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Class Information
Number: 436/121
Name: Chemistry: analytical and immunological testing > Sulfur containing > Organic or sulfhydryl containing (e.g., mercaptan, hydrogen, sulfide, etc.) > Only hydrogen sulfide
Description: Subject matter in which the only test perferred for a sulfur compound is for hydrogen sulfide.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7390669 |
Simultaneous and rapid determination of multiple component concentrations in a Kraft liquor process stream |
Jun. 24, 2008 |
| 7273561 |
Method for determining the chemical dosage required to reduce sulfides in wastewater to acceptable levels |
Sep. 25, 2007 |
| 7214345 |
Apparatus for analyzing reduced inorganic sulphur |
May. 8, 2007 |
| 7201877 |
Device and method for detecting sulfuryl fluoride |
Apr. 10, 2007 |
| 7025138 |
Method and apparatus for hydrogen sulfide monitoring |
Apr. 11, 2006 |
| 6962675 |
Use of spatiotemporal response behavior in sensor arrays to detect analytes in fluids |
Nov. 8, 2005 |
| 6939717 |
Hydrogen sulphide detection method and apparatus |
Sep. 6, 2005 |
| 6767746 |
Method and apparatus for analyzing acid gas loading within an amine solution |
Jul. 27, 2004 |
| 6709635 |
Gas sensor test chip |
Mar. 23, 2004 |
| 6340596 |
Reagent composition for measuring hydrogen sulfide and method for measuring hydrogen sulfide |
Jan. 22, 2002 |
| 6322750 |
Gas detector indicator strip providing enhanced dynamic range |
Nov. 27, 2001 |
| 6319722 |
Analysis of hydrogen sulfide in hydride gases |
Nov. 20, 2001 |
| 6133041 |
Hydrogen sulfide detection tube for alcoholic beverages |
Oct. 17, 2000 |
| 6098423 |
Method of preparing H.sub.2 S for an isotopic analysis |
Aug. 8, 2000 |
| 6046054 |
Semiconducting oxide gas sensors |
Apr. 4, 2000 |
| 5981289 |
Hydrogen sulfide analyzer |
Nov. 9, 1999 |
| 5935519 |
Apparatus for the detection of sulfur |
Aug. 10, 1999 |
| 5858307 |
Hydrogen sulfide analyzer with protective barrier |
Jan. 12, 1999 |
| 5849591 |
Method of determining the component of a gas in a gas sample |
Dec. 15, 1998 |
| 5792661 |
Method of detecting leaks in sealed containers |
Aug. 11, 1998 |
| 5756631 |
Siloxanes with strong hydrogen bond donating functionalities |
May. 26, 1998 |
| 5739038 |
Spectrometer gas analyzer system |
Apr. 14, 1998 |
| 5667558 |
Apparatus and associated method for reducing an undesired constituent of gas associated with wastewater |
Sep. 16, 1997 |
| 5614417 |
Sulfur chemiluminescence detection method |
Mar. 25, 1997 |
| 5547876 |
Combustion accelerators, processes for their production and processes for their use in elemental analysis |
Aug. 20, 1996 |
| 5529841 |
Hydrogen sulfide analyzer with protective barrier |
Jun. 25, 1996 |
| 5439800 |
Offshore petroleum exploration system |
Aug. 8, 1995 |
| 5385830 |
Apparatus for measuring free and total sulfurous acid and method of measurement |
Jan. 31, 1995 |
| 5356458 |
Computerized chemical injection system for hydrogen sulfide control in a waste water stream |
Oct. 18, 1994 |
| 5322798 |
Method for carrying out surface plasmon resonance measurement and sensor for use in the method |
Jun. 21, 1994 |
| 5322680 |
Substituted 2-thiazolyl tetrazolium salt indicators |
Jun. 21, 1994 |
| 5290536 |
Phenyl substituted 2-thiazolyl tetrazolium salt indicators |
Mar. 1, 1994 |
| 5176896 |
Apparatus and method for generation of control signal for Claus process optimization |
Jan. 5, 1993 |
| 5141873 |
Process for the selective determination of the concentration of a substance dissolved in a solvent by osmotic pressure measurement |
Aug. 25, 1992 |
| H1093 |
HCL monitoring apparatus and method for process gas streams |
Aug. 4, 1992 |
| 5134080 |
Fluid component detection method |
Jul. 28, 1992 |
| 5120511 |
Adsorber bed life monitor |
Jun. 9, 1992 |
| 5110744 |
Method for process control |
May. 5, 1992 |
| 5087574 |
Fluid component detection method with feedback |
Feb. 11, 1992 |
| 5063164 |
Biomimetic sensor that simulates human response to airborne toxins |
Nov. 5, 1991 |
| 5057191 |
Processing method or photographic processing waste liquor |
Oct. 15, 1991 |
| 5049508 |
Apparatus and process for total sulfur determination |
Sep. 17, 1991 |
| 5010021 |
Method for restoring the sensing capacity of an electrical sensor |
Apr. 23, 1991 |
| 4977093 |
Process for analyzing carbonyl sulfide in a gas |
Dec. 11, 1990 |
| 4929561 |
Absorption-emission optrode and methods of use thereof |
May. 29, 1990 |
| 4879245 |
Measuring the concentration of two components in a gas blend |
Nov. 7, 1989 |
| 4836999 |
Method for controlling claus furnace with variable hydrocarbon feed composition |
Jun. 6, 1989 |
| 4780417 |
Rapid extraction, separation, and detection method for a separate analysis of free and total sulfites in foods by ion chromatography |
Oct. 25, 1988 |
| 4772298 |
Control of a H.sub.2 S absorber |
Sep. 20, 1988 |
| 4575433 |
Method of generating chemiluminescent light |
Mar. 11, 1986 |
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