Inventor · Ludwigshafen, DE

Michael Ehle

23Patents
9h-index
71Co-inventors
74Inventor score

Filing activity: Jan 8, 1997 → Dec 2, 2009

Most-cited inventions

PatentTitleAreaCited byStatus
US6267936A Method for effecting solvent extraction of metal ions using hydrocarbon soluble aminomethylene phosphonic acid compounds Emerging Cross-Sectional Technologies 23 Expired
US6545067B1 Additives for mineral building materials containing cement Chemistry; Metallurgy 21 Expired
US6300304A Propoxylated/ethoxylated polyalkyleneimine dispersants Chemistry; Metallurgy 20 Expired
US6156720A Propoxylated/ethoxylated polyalkyleneimine dispersants Chemistry; Metallurgy 19 Expired
US5795482A Use of hydrocarbon-soluble aminomethylene phosphonic acid derivatives in the solvent extraction of iron ions from aqueous solutions Emerging Cross-Sectional Technologies 17 Expired
US6551986B1 Fabric enhancement compositions Chemistry; Metallurgy 13 Expired
US6579846B1 Acylated polymeric polyamines Chemistry; Metallurgy 13 Expired
US6063286A Modified, fine-particle, water-insoluble aziridine polymer and use therefore for removing heavy metals from aqueous solution Emerging Cross-Sectional Technologies 12 Expired
US6525013B1 Fabric care and laundry compositions comprising low molecular weight linear or cyclic polyamines Chemistry; Metallurgy 11 Expired
US6673890B1 Zwitterionic polyamines and process for their production Chemistry; Metallurgy 9 Expired
US6703523B1 Zwitterionic polyetherpolyamines and process for their production Chemistry; Metallurgy 8 Expired
US6531438B1 Rinse-added fabric care compositions comprising low molecular weight linear and cyclic polyamines Chemistry; Metallurgy 4 Expired
US6566323B1 Laundry detergent compositions comprising fabric enhancement polyamines Chemistry; Metallurgy 3 Expired
US7250093B2 Method using a dry fluidised bed for producing thin, absorbent surface structures Emerging Cross-Sectional Technologies 3 Expired
US7511107B2 Ethylene terpolymer waxes, their preparation and their use Chemistry; Metallurgy 2 Expired
US6573228B1 Laundry detergent compositions comprising fabric enhancement polyamines Chemistry; Metallurgy 2 Expired
US8927669B2 Copolymers, method for producing them and their use for treating surfaces Emerging Cross-Sectional Technologies 2 Active
US6562779B2 Preparation of emulsifiable ethylene polymers Chemistry; Metallurgy 1 Expired
US7094827B2 Thixotropic agents comprising ethylene terpolymer waxes Chemistry; Metallurgy 1 Expired
US7204863B2 Gasoline additives for reducing the amount of internal combustion engine intake valve deposits and combustion chamber deposits Chemistry; Metallurgy 0 Expired
US8629227B2 Modified polyvinyllactams Chemistry; Metallurgy 0 Active
US8063266B2 Method using a dry fluidized bed for producing thin, absorbent surface structures Emerging Cross-Sectional Technologies 0 Active
US7226489B2 Gasoline additives for reducing the amount of internal combustion engine intake valve deposits and combustion chamber deposits Chemistry; Metallurgy 0 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.