Inventor · disambiguated record
Ludwig Schieferstein
Also filed as: SCHIEFERSTEIN LUDWIG
27 granted patents·7 pending applications·525 citations·filing 1982–2010
97Inventor score
Files withHENKEL KGAA23COGNIS DEUTSCHLAND GMBH3SCHIEFERSTEIN LUDWIG2COGNIS IP MAN GMBH1MERLET STEPHANIE1
Top patents by PatentIndex Score
34 records- 0192US4784789ALiquid aqueous cleaning preparations for hard surfacesHENKEL KGAA·Filed 1987·Granted Nov 15, 1988·80 cites·16 claims
- 0291US6251849B1Cleaning agent for hard surfaces based on cationic polymer soil-release compoundsHENKEL KGAA·Filed 1996·Granted Jun 26, 2001·82 cites·35 claims
- 0388US4814101AZwitterionic polymers and their use in hair treatment preparationsHENKEL KGAA·Filed 1988·Granted Mar 21, 1989·98 cites·22 claims
- 0487US7318929B2Cosmetic preparationsCOGNIS DEUTSCHLAND GMBH·Filed 2002·Granted Jan 15, 2008·29 cites·18 claims
- 0583US8334357B2Thickening agent based on polyurethaneSCHIEFERSTEIN LUDWIG·Filed 2005·Granted Dec 18, 2012·9 cites·16 claims
- 0678US5500475APolyurethane-based thickenersHENKEL KGAA·Filed 1992·Granted Mar 19, 1996·24 cites·36 claims
- 0776US6025314AClear-rinsing agents with cationic polymersHENKEL KGAA·Filed 1996·Granted Feb 15, 2000·34 cites·3 claims
- 0874US8580287B2Oil-based agrochemical compositions with increased viscosityMERLET STEPHANIE·Filed 2010·Granted Nov 12, 2013·2 cites·17 claims
- 0970US4685931AAcrylate dispersion and its use for thickening hydrogen peroxide preparationsHENKEL KGAA·Filed 1985·Granted Aug 11, 1987·29 cites·24 claims
- 1066US4859721AAdducts of carboxylic acids and isocyanates with epoxides, aqueous dispersions containing these adducts, processes for their preparation and their use in the autophoretic coating of metallic surfacesHENKEL KGAA·Filed 1988·Granted Aug 22, 1989·16 cites·41 claims
- 1159US4772289APrimer for leather finishesHENKEL KGAA·Filed 1987·Granted Sep 20, 1988·11 cites·7 claims
- 1258US5501707AAqueous dispersions of new amphiphilic co-oligomers for the washing- and cleaning-resistant oiling of leather and skins and their useHENKEL KGAA·Filed 1992·Granted Mar 26, 1996·12 cites·20 claims
- 1356US5358988AWater-in-oil emulsionsHENKEL KGAA·Filed 1991·Granted Oct 25, 1994·11 cites·20 claims
- 1456US4618582AProcess for producing Xanthomonas biopolymersHENKEL KGAA·Filed 1982·Granted Oct 21, 1986·9 cites·10 claims
- 1553US5286346ADeinking of wastepaper with quaternized hydroxyethyl celluloseHENKEL KGAA·Filed 1988·Granted Feb 15, 1994·7 cites·3 claims
- 1652US5006621ACo-polymers of long chain alkyl acrylates with N-containing olefins and their use as flow improvers for crude oilsHENKEL KGAA·Filed 1989·Granted Apr 9, 1991·9 cites·15 claims
- 1752US2010130644A1Use of Adducts of Ethylene and/or Propylene Oxide with Fatty Alcohols as CoalescentsCOGNIS IP MAN GMBH·Filed 2009·Application pending·0 cites
- 1851US5863461AWater-in-oil emulsionsHENKEL KGAA·Filed 1995·Granted Jan 26, 1999·13 cites·9 claims
- 1947US2004105836A1Cosmetic preparationsFiled 2002·Application pending·0 cites
- 2046US7214730B2Dispersant compositions containing glycerol carbonate and polyester-based dispersantsCOGNIS DEUTSCHLAND GMBH·Filed 2002·Granted May 8, 2007·0 cites·19 claims
- 2145US6126921AHair treatment formulations containing a water-insoluble polymer having a glass transition temperature of -20° C. to 70° C.HENKEL KGAA·Filed 1995·Granted Oct 3, 2000·11 cites·5 claims
- 2243US2005017219A1Dispersant compositions containing a diisobutyl ester of a dicarboxylic acid and a polyurethane-based dispersantFiled 2002·Application pending·0 cites
- 2342US2005187342A1Polyurethane-based thickenersFiled 2005·Application pending·0 cites
- 2442US2005257325A1Aqueous dispersions for hydrophobically finishing fibres and flat textile materialsCOGNIS DEUTSCHLAND GMBH·Filed 2003·Application pending·0 cites
- 2541US5959013AProduction of thickening agents in liquid stateHENKEL KGAA·Filed 1996·Granted Sep 28, 1999·8 cites·16 claims
- 2640US6365234B1Polymerizable, chromium-free, organic coatings for metalHENKEL KGAA·Filed 1998·Granted Apr 2, 2002·7 cites·18 claims
- 2740US5238533AFlotation process for removing fillers from wastepaper in the presence of polymers and copolymersHENKEL KGAA·Filed 1990·Granted Aug 24, 1993·4 cites·20 claims
- 2840US4946471AAdhesion promoter for leather finishingHENKEL KGAA·Filed 1989·Granted Aug 7, 1990·4 cites·20 claims
- 2940US2004254278A1Castable compositionsFiled 2002·Application pending·0 cites
- 3036US4650602ABlock-copolymeric polyglycol ethers as solution promoters for oil-soluble perfume oilsHENKEL KGAA·Filed 1985·Granted Mar 17, 1987·4 cites·8 claims
- 3134US5610242AProcess for modifying polymersHENKEL KGAA·Filed 1993·Granted Mar 11, 1997·3 cites·20 claims
- 3231US6180705B1Polyacrylamide with low molecular weightHENKEL KGAA·Filed 1996·Granted Jan 30, 2001·5 cites·13 claims
- 3330US5932629AAnion-based aqueous printing inks with improved deinkabilityHENKEL KGAA·Filed 1994·Granted Aug 3, 1999·4 cites·18 claims
- 3430US2007155924A1Starter systems IISCHIEFERSTEIN LUDWIG·Filed 2004·Application pending·0 cites
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