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5195276 |
Apparatus and method for flushing a casting
An apparatus for flushing a workpiece including a passageway having an inlet and an outlet, the apparatus comprising structure adapted to communicate with the inlet and with the outlet for...
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5190594 |
Contact lens cleaning material and method
New contact lens cleaning materials are designed for use in cleaning fluorine and silicon containing hard contact lenses. The contact lens cleaning materials are water based and contain an...
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5188666 |
Paint removing compositions and methods for the manufacture and use thereof
Novel paint removing compositions, a method for their production, and methods for using the same, are described, which employ conventional active paint removing ingredients, in combination with...
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5177292 |
Method for steam cracking hydrocarbons
A method of steam cracking hydrocarbons in a steam cracking furnace (10) having tubes (12) connected to indirect quench menas (16) for the gaseous effluent leaving the furnace, the method...
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5163496 |
Process for treating old foundry sand for reuse in place of core sand
The present invention relates to a process for treating old foundry sand for reuse in place of core sand wherein the precleaned sand grains are subjected to further abrasive-thermal treatment so as...
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5160548 |
Method for cleaning tube bundles using a slurry
A method for cleaning the interior wall of a tube with a slurry and a tubular lance. The method includes the steps of inserting an end of the tubular lance into the tube and pumping a fluid through...
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5160547 |
Process for removing coatings from sensitive substrates, and blasting media useful therein
Blasting media for removing coatings from sensitive metal and composite surfaces, and a process useful therewith, wherein the blasting media comprise mixtures of water-soluble crystalline sodium...
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5158629 |
Reducing surface roughness of metallic objects and burnishing liquid used
A physicochemical process for refining metal surfaces which includes the steps of introducing metallic objects to be refined and a solution capable of reacting with the metal to produce a softer...
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5148857 |
Method for removing soot by scattering steel balls in a heat-exchanger and heat-exchanger provided with a steel ball scatterer
A method for removing soot or the like adhered to heat transfer tubes of a heat exchanger by providing a steel ball scatterer above the heat transfer tubes and intermittently scattering steel balls...
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5147615 |
Method of dispensing and dispenser therefor
Method and apparatus for dispensing detergent from within a container comprises directing a water spray transversely of the container vertical orientation to dissolve and remove detergent in...
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5147466 |
Method of cleaning a surface by blasting the fine frozen particles against the surface
To remove foreign matter (contaminants in the form of fine particles or a film of oil) deposited on a solid surface, fine frozen particles (0.01 μm to 5 mm in diameter) are used. The fine frozen...
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5140783 |
Method for surface finishing of articles
A method for mechanically finishing parts having the step of agitating a plurality of parts to be finished in contact with a plurality of discrete substantially homogeneous compressed felt chunks...
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5135578 |
Method of cleaning oil slicks and chemical spills
A method of cleaning oil slicks or chemical spills on a body of water or on the ground or other floor surface is disclosed. The method includes spreading a poplar bark-based product either onto a...
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5133159 |
Method for polishing silicone products
A method for polishing articles manufactured from silicone rubber or silicone elastomers is disclosed. This method includes tumble-polishing in a receptacle charged with polishing objects, an...
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5128058 |
Contact lens cleaner containing a microcapsular polishing agent
This invention relates to a contact lens cleaner comprising microcapsules and a desired liquid or semi-solid containing the microcapsules, the microcapsules each being formed by laminating a wall...
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5125979 |
Carbon dioxide snow agglomeration and acceleration
A cleaning process involving expanding carbon dioxide from an orifice into a thermally insulated chamber to form small carbon dioxide particles, retaining the small carbon dioxide particles in the...
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5123967 |
Buffing apparatus
Apparatus and method for buffing articles, such as leather goods, silverware and the like. The apparatus includes a flexible container for receiving an article to be buffed. The interior of the...
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5114593 |
Method of absorbing oil using powdered aquatic lily plant
The method of absorbing oil for clean-up comprising applying dry and pulverized aquatic lily to the spilled oil. The powdered water lily can be applied to both spills on land and water without...
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5112406 |
Process for removing coatings from sensitive substrates, and sodium sulfate-containing blasting media useful therein
Blasting media for removing coatings from sensitive metal and composite surfaces, and a process useful therewith, wherein the blasting media comprise mixtures of water-soluble crystalline sodium...
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5108645 |
Detergent resin composition
A detergent resin composition is provided which is, in a small quantity, capable of very effectively deterging the inside of molding machines in a short period of time at the time of change-over of...
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5108512 |
Cleaning of CVD reactor used in the production of polycrystalline silicon by impacting with carbon dioxide pellets
The present invention is a process for the cleaning of the inner surfaces of a chemical vapor deposition reactor used in the production of polycrystalline silicon. The process comprises impacting...
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5104548 |
Controlling and recovering oil spills from the environment
There is disclosed a method for treatment of an oil slick resulting from an oil spill on a body of water. The oil slick is treated with a mixture of a granular elastomeric gum comprising a block...
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5100477 |
Decontamination of toxic chemical agents
A process of decontaminating a surface contaminated with a toxic chemical agent in which there is applied to the contaminated surface, a macroporous cross-linked hydrophobic copolymer containing an...
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5100455 |
Process for bioremediation of soils
The present invention relates to the protection of the environment, particularly the soil and ground water, by biological degradation of unwanted chemical and biological entities often finding...
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5094696 |
Method of removing paint
The invention relates to a blasting method for removing coatings of paint, varnish or like substances from objects coated with such substances, in which the objects are cooled in a condensed gas,...
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5089053 |
Contact lens cleaning material and method
New contact lens cleaning materials are designed for use in cleaning fluorine and silicon containing hard contact lenses. The contact lens cleaning materials are water based and contain an...
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5078801 |
Post-polish cleaning of oxidized substrates by reverse colloidation
A method for cleaning the surface of an oxidized semiconductor wafer subjected to a planarization polishing process is described. The planarization process employes a slurry which contains abrasive...
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5078798 |
Buoyancy mediated control of catalytic reaction
A method of carrying out a reaction in a solution catalytically comprising contacting a solid catalytically active material and a solution in which a catalytic reaction is to be carried out wherein...
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5071564 |
Article and process for absorbing contaminating products
Decontaminating article comprising a preagglomerated, powdered polymer of bicyclo[2.2.1]-2-heptene or its methyl derivative in at least one fine-mesh textile bag. The bag is at least partially...
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5067984 |
Oil absorbent
An oil degradation compound, comprising a mixture of a carrier, namely flour, a first oil-reactive agent, namely dry powdered mustard, and a second wetting agent, the carrier and first agent being...
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5066335 |
Glass-like polysaccharide abrasive grit
The present invention relates to a method for treating, and in particular for abrading surfaces, utilizing glass-like polysaccharide grits. The invention also extends to novel glass-like...
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5062898 |
Surface cleaning using a cryogenic aerosol
A method is disclosed for cleaning microelectronics surfaces using an aerosol of at least substantially solid argon particles which impinge upon the surface to be cleaned and then evaporate and the...
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5059252 |
Method for enhancing bioremediation of hydrocarbon contaminated soils
A method for on-site bioremediation of soils contaminated with petroleum derived hazardous wastes is described. This method for enhancing bioremediation includes the step of applying a cationic ion...
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5049413 |
Method for cleaning a ball-like object adapted for sport and recreational use
A method for cleaning a leather ball adapted for sport and recreational use is provided. The method includes frictionally contacting the cover of the ball with an abrasive medium sufficient to...
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5045116 |
Pre-moistened towelette for, and method of, cleaning compact discs
A pre-moistened towelette wipes a compact disc clean without leaving a visible residue thereon. An ultra-pure tissue, free of binders, fillers and dyes, is permeated with a liquid cleaning...
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5037485 |
Method of cleaning surfaces
This invention relates to a process of cleaning a surface soiled with a staining agent. The method includes the steps of applying to the soiled surface a highly cross-linked macroporous hydrophobic...
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5037484 |
Cleaning agent for optical surfaces
Soft and hard contact lenses are freed from deposits by rubbing them with a particulate organic polymer with a carrier, the polymer having a particular size in the range from about one micron to...
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5035750 |
Processing method for semiconductor wafers
A cleaning method and a gettering method for semiconductor wafers comprises blasting frozen particles at the surface of a semiconductor wafer. A processing apparatus for a semiconductor wafer...
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5019245 |
Method for recovery of hydrocarbons form contaminated soil or refuse materials
A method is provided for separating an inert solid substantially inorganic fraction comprising sand or soil from a tarry or oily organic matter in a feedstock. The feedstock may be contaminated...
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5018667 |
Phase change injection nozzle
A high efficiency phase change nozzle has a body with primary orifices, a pilot nozzle extends upstream from the body and has a pilot orifice and central cavity through which a pilot flow of liquid...
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5017238 |
Aqueous cleaning dispersions using adsorptive polymeric powder and method of using
An aqueous cleaning dispersion, especially suitable as a contact lens cleaning solution, which includes a homogeneous mixture of water and a liquid-adsorbable powder homopolymer of tetraethylene...
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5011443 |
Cleaning of flat glass CRT faceplate with internal anti-glare surface
In recovering flat glass faceplates used in color cathode ray tubes (CRTs) where the CRT is rejected during manufacture, the faceplate is cleaned for re-use with a high pressure vapor blast...
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5009790 |
Method for absorbing liquids using dealginate kelp
A method is described for the absorption of a liquid in which one applies to a body of the liquid an absorbent material which contains dealginated, partially dewatered kelp residue. Other...
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5009240 |
Wafer cleaning method
A wafer cleaning system which cleans semiconductor wafers by sand blasting them with ice particles is disclosed. In this system a stream of gas is conducted by a conduit to the semiconductor wafer...
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5001873 |
Method and apparatus for in situ cleaning of excimer laser optics
A method and apparatus for cleaning the optical elements in an excimer laser in situ. A source of high pressure carbon dioxide gas is allowed to escape through a nozzle facing the surface of the...
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4977910 |
Cleaning method for apparatus
Part of liquefied carbon dioxide is subjected to adiabatic expansion so that the remainder becomes snow-like dry ice due to heat of vaporization and heat of sublimation while a liquid is being...
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4976788 |
Method of cleaning melt-processing equipment with a thermoplastic polyolefin and a bifunctional siloxane
A method of cleaning melt-processing equipment which comprises processing in such equipment a thermoplastic composition which comprises at least one thermoplastic polyolefin and at least one...
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4968447 |
Cleaning composition and method
A cleaning composition includes a liquid vehicle having dispersed therein, a particulate, organic, polymeric material. This composition is used for cleaning encrustations from the interior surface...
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4965968 |
Blast cleaning
In contrast with the known method of cleansing surfaces by the projection of sand particles in an air stream against the surface, the present invention proposes to project particles of ice or other...
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4959930 |
Washing machine
A washing machine wherein liquid detergent is applied to shots (A) having relatively low hardness, which are then impinged against an object to be washed (B) by the use of a centrifugal blaster (8;...
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