Inventor · disambiguated record
Walter Meckel
Also filed as: DOLLHAUSEN MANFRED · MECKEL WALTER · PEDAIN JOSEF
52 granted patents·4 pending applications·1,435 citations·filing 1975–2007
99Inventor score
Top patents by PatentIndex Score
56 records- 0198US4092286AProduction of water-dispersible polyurethanes having ionic groups and hydrophilic side chainsBAYER AG·Filed 1976·Granted May 30, 1978·148 cites·16 claims
- 0297US4870129AAdhesive and use of the adhesive for the formation of bondsBAYER AG·Filed 1987·Granted Sep 26, 1989·99 cites·2 claims
- 0397US4292226AProcess for the production of aqueous dispersions or solutions of polyurethane polyureas, and dispersions or solution obtainable by this process and their useBAYER AG·Filed 1979·Granted Sep 29, 1981·98 cites·14 claims
- 0493US5166302AMoisture-curing, nco-reactive polyurethane hotmelt adhesive compositionBAYER AG·Filed 1992·Granted Nov 24, 1992·71 cites·5 claims
- 0592US5998538ASolvent-free, two-component polyurethane adhesive systemsBAYER AG·Filed 1993·Granted Dec 7, 1999·67 cites·7 claims
- 0691US5710233APolyurethane elastomers with reduced gas permeabilityRHEIN CHEMIE RHEINAU GMBH·Filed 1997·Granted Jan 20, 1998·82 cites·9 claims
- 0789US5162457AHot melt adhesivesBAYER AG·Filed 1991·Granted Nov 10, 1992·46 cites·7 claims
- 0888US7635743B2Moisture-curing composition and hot-melt adhesiveBAYER MATERIALSCIENCE AG·Filed 2005·Granted Dec 22, 2009·9 cites·13 claims
- 0987US4857565AProcess for the continuous production of aqueous polyurethane dispersions and their use as a coating composition or as an adhesiveBAYER AG·Filed 1988·Granted Aug 15, 1989·36 cites·6 claims
- 1086US4574147AProcess for the production of polyurethanes, polyurethanes containing terminal aromatic amino groups and their useBAYER AG·Filed 1985·Granted Mar 4, 1986·35 cites·11 claims
- 1185US5252617AExpandable polyurethane powder preparations containing blowing agents and their use for the production of foamed polyurethane moldingsBAYER AG·Filed 1993·Granted Oct 12, 1993·36 cites·10 claims
- 1284US5210170AProcess for stabilizing plastics containing ester groupsBAYER AG·Filed 1991·Granted May 11, 1993·37 cites·17 claims
- 1384US4769436APolyester polyalcohols containing amino and amide groups and poly (urea) urethane produced therefromBAYER AG·Filed 1987·Granted Sep 6, 1988·29 cites·4 claims
- 1483US4985490AMethod of direct manufacture of pigmented polyurethane powderBAYER AG·Filed 1989·Granted Jan 15, 1991·28 cites·26 claims
- 1582US5210127AFree-flowing, thermoplastically processible and post-crosslinkable polyurethane powdersBAYER AG·Filed 1992·Granted May 11, 1993·30 cites·3 claims
- 1682US5190607AMoisture-curing, NCO-reactive polyurethane hotmelt adhesive compositionBAYER AG·Filed 1992·Granted Mar 2, 1993·32 cites·6 claims
- 1782US4910339AIsocyanate derivatives containing carbodiimide groups, a process for their production and their use as additives for aqueous solutions or dispersions of plasticsBAYER AG·Filed 1986·Granted Mar 20, 1990·26 cites·5 claims
- 1881US5407517AHotmelt bonding processBAYER AG·Filed 1991·Granted Apr 18, 1995·29 cites·10 claims
- 1981US5115073ARapidly crystallizing polyurethane systemsBAYER AG·Filed 1990·Granted May 19, 1992·30 cites·9 claims
- 2080US5143995AAdhesives based on polyols and polyisocyanatesBAYER AG·Filed 1991·Granted Sep 1, 1992·30 cites·10 claims
- 2179US7495124B2Process for the production of very pure 2,4′-methylenediphenyl diisocyanateBAYER MATERIALSCIENCE AG·Filed 2005·Granted Feb 24, 2009·10 cites·18 claims
- 2279US5164252AHydrophobizing and oleophobizing compositionsBAYER AG·Filed 1990·Granted Nov 17, 1992·34 cites·10 claims
- 2379US4946535APolyester polyurethanes containing hydroxyl end groups and their use as adhesivesBAYER AG·Filed 1988·Granted Aug 7, 1990·25 cites·7 claims
- 2478US5432228AAqueous solutions and dispersions of polyisocyanate polyaddition products, a process for the production of the aqueous solutions and dispersions and their use as adhesivesBAYER AG·Filed 1990·Granted Jul 11, 1995·29 cites·5 claims
- 2578US4670100AAqueous solutions or dispersions of polyisocyanate addition products, a process for their preparation, and their use as coating compounds or as sizing agents for paperBAYER AG·Filed 1986·Granted Jun 2, 1987·25 cites·3 claims
- 2678US4616061AAqueous solutions or dispersions of polyisocyanate addition products, a process for the production thereof and the use thereof as coating agents or as sizing agents for paperBAYER AG·Filed 1985·Granted Oct 7, 1986·25 cites·5 claims
- 2773US5100995AStorage stable polyurethane adhesivesBAYER AG·Filed 1990·Granted Mar 31, 1992·21 cites·7 claims
- 2872US5356945AReactive polyurethanesBAYER AG·Filed 1993·Granted Oct 18, 1994·20 cites·9 claims
- 2969US4623416AAqueous solutions or dispersions of polyisocyanate polyaddition products, a process for their production and their use as, or in the production of, adhesivesBAYER AG·Filed 1984·Granted Nov 18, 1986·18 cites·8 claims
- 3068US7268183B2Reactive polyurethane hotmelts with large PSA rangeBAYER MATERIALSCIENCE AG·Filed 2003·Granted Sep 11, 2007·7 cites·19 claims
- 3168US7056415B2Wood adhesivesBAYER AG·Filed 2001·Granted Jun 6, 2006·6 cites·14 claims
- 3268US5009925AProcess for the production of magnetic recording carriersAGFA GEVAERT AG·Filed 1988·Granted Apr 23, 1991·15 cites·5 claims
- 3366US4071505AMolecular weight control of polyurethane elastomersMOBAY CHEMICAL CORP·Filed 1975·Granted Jan 31, 1978·16 cites·8 claims
- 3464US5250610AAqueous polyurethane dispersions and their use as laminating adhesivesBAYER AG·Filed 1992·Granted Oct 5, 1993·28 cites·3 claims
- 3563US6020386AProcess for the production of hydroxyfunctional compounds from (polyurethane) polyurea wasteBAYER AG·Filed 1994·Granted Feb 1, 2000·18 cites·15 claims
- 3660US4477531AMagnetic storage mediumAGFA GEVAERT AG·Filed 1982·Granted Oct 16, 1984·19 cites·9 claims
- 3760US4240942AProcess for the preparation of aqueous dispersions or solutions of isocyanate polyaddition productsBAYER AG·Filed 1978·Granted Dec 23, 1980·11 cites·14 claims
- 3859US4166580ADrip irrigation apparatusMECKEL ELISABETH CHR·Filed 1977·Granted Sep 4, 1979·17 cites·10 claims
- 3954US4869965AProcess for the production of a magnetic recording mediumAGFA GEVAERT AG·Filed 1987·Granted Sep 26, 1989·9 cites·15 claims
- 4052US4331717AAqueous dispersions or solutions of oligomeric or polymeric plastics, a process for their production and their useBAYER AG·Filed 1979·Granted May 25, 1982·7 cites·9 claims
- 4152US2006155094A1Wood adhesivesMECKEL WALTER·Filed 2006·Application pending·0 cites
- 4251US4525590ASimplified process for the production of polyamines by the alkaline hydrolysis of compounds containing NCO-groupsBAYER AG·Filed 1982·Granted Jun 25, 1985·9 cites·14 claims
- 4350US4240861AProcess for the preparation of dihydroxypolyurethanes and the use thereof as adhesives or as raw materials for adhesivesBAYER AG·Filed 1979·Granted Dec 23, 1980·7 cites·30 claims
- 4450US2006069225A1Adhesive compositions containing blocked polyurethane prepolymersWINTERMANTEL MATTHIAS·Filed 2005·Application pending·0 cites
- 4550US2007260031A1Moisture-hardening adhesives and sealantsBAYER MATERIALSCIENCE AG·Filed 2007·Application pending·0 cites
- 4645US5508312AProcess for the production of compounds containing hydroxyl groups from (polyurethane) polyurea waste materialsBAYER AG·Filed 1995·Granted Apr 16, 1996·9 cites·7 claims
- 4745US5075345AProcess for the preparation of polyurethane (urea) masses which contain foamBAYER AG·Filed 1990·Granted Dec 24, 1991·5 cites·4 claims
- 4845US4868266AHeat curable adhesive systemBAYER AG·Filed 1988·Granted Sep 19, 1989·12 cites·9 claims
- 4945US2006020101A1Low-viscosity polyurethane prepolymers based on 2,4'-MDIBAYER MATERIALSCIENCE AG·Filed 2005·Application pending·0 cites
- 5044US4677030AMagnetic storage mediumAGFA GEVAERT AG·Filed 1985·Granted Jun 30, 1987·6 cites·9 claims
Showing the top 50 of 56 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →