Inventor · disambiguated record
Walter Schafer
Also filed as: DAHM MANFRED · FINDEISEN KURT · SCHAEFER WALTER · SCHAFER WALTER
63 granted patents·1 pending application·1,266 citations·filing 1975–2021
99Inventor score
Top patents by PatentIndex Score
64 records- 0198US4294719APolyisocyanates which contain carbodiimide groups and which are stable in storageBAYER AG·Filed 1977·Granted Oct 13, 1981·81 cites·19 claims
- 0297US4088665AProcess for the partial carbodiimidization of organic isocyanatesBAYER AG·Filed 1976·Granted May 9, 1978·137 cites·6 claims
- 0396US4344855AProcess for the production of polyisocyanates which contain carbodiimide groups and which are stable in storageBAYER AG·Filed 1976·Granted Aug 17, 1982·80 cites·10 claims
- 0495US7008900B1Double metal cyanide catalysts for producing polyether polyolsBAYER AG·Filed 2000·Granted Mar 7, 2006·101 cites·19 claims
- 0595US6646100B2Aliphatic polycarbonate homo-and co-polymers produced by DMC catalysis and the process for their productionBAYER AG·Filed 2002·Granted Nov 11, 2003·52 cites·10 claims
- 0694US6379751B1Imparting water-repellency with polysiloxanes containing carboxyl groupsBAYER AG·Filed 2000·Granted Apr 30, 2002·84 cites·22 claims
- 0792US4077989AProcess for the production of modified polyisocyanatesBAYER AG·Filed 1976·Granted Mar 7, 1978·51 cites·2 claims
- 0890US4193889AMicroencapsulation with modified aliphatic polyisocyanatesBAYER AG·Filed 1977·Granted Mar 18, 1980·46 cites·8 claims
- 0984US4321394AProcess for the production of addition compounds of carbodiimides and compounds containing hydroxyl groupsBAYER AG·Filed 1980·Granted Mar 23, 1982·17 cites·8 claims
- 1082US4028310AProcess for the production of polyureasBAYER AG·Filed 1975·Granted Jun 7, 1977·27 cites·23 claims
- 1181US6586566B1Double metal cyanide catalysts for producing polyether polyolsBAYER AG·Filed 2000·Granted Jul 1, 2003·19 cites·19 claims
- 1279US6323375B1Crystalline double metal cyanide catalysts for producing polyether polyolsBAYER AG·Filed 1998·Granted Nov 27, 2001·31 cites·23 claims
- 1377US6624286B2Double-metal cyanide catalysts containing polyester for preparing polyether polyolsBAYER AG·Filed 2001·Granted Sep 23, 2003·13 cites·8 claims
- 1477US6291388B1Double metal cyanide catalysts for producing polyether polyolsBAYER AG·Filed 1999·Granted Sep 18, 2001·41 cites·9 claims
- 1577US4067820AHigh molecular weight, insoluble carbodiimidization catalystsBAYER AG·Filed 1976·Granted Jan 10, 1978·22 cites·5 claims
- 1674US6391820B1Bi-metallic-cyanide catalysts used for preparing polyether polyolsBAYER AG·Filed 1999·Granted May 21, 2002·24 cites·12 claims
- 1773US5786419APowder coating composition and its use for the preparation of matte coatingsBAYER AG·Filed 1996·Granted Jul 28, 1998·34 cites·20 claims
- 1872US5242978AAlkoxysilylamines as curing agents for plastics precursors containing acetoacetate or acetoacetamide groupsBAYER AG·Filed 1991·Granted Sep 7, 1993·28 cites·5 claims
- 1970US6852663B2Double-metal cyanide catalysts for preparing polyether polyolsBAYER AG·Filed 2002·Granted Feb 8, 2005·10 cites·8 claims
- 2070US4900800APowder lacquer and its use for coating heat-resistant substratesBAYER AG·Filed 1987·Granted Feb 13, 1990·17 cites·3 claims
- 2170US4248978APulverulent coating compositionBAYER AG·Filed 1979·Granted Feb 3, 1981·16 cites·1 claims
- 2269US6953765B2Double metal cyanide catalysts for preparing polyether polyolsBAYER AG·Filed 2002·Granted Oct 11, 2005·9 cites·8 claims
- 2368US6806345B2Aliphatic polycarbonate homo-and co-polymers produced by DMC catalysis and the process for their productionBAYER AG·Filed 2003·Granted Oct 19, 2004·6 cites·6 claims
- 2468US4895921AWater soluble or dispersible blocked polyisocyanates and a process for their preparation and useBAYER AG·Filed 1988·Granted Jan 23, 1990·15 cites·8 claims
- 2568US4611034ABranched thermoplastically processible impact-resistant polyamidesBAYER AG·Filed 1985·Granted Sep 9, 1986·12 cites·7 claims
- 2666US5998327AZinc/metal hexacyanocobaltate complex compounds, a process for their preparation, and their use in a process for the production of polyether polyolsBAYER AG·Filed 1998·Granted Dec 7, 1999·19 cites·11 claims
- 2764US4253682APressure-sensitive copying paper sheetsBAYER AG·Filed 1979·Granted Mar 3, 1981·12 cites·1 claims
- 2862US4918135AProcess for the preparation of aqueous polymer dispersions the dispersions obtained by the process and their use for the production of coatingsBAYER AG·Filed 1989·Granted Apr 17, 1990·13 cites·4 claims
- 2961US4499038AProcess for the production of microcellular moldings from diisocyanate and compounds containing groups obtained by reacting amino groups with carbon dioxideBAYER AG·Filed 1983·Granted Feb 12, 1985·14 cites·9 claims
- 3061US4192925APolyhydroxyl compounds containing guanidine groupsBAYER AG·Filed 1979·Granted Mar 11, 1980·12 cites·1 claims
- 3161US4119565AProduction of microcapsules, and the resulting microcapsulesBAYER AG·Filed 1977·Granted Oct 10, 1978·11 cites·5 claims
- 3260US4619966AProcess for the production of coated substratesBAYER AG·Filed 1985·Granted Oct 28, 1986·12 cites·7 claims
- 3360US4174433APolyhydroxyl compounds containing guanidine groups useful in preparation of polyurethane foamsBAYER AG·Filed 1978·Granted Nov 13, 1979·11 cites·9 claims
- 3459US6833431B2Double-metal cyanide catalysts for preparing polyether polyolsBAYER AG·Filed 2002·Granted Dec 21, 2004·3 cites·11 claims
- 3559US6586564B2Double-metal cyanide catalysts for preparing polyether polyolsBAYER AG·Filed 2002·Granted Jul 1, 2003·3 cites·9 claims
- 3655US4739094AAlkoxylated aminopolyethers, a process for their preparationBAYER AG·Filed 1985·Granted Apr 19, 1988·10 cites·11 claims
- 3755US2022355323A1Method for monitoring the media flow of a jet of dropletsAOM SYSTEMS GMBH·Filed 2021·Application pending·0 cites
- 3854US5104959APolyurethane-based reactive adhesives in which the isocyanate is stabilized by a polyether amineBAYER AG·Filed 1990·Granted Apr 14, 1992·17 cites·9 claims
- 3954US4366288APulverulent coating materialsBAYER AG·Filed 1980·Granted Dec 28, 1982·13 cites·4 claims
- 4052US5312962AProcess for the production of compounds containing aldimine or ketimine groups and the compounds obtained by this processBAYER AG·Filed 1992·Granted May 17, 1994·8 cites·1 claims
- 4152US5234442AEpilating applianceBRAUN AG·Filed 1990·Granted Aug 10, 1993·19 cites·16 claims
- 4252US4904750AEster-urethane derivatives of (meth)-acrylic acid for dental materialsBAYER AG·Filed 1988·Granted Feb 27, 1990·16 cites·9 claims
- 4351US5292807ACompositions of cyclic isourea component with carboxyl componentBAYER AG·Filed 1993·Granted Mar 8, 1994·7 cites·4 claims
- 4450US4172936APolyhydroxyl compounds containing acyl urea groups useful in preparation of polyurethane foamsBAYER AG·Filed 1978·Granted Oct 30, 1979·7 cites·10 claims
- 4547US4192926APolyhydroxyl compounds containing acyl urea groupsBAYER AG·Filed 1979·Granted Mar 11, 1980·6 cites·1 claims
- 4646US6818587B2Double-metal cyanide catalysts for preparing polyether polyolsBAYER AG·Filed 2002·Granted Nov 16, 2004·0 cites·16 claims
- 4745US6878661B1Bimetallic-cyanide catalysts used for preparing polyether polyolsBSYER AG·Filed 1999·Granted Apr 12, 2005·9 cites·13 claims
- 4845US5234441AEpilating applianceBRAUN AG·Filed 1992·Granted Aug 10, 1993·14 cites·27 claims
- 4944US6458918B1Method for producing partially crystalline polyether polyolsBAYER AG·Filed 1998·Granted Oct 1, 2002·7 cites·5 claims
- 5044US4804687AFoamed microbeads and a process for their preparationBAYER AG·Filed 1988·Granted Feb 14, 1989·4 cites·4 claims
Showing the top 50 of 64 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →