| Patent Number |
Title Of Patent |
Date Issued |
| 4886341 |
Diffraction grating having a plurality of different grating constants |
December 12, 1989 |
| In a diffraction grating grooves having at least two kinds of grating constants are alternately arranged so as to repetitive at a constant period. |
| 4795707 |
Electrochemical sensor having three layer membrane containing immobilized enzymes |
January 3, 1989 |
| An electrochemical sensor is formed having a working electrode for detecting hydrogen peroxide surrounded by a cylinder portion, and with an enzymecontaining membrane at its tip. The membrane has a porous layer permeable to hydrogen peroxide between a layer containing an immobilized |
| 4579642 |
Electrochemical sensor having an immobilized enzyme membrane |
April 1, 1986 |
| A recess of a predetermined thickness is formed in the bottom of a cylindrical vessel and a hole for the liquid-junction is formed at the center of the recess, to which is joined a resilient NH.sub.4.sup.+ selective membrane. Since the NH.sub.4.sup.+ selective membrane has a thicknes |
| 4519891 |
Liquid film type, anion-selective electrode |
May 28, 1985 |
| A liquid film type, anion-selective electrode of the present invention is suitable for measuring a chloride ion concentration of blood. A sensitive film contains a plurality of plasticizers having different dielectric constants, an anion-sensitive substance and a polymeric support materi |
| 4349426 |
Anion sensing electrode |
September 14, 1982 |
| A sensing membrane is fixed to one end of a tube comprising polyvinyl chloride. An aqueous sodium chloride solution is contained in the tube, and is in contact with an internal electrode wire. The sensing membrane comprises a support substance of polyvinyl chloride, a sensing substance |
