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3945155 |
Method of removing ice from a surface by blasting
A method for treatment of a surface over which vehicles travel with particulate material is disclosed. Particulate material is projected onto the surface with kinetic energy exceeding the bonding...
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3928065 |
Composition for cleaning metal cookware
Baked-on, hardened, or carbonized food debris may be easily removed from metal cookware by contacting the debris with a mixture of kaolin and a solvent which is N-methyl-2-pyrrolidone,...
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3891456 |
Surface treatment of titanium and titanium alloys
A process for treating a titanium or titanium alloy surface to improve its bonding characteristics is provided that comprises directing a stream of a slurry of aluminum oxide grit in a...
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3869525 |
Composition comprising a mixture of thermoplastic polymers for internal cleaning of extruders
A process and an extruder cleaning composition are disclosed for removing deposits of encrusted and decomposed material at elevated temperatures from the interior surfaces in contaminated zones of...
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3854997 |
JET FLAME CLEANING
A flame head producing a high velocity jet flame is utilized with a venturi type adapter unit which creates a vacuum pick-up for abrasive particles or coating materials that are stored in a...
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3833416 |
SAND BLASTING OF METAL SURFACES AT AN ANGLE OF LESS THAN 45°
A method for removing paint from a metal surface wherein a mixture of a highly volatile chemical solvent and an abrasive (such as sand) is sprayed onto the metal surface (such as an automobile) at...
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3833414 |
ALUMINIDE COATING REMOVAL METHOD
An improved method for removing an aluminide coating from an article includes a sequential treatment of an aqueous mixed acid solution of nitric and phosphoric acids, an alkaline permanganate...
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3819525 |
COSMETIC CLEANSING PREPARATION
A cleansing composition comprising a soap or detergent base in which substantially completely hydrolyzed water-soluble polyvinyl alcohol particles are uniformly dispersed therein to form a...
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3798064 |
CONGEALING AND CLEANING MIXTURE
A granular, fluid mixture comprising polyvinyl chloride, a lubricant, sodium tripolyphosphate, and optionally a basic heavy metal compound, and a method of employing the mixture in cleaning the hot...
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3793018 |
IMPROVEMENTS IN CLEANING ELECTROPHOTOGRAPHIC IMAGING SURFACES
In an electrophotographic reproduction process in which an electrostatic image is formed on a surface, developed with powder particles, the particle image transferred to a reception material and...
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3776774 |
PROCESS FOR INTERNAL CLEANING OF EXTRUDERS
A process and an extruder cleaning composition for removing deposits of encrusted and decomposed material at elevated temperatures from the interior surfaces in contaminated zones of an extruder....
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3775180 |
METHOD FOR DESCALING STEEL
Steel is descaled by spraying a mixture of a solid such as aluminum oxide and silicon carbide, water and a gas such as air under specified conditions onto the steel.
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3764541 |
DETERGENT INTERMEDIATE AND PROCESS THEREFOR
A detergent intermediate for use in phosphate-free detergent formulations is provided by absorbing a liquid surfactant onto a coarse light soda ash utilizing a pan pelletizer to effectuate absorption.
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3762950 |
CLEANING OF PARTICLES FROM A SURFACE
Cleaning of particles from a surface, in particular toner particles from an electrostatographic recording surface, by confining a mass of a soft, non-tacky material which becomes fluid upon the...
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3716066 |
AIRCRAFT CLEANING
Apparatus and method for cleaning the exterior surface of aircraft using a cleaning solution and small, light, resilient, liquid-absorbent bodies that are insoluble in the cleaning solution which...
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3656948 |
SELECTIVE REMOVAL OF LIQUID DEVELOPER IN A CYCLICAL ELECTROPHOTOGRAPHIC PROCESS
An electrostatographic imaging surface is cleaned of liquid developer by selectively applying to the charged or image areas of the imaging surface a finely divided, dry, absorbent powder. The...
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3583489 |
WELL CLEANING METHOD USING FOAM CONTAINING ABRASIVES
A method of cleaning a well liner by contacting the well liner with a gas-liquid foam having entrained therein a quantity of abrasive particles so as to remove scale and other undesirable material...
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3535159 |
METHOD AND APPARATUS FOR APPLYING ULTRASONIC ENERGY TO A WORKPIECE
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3534805 |
METHOD OF CLEANING THE GAS-SWEPT HEATING SURFACES IN HEAT EXCHANGERS
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3524633 |
HEAT TRANSFER APPARATUS UTILIZING PARTICLES OF GRANULAR MATERIAL
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3514328 |
METHOD FOR CLEANING TEETH
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3493432 |
METHOD FOR DISPOSAL OF SEMI-LIQUID WASTE MATTER OR CELLULAR FILM SACKS FOR DO MESTIC WASTE CONTROL AND DISPOSAL
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3491029 |
SOLID STORABLE AND NON-FOAMING BOTTLE CLEANSING AGENTS
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3485671 |
METHOD OF CLEANING AIR SUPPLY SYSTEMS AND DUCTS
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3461478 |
APPARATUS FOR CLEANING SURFACES
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3452490 |
CLEANING SURFACE DEPOSITS FROM RASCHIG RINGS
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3436785 |
APPARATUS FOR CLEANING ELECTRICAL CONTACTS
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3429744 |
METHOD AND APPARATUS FOR WASHING MOLDED ARTICLES
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3426378 |
APPARATUS FOR WASHING AND DEGREASING
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3425870 |
SURFACE CLEANER FOR PREVIOUSLY POLISHED SURFACES
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3424616 |
METHOD OF REMOVING COATINGS CAUSED BY STORAGE OF MEAL OR FLOUR IN DRY BULK FORM AND PARTICULARLY FOR PREPARING FOR RE-USE LINED RAILROAD HOPPER CARS
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3424615 |
METHOD AND APPARATUS FOR CLEANING XEROGRAPHIC PLATES
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3400017 |
Turbine engine cleaning
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3397873 |
Fluid bed furnace and the like
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3382101 |
Method for eradicating hydrocarbon stains from concrete surfaces
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3360400 |
Method for power washing, surface reforming and the like
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3315417 |
Vibratory finishing apparatus
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3294584 |
Steam boiler cleaner and method for cleaning steam boilers
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3289887 |
Dispensing of reactive cleansing materials
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3272652 |
Method of removing film deposits
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3272650 |
Process for cleaning conduits
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3250643 |
Method for decoating utilizing a heated fluidized bed
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3250521 |
Apparatus for decoating utilizing a heated fluidized bed
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3235488 |
Restoration of fouled particles
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3214867 |
Apparatus for cleaning heat exchanger tubes
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3205620 |
Method and apparatus for cleaning hands and the like
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3183120 |
Method of washing dishes and the like
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3177055 |
Cleaning pad
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3142590 |
Method for vehicle washing
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3130083 |
Treatment of articles made of leatherlike material
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