Inventor · disambiguated record
Walter Fischer
Also filed as: FISCHER WALTER · FISCHER WALTER H
80 granted patents·6 pending applications·1,123 citations·filing 1976–2016
99Inventor score
Top patents by PatentIndex Score
86 records- 0198US7695643B2Long wavelength shifted benzotriazole UV-absorbers and their useCIBA SC HOLDING AG·Filed 2006·Granted Apr 13, 2010·136 cites·19 claims
- 0297US5432049APhotochromic compositionCIBA GEIGY CORP·Filed 1994·Granted Jul 11, 1995·160 cites·19 claims
- 0390US5488119APolymerisable photochromic naphthacenediones, polymers of these monomers, process for their preparation and the use thereofCIBA GEIGY CORP·Filed 1993·Granted Jan 30, 1996·104 cites·20 claims
- 0490US5001243ASubstituted naphthacene-5, 12-dionesCIBA GEIGY CORP·Filed 1989·Granted Mar 19, 1991·24 cites·10 claims
- 0587US8784853B2Stabilization of household, body-care and food products by using benzotropolone containing plant extracts and/or related benzotropolone derivativesWAGNER BARBARA·Filed 2010·Granted Jul 22, 2014·6 cites·15 claims
- 0687US5407885APhotochromic naphthacenequinones, process for their preparation and the use thereofCIBA GEIGY CORP·Filed 1993·Granted Apr 18, 1995·25 cites·10 claims
- 0787US5395752ALong emission wavelength chemiluminescent compounds and their use in test assaysCIBA CORNING DIAGNOSTICS CORP·Filed 1993·Granted Mar 7, 1995·58 cites·26 claims
- 0886US5702887ALong emission wavelength chemiluminescent compounds and their use in test assaysCHIRON DIAGNOSTICS CORP·Filed 1994·Granted Dec 30, 1997·26 cites·21 claims
- 0985US9458380B25H-furan-2-one derivatives for stabilization of organic materialFISCHER WALTER·Filed 2012·Granted Oct 4, 2016·3 cites·8 claims
- 1085US8598369B2Bi—or tricyclic sterically hindered alkoxyamines and process for their preparationHAUCK STEFAN·Filed 2010·Granted Dec 3, 2013·5 cites·10 claims
- 1185US4385182AThioxanthonecarboxylic acids and thioxanthonecarboxylic acid derivativesCIBA GEIGY CORP·Filed 1981·Granted May 24, 1983·16 cites·6 claims
- 1284US8317141B2TripodFISCHER WALTER H·Filed 2009·Granted Nov 27, 2012·17 cites·8 claims
- 1384US5208354APhotochromic naphthacenequinones, process for their preparation and the use thereofCIBA GEIGY CORP·Filed 1991·Granted May 4, 1993·21 cites·9 claims
- 1483US5623040APolymerisable photochromic naphthacenediones, polymers of these monomers, process for their preparation and the use thereofCIBA GEIGY CORP·Filed 1995·Granted Apr 22, 1997·11 cites·10 claims
- 1583US4681477AInvisible connection for faced parts, in particular for furnitureFISCHER WALTER·Filed 1986·Granted Jul 21, 1987·54 cites·13 claims
- 1682US10113052B25H-furan-2-one derivatives stabilization of organic materialBASF SE·Filed 2016·Granted Oct 30, 2018·1 cites·5 claims
- 1780US4657842APhotosensitive compositions of matter comprising epoxide compounds and functional anthraquinonesCIBA GEIGY CORP·Filed 1985·Granted Apr 14, 1987·13 cites·15 claims
- 1880US4513512AAngle-measuring instrument having an indicator for the degree of angleNESTLE & FISCHER·Filed 1983·Granted Apr 30, 1985·29 cites·9 claims
- 1979US4681950AThioxanthone derivativesCIBA GEIGY CORP·Filed 1985·Granted Jul 21, 1987·12 cites·8 claims
- 2078US8471031B2Process for the preparation of sterically hindered nitroxyl ethersSCHOENING KAI-UWE·Filed 2007·Granted Jun 25, 2013·6 cites·13 claims
- 2178US5206395APhotochromic naphthacenequinones, process for their preparation and the use thereofCIBA GEIGY CORP·Filed 1992·Granted Apr 27, 1993·15 cites·7 claims
- 2277US5177227APhotochromic naphthacenequinones, process for their preparation and the use thereofCIBA GEIGY CORP·Filed 1991·Granted Jan 5, 1993·29 cites·12 claims
- 2376US8119778B2Reversibly thermochromic compositionsFISCHER WALTER·Filed 2007·Granted Feb 21, 2012·6 cites·15 claims
- 2476US4363917A3,5-Disubstituted phthalic acid imides, phthalic acids and phthalic acid anhydridesCIBA GEIGY CORP·Filed 1981·Granted Dec 14, 1982·10 cites·9 claims
- 2575US6465601B1Transaminated dialkylaminoalkylphenol-3° and 1° amine-containing compoundVANTICO INC·Filed 1999·Granted Oct 15, 2002·28 cites·27 claims
- 2674US4459414ATetrasubstituted phthalic acid derivatives, and a process for their preparationCIBA GEIGY CORP·Filed 1982·Granted Jul 10, 1984·7 cites·9 claims
- 2771US9039946B2Reversibly thermochromic compositionsFISCHER WALTER·Filed 2006·Granted May 26, 2015·2 cites·13 claims
- 2871US7223820B2Amine hardener for epoxy resinsHUNTSMAN ADV MAT AMERICAS INC·Filed 2004·Granted May 29, 2007·5 cites·15 claims
- 2967US5310909APhotochromic compounds, a process for their preparation, and their useCIBA GEIGY CORP·Filed 1990·Granted May 10, 1994·9 cites·15 claims
- 3066US5177218APhotochromic benzothioxanthone oxides, process for their preparation and the use thereofCIBA GEIGY CORP·Filed 1991·Granted Jan 5, 1993·16 cites·12 claims
- 3166US4981962ASubstituted tetrathiotetracenes and tetraselenotetracenesCIBA GEIGY CORP·Filed 1989·Granted Jan 1, 1991·7 cites·12 claims
- 3266US2011017611A1Oxygen-scavenging mixturesBASF SE·Filed 2008·Application pending·0 cites
- 3365US6984421B2Encapsulation for an electrical component and method for producing the sameEPCOS AG·Filed 2001·Granted Jan 10, 2006·10 cites·16 claims
- 3465US5879894ALong emission wavelength chemiluminescent compounds and their use in test assaysCHIRON DIAGNOSTICS CORP·Filed 1994·Granted Mar 9, 1999·21 cites·13 claims
- 3564US6107451AHardener for anhydride group-containing polymersCIBA SC HOLDING AG·Filed 1998·Granted Aug 22, 2000·9 cites·9 claims
- 3664US4951141AMethod of determining the transmission function of a video cameraROHDE & SCHWARZ·Filed 1989·Granted Aug 21, 1990·18 cites·11 claims
- 3764US4927865AAnthraquinoylcarboxylic acid hydrazides, curable compositions and use thereofCIBA GEIGY CORP·Filed 1989·Granted May 22, 1990·6 cites·9 claims
- 3864US4585876ANovel xanthones and thioxanthonesCIBA GEIGY CORP·Filed 1983·Granted Apr 29, 1986·17 cites·7 claims
- 3964US4560643AUse of photosensitive compositions of matter for electroless deposition of metalsCIBA GEIGY CORP·Filed 1983·Granted Dec 24, 1985·16 cites·20 claims
- 4063US9663442B2Stabilization of household, body-care and food products by using benzotropolone containing plant extracts and/or related benzotropolone derivativesBASF SE·Filed 2014·Granted May 30, 2017·0 cites·15 claims
- 4163US5481002AAzolyl thermochromic compoundsCIBA GEIGY CORP·Filed 1993·Granted Jan 2, 1996·10 cites·14 claims
- 4263US5112977ASubstituted naphthacene-5,12-dionesCIBA GEIGY CORP·Filed 1989·Granted May 12, 1992·6 cites·9 claims
- 4362US4134183AGripping collarFISCHER WALTER·Filed 1976·Granted Jan 16, 1979·16 cites·6 claims
- 4461US8481726B2Process for the preparation of sterically hindered nitroxyl ethersBASBAS ABDEL-ILAH·Filed 2007·Granted Jul 9, 2013·1 cites·10 claims
- 4561US2013158182A1Oxygen-scavenging mixturesBASF SE·Filed 2013·Application pending·0 cites
- 4660US6759506B1Polymercaptopolyamines as epoxy resin hardenersHUNTSMAN ADV MAT AMERICAS INC·Filed 2000·Granted Jul 6, 2004·4 cites·9 claims
- 4760US5583223AThermochromic compounds, their preparation and the use thereofCIBA GEIGY CORP·Filed 1995·Granted Dec 10, 1996·7 cites·6 claims
- 4859US8809533B2Bi- or tricyclic sterically hindered alkoxyamines and process for their preparationHAUCK STEFAN·Filed 2013·Granted Aug 19, 2014·0 cites·10 claims
- 4959US5229507ASubstituted naphthalocyanines and their useCIBA GEIGY CORP·Filed 1990·Granted Jul 20, 1993·13 cites·10 claims
- 5058US2007208165A1Process for the preparation of benzotriazolesFISCHER WALTER·Filed 2007·Application pending·0 cites
Showing the top 50 of 86 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →