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5817163 |
Aluminum scrap cleaning and decarbonization
Aluminum scrap containing a carbon-containing coating is cleaned with about 212° F. hot water, and then decarbonized with about 1000° F. superheated steam which produces a carbon-containing...
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5810942 |
Aerodynamic aerosol chamber
An aerosol cleaning apparatus and a method of treating a substrate within such an apparatus prevent contaminant recirculation by controlling the post-impingement exhaust flow through control of the...
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5803983 |
Method for removing solid particulate material from within liquid fuel injector assemblies
A method for removing residual solid particulate material from the interior of liquid fuel injectors and other fluid flow control mechanisms having or being operatively associated with a...
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RE35879 |
Cleaning method using both wet and dry steam, and apparatus adapted therefor
The apparatus, system and method utilize sequential sprays of wet, low-temperature steam, and dry, high-temperature steam to clean the exterior of laminated objects as well as to effect...
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5789359 |
Detergent, method of cleaning, and apparatus for cleaning
The detergent of this invention, directed to the cleaning of an object having a gap portion at least in part thereof, contains at least one of components of the detergent having a solubility...
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5787353 |
Process for the in situ recovery of chemical values from UF 6 gaseous diffusion process equipment
A process for the recovery of chemical values, particularly uranium, nickel and/or radionuclides from process equipment theretofore employed in a uranium hexafluoride isotope enrichment cascade....
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5778963 |
Method of core leach
A ceramic core is removed from an investment casting by directing a stream of high pressure alkali solution between about 5,000 psi (345 bar) and about 10.000 psi (690 bar) at the core to loosen...
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5779810 |
Method to remove halogenated hydrocarbons from particulate matter
A method is disclosed for the removal of halogenated organic contaminants from particulate material by admixing a monocarboxylic acid with the particulate material, and passing a vapor phase of...
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5779815 |
Process for removal of lumen fillers and other soluble residues from hollow filaments
A process and an apparatus for removal of a lumen filler and/or other soluble residues from hollow filament bundles are described. The hollow filament bundles are first roughly cleaned by...
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5776261 |
Method for cleaning a commutator of an electric motor
In one embodiment of the present invention, machining chips (34) left in the slots (31) of an end face commutator (28) of a motor's rotor (20) are removed using a high-pressure water spray. The...
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5759287 |
Method of purging and passivating a semiconductor processing chamber
A method for purging and passivating a vacuum chamber suitable for use in the production of integrated circuit structures on semiconductor wafers. The method includes flowing a heated, non-reactive...
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5749975 |
Process for dry cleaning wafer surfaces using a surface diffusion layer
Disclosed is a method for dry cleaning a silicon surface on an in-process integrated circuit wafer which can be conducted in situ in a cluster tool or a reaction chamber where a previous etch or...
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5741365 |
Continuous method for cleaning industrial parts using a polyorganosiloxane
A continuous method for cleaning and/or removing liquid from industrial parts that includes contacting the part with a cleaning or rinsing composition that contains a straight chain or cyclic...
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5733379 |
Method for cleaning a mixer
A method for purging cured and partially cured material from a mixer employed in a system for dispensing two-component reactive polymeric materials, includes, in one aspect, the introduction of a...
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5716458 |
Method of washing and drying an article
An azeotropic liquid mixture comprising a first component (isopropyl alcohol) and a second component (water) is charged in the washing tank. A heater and a liquid temperature sensor are used to...
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5716457 |
Cleaning with solvating and rinsing agents
A process for removing soil from a substrate which includes the use of a liquid cleaning composition comprising a solvating agent (for example, a monobasic ester) and a rinsing agent (for example,...
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5715173 |
Concentration controlling method and a substate treating apparatus utilizing same
Calibration curve data is collected by measuring transmitted light intensities of a treating solvent while solvent temperature is varied. Also measured are a standard transmitted light intensity...
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5711821 |
Cleansing process for wafer handling implements
Methods are provided for cleansing contaminants from substrates, such as semiconductor wafer handling implements, and thereby reduce the incidence of contamination of semiconductor devices being...
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5707457 |
Apparatus and process for spray rinsing chemically treated articles
An improved apparatus and process for spray-rinsing chemically treated articles or workpieces with a multi-spray counterflow rinse system wherein the rinsing of chemically treated or otherwise...
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5704986 |
Semiconductor substrate dry cleaning method
A method for cleaning a semiconductor substrate. Introduced into a semiconductor substrate processing chamber is a semiconductor substrate. The semiconductor substrate and the semiconductor...
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5690751 |
Vapor phase cleaning
In a process for cleaning one or more articles in the vapor phase of an organic solvent the solvent vapor is fed into a cleaning chamber (1) wherein an absolute pressure of 200 mbar or less is...
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5688333 |
Method of bulk washing and drying of discrete components
A method of washing and drying of discrete components in bulk, wherein the components are washed with a cleaning liquid and the wet components are dried in a freeze-drying process by bringing the...
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5679175 |
Cleaning process including use of solvating and rinsing agents
A process for removing soil from a substrate which includes the use of liquid cleaning composition including a solvating agent (for example, a monobasic ester) and a rinsing agent (for example, a...
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5676762 |
Process for distributing ultra high purity gases with minimized corrosion
A process for reducing corrosion in a gas distribution network of ultra high purity gas or any part of said distribution network, including: (a) Wet cleaning the gas distribution network or at...
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5674324 |
Method for highly efficient heating system of hydrocarbon contaminated soils and effective removal of volatile hydrocarbons
An improved method for heating the aqueous slurries of soils contaminated with tarry/oily organics and volatile compounds. The method includes the steps of heating the slurry (containing inorganic...
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5674827 |
Degreasing cleaner and method for cleaning oil-deposited material
A degreasing cleaner composition, which can efficiently remove oil from an oil-deposited material to be cleaned containing: (A) 40 to 95% by weight based on total composition weight of at least...
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5660642 |
Moving zone Marangoni drying of wet objects using naturally evaporated solvent vapor
A surface tension gradient driven flow (a Marangoni flow) is used to remove the thin film of water remaining on the surface of an object following rinsing. The process passively introduces by...
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5658391 |
Method of chamber cleaning in MOCVD application
The invention is a process for cleaning a chamber after a chemical vapor deposition has been performed therein. A residue formed during the deposition is combined with a reactive species to form a...
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5653820 |
Method for cleaning metal articles and removing water from metal articles
A method of cleaning metal articles comprises the steps of cleaning metal articles with alkaline washing water, rinsing the metal articles with deoxidized rinsing water, removing water from the...
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5643368 |
Process of cleaning a substrate and apparatus for cleaning a substrate
A method for cleaning an object involves the steps of treating an object by dipping the object in a cleaning liquid, rinsing the object with a rinse liquid having a first lower temperature for...
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5634985 |
Method for the control of surface properties of magnesium particles
The invention concerns a method for control of the properties of the remaining oil layer on magnesium or magnesium alloy particles and/or other reactive metal particles produced from molten metal....
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5634978 |
Ultra-low particle semiconductor method
A method operates a system for wet processing of semiconductors. The system includes an inlet coupled to a fluid source, and a filter coupled to the inlet. The system also includes a sealed vessel...
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5601657 |
Two-step chemical cleaning process
An improved method for cleaning heat exchangers, wherein a first cleaning liquid is used to remove a majority of the accumulated sludge and deposits from the surfaces of the heat exchanger, and a...
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5599398 |
Process and machine for cleaning parts
For the purpose of cleaning parts (8), the invention comprises subjecting the latter to a prior treatment for lowering the temperature by means of a neutral gas, for example nitrogen, in an oxygen...
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5591273 |
Process for distributing ultra high purity gases with minimized contamination and particulates
A process for distributing ultra high purity gases with minimized contamination and particulates including; (a) purging said distribution network or any part thereof with dry inert high purity gas...
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5589005 |
System for supplying ultrapure water and method of washing substrate, and system for producing ultrapure water and method of producing ultrapure water
A method of washing a substrate, wherein even traces of impurities in minute and high-aspect-ratio trenches or holes can be washed and removed free from contamination by washing solution and a...
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5580394 |
Method for cleaning industrial parts including sequential direct spray and immersion of the part
A method for cleaning industrial parts includes sequentially and alternately exposing the parts to direct free-air impingement spray and immersion cleaning. Contaminated or dirty industrial parts...
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5552262 |
Process for production of photopolymerizable flexographic printing plates
High volume manufacturing process for flexographic printing plates comprises wash out, drying and post-exposure. During drying the printing plates are transported with a plurality of endless...
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5545794 |
Method for decontamination of radioactive metal surfaces
Disclosed is a method for removing radioactive contaminants from metal surfaces by applying steam containing an inorganic acid and cerium IV. Cerium IV is applied to contaminated metal surfaces by...
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5536331 |
Process for cleaning tabletting, pan-coating and granulating machines, especially rotary tabletting presses
A process for cleaning tabletting, pan-coating and granulating machines, especially rotary tabletting presses, with a treatment chamber including at least the rotor. To ensure the complete removal...
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5536330 |
Method of purging and pumping vacuum chamber to ultra-high vacuum
A method for purging a vacuum chamber suitable for use in the production of integrated circuit structures on semiconductor wafers. The method comprises providing the chamber to be purged and...
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5531919 |
Wallpaper stripper
A wallpaper stripper includes a humectant and a bond degrading component. Optionally, the stripper can include one or more of a surfactant, a high boiling point solvent and a stabilizer. A method...
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5520745 |
Remediation of contaminated material
A method for the removal of halogenated organic contaminants from particulate material by admixing an additive selected from the group consisting of a sodium salt and an ammonium salt with the...
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5507953 |
Extraction method and apparatus for cleaning contaminated soil
The method of cleaning soil contaminated with contaminants includes comminuting contaminated soil to form a comminuted contaminated soil; filling the comminuted contaminated soil into a...
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5503681 |
Method of cleaning an object
An object to be cleaned is cleaned with an cleaning agent which mixes a base cleaning agent such as silicon-containing cleaning agent or an isoparaffin containing cleaning agent with a surfactant...
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5490894 |
Cleaning method using azeotropic mixtures of perfluoro-n-hexane with diisopropyl ether or isohexane and cleaning apparatus using same
Disclosed herein is a mixed solvent composition including perfluorohexane and isohexane or diisopropyl ether.
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5486212 |
Cleaning through perhydrolysis conducted in dense fluid medium
The invention provides a cleaning agent and method for removing stains from fabrics comprising a combination of dense gas, a source of hydrogen peroxide and an organic bleach activator therefor.
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5482563 |
Method for electrical assembly cleaning using a non-azeotropic solvent composition
A distillable, non-azeotropic solvent mixture for electronic assembly cleaning in order to adequately remove solder flux and other residues traditionally removed using CFC-based azeotropes. The...
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5464031 |
Method of chamber cleaning in MOCVD applications
The invention is a process for cleaning a chamber after a chemical vapor deposition has been performed therein. A residue formed during the deposition is combined with a reactive species to form a...
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5464483 |
Flexible, compact vial washer
A method for removing exterior material from vials following a serpentine path through various steps of cleaning and drying. The movement of the vials may be limited to a predetermined path formed...
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