Inventor · disambiguated record
Robert J. Kumpf
Also filed as: KUMPF ROBERT · KUMPF ROBERT J · KUMPF ROBERT-JOSEPH
20 granted patents·471 citations·filing 1990–2001
96Inventor score
Top patents by PatentIndex Score
20 records- 0191US6472447B1Stabilized, finely disperse low-viscosity polymer polyols with a high content of polystyrene or polystyrene copolymersBAYER AG·Filed 2000·Granted Oct 29, 2002·42 cites·5 claims
- 0288US5637655AMethod for modifying the backbone of polymeric resinsBAYER AG·Filed 1996·Granted Jun 10, 1997·48 cites·12 claims
- 0388US5605979AMethod for modifying the backbone of polymeric resinsBAYER AG·Filed 1995·Granted Feb 25, 1997·48 cites·32 claims
- 0487US5623019ACompatibilized thermoplastic molding compositionBAYER AG·Filed 1995·Granted Apr 22, 1997·64 cites·18 claims
- 0586US5786440AMixtures of cyclic oligocarbonates and their manufactureBAYER AG·Filed 1997·Granted Jul 28, 1998·39 cites·7 claims
- 0684US5605961AThermoplastic composition containing polyurethane and polypropyleneBAYER AG·Filed 1995·Granted Feb 25, 1997·59 cites·15 claims
- 0780US5693722AMethod for modifying the backbone of polymeric resinsBAYER AG·Filed 1996·Granted Dec 2, 1997·34 cites·7 claims
- 0879US6323375B1Crystalline double metal cyanide catalysts for producing polyether polyolsBAYER AG·Filed 1998·Granted Nov 27, 2001·31 cites·23 claims
- 0978US5414054ACopolycarbonate having improved low-temperature impact strengthMILES INC·Filed 1994·Granted May 9, 1995·24 cites·11 claims
- 1077US6624286B2Double-metal cyanide catalysts containing polyester for preparing polyether polyolsBAYER AG·Filed 2001·Granted Sep 23, 2003·13 cites·8 claims
- 1171US5399658AGamma-radiation-resistant polycarbonate compositionMILES INC·Filed 1993·Granted Mar 21, 1995·23 cites·8 claims
- 1261US5221727AAromatic polyethers containing ester groupsBAYER AG·Filed 1991·Granted Jun 22, 1993·12 cites·12 claims
- 1354US5342905AProcess for making an ester containing polyether sulfoneMILES INC·Filed 1993·Granted Aug 30, 1994·9 cites·9 claims
- 1450US6297346B1Mixtures of cyclic oligocarbonates, their production and useBAYER AG·Filed 2000·Granted Oct 2, 2001·1 cites·9 claims
- 1544US5618889APoly(arylether)/liquid crystalline polyester block copolymers and a process for their productionBAYER AG·Filed 1991·Granted Apr 8, 1997·5 cites·12 claims
- 1643US5169907APolyether/polycarbonate block copolymers and a process for their productionMILES INC·Filed 1990·Granted Dec 8, 1992·5 cites·10 claims
- 1736US5064929AAromatic polyethers containing azo groupsMOBAY CORP·Filed 1990·Granted Nov 12, 1991·7 cites·16 claims
- 1835US5663274AHeat-curable compositions based on cyclic isocyanate addition productsBAYER AG·Filed 1996·Granted Sep 2, 1997·3 cites·20 claims
- 1934US6156871AMixtures of cyclic oligocarbonates, their production and useBAYER AG·Filed 1997·Granted Dec 5, 2000·3 cites·8 claims
- 2031US5726273AHeat-curable compositions based on cyclic isocyanate addition reproductsBAYER AG·Filed 1996·Granted Mar 10, 1998·1 cites·20 claims
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