Did You Know...
...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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 |
| 6165284 | Method for inhibiting tarnish formation during the cleaning of silver surfaces with ether stabilized, N-propyl bromide-based solvent systems Silver tarnishing is inhibited when using ether stabilized, n-propyl bromide based cleaning compositions by including a saturated aliphatic alcohol in the compositions.... | 12/26/2000 |
| 6162776 | Paint and coating remover This invention concerns a composition useful as a paint remover, comprising: alkylene carbonate such as propylene carbonate or ethylene carbonate, hydrogen peroxide, and water, and optionally an alcohol such as benzyl alcohol. In another broad respect, th... | 12/19/2000 |
| 6159915 | Paint and coating remover A composition useful as a paint remover. The composition may include a carbonate, a dibasic ester and a mono-ester. The composition may also contain an organic sulfur-containing compound such as dimethyl sulfoxide (DMSO), a glycol ether, a ketone, or comb... | 12/12/2000 |
| 6153360 | Method of removing photo-resist A method of removing photo-resist. Acetone, thinner, and deionized water for scrubbing a wafer are used to clean a wafer on which a photo-resist layer is formed, so that thinner and deionized water are mutually dissolvable with acetone as medium. The phot... | 11/28/2000 |
| 6153573 | Aqueous composition for plasticizing paint prior to strip A predominantly aqueous composition for plasticising or softening paint, varnish and similar coatings prior to stripping the coating from a surface includes preferably a combination of the active agents triethylphosphate and a co-agent selected from dimet... | 11/28/2000 |
| 6149732 | Method and apparatus for removing plastic residue Equipment used in the processing of plastic, such as molds and extrusion screws, is cleaned of plastic residue by a combination of thermal cycling and agitation without impact cleaning. A chamber can be heated by an electric radiant heater and cooled by t... | 11/21/2000 |
| 6136200 | Treatment for paint and lacquer waste water A composition for the detackification and clarification of acid and alkaline paint and lacquer waste waters and paint spray booth wastes, comprising: an inorganic-organic and/or organic adduct alloy polymer composition having the formula: A.multidot.B | 10/24/2000 |
| 6129094 | Method of high pressure cleaning A method of cleaning surfaces so as to remove dirt, buildup, paint, asbestos, coating materials, or any other buildup or layer from the surface using a high fluid pressure cleaning for removing coatings and buildup from hard, often porous, and generally u... | 10/10/2000 |
| 6096699 | Environmentally friendly solvent A solvent that is biodegradable, provides effective solvency for a broad range of tasks and is generally benign to human health is disclosed. This solvent is a mixture of a lactate ester and an edible oil ester that has a flash point greater that 93° C.,... | 08/01/2000 |
| 6093257 | Method for cleaning a substrate with a composition comprising radiation curable groups A method of cleaning a substrate by covering the substrate with a composition in a sufficient amount to clean the substrate. The composition includes a substantial amount of at least one low viscosity organic compound which includes a radiation curable gr... | 07/25/2000 |
| 6082380 | Process to remove poly(arylene sulfide) based deposits from an article A process for the removal of poly(arylene sulfide) based deposits from an article by contacting said poly(arylene sulfide) based deposits with a polar aprotic compound, a base, an organosulfur compound having the formula: R1 --S--S--R2 | 07/04/2000 |
| 6074935 | Method of reducing the formation of watermarks on semiconductor wafers A method for reducing the formation of watermarks includes providing a semiconductor wafer and contacting the semiconductor wafer with a solution containing a watermark reducing amount of at least one cationic surfactant.... | 06/13/2000 |
| 6074999 | Cleaning agents for paint piping and process for cleaning paint piping Disclosed is a cleaning agent for cleaning paint piping without disassembling it in reduced number of steps and a process for cleaning the paint piping using the same. A cleaning agent based on N-methyl-2-pyrrolidone and containing an amine type solvent s... | 06/13/2000 |
| 6071867 | Cleaning compositions and methods of using the same Cleaning compositions are disclosed that economically and effectively remove a variety of marking materials from many coated or uncoated substrate surfaces. The compositions contain a terpene compound, a pyrrolidone compound, an emulsifying surfactant, an... | 06/06/2000 |
| 6066032 | Wafer cleaning using a laser and carbon dioxide snow Apparatus and methods for removing particles from a surface of a semiconductor wafer or optical component using a carbon dioxide snow spray directed at the wafer or component while simultaneously irradiating the surface with a laser beam. The apparatus co... | 05/23/2000 |
| 6057276 | Graffiti remover which comprises an active solvent, a secondary solvent, an emollient and a particulate filler and method for its use This invention provides graffiti removers for removing permanent ink stains from painted surfaces. This graffiti removers include an active solvent for dissolving the stains, which are organic in nature, an optional secondary solvent for concentrated atta... | 05/02/2000 |
| 6048408 | Method of filtering debris from fluid back splash A method of filtering debris from the fluid back splash off a structure that is being pressure washed. The fluid falling onto a filter screen and passing through the filter screen before entering the ground. The filter screen made of glass threads woven i... | 04/11/2000 |
| 6048828 | Composition for treatment of lead containing surface coatings and soil A composition is provided which has been formulated to render non-hazardous surfaces which are coated with lead-based paints or surface soil which is contaminated with lead compounds. The composition is an aqueous mixture comprising hydrogen peroxide, amm... | 04/11/2000 |
| 6043005 | Polymer remover/photoresist stripper A chemical composition which is useful for removing photoresist and polymers from substrates. The composition comprises 10 to 90% by weight of 2-pyrrolidinone compound of the formula C5 H9 NO, 10 to 50% by weight of lactic acid of th... | 03/28/2000 |
| 6043206 | Solutions for cleaning integrated circuit substrates Cleaning solutions for removing contaminants from integrated circuit substrates comprise fluoroboric acid and phosphoric acid. Methods of removing contaminants from integrated circuit substrates comprise contacting the substrates with cleaning solutions c... | 03/28/2000 |
| 6040284 | Paint coatings remover comprising propylene carbonate and hydrogen peroxide This invention concerns a composition useful as a paint remover, comprising: alkylene carbonate such as propylene carbonate or ethylene carbonate, hydrogen peroxide, and water, and optionally an alcohol such as benzyl alcohol. In another broad respect, th... | 03/21/2000 |
| 6030466 | Paint stripping composition based on tetrahydrofurfuryl ethers Paint stripping compositions that are relatively non-toxic and environmentally safe are disclosed for use in removing, for example, oil base alkyd and latex paints, varnishes, lacquers, shellacs, enamels, polyurethane, and epoxy coatings from wood and met... | 02/29/2000 |
| 6025313 | Method for protecting steel alloys from embrittling effects of benzyl alcohol paint strippers, and compositions Method for applying an aqueous benzyl alcohol paint strippling composition to the surface of a high strength steel substrate or of an assembly containing high strength steel components, such as steel fasteners on the surface of aircraft assemblies, while ... | 02/15/2000 |
| 6020292 | Non-corrosive cleaning composition for removing plasma etching residues A non-corrosive cleaning composition for removing plasma etching residues comprising water, at least one quaternary ammonium hydroxide, and at least one corrosion inhibitor selected from (i) quaternary ammonium silicates and (ii) catechol nucleus-containi... | 02/01/2000 |
| 6015467 | Method of removing coating from edge of substrate In a method of removing a coating from an edge of a substrate a solvent reservoir is filled with a solvent to dissolve and remove a photoresist film, the solvent includes one of dipropylene glycol monoalkyl ether, a mixture of this ether and an easily vol... | 01/18/2000 |
| 6013194 | Azeotrope(like) compositions including a hexafluoropropane and butane Compositions disclosed include hexafluoropropane and a hydrocarbon having from 1 to 5 carbon atoms or dimethyl ether. These compositions are useful as refrigerants, cleaning agents, expansion agents for polyolefins and polyurethanes, aerosol propellants, ... | 01/11/2000 |
| 6007639 | Blasting process for removing contaminants from substrates and potassium magnesium sulfate-containing blast media Blast media for removing coatings from sensitive metal and composite surfaces, and a process useful therewith, the blast media contains water-soluble potassium magnesium sulfate. The media may also contain flow/anti-caking agents and alkali metal salts.... | 12/28/1999 |
| 6001192 | Paint stripping composition Inexpensive paint stripper compositions containing neither chlorinated nor alkaline solvents and well adapted for removing paints such as glycerophtalic, alkyd-urethane or arylic urethane paints on a variety of substrates, e.g. wood and metal substrates c... | 12/14/1999 |
| 5997658 | Aqueous stripping and cleaning compositions An aqueous stripping composition comprising a mixture of an organic amine and a corrosion inhibitor which is benzotriazole alone or in combination with gallic acid, its ester or analog. The stripping composition is effective to strip photoresists, residue... | 12/07/1999 |
| 5993562 | Method, composition, and kit for abrasive cleaning of fluid delivery systems A method of cleaning interior surfaces of fluid delivery systems including (a) passing through the system an abrasive cleaner composition including at least one liquid carrier containing solubilizable abrasive particles, at least some of which are in non-... | 11/30/1999 |
| 5993561 | Process for cleaning paint residues from surfaces A process for removing dried paint residues from a difficultly accessible surface is provided. The surface is contacted with a slurry of particulate solids such as sodium hydrogen carbonate in a first liquid such as N-methyl pyrrolidone which is a solvent... | 11/30/1999 |
| 5994282 | Stripping composition based on polar aprotic solvent, an ether and water Stripping compositions based on a polar aprotic solvent, an ether and water. The composition is characterized in that it comprises at least the following: 1) a polar aprotic solvent, especially dimethyl sulfoxide (DMSO) or N-methyl pyrrolidinone (NMP); 2)... | 11/30/1999 |
| 5988186 | Aqueous stripping and cleaning compositions An aqueous stripping composition comprising a mixture of a polar amine, an organic or inorganic amine and a corrosion inhibitor which is gallic acid, its ester or analog. The stripping composition is effective to strip photoresists, residues from plasma p... | 11/23/1999 |
| 5990063 | Stripping composition based on water and anisole The present invention is related to a stripping composition for paints, varnishes or lacquers. This composition contains at least water and anisole.... | 11/23/1999 |
| 5985807 | Use of an organopolysiloxane of elastomeric nature in combination with an organic phase in a product for removing make-up from the nails The use of an organopolysiloxane of elastomeric nature used in combination with an organic phase for the preparation of a composition and/or in a composition for removing make-up from the nails, in particular by a solvent for nail varnish. The organic pha... | 11/16/1999 |
| 5985154 | Methods and compositions for treating paint spray booth water Methods and compositions for detackifying and dispersing, and coagulating/flocculating and dispersing solventborne and waterborne paints, respectively, in paint spray booth waters are disclosed. An aqueous composition of water soluble cationic polymer, no... | 11/16/1999 |
| 5985812 | Method of removing paint from surfaces using fatty acid alkyl esters Lower alkyl esters of fatty acids can be used for the cleaning of paint brushes and/or for the removal of paint from painted surfaces.... | 11/16/1999 |
| 5980626 | Aqueous compositions for stripping paints and primers with a high degree of crosslinking This composition for stripping paints coating a substrate, in particular for stripping paints and primers with a high degree of crosslinking, in particular of the epoxy, polyurethane and alkyd type, is characterized in that it consists of or comprises: (A... | 11/09/1999 |
| 5976270 | Composition and method for treatment of lead-containing surface coatings and soil A method is provided to render non-hazardous surface soil which is contaminated with lead compounds. The soil is treated by applying an aqueous composition comprising hydrogen peroxide, ammonium hydroxide, nitric acid and acetic acid and allowing said com... | 11/02/1999 |
| 5977051 | Alcohol based natural wax cleaning and dusting composition A cleaning and dusting composition, particularly useful as a treatment for dusting implements such as a cloth or feather duster, comprised of a high quality natural wax in an alcohol solution. In the preferred embodiment, a near-saturated solution of lano... | 11/02/1999 |
