|
| US4009004 | 17 May 1976 | 22 Feb 1977 | | Reagent and method for determination of phosphorous |
| US4220451 | 23 Jan 1979 | 2 Sep 1980 | Union Carbide Corporation | Process for the determination of serum inorganic phosphate |
| US4447544 | 22 Jul 1982 | 8 May 1984 | Instrumentation Laboratory Inc. | Method and reagent for determining inorganic phosphate in biological sample |
| US4599316 | 2 Dec 1983 | 8 Jul 1986 | Hoffmann-La Roche Inc. | Photometric method for the determination of inorganic phosphate in liquid samples |
| US4731331 | 17 Jul 1984 | 15 Mar 1988 | Beckman Instruments, Inc. | Rate method for the determination of inorganic phosphorus |
| US4826773 | 18 Jul 1988 | 2 May 1989 | Hoffmann-La Roche Inc. | Method and reagent for the quantitative determination of phosphorous in serum and urine |
| US5922609 | 6 Nov 1997 | 13 Jul 1999 | Anton Paar GmbH | Method for infrared-optical determination of the concentration of at least one chemical analyte in a liquid sample |
| US6268162 | 28 May 1999 | 31 Jul 2001 | Lifescan, Inc. | Reflectance measurement of analyte concentration with automatic initiation of timing |
| US6458326 | 24 Nov 1999 | 1 Oct 2002 | Home Diagnostics, Inc. | Protective test strip platform |
| US6525330 | 28 Feb 2001 | 25 Feb 2003 | Home Diagnostics, Inc. | Method of strip insertion detection |
| US6541266 | 28 Feb 2001 | 1 Apr 2003 | Home Diagnostics, Inc. | Method for determining concentration of an analyte in a test strip |
| US6562625 | 28 Feb 2001 | 13 May 2003 | Home Diagnostics, Inc. | Distinguishing test types through spectral analysis |
| US6821483 | 24 Jun 2002 | 23 Nov 2004 | Lifescan, Inc. | Reagents test strip with alignment notch |
| US6858401 | 23 Sep 2002 | 22 Feb 2005 | LifeScan, Inc. | Minimum procedure system for the determination of analytes |
| US6881550 | 24 Jun 2002 | 19 Apr 2005 | | Method for the determination of glucose employing an apparatus emplaced matrix |
| US6887426 | 24 Jun 2002 | 3 May 2005 | | Reagents test strip adapted for receiving an unmeasured sample while in use in an apparatus |
| US6979571 | 1 Aug 2002 | 27 Dec 2005 | Home Diagnostics, Inc. | Method of using a protective test strip platform for optical meter apparatus |
| US7390665 | 4 Mar 2003 | 24 Jun 2008 | | Distinguishing test types through spectral analysis |
