for coloring keratin fibresWELLA AG·Filed 2004·Granted Jan 19, 2010·1 cites·16 claims
- 1262US2025143992A1Vat plus oxidative colorsWELLA GERMANY GMBH·Filed 2023·Application pending·0 cites
- 1359US12337053B2Method and composition for coloring a keratinous substrate using solubilized vat dyesWELLA GERMANY GMBH·Filed 2021·Granted Jun 24, 2025·0 cites·24 claims
- 1456US2007199159A1Dye-containing pellets and their useSCHMENGER JURGEN·Filed 2007·Application pending·0 cites
- 1556US2025049682A1Methods for activation and preparation of keratin fiber coatings, preferably color coatingsWELLA GERMANY GMBH·Filed 2021·Application pending·0 cites
- 1655US12053542B2Multicomponent silicone compositionWELLA INT OPERATIONS SWITZERLAND SARL·Filed 2019·Granted Aug 6, 2024·0 cites·19 claims
- 1751US11904042B2Hair coloring composition and methods for its application and removalHFC PRESTIGE INT HOLDING SWITZERLAND S A R L·Filed 2019·Granted Feb 20, 2024·0 cites·15 claims
- 1847US2023248636A1Methods for preparation of keratin fiber color coatings with a carboxylic acid polymer - cdi compositionHERRLEIN MATHIAS KURT·Filed 2021·Application pending·0 cites
- 1947US2023255876A1Methods for preparation of keratin fiber color coatings with a silicone aza michael compositionHERRLEIN MATHIAS KURT·Filed 2021·Application pending·0 cites
- 2047US2023338262A1Methods for preparation of keratin fiber color coatings with an organic polymer - alkoxysilyl compositionHERRLEIN MATHIAS KURT·Filed 2021·Application pending·0 cites
- 2145US6146429ACarrier composition for oxidative dyeing of hair and method of dyeing hair using sameWELLA AG·Filed 1997·Granted Nov 14, 2000·11 cites·9 claims
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