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Class Information
Number: 436/41
Name: Chemistry: analytical and immunological testing > Determination of water > By use of a cobalt, copper or nickel containing reagent
Description: Processes or composition in which a cobalt, copper or nickel containing test material is utilized in a test for water.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7553450 |
Irreversible humidity exposure dose indicator device |
Jun. 30, 2009 |
| 6770483 |
Determination of multi-valent metal contamination and system for removal of multi-valent metal contaminants from water |
Aug. 3, 2004 |
| 6043096 |
Device and method for the determination of water |
Mar. 28, 2000 |
| 5879943 |
Humidity detection method |
Mar. 9, 1999 |
| 5468644 |
Spectroscopic investigation using organometallic compounds |
Nov. 21, 1995 |
| 5308771 |
Chemical sensors |
May. 3, 1994 |
| 5290516 |
Moisture indicator |
Mar. 1, 1994 |
| 5270209 |
Method for distinguishing cosmetic sticks containing water |
Dec. 14, 1993 |
| 5231034 |
Cupric chloride assay for detection of analytes |
Jul. 27, 1993 |
| 5071768 |
Method and apparatus for refrigerant testing in a closed system |
Dec. 10, 1991 |
| 4923806 |
Method and apparatus for refrigerant testing in a closed system |
May. 8, 1990 |
| 4643122 |
Diffusion controlled security tags |
Feb. 17, 1987 |
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