Inventor · disambiguated record
Ernst Felder
Also filed as: FELDER ERNST
17 granted patents·640 citations·filing 1975–1995
96Inventor score
Top patents by PatentIndex Score
17 records- 0196US4352788ADerivatives of 2,4,6-triiodo-isophthalic acid, processes for their synthesis and X-ray contrasting materials containing theseBRACCO IND CHIMICA SPA·Filed 1980·Granted Oct 5, 1982·61 cites·6 claims
- 0294US4348377ANew derivatives of 2,4,6-triiodo-isophthalic acid, proceses for their synthesis and X-ray contrasting materials containing theseBRACCO IND CHIMICA SPA·Filed 1980·Granted Sep 7, 1982·54 cites·7 claims
- 0394US4139605AWater-soluble, non-ionizing, radiopaque compounds and contrast compositions containing the sameBRACCO IND CHIMICA SPA·Filed 1978·Granted Feb 13, 1979·41 cites·11 claims
- 0492US4001323AWater-soluble, non-ionizing hydroxy-containing amide derivatives of 2,4,6-triiodo-isophthalic acidSAVAC AG·Filed 1975·Granted Jan 4, 1977·120 cites·3 claims
- 0589US5733528AParamagnetic chelates for nuclear magnetic resonance diagnosisDIBRA SPA·Filed 1994·Granted Mar 31, 1998·39 cites·11 claims
- 0683US4916246AParamagnetic chelates useful for NMR imagingBRACCO IND CHIMICA SPA·Filed 1987·Granted Apr 10, 1990·62 cites·30 claims
- 0783US4246164AProcess for the resolution of (+)- and (-)-6-methoxy-α-methyl-2-naphthaleneacetic acidSYNTEX CORP·Filed 1979·Granted Jan 20, 1981·28 cites·19 claims
- 0879US4980502AParamagnetic chelatesBRACCO IND CHIMICA SPA·Filed 1989·Granted Dec 25, 1990·52 cites·6 claims
- 0978US4588574AProcess for the preparation of barium sulfate of increased flowability and density, suitable as a radio-opaque component in radiographic contrast agents, product obtained according to this process and the radiographic contrast agent produced therefromBRACCO IND CHIMICA SPA·Filed 1984·Granted May 13, 1986·50 cites·14 claims
- 1078US4503252AProcess for the preparation of serinol and of serinol derivatives, and products obtained therefromEPROVA AG·Filed 1982·Granted Mar 5, 1985·13 cites·2 claims
- 1174US5023379AProcess for the preparation of hydroxyaminesMERCK PATENT GMBH·Filed 1990·Granted Jun 11, 1991·16 cites·24 claims
- 1268US5695742AAqueous injectable formulations useful for radiodiagnosis comprising iodinated aromatic compounds used as X-ray contrast mediaDIBRA SPA·Filed 1993·Granted Dec 9, 1997·37 cites·5 claims
- 1364US5710271AProcess for the preparation and separation of diastereomeric salts of folinic acidDIBRA SPA·Filed 1995·Granted Jan 20, 1998·12 cites·7 claims
- 1462US4044048ARadiopaque esters of tetra-iodoterephthalic acidBRACCO IND CHIMICA SPA·Filed 1976·Granted Aug 23, 1977·5 cites·11 claims
- 1561US5132409AMacrocyclic chelating agents and chelates thereofBRACCO IND CHIMICA SPA·Filed 1989·Granted Jul 21, 1992·29 cites·18 claims
- 1660US4278808AMethod of preparing a 3-alkoxy-2-alkyl-propionic acid ester derivative and intermediate thereforBRACCO IND CHIMICA SPA·Filed 1978·Granted Jul 14, 1981·5 cites·6 claims
- 1755US5182370AParamagnetic chelatesBRACCO IND CHIMICA SPA·Filed 1989·Granted Jan 26, 1993·16 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →