Bizarre Patents
A fork with timer for providing a cue to a user after an elapsed period of time for indicating that another bite of food using the fork may be taken.
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.
| Number | Title | Issue Date |
| 5277815 | In situ biodegradation of groundwater contaminants Regulated processes for biodegrading halogenated organic compounds in an aqueous subsurface environment through stimulation of bacteria are provided. The processes provide an electron donor source to anaerobic dehalogenating bacteria as a stimulus for bio... | 01/11/1994 |
| 5275732 | Combined coarse and fine bubble separation system A high rate multi-stage bubble separation process is developed for: (a) initially generating coarse gas bubbles with diameters greater than 80 microns in turbulent hydraulic condition to mix an influent water with chemicals, enzymes, microorganisms, or co... | 01/04/1994 |
| 5275734 | Chemical pre-treatment and biological destruction of propylene carbonate waste streams effluent streams to reduce the biological oxygen demand thereof Disclosed is a method of treating a process stream from a process producing a non-biodegradable alkylene carbonate stream. The alkylene carbonate is hydrolyzed in a strong, aqueous, alkaline solution to form an aqueous alkaline solution of the correspondi... | 01/04/1994 |
| 5275741 | Reactor for photooxidations in an aqueous environment The object of the present invention is a method for the photocatalytic treatment of aqueous mixtures of polluting substances. Such a method consists in submitting such mixtures to irradiation in the presence of titanium dioxide while they are circulating ... | 01/04/1994 |
| 5273662 | Process for treating impregnation process waste water A curable composition, useful for impregnating porosity of porous articles, comprising acrylate monomer, heat- and/or anaerobic-cure initiator, and non-peroxy, actinic radiation photoinitiator. A method of treating waste water produced by aqueous washing ... | 12/28/1993 |
| 5271844 | Processes for the alkaline biodegradation of organic impurities In a process for biodegrading under highly alkaline conditions organics in a waste stream derived from a Bayer processing system for producing aluminum oxides, i) the waste stream being typical of oxalate waste streams resulting from alkaline treatment of... | 12/21/1993 |
| 5269943 | Method for treatment of soils contaminated with organic pollutants A method for treating soil contaminated by organic compounds wherein an ozone containing gas is treated with acid to increase the stability of the ozone in the soil environment and the treated ozone applied to the contaminated soil to decompose the organi... | 12/14/1993 |
| 5266214 | Photocatalytic method for treatment of contaminated water A method for treating an aqueous waste or groundwater containing organic contaminants.... | 11/30/1993 |
| 5266208 | System and method for cleaning water A process and system are provided for treating wastewater having at least a hydrocarbon component and water in which a multi-phase liquid system including an aqueous hydrocarbon-contaminated layer is formed and isolated from a remaining hydrocarbon-enrich... | 11/30/1993 |
| 5266213 | Cleaning halogenated contaminants from groundwater Groundwater is contained under highly reducing conditions. The Eh value is brought down to -100 or -200 mV, at which the contaminant breaks down, probably by a hydrolysis reaction. The contaminated groundwater is fed through a trench containing a metal su... | 11/30/1993 |
| 5264128 | Water purification process A process for purifying water, which comprises passing water contaminated with halogenated compounds through one or more fixed or fluidized bed reactors which are connected in series and packed with an adsorbent material which is inoculated with one or mo... | 11/23/1993 |
| 5258124 | Treatment of contaminated waste waters and groundwaters with photolytically generated hydrated electrons A process for treating an aqueous waste water or groundwater containing organic contaminants degradable by hydrated electrons comprises contacting the aqueous waste water or groundwater with an agent which generates hydrated electrons on photolysis. Addit... | 11/02/1993 |
| 5256300 | Absorption of materials The removal of organo-toxins from aqueous sources can be achieved efficiently by contacting the water source with hydrotalcite-like materials. The toxins include organo-chlorines, insect resist agents, and wool treatment byproducts.... | 10/26/1993 |
| 5252224 | Supercritical water oxidation process of organics with inorganics A method and apparatus is disclosed for oxidation of aqueous mixtures of organic material, including toxic material in the presence of inorganic materials, by reaction of said material with water and oxygen at supercritical conditions. Oxygen and the aque... | 10/12/1993 |
| 5252225 | Method for precipitating an organic resin from an alkaline solution thereof The use of aluminum sulfate to neutralize alkaline solutions yields a gelatinous precipitate. When neutralization of the solution causes other materials to precipitate along with the gel, filtration of the precipitated materials is very difficult because ... | 10/12/1993 |
| 5250193 | Wet oxidation of aqueous streams This invention relates to improved wet oxidation process for the destruction of organic components in a wastewater stream contaminated with inorganic salts. In wet oxidation, the wastewater stream is contacted with an oxygen-containing water stream at ele... | 10/05/1993 |
| 5244581 | Chemical process for the catalytic oxidation of formaldehyde and other organic compounds A chemical process for the catalytic oxidation of formaldehyde and other organic compounds contained in a dilute aqueous solution, particularly waste water. The inventive feature resides in the use of a cobalt catalyst, at ambient temperature, at a pH of ... | 09/14/1993 |
| 5244566 | Process for deabsorbing oil from oil absorbent A process is shown for deabsorbing oil from an oil absorbent material. A citric oil-in-water emulsion is formulated having an aqueous external phase and having a dispersed internal phase which is comprised of a distilled citric oil. The hydrocarbon contam... | 09/14/1993 |
| 5242598 | Solid phase extraction Hydrophobic contaminants are removed from a particulate matter by contacting the particulate matter with a solid organic phase. The hydrophobic contaminants have greater affinity for the solid organic phase than for the particulate matter and repartition ... | 09/07/1993 |
| 5234606 | Method and system for recovering wastewater Raw water such as polluted ground water can be recovered to clean water through the following processes. Firstly, oxidizing agent is added to raw water to disinfect bacteria, and then after suspended solid is removed from the water, ultraviolet rays are i... | 08/10/1993 |
| 5223147 | Process of treating contaminated soils Contaminated soils are treated in that an aqueous slurry of the soil is separated into a coarse fraction and a fine fraction, the fine fraction is subjected to flotation, the resulting froth is dewatered and then carried away as a pollutant concentrate, a... | 06/29/1993 |
| 5221486 | Aqueous phase removal of nitrogen from nitrogen compounds A method is disclosed for denitrification of compounds containing nitrogen present in aqueous waste streams. The method comprises the steps of (1) identifying the types of nitrogen compounds present in a waste stream, (2) determining the concentrations of... | 06/22/1993 |
| 5202106 | Purification of hydrochloric acid with ferric chloride pretreated activated carbon The present invention relates to a process for the pretreatment of activated carbon, capable of being employed especially for the purification of concentrated solutions of hydrochloric acid.... | 04/13/1993 |
| 5198122 | Method of detoxification of substances by utilization of ultrasonic energy An improved method for detoxification of contaminated liquids or solid materials by the application of ultrasonic energy to the material in the presence of agents capable of initiating chemical reactions with toxic contaminants, which chemical reactions f... | 03/30/1993 |
| 5196121 | Decomposition of halogenated aliphatic hydrocarbons in a bioreactor Methanotropics are grown in a bioreactor containing a solid support. They decompose halogenated aliphatic hydrocarbons found in ground water. The growth of the bacteria and the methane concentrations in the biomass reactor are controlled to significantly ... | 03/23/1993 |
| 5192453 | Wet oxidation process for ACN waste streams A process is disclosed which limits the corrosion of the materials of construction of a wet oxidation system treating wastewaters. The process is particularly useful in the wet oxidation treatment of ammonium sulfate containing wastes such as acrylonitril... | 03/09/1993 |
| 5186842 | Method for removing low molecular weight contaminants A method of the present invention is provided for removing low molecular weight contaminants from a contaminant-containing material. This contaminant-containing material can include alcohol compounds, aldehyde compounds and peroxide compounds. The method ... | 02/16/1993 |
| 5183571 | Multilayer membrane and process of manufacturing the same A multilayer membrane is composed of a carrier layer, a porous supporting layer and a separating layer. The carrier layer consists of fibers of polyamide, polyvinylidene difluoride, polyester or glass; the porous supporting layer consists of a polysulfone... | 02/02/1993 |
| 5182029 | Aqueous photoresist waste treatment by acid/cupric chloride precipitation A process is disclosed for treating an aqueous waste stream containing a photoresist waste component. Under this process the pH of the waste stream is adjusted in a range from about 4.0 to about 6.0 and an additive is added to the waste stream in a concen... | 01/26/1993 |
| 5180500 | Chemical removal of thiourea from hydrochloric acid A chemical method of removing thiourea from spent hydrochloric acid cleaning solutions comprising the steps of: adjusting the pH to not less than 12 by addition of base to remove metal hydroxides; oxidizing thiourea to urea by the addition of at least a s... | 01/19/1993 |
| 5180495 | Water purification process A process for purifying water, wherein the water, which is polluted by a mixture of halogenated compounds, preferably halogenated hydrocarbons, is passed through at least two reactors (treatment stages) packed with a porous material populated by one or mo... | 01/19/1993 |
| 5178762 | Soybean peroxidase treatment of contaminated substances A method for oxidizing organic and/or heavy metal contaminants in wastewaters, sludges, or soils containing such contaminants by contacting the wastewaters, sludges, or soils with soybean peroxidase and a peroxide.... | 01/12/1993 |
| 5178770 | Method of treating BCTMP/CTMP wastewater A method of treating BCTMP/CTMP wastewater to improve retention and purification of cellulose fiber suspension and clarification of the BCTMP/CTMP wastewater which comprises the addition of a cationic, water soluble coagulant having a molecular weight les... | 01/12/1993 |
| 5174904 | Wastewater treatment process A process and apparatus is provided for removing color from a wastewater stream. The process includes directing the wastewater stream through at least one UV reactor and simultaneously injecting a hydrogen peroxide charge into the wastewater stream exactl... | 12/29/1992 |
| 5154831 | Solvent extraction process employing comminuting and dispersing surfactants The present invention is directed to a process for treating an oily substrate, including a mixture comprising water and oily material or a mixture comprising water, solids and oily material as components, and wherein such treatment comprises contacting th... | 10/13/1992 |
| 5154834 | Disinfection by-products removal in water purification Improved methods for removal of disinfection by-products, halomethanes, precursors thereof and other organic contaminants from water being processed for use as potable or industrial water involve adding to the water being treated in a zone separate from t... | 10/13/1992 |
| 5154836 | Process for treating contaminants in aqueous-based materials A process for chemically modifying at least one contaminant component in an aqueous-based material comprising: contacting at least one contaminant component in an aqueous-based material with at least one metal component selected from the group consisting ... | 10/13/1992 |
| 5151194 | Filter for removing liquid hydrocarbons from water and process of removing gaseous and/or hydrocarbons from water A filter for removing at least one hydrocarbon from water is disclosed where the active filter medium is fibrous peat which has been dried to a water content of 5 wt.% or less. A process for removing at least one hydrocarbon from contaminated water involv... | 09/29/1992 |
| 5151188 | Supercritical fluid extraction enhancer A method for enhancing supercritical fluid extraction of sample matrices which contain water. The method involves mixing the samples with an extraction enhancing aid comprising flux-calcined diatomaceous earth which increases the permeability of the sampl... | 09/29/1992 |
| 5149444 | Process for the decontamination of soils, sediments, and sludges A method for the decontamination of a soil, sediment, or sludge containing toxic halogenated organic compound and containing water comprising the steps of mixing said soil, sediment, or sludge with a reagent capable of reacting with said halogenated compo... | 09/22/1992 |
