Inventor · disambiguated record
Erhard Luhmann
Also filed as: LUEHMANN ERHARD · LUHMANN ERHARD · LüHMANN ERHARD
29 granted patents·2 pending applications·456 citations·filing 1982–2011
97Inventor score
Top patents by PatentIndex Score
31 records- 0192US5684081ARadiation-curable, aqueous dispersions, production and use thereofWOLFF WALSRODE AG·Filed 1996·Granted Nov 4, 1997·73 cites·3 claims
- 0290US6541536B2Polyurethane dispersionsBAYER AG·Filed 2001·Granted Apr 1, 2003·34 cites·5 claims
- 0389US6521702B1Aqueous polyurethane emulsionsBAYER AG·Filed 2000·Granted Feb 18, 2003·41 cites·17 claims
- 0483US6420478B1Binder compositions and their use in aqueous coating and adhesive compositionsBAYER AG·Filed 2000·Granted Jul 16, 2002·21 cites·15 claims
- 0582US5089586AWater-dispersible allyl urethanes and their use for the production of paintsWOLFF WALSRODE AG·Filed 1989·Granted Feb 18, 1992·29 cites·10 claims
- 0680US6710120B2Polyurethane dispersions based on fatty acid dialkanolamidesBAYER AG·Filed 2003·Granted Mar 23, 2004·17 cites·20 claims
- 0780US4970247AAqueous cellulose ester dispersions and their preparationWOLFF WALSRODE AG·Filed 1989·Granted Nov 13, 1990·31 cites·10 claims
- 0877US6960639B2Radiation-curing coating compositionsBAYER AG·Filed 2003·Granted Nov 1, 2005·13 cites·17 claims
- 0975US4517324AViscous cellulose-containing mixture (paste) and a process for the production of aqueous coating emulsions therefromBAYER AG·Filed 1982·Granted May 14, 1985·25 cites·11 claims
- 1074US6274653B1Bonding agent preparations for paints, the production and use thereofWOLFF WALSRODE AG·Filed 1998·Granted Aug 14, 2001·29 cites·7 claims
- 1173US6583215B2Aqueous 2-component PU systemsBAYER AG·Filed 2001·Granted Jun 24, 2003·12 cites·18 claims
- 1265US5011874ACellulose ester/polymer combinations, and their preparation and useWOLFF WALSRODE AG·Filed 1989·Granted Apr 30, 1991·18 cites·12 claims
- 1357US4933428APolymerizable water soluble bindersWOLFF WALSRODE AG·Filed 1988·Granted Jun 12, 1990·10 cites·10 claims
- 1456US5274067ABinders containing ethylenically unsaturated groups and their use for the production of paintsWOLFF WALSRODE AG·Filed 1991·Granted Dec 28, 1993·16 cites·9 claims
- 1550US6197874B1Polyurethane-polyacrylate hybrid dispersions containing allophanate groupsBAYER AG·Filed 1999·Granted Mar 6, 2001·12 cites·9 claims
- 1648US9321893B2Radiation-curable whipped foamsSOMMER STEFAN·Filed 2011·Granted Apr 26, 2016·0 cites·8 claims
- 1748US4772329AAqueous dispersions based on cellulose nitrates, a process for their production and their use as quick-hardening coatingsBAYER AG·Filed 1986·Granted Sep 20, 1988·10 cites·12 claims
- 1848US4590019AProcesses for the production of free-flowing nitrocelluloseWOLFF WALSRODE AG·Filed 1984·Granted May 20, 1986·5 cites·6 claims
- 1945US5711793ALacquer vehicles in granular form and free from emulsifying agents, and their preparationWOLFF WALSRODE AG·Filed 1996·Granted Jan 27, 1998·12 cites·5 claims
- 2045US5459196AReactive water-emulsifiable binders and their use for the production of lacquersWOLFF WALSRODE AG·Filed 1993·Granted Oct 17, 1995·5 cites·7 claims
- 2143US5510453APolymerizable, highly crosslinking lacquer binders and their use for the production of lacquersWOLFF WALSRODE AG·Filed 1995·Granted Apr 23, 1996·7 cites·9 claims
- 2241US5565504AAqueous reactive microgel dispersions, a method of preparing them and their useWOLFF WALSRODE AG·Filed 1995·Granted Oct 15, 1996·7 cites·3 claims
- 2341US2006240264A1N-methylpyrrolidone-free polyurethane dispersions based on dimethylolpropionic acidBAYER MATERIALSCIENCE AG·Filed 2006·Application pending·0 cites
- 2440US5102976AWater-soluble polymerizable polyestersWOLFF WALSRODE AG·Filed 1991·Granted Apr 7, 1992·7 cites·9 claims
- 2540US2004195731A1Glass fiber reinforced plasticsFiled 2003·Application pending·0 cites
- 2636US5352730ACoating system for materials which swell in waterWOLFF WALSTRODE AG·Filed 1992·Granted Oct 4, 1994·4 cites·15 claims
- 2736US4764548ATile adhesive based on water-dilutable, cellulose-containing pastesWOLFF WALSRODE AG·Filed 1987·Granted Aug 16, 1988·8 cites·15 claims
- 2835US4731121AViscous cellulose-containing mixture (paste) and use thereof in the production of aqueous coating dispersionsWOLFF WALSRODE AG·Filed 1985·Granted Mar 15, 1988·3 cites·6 claims
- 2933US5484826AFree-flowing, quick-dissolving lacquer binder granulesWOLFF WALSRODE AG·Filed 1994·Granted Jan 16, 1996·3 cites·3 claims
- 3033US4659387ANitrocellulose moistened with tertiary alcohols and the use thereof in polyurethane lacquersWOLFF WALSRODE AG·Filed 1985·Granted Apr 21, 1987·2 cites·8 claims
- 3129US5362313ACoating composition and its useWOLFF WALSRODE AG·Filed 1993·Granted Nov 8, 1994·2 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →