U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Celebrity Inventors

Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 210/723 - Utilizing precipitant, flocculant, or coagulant, each with accelerator or with each other or plural precipitants, flocculants, or coagulants


Subclass of Class 210 - Liquid purification or separation
Definition: Process wherein two or more materials are added to the liquid,
No. of patents: 258
Last issue date: 04/16/2013


1              
NumberTitleIssue Date
8419947Water treatment method comprising a rapid settling step followed by a filtration step directly on micro-or ultra-filtration membranes, and corresponding device
A method for treating water includes directing the water to a ballasted flocculation system and mixing a coagulant, flocculant and a ballast with the water. Solids are separated from a clarified effluent at a speed greater than 15 m/h. The method further includes fi...
04/16/2013
7964102Titanium composition for water treatment and method
A personally portable water purification compound prepared in unit dosage form such as tablets, packages and the like and having titanium dioxide (TiO2) in the form of fine particles, and adsorbed chlorine held at the surface of the titanium dioxide parti...
06/21/2011
7666311Flocculating agent
Among flocculating agents reacting in a neutral region and also leaving treated water also in neutral region, a flocculating agent is proposed, which can be used simply and may carry out effective cleaning of mud water in particular. A flocculating agent is p...
02/23/2010
7514006Field water purification system
A lightweight water treatment system which can be easily distributed and employed by disaster survivors for treating locally available water sources. The lightweight water treatment system includes a water treatment agent for treating a predetermined volume of water...
04/07/2009
7491337Method and apparatus for removing contaminants from water
A method and apparatus is provided for the purification of water, in particular to the removal of surfactants and optionally organic, inorganic and/or biological contaminants from water using adsorption filtration techniques. ...
02/17/2009
7413681Process to dewater a soot water slurry obtained in a gasification process
A process for partial oxidation of a hydrocarbon gas or liquid, involving the steps of partial oxidation and removal of soot by forming a slurry having water and carbon from the gaseous oxidation product, and separating part of the water from the slurry to obtain a ...
08/19/2008
7354733Method for sorting and separating living cells
We disclose methods of sorting or separating mixtures of living cells (e.g., eukaryotic, prokaryotic, mammalian, pathogenic, bacterial, viral, etc.). We perform our methods by activating cell-selective photophoric labels, which photosensitize and chemically reduce a...
04/08/2008
7338603Process using rare earths to remove oxyanions from aqueous streams
Oxyanions of various contaminant elements, such as chromium, antimony, molybdenum, tungsten, vanadium and uranium, are removed from water and other aqueous feeds by treating the feed with (1) a sorbent comprising one or more rare earth compounds, usually mixed or su...
03/04/2008
7338604Process for recycling paint flush solution
A process for removing solids from a water-based flush solution, The process includes: providing dirty flush solution; directing the dirty flush solution to a treatment vessel; adding one or more chemicals to the treatment vessel to form a treated flush solution; se...
03/04/2008
7326346High capacity regenerable sorbent for removal of arsenic and other toxic ions from drinking water
The present invention is directed to a sorbent comprising a disordered polyvalent metal oxide on the surface of an inert substrate. The substrate can be a layered silicate, such as vermiculite, an aluminosilicate such as montmorillonite, or a nonlayered silicate suc...
02/05/2008
7316782Filter apparatus for removing sulfur-containing compounds from liquid fuels, and methods of using same
A fuel filter for removing fuel impurities, particularly thiophenes, includes a hollow housing having a filter element therein. The filter element includes a substrate, which may include a nonwoven fiber web, a plurality of particles, or both of these. Where particl...
01/08/2008
7310892Method of producing a soil enrichment product from dewatered sludge
A method of pasteurizing dewatered sludge into valuable soil conditioners is provided. Unpasteurized dewatered sludge is introduced into a first end of an dryer and maintained under vacuum pressure. Moisture is removed using a condenser and knock out tank while a bo...
12/25/2007
7306739Potato wastewater treatment method using a starch-complexing emulsifier
A method comprising treating a potato wastewater stream containing suspended free starch particles with a potato starch-complexing emulsifier to form agglomerated starch particle-emulsifier complexes, and separating the complexes from the remainder of said wastewate...
12/11/2007
7300585Method of treatment of effluent stream
A method for treating an effluent stream containing material which it is desired to remove from the effluent stream comprises treating the effluent stream with a solution of an acid and a first polymer to reduce the pH of the thus-treated stream to a range of about ...
11/27/2007
7294268Metal containing waste water treatment method and metal containing waste water treatment equipment
This metal containing waste water treatment method introduces a metal containing waste water from above into a submerged membrane separation tank 1 in which a reaction section 2, a submerged membrane section 3 having a submerged membrane 5
11/13/2007
7288199Ceramic filter and method for purifying water
A ceramic filter is provided including a substrate, a separation layer comprising titania and having an average pore size in a range of 0.08 to 1 μm and a thickness in a range of 5 to 20 μm, and an intermediate layer formed between the substrate and the separation...
10/30/2007
7255795Process for selectively removing molybdenum from liquid mixtures containing it together with vanadium
Process for selectively removing molybdenum from liquid mixtures containing it, in a quantity greater than (200) mg/l, together with vanadium characterized in that it comprises the following steps: bringing the liquid mixture to a pH of less than (3); adding a solut...
08/14/2007
7255793Methods for removing heavy metals from water using chemical precipitation and field separation methods
A two-step chemical precipitation process involving hydroxide precipitation and sulfide precipitation combined with “field separation ” technology such as magnetic separation, dissolved air flotation, vortex separation, or expanded plastics flotation, effectivel...
08/14/2007
7252843Composition for cleaning contained bodies of water
A composition and method for cleaning, sanitizing and maintaining contained bodies of water such as swimming pools, wading pools, fountains, ornamental ponds, etc. The composition includes pre-determined percentages of copper sulfate, zinc sulfate, and aluminum sulf...
08/07/2007
7244361Metals/minerals recovery and waste treatment process
A metals/minerals recovery and waste treatment process comprising a main separation stage in which a metal/mineral-bearing ore is slurried with water and separated into an enriched fraction and an aqueous metal/mineral waste fraction, and a waste sedimentation stage...
07/17/2007
7244596Separation of biomass from lactic-acid containing fermentation products by means of flocculation
The present invention is in the field of the preparation of lactic acid by means of fermentation, more particularly it is directed to processes to separate the biomass from the lactic acid-containing fermentation product by means of flocculation. We have foun...
07/17/2007
7244364FCC-CFD cat' fine desalting: a method and system for separating hydrocarbons and extracting catalyst fines from a slurry oil/catalyst fines/diluent mixture
The present invention comprises a method for separating hydrocarbons from catalyst fines in a slurry oil/catalyst fines/diluent mixture (SCDM) comprising the steps of removing SCDM from a slurry oil storage tank and combining the SCDM with crude oil entering a desal...
07/17/2007
7238287Method for providing safe, clean chlorinated recreational water
A solid formulation for use with sodium chloride and a chlorine generator to provide safe, clean chlorinated recreational water. The formulation comprises a chlorine stabilizing agent and a phosphate remover agent. An enhanced salt comprising a chlorine stabilizing ...
07/03/2007
7235175Device for treating hydrophilic sludge by hydraulic turbulence effect combined with oxidation and chemical reactions by additive input
A method and device for treating sludge and slime to enable reuse in soil upgrading and in building material systems. Hydrophilic sludge and slime having a water content not less than 70% are continuously treated in a manner which enables colloid removal, dehydratio...
06/26/2007
7229952Additive packages for removing oil from solid materials recovered from a well bore
An additive package for removing oil from solid material recovered from a well bore, e.g., drill cuttings and produced sand, is provided. The additive package includes an aqueous acidic solution containing a polymer substituted with an amino group, a halogenating ag...
06/12/2007
7208555Process for preparing polyvinylidene fluoride copolymer
The present invention provides a polyvinylidene fluoride copolymer capable of forming a uniform film, a solution of the copolymer and a thin film comprising the polyvinylidene fluoride copolymer. The polyvinylidene fluoride copolymer of the present invention is char...
04/24/2007
7201856Water treatment compositions
Compositions, methods and kits for purifying and clarifying and/or nutrifying contaminated drinking water and which comprise a primary coagulant material, a microbiocidal disinfectant and an oxidant system. Highly preferred compositions also contain one or more of a...
04/10/2007
7198722Process for pre-treating and desalinating sea water
Water containing dissolved salts, such as calcium sulfate, calcium chloride, magnesium sulfate, magnesium chloride, sodium carbonate, sodium chloride, sodium sulfate, calcium bicarbonate, and mixtures thereof, is treated to reduce the concentration of those salts. A...
04/03/2007
7195063Downhole sampling apparatus and method for using same
A method and apparatus for sampling formation fluid includes drawing formation fluid from the subterranean formation into the downhole tool and collecting the formation fluid in a sample chamber. An exit flow line is operatively connected to the sample chamber for s...
03/27/2007
7192527Processes for removing oil from solid wellbore materials and produced water
Processes for removing oil from a solid wellbore material such as drill cuttings or water such as produced by a subterranean formation include contacting the solid material/water with an amino-substituted polymer such as chitosan and a halogenating agent. The oil se...
03/20/2007
7183235High capacity regenerable sorbent for removing arsenic and other toxic ions from drinking water
The present invention is directed to a sorbent comprising a disordered polyvalent metal oxide on the surface of an inert substrate. The substrate can be a layered silicate, such as vermiculite, an aluminosilicate such as montmorillonite, or a nonlayered silicate suc...
02/27/2007
7144561Method for the preparation of iron hydroxide, iron oxide hydrate or iron oxide from filter salts of dilute acid recovery
Described is a method for the manufacture of iron hydroxide, iron oxide hydrate or iron oxide from filter salts from thin acid recovery, in which the filter salts are dissolved in water, the solution is adjusted to a pH of
12/05/2006
7141181Composition comprising amphoteric polymeric flocculants
A composition is provided which comprises amphoteric polymers comprising, as constituent monomer units, a cationic monomer unit, an anionic monomer unit, and optionally a nonionic monomer unit and having a 0.5% salted viscosity of 10 to 120 mPa·s, wherein said amph...
11/28/2006
7118631Method for separating substances from particulate solids
A method for separating a substance such as a hydrocarbon from a particulate material such as soil is provided. An aqueous slurry is formed and a shear force is applied to the slurry, such as in a reversible helical screw conveyor, while the slurry is vibrated. The ...
10/10/2006
7089681Method and apparatus for filtering and drying a product
The present invention relates to a method and apparatus for filtering and drying a product. In a preferred embodiment, the apparatus comprises a container having a plurality of porous walls and a plurality of solid walls that divide the container into a plurality of...
08/15/2006
7083731Precious metal scavenging from a liquid medium with a functionalised polymer fiber
A method for the recovery of a metal from a liquid medium containing the metal I solution or in finely divided insoluble from comprises contacting the medium with a functionalized polymer fiber capable of binding the metal and recovering the metal from the fiber. Th...
08/01/2006
7070747Process of eluting and recovering phosphorus from sludge
In a process of eluting phosphorus from sludge into a liquid phase and recovering the phosphorus efficiently, cell walls of microorganisms in the sludge are ruptured by a process selected from crushing sludge (for example, treating with an ultrasonic wave homogenize...
07/04/2006
7070693Process for treating septage
A process and apparatus for the treatment of septage, particularly grease trap waste, is disclosed. The inventive process will convert the septage into Biosolids (sludge) and water dischargeable to the environment. The treated septage achieves pathogen reduction, an...
07/04/2006
7048852Method and apparatus for treating water or wastewater to reduce organic and hardness contamination
A method of treating liquid including mixing coagulant with the liquid, introducing mixed coagulant and liquid into a primary reaction zone, containing an agitator, of a reactor which is substantially concentrically positioned with respect to a secondary reaction zo...
05/23/2006
7048781Chemically-impregnated silicate agents for mercury control
The present invention is directed to a contaminant removal agent comprising a polyvalent metal sulfide on the surface of an inert substrate. The substrate can be a layered silicate, such as vermiculite, an aluminosilicate such as montmorillonite, or a nonlayered sil...
05/23/2006
1              
 
Sign InRegister
Username  
Password   
forgot password?