RK

Richard A. Kaufman

Hoffmann-La Roche: 8 patents #469 of 3,238Top 15%
Overall (All Time): #425,971 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
7288414 Use of phosphonazo III for the measurement of calcium, magnesium and sodium in analytical samples 2007-10-30
6380380 Use of nicotinamide adenine dinucleotide (NAD) and nicotinamide adenine dinucliotide phosphate (NADP) analogs to measure enzyme activities metabolites and substrates 2002-04-30
5801006 Use of NADPH and NADH analogs in the measurement of enzyme activities and metabolites 1998-09-01
5589348 In situ nicotinamide coenzyme generating system for enzyme based clinical chemistry assays John M. Konopka, Henry J. Rosenfeld, Janine E. Sabo 1996-12-31
5525481 Enzymatic Reagents for ethanol assay containing diamino compounds Henry J. Rosenfeld 1996-06-11
5482866 Method for quantitation of calcium and magnesium and the novel reagent compositions James B. Denton, Diane J. Dixon 1996-01-09
5141854 Enzymatic composition for ethanol assay Henry J. Rosenfeld 1992-08-25
4826773 Method and reagent for the quantitative determination of phosphorous in serum and urine Henry J. Rosenfeld, Denise Zaunczkowski 1989-05-02
4800168 Two reagent system for the colorimetric determination of chloride ions in body fluids Alex Wesolowski 1989-01-24
4698315 Method and kit for determining total digoxin levels involving agent to dissociate digoxin-protein complex Bruce C. Farrenkopf 1987-10-06
4599316 Photometric method for the determination of inorganic phosphate in liquid samples Benjamin A. Hahn, Alexander F. Wesolowski 1986-07-08
4451563 Method for increasing the sensitivity of assays 1984-05-29