Inventor
FREITAG HELMUT
US13 patents
⚠️ This page may combine multiple inventors who share the name “FREITAG HELMUT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BOEHRINGER MANNHEIM GMBH
10 patentsUS4876067AOct 24, 1989
Multilayer test strip device with a dissolvable reagent layer
BOEHRINGER MANNHEIM GMBH56 citations95
US4839297AJun 13, 1989
Test carrier and method for the analytical determination of a component of a body fluid
BOEHRINGER MANNHEIM GMBH72 citations95
US5132208AJul 21, 1992
Test carrier for the analysis of a sample liquid
BOEHRINGER MANNHEIM GMBH40 citations92
US4786603ANov 22, 1988
Method for separating plasma from blood and silanized glass fibres therefor
BOEHRINGER MANNHEIM GMBH25 citations92
US5223436AJun 29, 1993
Test carrier for the analytical determination of a component of a liquid sample
BOEHRINGER MANNHEIM GMBH30 citations91
US5162238ANov 10, 1992
Test carrier for analysis of a liquid sample
BOEHRINGER MANNHEIM GMBH26 citations87
US5460975AOct 24, 1995
Diphenylmethane derivatives, process for their production and their use for the displacement of iodothyronines from proteins which bind them
BOEHRINGER MANNHEIM GMBH11 citations73
US5037736AAug 6, 1991
Process and test carrier for the determination of an analyte
BOEHRINGER MANNHEIM GMBH18 citations73
US5037764AAug 6, 1991
Process for determination of an analyte and reagent therefor
BOEHRINGER MANNHEIM GMBH15 citations73
US5434054AJul 18, 1995
Devices for determining hydrolase activity through its hydrolytic release of an immobilized indicator enzyme
BOEHRINGER MANNHEIM GMBH8 citations72
BOEHRINGER MANNHEIM CORP
2 patentsUS4929545AMay 29, 1990
Method and reagent for determination of an analyte via enzymatic means using a ferricyanide/ferric compound system
BOEHRINGER MANNHEIM CORP58 citations95
US5707820AJan 13, 1998
Reagent and assay methods including a phenazine-containing indicator
BOEHRINGER MANNHEIM CORP10 citations73