Bizarre Patents
Pizza Pie With Concentric Rings of Crust
A pizza mold for forming a plurality of concentric raised ridges of dough (i.e., crust) on the surface of a pizza pie.
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| Number | Title | Issue Date |
| 5714387 | Tracer technology for dust control A method of determining the dosage of dust control agents applied to coal is disclosed. The method comprises the steps of: (1) treating the coal, with a small amount of a dust control agent containing a compatible fluorescent dye; (2) extracting the treat... | 02/03/1998 |
| 5714055 | Caustic tower trap for acetaldehyde A method of inhibiting the formation of fouling deposits occurring on the surfaces of an alkaline scrubber used to wash acid gases generated during the manufacture of olefins, which deposits are formed during the scrubbing of pyrolytically produced hydroc... | 02/03/1998 |
| 5702684 | Method of use of compositions of biocides and fluorescent indicators to control microbial growth A concentration of microbiocides added to fluid systems is monitored by a fluorescence emission method which is based upon the measurement of the fluorescence intensity of an inert fluorescent additive which is added to the microbiocide composition prior ... | 12/30/1997 |
| 5679261 | Use of silicon containing polyelectrolytes in wastewater treatment The invention is a method for clarifying waste water containing turbidity-causing components which comprises: adding to said water an effective turbidity-reducing amount of a water-soluble silicon-containing copolymer coagulant prepared from diallyldimeth... | 10/21/1997 |
| 5670055 | Use of the linear alkylbenzene sulfonate as a biofouling control agent The invention comprises a method for dispersing biofilms caused by the growth of slime-forming bacteria and other microorganisms in industrial process water. The method comprises adding an effective biofilm dispersing amount of a linear alkylbenzene sulfo... | 09/23/1997 |
| 5667697 | Colloidal silica/polyelectrolyte blends for natural water clarification This invention relates to the clarification of natural waters containing turbidity-causing components. This method comprises the addition of a stable colloidal silica suspension and water based polymeric coagulant to the turbid water. The components of th... | 09/16/1997 |
| 5662803 | Stabilizers for additives in aqueous systems containing ozone The invention is a method for increasing the effectiveness of water-soluble polymeric additives or water-soluble phosphonates in the recirculating water of processing equipment wherein said water contains ozone and water-soluble polymeric additives or wat... | 09/02/1997 |
| 5660736 | Sodium sulfoxylate formaldehyde as a boiler additive for oxygen scavenging The invention is a method for removing dissolved oxygen from alkaline water which comprises adding to alkaline water containing dissolved oxygen an effective oxygen-scavenging amount of a water-soluble sulfoxylate. A preferred material is sodium formaldeh... | 08/26/1997 |
| 5660717 | Abatement of hydrolyzable cations in crude oil Hydrolyzable cations contained in crude oil are removed from crude oil by treatment of the crude oil with an aqueous solution containing 100 to 5000 ppm of a water soluble anionic polymer containing at least 20 mole percent mer groups from the group consi... | 08/26/1997 |
| 5658798 | Detection of process components in food process streams by fluorescence The invention is a method of monitoring for the presence of certain constituents of food processing streams by measurement of fluorescence. The constituent monitored can be a fluorescing impurity of a food product, or the food product itself if such natur... | 08/19/1997 |
| 5653886 | Coagulant for mineral refuse slurries The present invention related to the use of certain cross-linked diallyldimethyl ammonium chloride polymers in water-in-oil emulsion form for use as coagulants in suspensions of inorganic solids. The diallyldimethyl ammonium chloride polymers are preferab... | 08/05/1997 |
| 5650072 | Sulfonate and sulfate dispersants for the chemical processing industry The invention provides a method for the inhibition of fouling in petrochemical processes. The method comprises adding from about 0.1 to about 10,000 parts per million sulfonated oils, sulfonated fatty acids, sulfated oils, sulfated fatty acids, or naphtha... | 07/22/1997 |
| 5648508 | Crystalline metal-organic microporous materials Novel metal-organic microporous materials are prepared in solution using mild reaction conditions from a metal or metalloid ion with a ligand containing multidentate functional groups in the presence of a templating agent. The resultant microporous materi... | 07/15/1997 |
| 5647995 | Method for the control of calcium carbonate scale using compounds prepared from acetylenic compounds and inorganic phosphite salts and their derivatives An improved method is disclosed for the preparation of novel alkali metal diphosphinate salts by the reaction of an acetylenic compound with an alkali metal hypophosphite in the presence of a free radical source, the use of these novel compounds in furthe... | 07/15/1997 |
| 5641396 | Use of 2-amino-1-methoxypropane as a neutralizing amine in refinery processes 2-amino-1-methoxypropane is used as a neutralizing amine in crude oil distillation units. The amine of the invention gives superior neutralization at the first initial condensate compared to other commonly used neutralizing amines.... | 06/24/1997 |
| 5635112 | Hydrophobically-modified demulsifiers for oil-in-water systems A method for breaking an oil-in-water emulsion which comprises the addition of a hydrophobically-modified polyelectrolyte copolymer comprising a diallyldimethylammonium chloride and a hydrophobically-associating monomer selected from the group consisting ... | 06/03/1997 |
| 5597858 | Hydrophobically associating dispersants used in forming polymer dispersions An improved process for the preparing a dispersions of water soluble cationic polymers in an aqueous salt solution is disclosed. The improvement comprises using as a polymeric dispersion stabilizer a water soluble hydrophobically associating copolymer of ... | 01/28/1997 |
| 5571380 | Papermaking process with improved retention and maintained formation A process in which paper or paperboard is made by forming an aqueous cellulosic slurry, draining said slurry on a screen to form a sheet and drying said sheet, employs a cationic polymer as a substantially single component retention aid. The cationic poly... | 11/05/1996 |
| 5556575 | Corrosion inhibition in refineries using the reaction product of hydrocarbyl succinic anhydride and an amine Disclosed are a method for inhibiting corrosion in crude oil distillation towers, an improvement in crude oil fractionation, a method for dispersing iron sulfide in a hydrocarbon stream and a hydrocarbon dispersion using the reaction product of hydrocarby... | 09/17/1996 |
| 5552085 | Phosphorus thioacid ester inhibitor for naphthenic acid corrosion Corrosion of the metallic surfaces of distillation columns, trays, packing, and pumparound piping used in the production of hydrocarbons can be controlled by adding a neutralized or non-neutralized thio-phosphate or thio-phosphite ester to the hydrocarbon... | 09/03/1996 |
| 5534611 | Sulfonated and carboxylated aminoethylenephosphonic acid and aminobis (methylene) phosphinic acid Novel sulfonated or carboxylated and phosphonomethylated polymers are prepared by first sulfoalkylating or carboxyalkylating polyamines followed by linking of the polyamines through a bis(methylene)phosphinic acid divalent group to form polymers which are... | 07/09/1996 |
| 5525201 | Oxyalkylated phenol/formaldehyde resin for desalter applications in the refinery Industry Certain base catalyzed oxyalkylated-cardanol-alkylphenol-aldehyde resins may be utilized in refinery demulsification operations. These materials find particular utility in breaking water-in-oil emulsions resulting from the water wash of crude oils. The ma... | 06/11/1996 |
| 5518634 | Coagulant for twin belt filter presses A chemically assisted process for dewatering mining waste solids on mechanical separation devices with at least one flocculant and at least one coagulant. It comprises using as the coagulant a diallyldimethyl ammonium chloride copolymer which contains fro... | 05/21/1996 |
| 5510439 | Vinyl alkoxysilane copolymer polyelectrolytes for pitch deposit control A method for controlling pitch in papermaking systems which comprises the step of adding a hydrophobic polyelectrolyte copolymer coagulant to pulp and paper process water. The hydrophobic polyelectrolyte copolymer coagulant preferably comprises a first mo... | 04/23/1996 |
| 5510040 | Removal of selenium from water by complexation with polymeric dithiocarbamates Selenium compounds present in aqueous liquids can be removed using a poly dithiocarbamate materials. The selenium compounds are then removed by precipitation or sedimentation. Optionally, an oxidizing agent may be added to the system prior to the addition... | 04/23/1996 |
| 5510038 | Process for preventing the formation of deposits in a construction drainage system In drainage systems in buildings and excavations there is waste and ground water with a high dissolved material content. These mainly inorganic substances often cause the build-up of hard deposits in the water conveying parts of the drainage systems, e.g.... | 04/23/1996 |
| 5498813 | In situ formation of corrosion inhibitors Alkyl alcohols are added to the effluent from hydrocarbon reactions using phosphoric acid based catalysts to prevent corrosion in metallic pipes and vessels downstream of the reactor. The alcohol is believed to react with phosphoric acid present in the hy... | 03/12/1996 |
| 5494607 | Alkyl substituted phenol-polyethylenepolyamine-formaldehyde resins as asphaltene dispersants Asphaltenes may be dispersed in caustic treated petroleum crude oil, or in any fraction thereof by adding an effective dispersing amount of a mono or di substituted alkylphenol-formaldehyde resin and or a monosubstituted alkylphenol-polyethylenepolyamine-... | 02/27/1996 |
| 5494582 | Removal of selenium from water by ion-exchange Selenium compounds present in aqueous liquids containing sulfate and or chloride anions can be effectively removed by passing the liquid through a thiouronium modified anion ion exchange resin.... | 02/27/1996 |
| 5487855 | Polymeric binders for enhancing green strength of pressed ceramics A composition suitable for use as a binder of ceramic materials and a method for preparing a ceramic material which provides relatively greater green ceramic strength is disclosed. The improved binder contains substantially hydrolyzed copolymer made from ... | 01/30/1996 |
| 5486295 | Method for treating polymer-containing waters to allow use as cooling tower makeup Industrial waters treated with water soluble polymers can be satisfactorily recycled into systems containing hardness causing cations by treating the water containing the polymer with a water soluble persulfate salt. Treated waters may be added, for examp... | 01/23/1996 |
| 5478477 | Use of alginates to treat bauxite red mud Alginic acid is used in combination with high molecular weight synthetic water soluble polymers to flocculate red mud from Bayer process liquors. Superior clarity of supernatant liquor is achieved using the process of the invention.... | 12/26/1995 |
| 5478476 | N-bis(phosphonomethyl) amino and their use as scale inhibitors Certain N-bis(phosphonomethyl) amino acids are novel compounds and are useful in preventing calcium carbonate scale.... | 12/26/1995 |
| 5466338 | Use of dispersion polymers for coated broke treatment A process for treating a re-pulped coated broke slurry comprising the addition of a water-soluble polymer dispersion, the water-soluble polymer is formed by polymerizing a water-soluble mixture which comprises: (a) a first cationic monomer represented by ... | 11/14/1995 |
| 5460750 | Phenolic resins and method for breaking crude oil emulsions A composition and method for breaking crude oil emulsions is disclosed. This composition is a branched, high-molecular weight condensation product of cardanol, an alkylphenol, and an aldehyde, which may be ethoxylated or otherwise derivatized using method... | 10/24/1995 |
| 5460712 | Coker/visbreaker and ethylene furnace antifoulant A method of preventing fouling and coke formation on the high temperature sections of hydrocarbon processing equipment in contact with a hydrocarbon fluid which comprises adding to the hydrocarbon fluid prior to its contact with the high temperature secti... | 10/24/1995 |
| 5458849 | Prevention of cracking and blistering of refinery steels by cyanide scavenging in petroleum refinery processes Corrosion cracking and blistering of steels in contact with refinery streams containing cyanide is inhibited or prevented by treating said stream with a reaction product or products obtained by reacting morpholine and formaldehyde. The preferred corrosion... | 10/17/1995 |
| 5458765 | Process of drying and removing solids from waste oil This invention is a process comprising several steps for removing solid contaminants and for assisting in the dewatering of liquid hydrocarbons. For the purposes of this invention, solid contaminants include dissolved salts, either in the oil or in the em... | 10/17/1995 |
| 5454955 | Use of hectorite as a clarification aid for deink plant effluent Hectorite is utilized in conjunction with a water soluble cationic coagulant to clarify waste water from the deinking of waste paper.... | 10/03/1995 |
| 5451613 | Superabsorbent polymer having improved absorption rate and absorption under pressure A carboxylic containing superabsorbent polymer having a swell rate of at least 0.3 g./g.sec., a gel strength of about 40,000 to about 150,000 dynes/cm2, a centrifuge capacity at 30 minutes of about 20 to about 50 g/g, an absorption permeability... | 09/19/1995 |
