Inventor · disambiguated record
Otto Gottel
Also filed as: GOETTEL OTTO · GOETTEL OTTO R · GOTTEL OTTO · GOTTEL OTTO RICHARD
10 granted patents·1 pending application·110 citations·filing 1977–2018
85Inventor score
Top patents by PatentIndex Score
11 records- 0191US4285497AElectromagnetically actuated valveBURKERT GMBH·Filed 1980·Granted Aug 25, 1981·68 cites·1 claims
- 0281US7393366B2Agents for coloring keratin fibersPROCTER & GAMBLE·Filed 2006·Granted Jul 1, 2008·2 cites·14 claims
- 0376US4937349AProcess for the preparation of 3-[2'H-benzotriazol-(2')-yl]-4-hydroxy-benzenesulfonic acids and the salts thereofCIBA GEIGY CORP·Filed 1988·Granted Jun 26, 1990·12 cites·5 claims
- 0474US4195662AElectromagnetic valve with electric signal generatorBURKERT GMBH·Filed 1977·Granted Apr 1, 1980·27 cites·4 claims
- 0565US10039701B2Permanent hair colorants based on a cream-like carrier and a combination of tris(hydroxymethyl) aminomethane, at least an amino acid and an oxidative dyeHCT—HAIR COSMETIC TECH AG·Filed 2015·Granted Aug 7, 2018·1 cites·19 claims
- 0650US2007033742A1Pyrazole azomethines and colorants containing these compoundsGOTTEL OTTO·Filed 2005·Application pending·0 cites
- 0748US8759589B2Methods of synthesizing 2-Methoxymethyl-1,4-benzenediamineGÖTTEL OTTO RICHARD·Filed 2011·Granted Jun 24, 2014·0 cites·15 claims
- 0848US7405325B2Process for the preparation of 4-hydroxalkylamino-2-nitro-anisolesPROCTER & GAMBLE·Filed 2007·Granted Jul 29, 2008·0 cites·8 claims
- 0941US11298304B2Two component hair treatment kit comprising a hair coloring cream and a developer composition comprising a specific tensioactive compoundLABORATOIRE BIOSTHETIQUE KOSMETIK GMBH & CO KG·Filed 2018·Granted Apr 12, 2022·0 cites·23 claims
- 1029US5702866ADihydrazidesILFORD AG·Filed 1996·Granted Dec 30, 1997·0 cites·27 claims
- 1129US5686222ADihydrazidesILFORD AG·Filed 1996·Granted Nov 11, 1997·0 cites·29 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →