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Patent applications and USPTO patent grants for Kumpf; Robert-Joseph.The latest application filed is for "double-metal cyanide catalysts containing polyester for preparing polyether polyols".
Patent | Date |
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Double-metal cyanide catalysts containing polyester for preparing polyether polyols Grant 6,624,286 - Hofmann , et al. September 23, 2 | 2003-09-23 |
Stabilized, finely disperse low-viscosity polymer polyols with a high content of polystyrene or polystyrene copolymers Grant 6,472,447 - Lorenz , et al. October 29, 2 | 2002-10-29 |
Double-metal cyanide catalysts containing polyester for preparing polyether polyols App 20020068812 - Hofmann, Jorg ;   et al. | 2002-06-06 |
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