Inventor · disambiguated record
William E. Slack
Also filed as: SLACK WILLIAM E · SUNDERMANN RUDOLF
81 granted patents·8 pending applications·1,832 citations·filing 1978–2008
99Inventor score
Top patents by PatentIndex Score
89 records- 0197US5124427APolyisocyanates containing allophanate and isocyanurate groups, a process for their production and their use in two-component coating compositionsMILES INC·Filed 1991·Granted Jun 23, 1992·121 cites·52 claims
- 0296US5235018APolyisocyanates containing allophanate and isocyanurate groups, a process for their production and their use in two-component coating compositionsMILES INC·Filed 1992·Granted Aug 10, 1993·103 cites·25 claims
- 0396US4837359AProcess for the production of polyisocyanates with biuret structuresBAYER AG·Filed 1987·Granted Jun 6, 1989·83 cites·12 claims
- 0496US4810820AProcess for the production of polyisocyanates containing allophanate groupsMOBAY CORP·Filed 1987·Granted Mar 7, 1989·82 cites·7 claims
- 0595US5208334AProcess for the production of polyisocyanates containing allophanate and isocyanurate groupsMILES INC·Filed 1992·Granted May 4, 1993·77 cites·24 claims
- 0693US5319053ALiquid diphenylmethane diisocyanateMILES INC·Filed 1993·Granted Jun 7, 1994·61 cites·10 claims
- 0792US5319054ALiquid methylene diphenyl diisocyanateMILES INC·Filed 1993·Granted Jun 7, 1994·59 cites·6 claims
- 0891US5691439ALow surface energy polyisocyanates and their use in one- or two-component coating compositionsBAYER AG·Filed 1996·Granted Nov 25, 1997·63 cites·18 claims
- 0991US5663272AAllophanate-modified diphenylmethane diisocyanates and processes for their production and useBAYER AG·Filed 1995·Granted Sep 2, 1997·66 cites·13 claims
- 1091US5440003ALiquid methylene diphenyl diisocyanateMILES INC·Filed 1993·Granted Aug 8, 1995·47 cites·7 claims
- 1191US4154752APreparation of partially carbodiimidized methylenebis (phenyl isocyanate)MOBAY CHEMICAL CORP·Filed 1978·Granted May 15, 1979·25 cites·6 claims
- 1289US6991746B2Polymeric allophanates of diphenylmethane diisocyanate, perpolymers of these polymeric allophanates, and processes for the preparation of the polymeric allophanates and the prepolymers thereofBAYER MATERIALSCIENCE LLC·Filed 2005·Granted Jan 31, 2006·8 cites·10 claims
- 1389US6271279B1High resilient flexible urethane foam and flexible molded foams based on allophanate modified isocyanatesBAYER AG·Filed 2000·Granted Aug 7, 2001·30 cites·28 claims
- 1489US5219973APolyurea rim systemsMILES INC·Filed 1990·Granted Jun 15, 1993·49 cites·14 claims
- 1587US5747629ALow surface energy polyisocyanates and their use in one-or two-component coating compositionsBAYER AG·Filed 1996·Granted May 5, 1998·48 cites·18 claims
- 1687US5444146APolyisocyanates containing allophanate and isocyanurate groups, a process for their production and their use in two-component coating compositionsBAYER AG·Filed 1993·Granted Aug 22, 1995·38 cites·15 claims
- 1786US6028158AFreeze-stable allophanate-modified toluene diisocyanate trimersBAYER AG·Filed 1997·Granted Feb 22, 2000·40 cites·22 claims
- 1885US6127308ATrimer catalyst system for aliphatic and aromatic isocyanatesBAYER AG·Filed 1999·Granted Oct 3, 2000·37 cites·7 claims
- 1983US5874623AProcess for the production of polyether aminoalcoholsBAYER AG·Filed 1993·Granted Feb 23, 1999·28 cites·6 claims
- 2083US5576411ALow surface energy polyisocyanates and their use in one-or two component coating compositionsBAYER AG·Filed 1994·Granted Nov 19, 1996·31 cites·16 claims
- 2183US5574122ALow surface energy polyisocyanates and their use in one- or two-component coating compositionsBAYER AG·Filed 1995·Granted Nov 12, 1996·40 cites·20 claims
- 2283US5541281ALow surface energy polyisocyanates and their use in one- or two-component coating compositionsBAYER AG·Filed 1994·Granted Jul 30, 1996·31 cites·20 claims
- 2382US5502147AAliphatic rim elastomersBAYER AG·Filed 1993·Granted Mar 26, 1996·32 cites·23 claims
- 2481US5874485AFlexible foams and flexible molded foams based on allophanate-modified diphenylmethane diisocyanates and processes for the production of these foamsBAYER AG·Filed 1997·Granted Feb 23, 1999·40 cites·26 claims
- 2579US7666971B2Amide/urea-modified liquid diphenylmethane diisocyanatesBAYER MATERIALSCIENCE LLC·Filed 2006·Granted Feb 23, 2010·3 cites·22 claims
- 2679US6482913B1Liquid MDI adducts wtih improved freeze stabilityBAYER AG·Filed 2000·Granted Nov 19, 2002·15 cites·10 claims
- 2778US6515125B1Liquid partially trimerized polyisocyanates based on toluene diisocyanate and diphenylmethane diisocyanateBAYER AG·Filed 2001·Granted Feb 4, 2003·15 cites·22 claims
- 2878US6242556B1Liquid MDI adducts with improved freeze stabilityBAYER AG·Filed 2000·Granted Jun 5, 2001·15 cites·12 claims
- 2977US6639040B1Continuous process for the production of MDI allophanatesBAYER AG·Filed 2002·Granted Oct 28, 2003·13 cites·24 claims
- 3077US5646227ALow surface energy polyisocyanates and their use in one- or two-component coating compositionsBAYER AG·Filed 1996·Granted Jul 8, 1997·30 cites·20 claims
- 3175US5783652AReactivity improvement of urethane prepolymers of allophanate-modified diphenylmethane diisocyanatesBAYER AG·Filed 1997·Granted Jul 21, 1998·27 cites·11 claims
- 3274US5905151ATrimer catalyst for aliphatic and aromatic isocyanatesBAYER AG·Filed 1993·Granted May 18, 1999·14 cites·6 claims
- 3374US5821275AFlexible foams and flexible molded foams based on liquid isocyanate-terminated allophanate-modified MDI prepolymer blends and processes for the production of these foamsBAYER AG·Filed 1997·Granted Oct 13, 1998·32 cites·28 claims
- 3474US5502150ALinear HDI urethane prepolymers for rim applicationBAYER AG·Filed 1994·Granted Mar 26, 1996·22 cites·14 claims
- 3574US5350778APolyisocyanate based upon 4,4'- and 2,4'-diphenylmethane diisocyanates and use thereof in a rim processMILES INC·Filed 1993·Granted Sep 27, 1994·24 cites·4 claims
- 3672US6887399B2Polymeric allophanates of diphenylmethane diisocyanate, prepolymers of these polymeric allophanates, and processes for the preparation of the polymeric allophanates and the prepolymers thereofBAYER MATERIALSCIENCE LLP·Filed 2002·Granted May 3, 2005·11 cites·22 claims
- 3772US6838542B1Stable liquid biuret modified and biuret allophanate modified diphenylmethane diisocyanates, prepolymers thereof, and processes for their preparationBAYER MATERIALSCIENCE LLC·Filed 2003·Granted Jan 4, 2005·9 cites·34 claims
- 3872US6765080B2High performance RIM elastomers and a process for their productionBAYER AG·Filed 2002·Granted Jul 20, 2004·11 cites·26 claims
- 3972US6063891AFreeze stable allophanate-modified toluene diisocyanate trimersBAYER AG·Filed 1999·Granted May 16, 2000·21 cites·14 claims
- 4072US5686042ARim process using liquid methylene diphenyl diisocyanateBAYER AG·Filed 1995·Granted Nov 11, 1997·26 cites·13 claims
- 4171US7553963B2Liquid partially trimerized and allophanized polyisocyanates based on toluene diisocyanate and diphenylmethane diisocyanateBAYER MATERIALSCIENCE LLC·Filed 2003·Granted Jun 30, 2009·9 cites·6 claims
- 4271US5510445AProcess for castable polyurea elastomersBAYER AG·Filed 1994·Granted Apr 23, 1996·17 cites·9 claims
- 4370US5789519AHigh viscosity, high equivalent weight polyisocyanate mixtures containing allophanate and isocyanurate groups and their use in coating compositionsBAYER AG·Filed 1996·Granted Aug 4, 1998·22 cites·21 claims
- 4469US5672761AMethod for reducing the viscosity of high viscosity polyether polyolsBAYER AG·Filed 1996·Granted Sep 30, 1997·20 cites·4 claims
- 4568US5889068AWater blown polyurethane soling systemsBAYER AG·Filed 1997·Granted Mar 30, 1999·25 cites·16 claims
- 4668US4910333ALiquid diphenylmethane diisocyanate compositionsMOBAY CORP·Filed 1987·Granted Mar 20, 1990·15 cites·7 claims
- 4767US5614605ARigid polyurethanes based on allophanate-modified aliphatic and/or cycloaliphatic polyisocyanuratesBAYER AG·Filed 1994·Granted Mar 25, 1997·14 cites·4 claims
- 4867US5525683AEther-linked amine-terminated polyesters and a process for their productionBAYER AG·Filed 1994·Granted Jun 11, 1996·14 cites·13 claims
- 4966US6586487B1Low-density, water blown polyurethane foams for energy-absorbing applicationsBAYER AG·Filed 2000·Granted Jul 1, 2003·7 cites·11 claims
- 5065US6797799B1High 2,4′-diphenylmethane diisocyanate content prepolymersBAYER MATERIALSCIENCE LLC·Filed 2003·Granted Sep 28, 2004·11 cites·13 claims
Showing the top 50 of 89 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →