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Class Information
Number: 252/191
Name: Compositions > Co, s, negative element, or acid, bindant containing > Basis-iron containing
Description: Compositions which contain elementary iron, or an oxide of iron, or other basic iron compound.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6616861 |
Rapid oxygen absorption by using activators |
Sep. 9, 2003 |
| 6126911 |
Metal oxide product suitable for use in dehydrated gas |
Oct. 3, 2000 |
| 5520898 |
Method for the preparation of highly reactive clay composites for the removal of sox from flue gas streams |
May. 28, 1996 |
| 5472633 |
Process for the preparation of a stable salt-free iron chelate for use in hydrogen sulfide abatement |
Dec. 5, 1995 |
| 5462693 |
Air purifying agent and a process for producing same |
Oct. 31, 1995 |
| 5352425 |
Sorbent for treatment of effluent gas stream |
Oct. 4, 1994 |
| 5334564 |
Method for the preparation of highly reactive clay composites for the removal of SO.sub.x from flue gas streams |
Aug. 2, 1994 |
| 5320773 |
Composition and method for purifying water |
Jun. 14, 1994 |
| 5308534 |
Alkaline-earth based sorbent for removing effluent from a gas stream |
May. 3, 1994 |
| 5282999 |
Sorbent for treatment of effluent gas stream |
Feb. 1, 1994 |
| 5223173 |
Method and composition for the removal of hydrogen sulfide from gaseous streams |
Jun. 29, 1993 |
| 5149459 |
H.sub.2 S removal composition |
Sep. 22, 1992 |
| 5149460 |
Composition for H.sub.2 S removal |
Sep. 22, 1992 |
| 5130037 |
Process for the froth flotation of oxide and salt type minerals and composition |
Jul. 14, 1992 |
| 5096691 |
H.sub.2 S abatement with stabilized chelates in geothermal drilling |
Mar. 17, 1992 |
| 5026503 |
Composition and method for removing hydrogen sulfide from gas streams |
Jun. 25, 1991 |
| 4961873 |
Absorbent composition containing a severely-hindered amine mixture with amine salts and/or aminoacid additives for the absorption of H.sub.2 S |
Oct. 9, 1990 |
| 4895670 |
Addition of severely-hindered aminoacids to severely-hindered amines for the absorption of H.sub.2 S |
Jan. 23, 1990 |
| 4894179 |
Absorbent composition containing a tertiary amino azabicyclic alcohol and an amine salt |
Jan. 16, 1990 |
| 4894178 |
Absorbent composition containing severely-hindered amine mixture for the absorption of H.sub.2 S |
Jan. 16, 1990 |
| 4892674 |
Addition of severely-hindered amine salts and/or aminoacids to non-hindered amine solutions for the absorption of H.sub.2 S |
Jan. 9, 1990 |
| 4871468 |
Method and composition for the removal of hydrogen sulfide and carbon dioxide from gaseous streams |
Oct. 3, 1989 |
| 4774071 |
Process and composition for the removal of hydrogen sulfide from gaseous streams |
Sep. 27, 1988 |
| 4708854 |
Process for the removal of NO from fluid streams using a water-soluble polymeric chelate of a polyvalent metal |
Nov. 24, 1987 |
| 4683076 |
Process for the removal of H.sub.2 S from geothermal steam and the conversion to sulfur using ferric chelate and cationic polymer |
Jul. 28, 1987 |
| 4675169 |
Process for removing sox and nox compounds from gas streams |
Jun. 23, 1987 |
| 4622212 |
Hydrogen sulfide removal |
Nov. 11, 1986 |
| 4550098 |
Methods for the removal of gaseous impurities from mixed gas streams |
Oct. 29, 1985 |
| 4532118 |
Process for removal of hydrogen sulfide from gases |
Jul. 30, 1985 |
| 4532117 |
Method for reconditioning bacteria-contaminated hydrogen sulfide removal systems |
Jul. 30, 1985 |
| 4505776 |
Composition and method for treating flue gas and methanol containing effluents |
Mar. 19, 1985 |
| 4478803 |
Dry scrubbing of SO.sub.2 from mixtures |
Oct. 23, 1984 |
| 4388877 |
Method and composition for combustion of fossil fuels in fluidized bed |
Jun. 21, 1983 |
| 4366179 |
Oxygen and carbon dioxide absorbent and process for storing coffee by using the same |
Dec. 28, 1982 |
| 4341745 |
Process for eliminating acidic components from waste gases |
Jul. 27, 1982 |
| 4252778 |
Fuel gas desulfurization |
Feb. 24, 1981 |
| 4238463 |
Method for desulfurizing gases with iron oxide |
Dec. 9, 1980 |
| 4222991 |
Process for removing SO.sub.x and NO.sub.x compounds from gas streams |
Sep. 16, 1980 |
| 4207201 |
Process for the manufacture of an aqueous iron (III)-chloride-sulfate solution |
Jun. 10, 1980 |
| 4201751 |
Gas purification |
May. 6, 1980 |
| 4166807 |
Oxygen absorbent |
Sep. 4, 1979 |
| 4157988 |
Method and composition for removing sulfur dioxide from flue gases |
Jun. 12, 1979 |
| 4089809 |
Regenerable sorbent and method for removing hydrogen sulfide from hot gaseous mixtures |
May. 16, 1978 |
| 4061716 |
Process for the production of sorbent solids for use in the desulfurization of gases |
Dec. 6, 1977 |
| 4011098 |
Spill control composition and use thereof |
Mar. 8, 1977 |
| 4008169 |
Preparation of iron oxide sorbent for sulfur oxides |
Feb. 15, 1977 |
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