Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 7364669 | Method for reducing reactivity of calcium hypochlorite Stable compositions of calcium hypochlorite containing selected hydrated inorganic salts having a sufficiently high enthalpy and the ability to provide water release to sufficiently quench reactions and reduce the potential for conflagration. ... | 04/29/2008 |
| 7351355 | Purifying agent for purifying soil or ground water, process for producing the same, and method for purifying soil or ground water using the same A purifying agent for purifying soil or ground water which comprises a water suspension containing iron composite particles comprising α-Fe and magnetite, and having an average particle diameter of 0.05 to 0.50 μm, an S content of 3500 to 10000 ppm and an Al conte... | 04/01/2008 |
| 7351335 | Filter module A filter module provided with a housing (3) having an inlet (6) for a liquid to be filtered and an outlet (10) for filtered liquid, with a first filter element (7-9, 12) accommodated in the housing (3), in the form of a poro... | 04/01/2008 |
| 7273556 | Method for treating water containing manganese The invention concerns a method for treating water for human consumption, so as to eliminate manganese and possibly other metals comprising steps which consist in: causing said water to pass at least over a bed of filtering material (3) consisting at least pa... | 09/25/2007 |
| 7258802 | Method for controlling bacterial growth in process water A system for reducing or preventing the growth of organisms in the process water used to coat glass fibers with a formaldehyde-free binder composition. One or more biocides is added to the process water that mitigates the growth of microbes in the water. The biocide... | 08/21/2007 |
| 7252843 | Composition 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 |
| 7241858 | Reduction in polystyrene foams with dibasic esters A foam reduction agent consisting of dibasic esters is shown and a process using a liquid contact with polystyrene foam wherein the higher boiling temperature of the dibasic esters and contact with the liquid provides a volume reduction process and less evaporation ... | 07/10/2007 |
| 7201806 | Washing method The present invention includes disinfection washing of an object, with a washing solution 1 containing a chlorine-based disinfection detergent, and subsequent acid-washing of the object of washing, with a washing solution 2 adjusted to pH 4 or less by adding a reduc... | 04/10/2007 |
| 7063804 | Compositions for treating phosphate in water Compositions including alum and a smectite mineral material for the clarification of bodies of water by removal of dissolved solids, dissolved organic materials and other anions such as fluoride and chloride as well as the removal of total phosphorus from such bodie... | 06/20/2006 |
| 7001534 | Alum pellets Compositions including pellets of alum, a smectite mineral material, and optionally sodium or calcium carbonate, that can be delivered to a phosphate impoundment located at or near the bottom of a body of water. The pellets of alum, smectite mineral material and opt... | 02/21/2006 |
| 6989109 | Composition for conditioning water used in aquariums A composition for conditioning water in an aquarium in order to both control water pH and reduce and/or eliminate chlorine, chloramine and ammonia build-up is provided. The composition includes monopotassium phosphate in an amount between about 10 and 50 weight perc... | 01/24/2006 |
| 6960303 | Alum pellets Compositions including pellets of alum, a smectite mineral material and optionally sodium or calcium carbonate that can be delivered to a phosphate impoundment located at the bottom of a body of water at the bottom. The pellets of alum, smectite mineral material and... | 11/01/2005 |
| 6881346 | Methods of treating phosphate in a body of water Compositions including alum, a smectite material and optionally one or more of a buffer and an algaecide coating or additives for the clarification of bodies of water by removal of dissolved solids, dissolved organic materials and other anions such as fluoride and c... | 04/19/2005 |
| 6878309 | Controlled release cooling additive composition A controlled-release additive composition for use in aqueous systems. The composition comprises a core containing at least one additive component and a polymeric coating encapsulating said core. The controlled released cooling additive composition slowly releases th... | 04/12/2005 |
| 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 |
| 6790817 | Two part chemical concentrate The invention is a solid chemical concentrate system of at least two cooperative shapes. The first shape is an inwardly curved bar having an inner opening. The second shape is an insert which is capable of interlocking with the bar by insertion into the bar inner op... | 09/14/2004 |
| 6749748 | 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... | 06/15/2004 |
| 6610275 | Device 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 |
| 6589461 | Method of making a treatment chemical cartridge A method of producing a polyphosphate, orthophosphate, phosphonate or the like chemical treatment cake is disclosed. Conventional commercially available treatment material is obtained in powder form and mixed with water to initiate an exothermic reaction.... | 07/08/2003 |
| 6558538 | Device for preventing the clogging of a drainage system The present invention provides a method and device for preventing the formation of deposits in a drainage system (100). The device (10) includes a container (12, 212), connected by a flexible cord (20) to a stopper (22). An antimicrobial composition (24) ... | 05/06/2003 |
| 6533958 | System for controlling microbial fouling A method of controlling microbial fouling is provided. The method controls microbial fouling using hypobromous acid, HOBr, formed by the reaction between an aqueous solution of alkali or alkaline earth metal hypochlorite and a bromide ion source. The method is... | 03/18/2003 |
| 6251848 | Bull's-eye tablet Bull's-eye tablets in which both the shaped body per se and the lands surrounding the bull's-eye are mechanically stable and even lend themselves to production in modern high-throughput tablet presses and in which the core placed in the larger shaped body... | 06/26/2001 |
| 6203722 | Stabilized 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 |
| 6080332 | Procedure for the anti-scaler production for coating the polymerizing reactor and respective resultant product The invention comprises a novel process for producing an anti-scaler coating for monomer polymerization reactors comprising mixing hydroxymethansulphincal acid with 1-naphthol. The invention also comprises an anti-scaling product obtained by this novel pr... | 06/27/2000 |
| 6010639 | Controlled release supplemental coolant additive A controlled-release supplement coolant additive for use in diesel engine coolant systems comprising a core containing at least one supplemental coolant additive (SCA) active component and a polymeric coating material encapsulating said core. The controll... | 01/04/2000 |
| 5965094 | Polymerization process with anti-scaling agents According to the invention, there are provided a novel process for preparing an anti-scaling coating on the walls of a polymerization vessel by using aromatic compounds reacted with sodium hydroxymethanesulphinate, and an anti-scaling coating obtained by ... | 10/12/1999 |
| 5792360 | Water treatment system comprising water-soluble glass A water treatment system for submersion in a body of water to be treated comprises a water-soluble glass treatment agent and a water-insoluble retaining means for the water-soluble glass treatment agent. The retaining means is adapted, in use, to retain w... | 08/11/1998 |
| 5681475 | Water purification composition, kit and method employing the same A composition, in unit dosage form, for the batchwise purification for drinking purposes of a relatively small predetermined volume of contaminated water includes: (a) an organo-chlorine compound serving as a disinfectant-sanitizing agent; (b) a solid ino... | 10/28/1997 |
| 5575945 | Chemical 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 |
| 5538629 | Process and article for disinfecting water Disclosed is a process for disinfecting water which provides a visual indication after the disinfection is complete. First, the water to be disinfected is generally simultaneously intermixed with at least three items. The items are: (1) a disinfectant whi... | 07/23/1996 |
| 5407594 | Detergent tablets having specific particle size distribution A tablet of compacted particulate detergent composition in which the tablet, or a discrete region thereof, consists essentially of a matrix of particles substantially free of particles | 04/18/1995 |
| 5395546 | Lavatory cleaning block A toilet cleaning block which releases a halogen disinfecting agent in a controlled, substantially constant rate for 2 to about 4 months of constant contact with water and is then completely dissolved in the water comprises an admixture of an agent which ... | 03/07/1995 |
| 5360567 | Detergent compositions A tablet of compacted particulate detergent composition comprises a detergent-active compound, a detergency builder, and optionally other detergent ingredients. The tablet, or a discrete region thereof, consists essentially of a matrix of particles substa... | 11/01/1994 |
| 5217626 | Water disinfection system and method A water disinfection system is disclosed. The system comprises a permanganate in a concentration of up to about 15 mg/L, copper ions in a concentration of up to about 900 μg/L, and silver ions in a concentration of up to about 90 μg/L. In addition, a me... | 06/08/1993 |
| 5164096 | Biocide microencapsulation Biocide treatment of the water system of a papermaking process comprising the steps of encapsulating the biocide as the core of the capsule in a water suspension, in which the shell is degradable at high water dilution, and introducing the microcapsules i... | 11/17/1992 |
| 5023012 | Purification of water A composition for the purification of water includes a suitable coagulant for coagulating solid impurities dispersed in the water to form flocs and an organic hydrophilic colloid capable, when dispersed in the water, of absorbing large quantities of water... | 06/11/1991 |
| 4820424 | Products and processes for the flocculation of aqueous suspensions An aqueous organic or inorganic suspension can be coagulated and then flocculated by flowing it past a shaped body comprising a mixture of water soluble multivalent metal coagulant and a water soluble organic polymeric flocculant in the form of substantia... | 04/11/1989 |
| 4767559 | Process for producing contact lens cleaning tablets with a disinfecting action for one-step cleaning Methods for producing a contact lens one-step cleaning and disinfecting tablet designed to be dissolved in water comprising: (A) preparing a tablettable neutralizing core mixture consisting essentially of at least one biocompatible reducing agent, at least one... | 08/30/1988 |
| 4673527 | Tablet granulation An improved granulation and tablet product for water treatment. One or more water treating agents are dispersed and entrapped in a water soluble polymeric material which is more water soluble than the water treating agent. The water treating agent is entr... | 06/16/1987 |
| 4655931 | Waste water treating agent and method for producing the same In case where a surface active agent is contained in waste water, it is extremely difficult to remove the surface active agent, and the present invention has previously found that the surface active agent is oriented and adsorbed in the periphery of collo... | 04/07/1987 |
