Inventor · disambiguated record
Holger Heidenreich
Also filed as: HEIDENREICH HOLGER
18 granted patents·104 citations·filing 1982–2011
93Inventor score
Top patents by PatentIndex Score
18 records- 0164US5017498AIndicator compounds, method of their preparation and use of those compounds in an iron assay systemMILES INC·Filed 1989·Granted May 21, 1991·5 cites·5 claims
- 0264US4524123AChelatable 4-thienyl imidazole azo dyes, their use in color photographic recording materialAGFA GEVAERT AG·Filed 1984·Granted Jun 18, 1985·7 cites·2 claims
- 0362US4770809AAzo dyestuffs and liquid crystal material containing azo dyestuffsBAYER AG·Filed 1986·Granted Sep 13, 1988·16 cites·6 claims
- 0460US4988616AMethod for detecting hydrogen peroxide employing triaryl- and trihetarylmethane derivatives as redox indicatorsBAYER AG·Filed 1989·Granted Jan 29, 1991·19 cites·7 claims
- 0560US4711954A3-thienylazo dyes with a gamma-acid couplerBAYER AG·Filed 1986·Granted Dec 8, 1987·6 cites·4 claims
- 0660US4418143AColor photographic recording materialAGFA GEVAERT AG·Filed 1982·Granted Nov 29, 1983·6 cites·5 claims
- 0756US4931579AIndicators for the detection of thiol groupsMILES INC·Filed 1989·Granted Jun 5, 1990·12 cites·2 claims
- 0852US6342162B1Removal of heavy metal ions from aqueous mediaBAYER AG·Filed 1998·Granted Jan 29, 2002·16 cites·6 claims
- 0948US4786729ABenzimidazolo-quinazolinesBAYER AG·Filed 1987·Granted Nov 22, 1988·5 cites·4 claims
- 1047US4921872AAcaricidal agents based on azomethines of 2,3-diaminomaleic acid nitrileBAYER AG·Filed 1988·Granted May 1, 1990·3 cites·12 claims
- 1143US4579817AColor photographic recording material containing dye-releasers releasing 6-arylazo-2-amino-3-pyridinol dyes which are chelatable with metal ionsAGFA GEVAERT AG·Filed 1984·Granted Apr 1, 1986·3 cites·4 claims
- 1242US9090006B2Damping element with connecting substanceHEIDENREICH HOLGER·Filed 2011·Granted Jul 28, 2015·0 cites·4 claims
- 1342US4897419APest-combating agents based on derivatives of 2,3-diaminomaleonitrileBAYER AG·Filed 1988·Granted Jan 30, 1990·2 cites·4 claims
- 1439US4962019AIndicators for the detection of thiol groupsMILES INC·Filed 1990·Granted Oct 9, 1990·1 cites·5 claims
- 1536US4579805AColor photographic recording material containing a thiophene azo dye releaser for cyan dyesAGFA GEVAERT AG·Filed 1984·Granted Apr 1, 1986·2 cites·6 claims
- 1633US5070198AAs-triazine compoundsMILES INC·Filed 1990·Granted Dec 3, 1991·0 cites·1 claims
- 1730US5248812AProcess for the isolation of 2-naphthylamine-1,5-disulphonic acidBAYER AG·Filed 1992·Granted Sep 28, 1993·0 cites·11 claims
- 1830US4994570AIndicators for the detection of thiol groupsMILES INC·Filed 1990·Granted Feb 19, 1991·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →