Did You Know...
...that when IBM conducted a market study of Chester Carlson's invention in 1959, the company concluded that it would take only 5000 units of his new product to saturate the market? IBM therefore declined to be part of the new product introduction. Too bad for IBM. Carlson's invention was the xerography process, and his new product was the beginning of the Xerox Corporation. It is estimated that every day, worldwide, 3,000,000,000 copies are made!!
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| Number | Title | Issue Date |
| 7811459 | Fatty acid containing compounds and methods of using same A novel series of compositions with aqueous chemicals decontamination activity and their uses is described. The preparation of esters of fatty acids with polyols that contain lactic acid is also described. These novel compositions release hydroxy acid and fatty acid... | 10/12/2010 |
| 7419605 | Method for treating metal-contaminated water and soil A method for removing metal contaminants from water uses lignin derivatives, such as lignosulfonates and kraft lignin, a coagulant, such as a metal salt, and a pH-increasing composition. The lignin derivative is dispersed in the contaminated water, the coagulant is ... | 09/02/2008 |
| 7384573 | Compositions for wastewater treatment Methods and compositions for wastewater treatment. The compositions comprise CaCO3, MgCO3, lanthanum chloride, or chitosan, and can be applied easily with conventional wastewater treatment processes and equipments. The methods and compositions ... | 06/10/2008 |
| 7374690 | Processes 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... | 05/20/2008 |
| 7323434 | Electropositive production well treating fluid and method of preparing the same An electropositive and water-based production well treating fluid system exhibits electropositivity by using a cationic viscosifier meanwhile matched with a cationic fluid loss additive and, optionally, contains a mud-building agent, an electrical stabilizing agent,... | 01/29/2008 |
| 7264729 | Process for reducing contaminants in condensate resulting from the conversion of bauxite to alumina This invention relates to a process for reducing the contaminants in condensate resulting from the conversion of bauxite to alumina. ... | 09/04/2007 |
| 7192527 | Processes 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 |
| 7169309 | Polysaccharides with oxime or amine functions which are used for water treatment and sludge conditioning The invention relates to a particular polymer which is derived from a copolymer polysaccharide formed by a main chain comprising similar or different anhydrohexose units and branches including at least one neutral or anionic anhydropentose and/or anhydrohexose unit.... | 01/30/2007 |
| 7157009 | Method for removing oocysts from water A method for stabilizing and removing Cryptosporidium oocysts or Giardia cysts from water. The method comprises adding chitosan, a salt or solution of chitosan to water containing Cryptosporidium oocysts or Giardia cysts and a halogenatin... | 01/02/2007 |
| 7070685 | Method and device for decontaminating water which contains metal and/or is radioactively contaminated The invention relates to an efficient process and device for the decontamination of waters polluted with heavy metals, semimetals and/or radionuclides by cation exchange and electrochemical deposition of the anions. ... | 07/04/2006 |
| 7048859 | Method for treatment of aqueous streams comprising biosolids A process is provided which can be used to clarify substantially aqueous streams and optionally separate biosolids, especially proteins, from food processing operations which comprises contacting an aqueous stream comprising biosolids with an anionic inorganic collo... | 05/23/2006 |
| 7033507 | Method for removing metals from acid mine drainage A method for removing metal contaminants from acidic mine wastewater using lignin derivatives, such as lignosulfonates and kraft lignin, an alkali coagulant, such as a lime compound, and an alkaline composition for increasing the pH. The lignin derivatives are dispe... | 04/25/2006 |
| 6846417 | Co-retarding agents for preparing purified brine The invention relates to a process to produce brine of improved purity by dissolving salt that contains a calcium sulfate source in water, in the presence of a retarding agent, while using one or more co-retardants to bind contaminants that could interfere with the ... | 01/25/2005 |
| 6846420 | Process for removing oil from solid materials recovered from a well bore The present invention provides a process and an additive package for removing oil from solid material recovered from a well bore, e.g., drill cuttings and produced sand. In this process, the solid material is passed from the well bore to a separation zone. An aqueou... | 01/25/2005 |
| 6821427 | Methods for reducing the amount of contaminants in water In one aspect the present invention provides purification devices for reducing the amount of contaminants in water, each device includes a water-soluble flocculant disposed within a body defining a multiplicity of pores, wherein the pores have an average diameter in... | 11/23/2004 |
| 6821440 | Treatment of mineral materials A process in which material comprising an aqueous liquid with dispersed particulate solids is pumped as a fluid then allowed to stand and rigidify and the rigidification is improved whilst retaining the pump ability of the material by combining polymeric particles w... | 11/23/2004 |
| 6726845 | Dextran starch and flocculant combination for improving red mud clarification The claimed invention is a method for separating Bayer process red mud from a Bayer process liquor which comprises adding to a Bayer process liquor containing red mud an effective amount of a water soluble synthetic flocculant, dextran and starch combination. The fl... | 04/27/2004 |
| 6716357 | Method of removing phosphoric acid containting wastewater A method of removing phosphoric acid contained in wastewater which comprises comprehensively immobilizing calcium or a compound thereof with a solid polymer optionally together with magnetite and contacting the calcium-containing polymer with the wastewater to react... | 04/06/2004 |
| 6712969 | Methods of phosphorous reduction in stormwater runoff systems using iron humate A method of phosphorous reduction in stormwater runoff using iron humate, such as in the form of a filter, a layered filter bed, a stacked wall or a liner. The stormwater (fluid) runoff is sent to a fluid retention area such as a retention pond, wetland reservoir or... | 03/30/2004 |
| 6676840 | Fat and protein removal from process streams The precipitation and removal of suspended fat and protein components and other suspended solids from a given solution can be accomplished by the addition of an aluminate to complex with the fat and protein components and the addition of a flocculating ag... | 01/13/2004 |
| 6673263 | Compositions incorporating chitosan for paint detackification A composition and method for treating oversprayed paints in paint spray booths is provided. The composition includes an aqueous solution of a compound such as chitosan, and a complex metal salt, such as aluminum chlorohydrate, capable of flocculating the ... | 01/06/2004 |
| 6602410 | Water purifying kits A kit for purifying water comprises a first container for receiving untreated water, and a second container for receiving purified water and having a dispensing spigot. A water purification composition, when mixed with water in the first container, produc... | 08/05/2003 |
| 6555010 | Solution mining process for removing metals from aqueous solution A process is disclosed for obtaining colloid-forming metal particles from an aqueous mine waste solution containing that metal in ionic form. In accordance with this process, an aqueous mine waste solution containing that metal in ionic form is provided h... | 04/29/2003 |
| 6533938 | Polymer enhanced diafiltration: filtration using PGA A method is describe for removing metal ions of interest from aqueous solutions containing low concentrations of the metal ions of interest. The method involves the use of a microbially produced polymer, γ-glutamic acid. The polymer is used in conjunctio... | 03/18/2003 |
| 6527959 | Method of clarifying bayer process liquors using salicylic acid containing polymers A method of flocculating suspended solids in a Bayer process liquor comprising adding to the liquor an effective amount of a polymer comprising salicylic acid groups.... | 03/04/2003 |
| 6478986 | Manufacturing process for quaternary ammonium tannate, a vegetable coagulating/flocculating agent The present invention refers to a process for preparing a coagulating/flocculating agent comprising the following steps: a) mixing an aldehyde, an ammonium salt, and a mineral acid catalyst in a reaction vat at a temperature below 45° C. in an aqueous me... | 11/12/2002 |
| 6444128 | Organic waste removal from process streams The precipitation and removal of suspended organic containing particles, such as starch, and other suspended solids from a given solution can be accomplished by the addition of multivalent metal ions and their complexes in order to form metal ion/organic ... | 09/03/2002 |
| 6423234 | Air and water purification using continuous breakpoint halogenation A process for optimizing the rate of oxidation using halogen, e.g. chlorine donors to prevent the accumulation of undesirable chlorinated by-products. The feed rate of a chlorine donor is controlled for maintaining a desired ORP. The amount of free haloge... | 07/23/2002 |
| 6409926 | Air and water purification using continuous breakpoint halogenation and peroxygenation A process for optimizing the rate of oxidation using a combination of halogen, e.g. chlorine donors and peroxygen, e.g. potassium monopersulfate. The peroxygen compound elevates the oxidation-reduction potential of the body of water being treated. Simulta... | 06/25/2002 |
| 6379559 | Method of making sludge precipitated in a chromium plating impurity recovery electrolysis tank harmless The aim of this invention is to resolve problems in sludge treatment methods, and to render sludge containing harmful substances produced in large amounts in chromium plating works harmless with reproducibility by effective use of certain substances. The ... | 04/30/2002 |
| 6375853 | Methods of using modified natural products as dewatering aids for fine particles Naturally occurring lipids of vegetable and animal origin are broken into smaller molecules, and used as dewatering aids. The process of breaking the molecules include transesterification, interesterification, and saponification followed by acidulation. T... | 04/23/2002 |
| 6372145 | Fat and protein removal from process streams The precipitation and removal of suspended fat and protein components and other suspended solids from a given solution can be accomplished by the addition of an aluminate to complex with the fat and protein components and the addition of a flocculating ag... | 04/16/2002 |
| 6365116 | Rheology modification of settled solids in mineral processing The present invention comprises a method for reducing the viscosity of the settled mud or underflow of a raked thickener thereby reducing the torque necessary to move the rake blade through the settled mud. The method includes the step of delivering a vis... | 04/02/2002 |
| 6346616 | Chloro-, hydroxy- and alkoxysilane derivatives of polysaccharides or oligosaccharides, polymerizable and cross-linkable, their synthesis and their use as sources of novel support materials There are described chloro-, hydroxy- and alkoxysilane derivatives of polysaccharides or oligosaccharides as novel compounds which are polymerizable and cross-linkable, and a method for obtaining them; novel support materials obtained from said derivative... | 02/12/2002 |
| 6280628 | Biodegradable complexing agents for heavy metals Heavy metals including lead, copper, zinc, and cadmium, are effectively extracted from sludge mixtures by treatment of the mixture with carboxyl derivatives of fructans, having a degree of substitution of 0.2-3.0.... | 08/28/2001 |
| 6261460 | Method for removing contaminants from water with the addition of oil droplets A method for removing a contaminant from water includes mixing droplets of a substantially non-water soluble oil with water to combine with the contaminant. The oil can include polar or ionic functional groups. A chemical destabilizer is added to the wate... | 07/17/2001 |
| 6261459 | Process for the elimination of livestock wastewater odors and wastewater treatment An improved process for the treatment of water, selected from livestock wastewater and a livestock water stream, which process comprises adding to said water a composition comprising a sufficient amount of an acid to lower the water pH to less than 3.5 to... | 07/17/2001 |
| 6231768 | Rheology modification of settled solids in mineral processing The present invention comprises a method for reducing the viscosity of the settled mud or underflow of a raked thickener thereby reducing the torque necessary to move the rake blade through the settled mud. The method includes the step of delivering a vis... | 05/15/2001 |
| 6214230 | Composition and method for removing suspended solids from wastewater The invention comprises the use of bacterially generated polymers as coagulants and flocculents for the removal of suspended solids from wastewater. Polymer producing bacteria such as Bacillus polymyxa NRRL 21881 are added to wastewater treatment systems.... | 04/10/2001 |
| 6203711 | Method for treatment of substantially aqueous fluids derived from processing inorganic materials A process is provided which can be used, for example, to clarify substantially aqueous fluids and separate solids from the fluid. The process comprises combining the fluid with a composition which comprises an anionic silica-based colloid having an S valu... | 03/20/2001 |
