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

Icon_funbox Did You Know...

...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!

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 252/179 - Water-insoluble base-exchange agent containing


Subclass of Class 252 - Compositions
Definition: Compositions which contain substantially water-insoluble
No. of patents: 194
Last issue date: 07/01/2008


1          
NumberTitleIssue Date
7393466Compositions and methods for anion absorbent metal hydroxides
A metal hydroxide complex has a formula Me(OH)4*A−*nH2O or MeO2*A−*nH2O. Preferred complexes are formed in an alkaline medium, and particularly especially preferred anions include cyanide and cyanide gold complexes. Contemplated complexes a...
07/01/2008
7338617Process for preparing a flocculant for water treatment
The invention provides metal-silica polymeric flocculants having high coagulation performance which are used for water treatment, particularly to remove suspended materials and other impurities from irrigation water, waste water or the like. A silica sol having a Si...
03/04/2008
7282467Catalysts support, a supported group VIII metal catalyst and precursor thereof, processes for their preparations, and use of the supported group VIII metal catalyst
A process for preparing a catalyst support or a supported Group VIII metal catalyst or a precusor of the supported Group VIII metal catalyst, which process comprises (a) exerting mechanical power on a mixture comprising a refractory oxide and a first liquid to obtai...
10/16/2007
7252767Hydrous zirconium oxide, hydrous hafnium oxide and method of making same
The present invention features a method of making hydrous zirconium oxide having desirable properties, including resistance to moisture content, predetermined particle size, and developed porosity and surface area. The inventive material is suitable for use as an io...
08/07/2007
7238530Isolation and amplification of nucleic acid materials
The invention relates to methods for easily separating single stranded nucleic acid material from double stranded nucleic acid material in a sample containing both. By the right choice of at lease one chaotropic agent, preferably a guanidine salt, at a selected conc...
07/03/2007
7235510Catalysts
A tethered ligand comprising the reaction product of an organofunctional silica and a ligand containing a functional group capable of reaction with said organofunctional silica, wherein the organofunctional silica is prepared from an alkyl silicate and an organofunc...
06/26/2007
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
7135156Method for processing a zirconium oxide composition in crystalline form
Methods of producing zirconium oxide compositions and using same are provided. The zirconium oxide compositions in crystalline form can be prepared by a synthetic process wherein the hydrolysis of zirconyl chloride and particle formation can be achieved simultaneous...
11/14/2006
7098327Dual-functional ion exchange resins from agricultural by-products
A process for the production of dual-functional ion exchange resins from lignocellulosic agricultural material involving anionization of the lignocellulosic agricultural material with citric acid and then cationization of the lignocellulosic agricultural material wi...
08/29/2006
7033511Sustained water treatment in dental equipment
An antimicrobial composition, methods of making the composition, and methods of using the composition. The composition comprises a substantially dry mixture of effective amounts of one or more quaternary ammonium compounds, one or more oxidizing agents, and one or m...
04/25/2006
7015254Description of an inorganic polymer “electret ”in a colloidal state along with the method of generating and applications
The present invention includes an apparatus for generating an inorganic polymer electret in a colloidal state, the inorganic electret in a colloidal state itself, and applications for the inorganic electret in a colloidal state. The invention includes a method for g...
03/21/2006
7004328Process for extracting and purifying naturally occurring zeolite
A process for extracting and purifying naturally occurring zeolite from ores in the presence of other mineral phases by using mechanical dispersion and differential suspension to remove a majority of the clay content of the ore. The process continues by removal of c...
02/28/2006
6827874Water treatment compositions
Compositions, methods and kits for purifying, clarifying nutrifying and any combination thereof, contaminated drinking water, which contain a primary coagulant material and a bridging flocculent material. The levels and ratios of coagulant to flocculent preferably f...
12/07/2004
6716366Chemical composition for treatment of nitrate and odors from water streams and process wastewater treatment
Novel compositions are described for use in nitrate removal and treatment of water such as water and wastewater streams produced by processes in mining operations, agriculture industries operations, industrial operations, military operations, etc. These novel compos...
04/06/2004
6656876Squaric acid activated carrier usable for immobilization of compounds containing amine groups
A storage stable composition comprising a carrier usable for the immobilization of compounds containing an amine group, for instance biomolecules and/or affinity ligands. The carrier has been activated to exhibit a squaric acid derivative linked to the ca...
12/02/2003
6649083Combined porous organic and inorganic oxide materials prepared by non-ionic surfactant templating route
A synthetic, semi-crystalline, porous inorganic oxide composition containing a reactive organic silane moiety which on the surface of pore walls. The composition is prepared from a poly(oxyalkylene) based surfactant and a hydrolyzable organic silane. The ...
11/18/2003
6610275Device for treating drinking water to make it hostile to dental plaque
A device for treating potable water contains a mixed buffer of a cation exchange resin in the hydrogen ion form and an anion exchange resin, a chelating agent and a sparingly soluble calcium salt, all contained in a porous, flow-through bag....
08/26/2003
6558547Material for introducing physiologically essential inorganic elements into drinkable water
A material for introducing inorganic elements into water, the material including a carrier and a plurality of inorganic compounds that are sparingly soluble in water, wherein the carrier is an organic ion-exchanger having a porous structure in the air-dry...
05/06/2003
6527975Mineral oxide liquid concentrates for water and wastewater treatment
A process for making a mineral oxide concentrate useful as a flocculent, coagulant and/or disinfectant for the treatment of water and wastewater comprises extracting minerals from a natural mineral deposit rich in aluminum, magnesium, potassium and iron; ...
03/04/2003
6461535Composition for arsenic removal from ground water
The present invention provides a process for removing arsenic from ground water to be processed and used in remote dwellings. The process includes (a) contacting a clay, a coagulant, and an oxidizer with water containing arsenic to form a coagulated collo...
10/08/2002
6461446Washing process and washing unit
Washing items are washed simultaneously with softening washing water comprising alkali metal ion and at least one of carbonate ion and bicarbonate ion. The washing water before being softened is obtained by electrolyzing an aqueous solution of sodium hydr...
10/08/2002
6403177Use of tetraphenylborate for extraction of ammonium ions and amines from water
A method of removing ammonium ions or amines from contaminated water includes treating the water with sodium tetraphenylborate under acidic conditions. Advantageously, the tetraphenylborate is immobilized on polymer beads and the water is contacted with t...
06/11/2002
6203722Stabilized liquid lime dispersion for sewage treatment
A stabilized lime slurry for treatment of biological solids in sewage. The composition preferably includes 30-36% calcium hydroxide, 10-16% potassium hydroxide, 2-4% potassium chloride, 2-4% magnesium hydroxide, all on a dry basis, and the balance in wate...
03/20/2001
6187192Microbiological water filter
A method and device for the filtration and/or purification of fluids water or other solutions containing microbiological contaminants, such as fluids containing including bacteria and/or viruses, where the fluid water is passed through a purification mate...
02/13/2001
6153574Water-softening and detergent compositions
The speed of disintegration of tablets containing a water-softening agent, especially water-insoluble, water-softening agent intended as detergency builder for fabric washing is enhanced by incorporating spray-dried partially hydrated sodium acetate alone...
11/28/2000
6093688Water softening and detergent compositions
The speed of disintegration of tablets containing a water-softening agent, especially water-insoluble, water-softening agent intended as detergency builder for fabric washing is enhanced by incorporating sodium acetate trihydrate, potassium acetate or a m...
07/25/2000
6042743Method of processing peat for use in contaminated water treatment
A method of processing peat for use in treating a contaminated aqueous solution, especially storm water runoff entering a sewer system. The method includes mixing raw peat with heated sulfuric acid to produce a slurry. The slurry is dried and then mixed w...
03/28/2000
5989714Synthetic mineral microparticles
A composition comprising the product precipitated in the admixing of a soluble metal salt and one or more compounds having a component selected from silicates, phosphates and borates; and a method for controlling drainage and/or retention in the formation...
11/23/1999
5976401Agent for removing phosphates, nitrates and nitrites from wastewater
A method for treating phosphate-containing waste water comprising treating phosphate-containing waste water with a metal hydroxide complex as a phosphate adsorbent represented by the formula: M1-x2+ Mx3+ (OH-
11/02/1999
5948383Hybrid zeolite-silica compositions
This invention relates to zeolitic molecular sieve compositions characterized by outstanding capability to complex multivalent cations, especially calcium. In particular, the invention relates to novel zeolitic molecular sieve compositions, especially tho...
09/07/1999
5942207Method for making white zeolitic detergent builder from using a solid particulate source of alumina
This invention relates to zeolitic molecular sieve compositions characterized by outstanding capability to complex multivalent cations, especially calcium. In particular, the invention relates to novel zeolitic molecular sieve compositions, having a high ...
08/24/1999
5925284Shaped article and process for preparing the article
Applicants have developed a unique process for preparing a shaped article comprising an ion exchange composition and a hydroxy oxide binder. The ion exchange compositions include metallotitanates, metallogermanates, pillared clays and metal phosphonates. ...
07/20/1999
5885478Concrete mix water
Water having alkalies selected from sodium, potassium and mixtures thereof dissolved therein is treated with a composition to reduce the concentration of the alkalies whereby the water is rendered usable according to ASTM standards to render the water usa...
03/23/1999
5853618Foam
The present invention concerns a foam having a bulk density of less than 250 g/l; the foam having a stability in air of at least 15 seconds (and preferably at least 30 seconds), the stability being defined as the time for the foam to collapse to half its ...
12/29/1998
5830388Coagulating and flocculating agent and method for making it
A coagulating and flocculating agent based on aluminum pentahydroxychloride for purifying and treating water and/or waste water and/or sludge and/or other contaminated liquids as well as to separate suspended and colloidal particles from liquids in indust...
11/03/1998
5814209Method for ecological utilization of acid effluents of fuller's earth
Disclosed is a process for the ecological usage of acid effluents. Also disclosed is a sorption agent which is characterized in that an acid effluent, created from the production of fullers earth which contains as main ingredients Fe2+/3+ -, Al...
09/29/1998
5662826Process for the preparation of a coagulating chemical comprising dissolving a solid zeolite in a solution of trivalent metal salt
The present invention relates to a process for the preparation of a coagulant for water purification, in particular purification of sewage water, for pulp and paper manufacture, for dewatering organic matter, for concentrating minerals, and containing a m...
09/02/1997
5614161Crystalline sheet sodium silicate
The invention relates to a crystalline sheet sodium silicate of the general formula xNa2 O.multidot.ySiO2 .multidot.zP2 O5 in which the ratio of x to y corresponds to a number from 0.35 to 0.6, the ratio of x to z corresp...
03/25/1997
5575945Chemical treatment system for producing odor and taste-free potable water
A treatment system to treat microbially contaminated water and provide a resultant product which is odor and taste-free is disclosed. The system comprises separate quantities of hypochlorite and peroxide generating chemicals. The system is used by first a...
11/19/1996
5494488Detergent composition and method of use with surfactant, silicate, and polycarboxylate
A detergent composition with improved dirt-suspending power, method for its production and use of a suitable polycarboxylate for this purpose. The novel detergent contains, in addition to the customary components such as surfactant, calcium-binding silica...
02/27/1996
1          
 
Sign InRegister
Username  
Password   
forgot password?