Inventor · disambiguated record
Stefan Bergfried
Also filed as: BERGFRIED STEFAN
4 granted patents·5 pending applications·24 citations·filing 1996–2022
74Inventor score
Files withEVONIK GOLDSCHMIDT GMBH2EVONIK OPERATIONS GMBH2WENK HANS HENNING2EVONIK INDUSTRIES AG1GOLDSCHMIDT AG TH1
Top patents by PatentIndex Score
9 records- 0188US8653289B2Partial esters of a polyglycerol with at least one carboxylic acid and one polyfunctional carboxylic acid, their preparation and useWENK HANS HENNING·Filed 2011·Granted Feb 18, 2014·9 cites·15 claims
- 0283US7847123B2Antimicrobial compositionsEVONIK GOLDSCHMIDT GMBH·Filed 2007·Granted Dec 7, 2010·6 cites·13 claims
- 0375US8420137B2Bioactive composition for cosmetic applicationsWENK HANS HENNING·Filed 2011·Granted Apr 16, 2013·3 cites·12 claims
- 0462US2024034843A1Emulsifier systemEVONIK OPERATIONS GMBH·Filed 2021·Application pending·0 cites
- 0558US2024294700A1Urethane compounds for finishing textile sheet materials in a fluorine-free mannerEVONIK OPERATIONS GMBH·Filed 2022·Application pending·0 cites
- 0656US2009104294A1Bioactive composition for cosmetic applicationsEVONIK GOLDSCHMIDT GMBH·Filed 2008·Application pending·0 cites
- 0752US5654457AMethod for synthesizing alkyl tin fluoridesGOLDSCHMIDT AG TH·Filed 1996·Granted Aug 5, 1997·6 cites·6 claims
- 0842US2006198859A1Compositions with a depot effect for controlling microorganismsGOLDSCHMIDT GMBH·Filed 2005·Application pending·0 cites
- 0939US2015118173A1Formulation comprising caprylic acid ethanolamide and/or capric acid ethanolamide in combination with an aluminium salt and its useEVONIK INDUSTRIES AG·Filed 2013·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →