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Class Information
Number: 252/189
Name: Compositions > Co, s, negative element, or acid, bindant containing
Description: Compositions which contain substances for, or peculiar to, use in chemically absorbing or binding extraneous CO, S, negative elements, acids, or acid-anhydrides (includes salts of weak acids).


Sub-classes under this class:

Class Number Class Name Patents
252/192 Alkali-metal or alkali-metal compound containing 125
252/191 Basis-iron containing 46
252/190 With absorbents 125


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
7585430 Plate-shaped pressed bodies Sep. 8, 2009
7374734 Absorbing agent and method for eliminating acid gases from fluids May. 20, 2008
7312251 Synthesis of stable solutions of rare earth tris (organophosphate) in hydrocarbon solvents Dec. 25, 2007
7135127 Laminated pressed articles Nov. 14, 2006
7115215 Method and composition for removing sulfides from hydrocarbon streams Oct. 3, 2006
7094820 Polymer additive compositions comprising highly versatile thermoplastic nucleators Aug. 22, 2006
6939393 Method for neutralizing a stream of fluid, and washing liquid for use in one such method Sep. 6, 2005
6767927 Synthesis of stable solutions of rare earth tris (organophosphate) in hydrocarbon solvents Jul. 27, 2004
6746623 Alkyl glycidyl ether-capped diamine foam controlling agent Jun. 8, 2004
6627110 Hydrogen sulfide removal process Sep. 30, 2003
6602443 Composition and method for acid gas treatment Aug. 5, 2003
6592779 Composition and method for acid gas treatment Jul. 15, 2003
6582574 pK-matched running buffers for gel electrophoresis Jun. 24, 2003
6436311 Sampling material for a carbonyl compound in a gas Aug. 20, 2002
6352653 Acid component-removing agent, method for producing it and method for removing acid components Mar. 5, 2002
6342169 Safe storage and transportation of sulfur dioxide Jan. 29, 2002
6337059 Absorbent compositions for the removal of acid gases from gas streams Jan. 8, 2002
6309618 Method for treating exhaust gas containing fluorine-containing interhalogen compound, and treating agent and treating apparatus Oct. 30, 2001
6267939 Absorbent composition for purifying gases which contain acidic components Jul. 31, 2001
6207121 Composition and process for removal of acid gases Mar. 27, 2001
6203722 Stabilized liquid lime dispersion for sewage treatment Mar. 20, 2001
6165432 Composition and process for removal of acid gases Dec. 26, 2000
6103252 Method for reducing deflagration of azinphos-methyl Aug. 15, 2000
6051161 Method for the removal of carbon dioxide present in gases and absorbent Apr. 18, 2000
6004477 Oxygen absorption composition Dec. 21, 1999
5980845 Regeneration of hydrogen sulfide scavengers Nov. 9, 1999
5951909 Composition for the detection of electrophilic gases and methods of use thereof Sep. 14, 1999
5783110 Composition for the detection of electrophilic gases and methods of use thereof Jul. 21, 1998
5780663 Process for producing carbonic acid diester Jul. 14, 1998
5709810 Mercerization wetting agent compositions Jan. 20, 1998
5705090 Absorption of mercaptans Jan. 6, 1998
5651917 Liquid scrubbing of gas-phase contaminants Jul. 29, 1997
5635150 Sorption of acidic gases by solid residue from sugar refining Jun. 3, 1997
5616283 High solids lime as a caustic replacement Apr. 1, 1997
5612276 Adsorbents for removing low-concentration nitrogen oxides Mar. 18, 1997
5602279 Primary hindered aminoacids for promoted acid gas scrubbing process Feb. 11, 1997
5531937 Water soluble cyclic amine-dicarboxylic acid-alkanol amine salt corrosion inhibitor Jul. 2, 1996
5520898 Method for the preparation of highly reactive clay composites for the removal of sox from flue gas streams May. 28, 1996
5503768 Halogen scavengers Apr. 2, 1996
5472638 Corrosion inhibitor Dec. 5, 1995
5472633 Process for the preparation of a stable salt-free iron chelate for use in hydrogen sulfide abatement Dec. 5, 1995
5439868 Absorbents for removing low-concentration nitrogen oxides Aug. 8, 1995
5427994 Lignosulfonate-modified calcium hydroxide for SO.sub.2 control during furnace injection Jun. 27, 1995
5366709 Liquid absorbent for acidic gases and process of deacidification of a gas Nov. 22, 1994
5352425 Sorbent for treatment of effluent gas stream Oct. 4, 1994
5348714 Liquid absorbing acidic gases and use thereof in diacidification of gases Sep. 20, 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
5310498 Sulfur dioxide removal from gases using a modified lime May. 10, 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

1 2 3 4


 
 
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