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Class Information
Number: 405/128.5
Name: Hydraulic and earth engineering > Soil remediation > In situ contaminant removal or stabilization > With treatment > Chemical
Description: Subject matter wherein a substance having specific chemical makeup or detail is applied to the soil to aid in (1) the removal of the impurity or pollutant or (2) the stabilization of the soil.

Sub-classes under this class:

Class Number Class Name Patents
405/128.55 With heat 41

Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8702986 Method of removing heavy metals in soils and water Apr. 22, 2014
8682584 Nitrogen potential index Mar. 25, 2014
8628659 In-situ contaminant remediation systems and methods Jan. 14, 2014
8608968 Compositions for bioremediation and methods for using Dec. 17, 2013
8585319 Methane venting system Nov. 19, 2013
8579544 Combined chemical oxidation/assisted bioremediation of contaminants Nov. 12, 2013
8574441 Process for removing oxidants from water injected into a subsurface aquifer to prevent mobilization of trace metals Nov. 5, 2013
8557110 Groundwater and subsurface remediation Oct. 15, 2013
8480903 Systems and methods for in-situ contaminant remediation Jul. 9, 2013
8471089 Process and plant for converting hazardous waste containing chromium VI into non-hazardous waste Jun. 25, 2013
8425151 Soil remediation Apr. 23, 2013
8333908 Fluorine insolubilizers and methods of producing same Dec. 18, 2012
8217215 Process and plant for converting hazardous waste containing chromium VI into non-hazardous waste Jul. 10, 2012
8206062 Soil remediation method and composition Jun. 26, 2012
8192705 Methods of treatment of chromite ore processing residue Jun. 5, 2012
8168846 Process and plant for converting hazardous waste containing chromium VI into non-hazardous waste May. 1, 2012
8163972 Zero-valent metallic treatment system and its application for removal and remediation of polychlorinated biphenyls (PCBs) Apr. 24, 2012
8002870 Agricultural compositions and methods for making and using the same Aug. 23, 2011
7976241 Soil remediation method and composition Jul. 12, 2011
7972408 Process and apparatus for further processing of sewage sludge and other materials to reduce pathogens and toxins Jul. 5, 2011
7927039 Method for improving vermiculite's intake of ammonium ions, absorption material, its uses and method of removing ammonium from environment Apr. 19, 2011
7887762 Pulsed ozone sparging for injecting a high volume high-concentration of ozone Feb. 15, 2011
7828495 System and method of chemical injection using an adjustable depth air sparging system Nov. 9, 2010
7748931 Chemical injection using an adjustable depth air sparging system Jul. 6, 2010
7718843 Iron powder for organic chlorinated compound decomposition and detoxifying treatment method using the same May. 18, 2010
7666316 Permanganate-coated ozone for groundwater and soil treatment with in-situ oxidation Feb. 23, 2010
7666313 Groundwater and subsurface remediation Feb. 23, 2010
7645606 In situ biodegradation of subsurface contaminants by injection of phosphate nutrients and hydrogen Jan. 12, 2010
7621696 Directional microporous diffuser and directional sparging Nov. 24, 2009
RE40734 Method for remediation of aquifers Jun. 16, 2009
7547160 Method of delivering a treatment substance to a target substance in a treatment zone Jun. 16, 2009
7547388 Superoxidant poiser for groundwater and soil treatment with in-situ oxidation-reduction and acidity-basicity adjustment Jun. 16, 2009
7468469 Dissolved oxygen releasing compound Dec. 23, 2008
7455477 Compound, method for stabilizing shwertmannite, method for clarifying polluted water or polluted soil, and method for adsorbing phosphoric acid Nov. 25, 2008
7442305 Downwash process bioremediation system Oct. 28, 2008
7427177 Method of using pulsed ozone to treat soils containing organic contaminants Sep. 23, 2008
RE40448 Method for remediation of aquifers Aug. 5, 2008
7312184 Recovery composition and method Dec. 25, 2007
7301066 Method of making and using nanoscale metal Nov. 27, 2007
7287933 Process for the remediation of soil polluted by organic compounds Oct. 30, 2007
7273962 Compositions and methods for removing heavy metals from contaminated samples using membranes provided with purified metallothionein (MT) proteins Sep. 25, 2007
7271199 Removal of PCB and other halogenated organic contaminants found in ex situ structures Sep. 18, 2007
7270499 Soil and/or groundwater remediation process Sep. 18, 2007
7255791 In situ method and apparatus for biodegradation of alkyl ethers and tertiary butyl alcohol Aug. 14, 2007
7252986 Process for the biodegradation of hydrocarbons and ethers in subsurface soil by introduction of a solid oxygen source by hydraulic fracturing Aug. 7, 2007
7213642 Multi-fluid sparging May. 8, 2007
7175770 Methods and systems for groundwater remediation Feb. 13, 2007
7166228 Method of treating a subsurface formation with ferrous iron to reduce contaminants to harmless species Jan. 23, 2007
7160471 In-situ generation of oxygen-releasing metal peroxides Jan. 9, 2007
7135605 Metal binding proteins and associated methods Nov. 14, 2006

1 2 3 4 5

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