Inventor · disambiguated record
Willi Steckelberg
Also filed as: STECKELBERG WILLI · STECKELBERG WILLI R
23 granted patents·187 citations·filing 1973–1995
95Inventor score
Top patents by PatentIndex Score
23 records- 0185US4871754AAqueous formulation of 1,2-benzisothiazolin-3-oneCASSELLA FARBWERKE MAINKUR AG·Filed 1986·Granted Oct 3, 1989·29 cites·8 claims
- 0284US5383961AWater-soluble sulphur dyes, their preparation and useCASSELLA AG·Filed 1993·Granted Jan 24, 1995·52 cites·20 claims
- 0373US5530093APolycondensates containing phosphinic and phosphonic acid groupsCASSELLA FARBWERKE MAINKUR AG·Filed 1995·Granted Jun 25, 1996·27 cites·15 claims
- 0464US4134970AQuaternary ammonium compounds and their use in hair care compositionsHOECHST AG·Filed 1977·Granted Jan 16, 1979·16 cites·9 claims
- 0554US5374302AWater-insoluble sulphur dyes, their preparation and useCASSELLA AG·Filed 1993·Granted Dec 20, 1994·5 cites·14 claims
- 0653US4595628ASoil repellent fluorinated esters of multi-ring anhydride systemsHOECHST CO AMERICAN·Filed 1984·Granted Jun 17, 1986·11 cites·16 claims
- 0752US4472466ASoil repellent fluorinated esters of multi-ring anhydride systemsHOECHST CO AMERICAN·Filed 1982·Granted Sep 18, 1984·3 cites·17 claims
- 0851US5414128AProcess for the preparation of N-substituted nitro-p-phenylenediaminesCASSELLA AG·Filed 1992·Granted May 9, 1995·4 cites·19 claims
- 0950US4118324AFabric softenersHOECHST AG·Filed 1977·Granted Oct 3, 1978·12 cites·3 claims
- 1049US3930793AProcess for the dyeing of synthetic fiber materials from organic solventsHOECHST AG·Filed 1973·Granted Jan 6, 1976·3 cites·8 claims
- 1147US5110917AWater-soluble trisazo dyesCASSELLA FARBWERKE MAINKUR AG·Filed 1991·Granted May 5, 1992·3 cites·6 claims
- 1243US4918221AProcess for preparing 2,5-dichlorophenylthioglycollic acidCASSELLA AG·Filed 1988·Granted Apr 17, 1990·2 cites·6 claims
- 1340US4881977AWater-soluble yellow monoazo dyestuffsCASSELLA FARBWERKE MAINKUR AG·Filed 1988·Granted Nov 21, 1989·5 cites·10 claims
- 1438US3930794AProcess for the dyeing of synthetic fiber materials from organic solventsHOECHST AG·Filed 1973·Granted Jan 6, 1976·5 cites·8 claims
- 1535US4100078ASecondary etheramine acetates and their use as lubricating agents for synthetic fibersHOECHST AG·Filed 1976·Granted Jul 11, 1978·2 cites·4 claims
- 1634US5174791AProcess for dyeing and printing blend fabrics of polyester and natural fibre materials with disperse dye and polyether-polyester to inhibit soilins with disperse dyeCASSELLA FARBWERKE MAINKUR AG·Filed 1990·Granted Dec 29, 1992·3 cites·9 claims
- 1733US5387716AN4-substituted 1-alkoxy-2-acylamino-4-aminobenzenes, process for their preparation and their useCASSELLA FARBWERKE MAINKUR AG·Filed 1994·Granted Feb 7, 1995·0 cites·5 claims
- 1833US4293306AProcess for the dyeing and printing of hydrophobic synthetic organic fiber materials with water-insoluble azo dyestuffsHOECHST AG·Filed 1980·Granted Oct 6, 1981·1 cites·1 claims
- 1932US5037962Aβ-modification of 1-(2,4-dinitro-6-chloro-phenylazo)-2-propionylamino-4-N-ethylamino-5-(2-methoxy-ethoxy)benzene, its preparation and its useCASSELLA AG·Filed 1989·Granted Aug 6, 1991·0 cites·1 claims
- 2030US5492995APolycondensates containing phosphinic or phosphonic acid groups and siloxane groupsHOECHST AG·Filed 1995·Granted Feb 20, 1996·2 cites·17 claims
- 2130US3961885AProcess for the dyeing of synthetic fibrous materials from organic solvents using azo dyesHOECHST AG·Filed 1973·Granted Jun 8, 1976·1 cites·4 claims
- 2229US3930791AProcess for the dyeing of synthetic fibrous material from organic solventsHOECHST AG·Filed 1973·Granted Jan 6, 1976·0 cites·4 claims
- 2328US5368637AWater-insoluble sulphur dyes, their preparation and useCASSELLA AG·Filed 1993·Granted Nov 29, 1994·1 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →