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5609668 |
Spill clean-up process
The present invention is an improved process for absorbing and decontaminating an organic chemical spill comprising the steps of: partially composting plant material; mixing approximately 80% of...
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5603836 |
Method of using a diatomaceous earth containing adsorbent
An adsorbent composition containing sugar, vinegar, and diatomaceous earth is disclosed. The sugar, vinegar, and diatomaceous earth are preferably added together in about equal amounts by volume or...
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5588901 |
Cleaning method and apparatus utilizing sodium bicarbonate particles
A method and apparatus for effecting the continuous reliable supply of sodium bicarbonate particles to a blasting nozzle employing pressured air or water for conveying such particles into contact...
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5584939 |
Method for cleaning rail cars
Cleaning methods for rail cars that haul freight, such as covered hoppers, open hoppers, box cars, tank cars, autoracks, locomotives, flat cars, remove the residue from materials transported by the...
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5582651 |
Method for cleaning bulk bags
A method for cleaning bulk bags which have been utilized to transport dry bulk, the method including the steps of providing a first bulk bag to be cleaned; mounting the bulk bag on a frame through...
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5580392 |
Contact lens cleaning compositions with particles of variable hardness and processes of use
Compositions and methods for treating a contact lens are disclosed. In one embodiment, the composition comprises an ophthalmically acceptable liquid aqueous medium and a plurality of particles...
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5578135 |
Chemo-mechanical stripping of paint from plastic parts
A process for stripping of used parts or reject parts, in particular of polycarbonate (PC) or of a polycarbonate blend, preferably with polybutylene terephthalate (PBT/PC), for the purpose of...
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5575705 |
Slurry blasting process
An improved slurry blasting process is disclosed wherein a liquid carrier medium such as water contains a dispersed water-soluble particulate abrasive to enhance blast cleaning efficiency and...
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5573598 |
Method of cleaning pressing and/or curing apparatus
A method of cleaning a pressing and/or curing apparatus includes providing a cleaning mat on the interior of the apparatus and subjecting the cleaning mat to elevated temperature and/or pressure....
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5571337 |
Method for cleaning and drying a semiconductor wafer
A method for drying articles with flat surfaces such as a semiconductor wafer. The method includes steps of immersing a semiconductor wafer in a liquid such as water, and displacing the liquid with...
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5571335 |
Method for removal of surface coatings
A method for removing a surface coating by impinging an area of impingement of the surface coating with photon energy while simultaneously impinging the area of impingement with a cryogenic...
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5567245 |
Method for separating vinylidene chloride polymer from other polymers
A method for separating a polymer such as polypropylene from a layered plastic material that includes a layer of polypropylene together with a layer of vinylidene chloride is provided. The layered...
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5548036 |
Preparation of polymers of aspartic acid and their use
Process for the preparation of polymers of aspartic acid by reacting (a) maleic anhydride and (b) ammonia and/or primary or secondary amines without diluent in the (a):(b) molar ratio of 1:0.1 to...
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5545073 |
Silicon micromachined CO.sub.2 cleaning nozzle and method
An apparatus and method for cleaning a workpiece with abrasive CO 2 snow operates with a nozzle for creating and expelling the snow. The nozzle includes an upstream section for receiving CO 2 in...
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5542982 |
Method of removing coating films
Improved methods of removing coating films from resin substrates includes first treating the resin substrates in an aqueous alkali solution with a concentration of 0.1 wt % or more at a temperature...
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5534077 |
Method and an apparatus for the disposal of foam materials containing propellants and more particularly of foam materials such as polyurethane employed as insulating material for refrigeration devices
In order to more especially to be able to dispose of appliance having foam materials containing propellant in a manner compatible with the environment such the same are introduced into a chamber...
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5531634 |
Method of using an abrasive material for blast cleaning of solid surfaces
A method for blast cleaning a solid surface using an abrasive composition of calcium carbonate, wherein the abrasive-blasting operation uses blasting apparatus including a blasting pot, a blasting...
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5529589 |
Fiber media blasting material, method of recycling same, and equipment for discharging same
The invention relates to an improved blasting media which has a lattice fiber structure which is used as a carrier for other desired components. Desired abrasive component(s), polishing...
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5525139 |
Process for bioremediation of soils
The present invention is an improved bioremediation process comprising the steps of: (a) inoculating cotton gin trash or an equivalent plant material with soil from a contaminated site; (b)...
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5525093 |
Cleaning method and apparatus
Disclosed is a method and apparatus for the blast cleaning of the surface of an object using solid carbon dioxide pellets as the abrasive projected by a gaseous carbon dioxide propellent. The...
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5520571 |
System and method of removing contaminants from solid surfaces and decontaminating waste
A method and system for removing a surface layer contaminated with radioactive and/or hazardous material and subsequently treating the waste to remove contaminants and provide an essentially...
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5518552 |
Method for scrubbing and cleaning substrate
A substrate scrubbing and cleaning method in which a substrate is carried to a rotatable scrubbing arrangement, and both surfaces of the substrate are scrubbed by the rotatable scrubbing...
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5514218 |
Soil washing process using polymeric sorbents
Contaminated material is decontaminated using a process in which fractions of the contaminated material are sequentially exposed to a polymeric sorbent to enhance removal of contaminants. The...
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5512106 |
Surface cleaning with argon
Argon gas and nitrogen gas are mixed together and cooled by a cooler to a liquefying temperature of argon gas specific to its pressure, to form argon fine droplets in the mixed gas. The gas is then...
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5512071 |
Water soluble blast media containing surfactant
A blast media for stripping contaminants from a solid surface comprises water soluble abrasive particles and a surfactant which reduces the amount of water soluble residues of blast media remaining...
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5509971 |
Process for removing coatings from hard surfaces
A process for removing coatings from hard surfaces includes blasting the surfaces with a free-flowing particulate blast media entrained in a pressurized fluid, the blast media containing a major...
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5509969 |
Abatement process for contaminants
A process for cleaning a surface contaminated with an organic, acidic or basic contaminant. In the process, a liquid-state composition including an agent selected form the group consisting of an...
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5507874 |
Method of cleaning of an electrostatic chuck in plasma reactors
The present invention provides a method for removing particulate contaminants from an electrostatic chuck pedestal for a semiconductor workpiece by physical removal employing a soft material...
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5507685 |
Method for surface finishing of difficult polish surfaces
A method for finishing a surface of a workpiece, having the steps of agitating the workpiece with a first mixture including a first plurality of discrete, homogeneous compressed felt chunks having...
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5505787 |
Method for cleaning surface of external wall of building
A method for cleaning a surface of an external wall of a building includes applying a cleaning fluid containing a strippable film forming agent to the surface of an external wall of a building,...
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5505749 |
Abrasive coating remover
A blast media for removing coatings from hard surfaces such as steel includes a major amount of a granular relatively soft abrasive having a Mohs hardness of less than 4 and a minor portion of a...
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5499639 |
Apparatus and method for cleaning exchanger tubes
An apparatus and method for cleaning the tubes of a heat exchanger of a type having at least one header that defines a manifold chamber having a plurality of tubes extending therefrom, the tubes...
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5496413 |
Vehicle cleaning & Waxing preparation and method of use
A method of cleaning and waxing of an aircraft's (or other vehicle's) exterior surfaces through a single application of a composition and use of simple wiping cloths. The composition is applied by...
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5492497 |
Sublimable particle blast cleaning apparatus
A particle blast cleaning apparatus for use with sublimable blast media, a source of compressed gas, and a discharge nozzle. The apparatus includes a mixing device for mixing the sublimable media...
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5490940 |
Method for forming mineral solids-oil floccules
A method is disclosed for removing spilled oil from shorelines, other solid surfaces, or from the surface of a body of water by adding to the surface a mixture of fine hydrophilic mineral solids...
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5472369 |
Centrifugal accelerator, system and method for removing unwanted layers from a surface
A cryoblasting process having a centrifugal accelerator for accelerating frozen pellets of argon or carbon dioxide toward a target area utilizes an accelerator throw wheel designed to induce,...
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5462605 |
Apparatus and method for treating sensitive surface, in particular of sculpture
An apparatus for treating, for example cleaning, sensitive, in particular highly contoured surfaces such as those of sculptures of wood, plaster, bronze and the like, comprises a mixing head (1)...
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5460655 |
Hydrophilic foam article and surface-cleaning method for clean room
A novel method and a novel article for cleaning a metal, glass, or plastic surface without scratching or scoring the surface. The novel method includes wiping the surface with the novel article,...
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5457261 |
System and method for removing contaminants from solid surfaces and decontaminating waste
A method and system for removing a surface layer contaminated with radioactive and/or hazardous material and subsequently treating the waste to remove contaminants and provide an essentially...
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5447571 |
Cleaning method for pulverized coal injection system equipment using coke breeze
A method of cleaning, either continuously or intermittently, a pneumatically operated pulverized coal system by injecting into this system a stream of generally uniformly sized coke breeze...
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5443768 |
Abrasive and purge compositions
This invention relates to an abrasive composition comprising (a) a major amount of at least one abrasive powder, (b) at least one resin selected from the group consisting of a polymer of a diene, a...
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5443652 |
Method and apparatus for cleaning contaminants from plastics
A method and apparatus for the cleaning of plastic flakes to be recycled. Water is added to the plastic flakes and high shear agitator is provided so that dirt, paper and other contamination are...
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5441763 |
Method of corrosion protecting steel structural components
A method of corrosion protecting steel structural components, such as motor vehicle structural frames and engine cradles, the method comprising: a steel shot blast mechanical cleaning of the steel...
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5439527 |
Method for fixing blast/cleaning waste
A method for blast cleaning metal and fixing the hazardous waste generated by blast cleaning. An abrasive cement in a sufficient amount is combined with the blast cleaning process, thereby reducing...
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5431740 |
Carbon dioxide precision cleaning system for cylindrical substrates
An apparatus for cleaning cylindrical surfaces includes a plurality of cleaning stations. Each cleaning station is designed to receive a substrate and includes a plurality of nozzles. The inlet end...
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5427623 |
Cleaning of machines for the production and processing of plastics
A cleaning preparation for machines for processing plastics, consisting of or containing a powder-form acrylonitrile/butadiene/styrene polymer containing 20 to 80% by weight water which has been...
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5424012 |
Method for purging thermoplastic extruders
Methods and additives for purging thermoplastic extruders and associated apparatus are included which involve the addition of a purging additive to a follower thermoplastic resin which additive...
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5423919 |
Method of cleaning tubes or conduits
Described is a method and cleaning composition for cleaning tubes or other vessels, comprising a ceramic particulate spherical or conical in shape in an amount of 1-20 wt % of the total...
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5421898 |
Method and element for controlling release of a disinfectant from a substrate
This present invention provides an element for controlling release of a quaternary disinfectant in aqueous solutions comprising a substrate coated with the residue of an aqueous composition of a...
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5417608 |
Blast cleaning apparatus and method with laterally moving conveyor
This invention relates to a blast cleaning apparatus and method which includes a laterally moving conveyor with openings therethrough, and particularly a laterally moving wire mesh conveyor. The...
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