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Class 134/41 - Metal base work, acid treating


Subclass of Class 134 - Cleaning and liquid contact with solids
Definition: Processes which include treating metallic base work with
No. of patents: 701
Last issue date: 07/12/2011


1                      
NumberTitleIssue Date
7976641Extending storage time of removed plasma chamber components prior to cleaning thereof
A method of extending storage time prior to cleaning a component of a plasma chamber is provided. The method comprises removing the component from the chamber, covering a thermal spray coating on the component while the surface is exposed to atmospheric air, storing...
07/12/2011
7850786Method of improving corrosion resistance of stainless steel surfaces by a process of passivation
Described is a space-conserving integrated fluid delivery system particularly useful for gas distribution in semiconductor processing equipment. The system includes integrated fluid flow network architecture, and may include, in addition to a layered substrate conta...
12/14/2010
7666264Aircraft cleaner formula
A cleaning composition based on an aqueous or non-petroleum solvent, and useful for cleaning exterior surfaces such as aircraft exterior surfaces and other metal, glass, rubber and polymer surfaces possesses solvent-like properties with respect to greasy soils; inhi...
02/23/2010
7419552C-alkanol alkoxylates and the use thereof
Alkoxylates of the formula (I) C5H11CH(C3H7)CH2O(A)n(CH2CH2O)mH  (I) where A is propyleneoxy, buteneoxy or p...
09/02/2008
7416611Process and apparatus for treating a workpiece with gases
In a method and apparatus for cleaning or processing a workpiece, a process gas is brought into contact with the workpiece by diffusion through a heated liquid layer on the workpiece, and by bulk transport achieved by entraining the gas in a liquid stream, spray or ...
08/26/2008
7410544Method for cleaning electroless process tank
A method for cleaning a metal plating tank is provided herein. In accordance with the method, the tank is exposed to a first acid (103), after which the tank is exposed to a second acid in the presence of a first oxidizing agent (107). ...
08/12/2008
7396417Method for removing laser scales
A degreasing method for descaling or removing laser scales from iron-containing metal part surface by treating the iron-containing metal part surfaces that is optionally tainted with laser scales with an aqueous solution containing at least one type of highly water-...
07/08/2008
7387130Cleaning solutions including nucleophilic amine compound having reduction and oxidation potentials
A composition for removing resists and etching residue from substrates containing at least one nucleophilic amine compound having oxidation and reduction potentials, at least one organic solvent, water and, optionally, a chelating agent is described. The chelating a...
06/17/2008
7384901Process for cleaning aluminum and aluminum alloy surfaces with nitric acid and chromic acid-free compositions
A process for cleaning (e.g., desmutting) an aluminum surface, using compositions free of nitric acid and chromic acid and comprising, in one embodiment, an oxidant and at least one mineral acid salt. In another embodiment, the process uses a composition free of nit...
06/10/2008
7381279Article for deionization of water
An article of manufacture, a system, and a method for at least partially deionizing water, including but not limited to converting tap water into essentially deionized water that can be used for numerous purposes including, but not limited to cleaning and/or treatin...
06/03/2008
7377984Method for cleaning a photomask
Disclosed herein is a method of cleaning a photomask, which prevents haze from being generated on a surface of the photomask during a photolithography process. The photomask is heat treated to remove residual ions on a surface thereof and to induce curing and oxidat...
05/27/2008
7368019Method for preventing elution of lead and/or nickel from copper alloy piping material such as valve or pipe joint and copper alloy piping material, and fluid for use in cleaning piping material
A technique is provided to precludes elution of the nickel by infallibly removing the nickel adhering to the inner surface of plumbing hardware, realize a treatment for efficient (treating temperature, treating duration, etc.) preclusion of both or either of lead an...
05/06/2008
7364625Rinsing processes and equipment
Described are methods of rinsing and processing devices such as semiconductor wafers wherein the device is rinsed with using a surface tension reducing agent; the method may include a subsequent drying step which preferably incorporates the use of a surface tension ...
04/29/2008
7351295Cleaning and polishing rusted iron-containing surfaces
A method for cleaning and polishing a rusted iron-containing metal surface is disclosed. The metal surface is contacted with a composition containing fluorometallate anions of a Group IVB metal. ...
04/01/2008
7337788Compositions useful for cleaning solvent-based paint from paint delivery installations
Uncured solvent-based paint may be flushed from a paint delivery installation using a substantially non-aqueous composition containing one or more organic solvents and a polymer having acid and/or amine functional groups. ...
03/04/2008
7270764Method for removing aluminide coating from metal substrate and turbine engine part so treated
A method for selectively removing an aluminide coating from at least one surface of a metal-based substrate by: (a) contacting the surface of the substrate with at least one stripping composition comprising nitric acid at a temperature less than about 20° C. to deg...
09/18/2007
7261780Ceramic susceptor and a method of cleaning the same
An object of the present invention is to provide a ceramic susceptor for considerably reducing the count number of metal atoms on the surface of a semiconductor after the semiconductor is treated, specifically to 1×1010 atoms/cm2 or lower. It ...
08/28/2007
7251959Washwater neutralization system for glass forming line
A neutralization system for controlling the pH of the washwater used to clean and maintain polyacrylic bound glass forming equipment. The neutralization system introduces a base solution to a washwater solution when the pH of the washwater solution contained in a cl...
08/07/2007
7252718Forming a passivating aluminum fluoride layer and removing same for use in semiconductor manufacture
A composition for the cleaning of residues from substrates can contain from about 0.01 percent by weight to about 5 percent by weight of one or more fluoride compounds, from about 20 percent by weight to about 50 percent by weight water, from about 20 percent by wei...
08/07/2007
7252096Methods of simultaneously cleaning and disinfecting industrial water systems
On-Line and Off-Line methods of simultaneously cleaning and disinfecting an industrial water system are described and claimed. The methods involve the addition to the water of the industrial water system of a Compound selected from the group consisting of the alkali...
08/07/2007
7250085Method of wet cleaning a surface, especially of a material of the silicon-germanium type
Method of wet cleaning a surface of at least one material chosen from silicon, silicon-germanium alloys, A(III)/B(V)-type semiconductors and epitaxially grown crystalline materials, such as germanium, in which method the following successive steps are carried out:
07/31/2007
7247208Microelectronic cleaning compositions containing ammonia-free fluoride salts
Ammonia-free, HF-free cleaning compositions for cleaning photoresist and plasma ash residues from microelectronic substrates, and particularly to such cleaning compositions useful with and having improved compatibility with microelectronic substrates characterized b...
07/24/2007
7232528Surface treatment agent for copper and copper alloy
The surface treatment agent for copper and copper alloys contains hydrogen peroxide, a mineral acid, an azole compound, silver ion and a halide ion. The surface treatment agent for copper and copper alloys is useful in the production of printed wiring boards in elec...
06/19/2007
7228865FRAM capacitor stack clean
An embodiment of the invention is a method of cleaning a material stack 2 that has a hard mask top layer 8. The method involves cleaning the material stack 2 with a fluorine-based plasma etch. The method further involves rinsing the material sta...
06/12/2007
7229506Process for pickling martensitic or ferritic stainless steel
A process for pickling martensitic or ferritic stainless steel, preferably in the form of wires, tubes or rods, wherein the stainless steel is placed in contact with a pickling solution which has a temperature in the range 15 to 29° C. and contains 50 to 120 g/l of...
06/12/2007
7226898Use of low foam percarboxylic acid based products containing surfactants for cip-disinfection
The use of an agent containing surfactant components chosen from sulfonic acids or sulfonates, alkylamine oxides, ethercarboxylic acids, and alkylether sulfates, in total amounts of 0.01 to 1 wt. %, preferably 0.05 to 0.5 wt. %, with respect to the entire agent, and...
06/05/2007
7226897Water soluble barrier film conformal coating composition
A composition having a first nonionic nonylphenol surfactant having an HLB value ranging from about 10 to about 15, a second nonionic nonylphenol surfactant having an HLB value ranging from about 16 to 20, an aqueous solvent, and optionally, a bio-film permeation ag...
06/05/2007
7219421Method of a coating heat spreader
A coated heat spreader for a die includes a body and a coating on a surface of the body, wherein the outermost coating is an organic surface protectant. An IC package includes a die thermally coupled to a heat spreader coated with an organic surface protectant. A PC...
05/22/2007
7214276Ether carboxylic acids based on alkoxylated styrylphenols
The invention relates to compounds of the formula (1) in which A is C2- to C4-alkylene, B is C1- to C4-alkylene, x is a number fr...
05/08/2007
7208049Process solutions containing surfactants used as post-chemical mechanical planarization treatment
Process solutions comprising one or more surfactants are used to reduce the number of defects in the manufacture of semiconductor devices. In certain preferred embodiments, the process solution of the present invention may reduce defects when employed as a rinse sol...
04/24/2007
7198680Process for cleaning surfaces of medical equipment
A method for cleaning contaminated surfaces of surgical waste management equipment. The method includes rinsing surfaces of the equipment with water to remove water soluble contaminants and waste material. A rinse solution is applied to the surfaces of the equipment...
04/03/2007
7186301Device and method for cleaning photomask
Disclosed herein is a device and a method of cleaning a photomask, which prevents haze from being generated on a surface of the photomask during a photolithography process. The photomask is heat treated to remove residual ions on a surface thereof and to induce curi...
03/06/2007
7172657Cleaning method of treatment equipment and treatment equipment
In a state of the inside of a treatment chamber of treatment equipment being evacuated, therein a cleaning gas containing trifluoroaceticacid (TFA) as a cleaning agent is supplied. Metal such as copper used in the formation of an interconnection or an electrode and ...
02/06/2007
7169235Cleaning method and polishing apparatus employing such cleaning method
A method is suitable for cleaning substrates, after polishing, that require a high degree of cleanliness, such as semiconductor wafers, glass substrates, or liquid crystal displays. The method includes polishing a substrate using an abrasive liquid containing abrasi...
01/30/2007
7166758Foam and gel methods for the decontamination of metallic surfaces
Decontamination of nuclear facilities is necessary to reduce the radiation field during normal operations and decommissioning of complex equipment. In this invention, we discuss gel and foam based diphosphonic acid (HEDPA) chemical solutions that are unique in that ...
01/23/2007
7153371Extraction with chemical exothermic reaction heating
An extraction cleaning machine comprising dispensing and recovery systems, the dispensing system including a system for generating heat with an exothermic reaction upon activation for heating the cleaning solution prior to dispensing of the cleaning solution onto a ...
12/26/2006
7144461Method of removing acid component in deteriorated acetate film
There is provided a method of removing acids from the surface and interior of an acetate film produced by deterioration during storage. Such methods are characterized by extracting and removing the acids from the surface and interior of the acetate film, and the ext...
12/05/2006
7135413Cleaning solution for removing damaged portion of ferroelectric layer and cleaning method using the same
A cleaning solution for use in removing a damaged portion of a ferroelectric layer, and a cleaning method using the solution. The cleaning solution includes a fluoride, an organic acid with carboxyl group, an alkaline pH adjusting agent and water. ...
11/14/2006
7115171Method for removing engine deposits from turbine components and composition for use in same
A method and cleaning composition for removing engine deposits from turbine components, in particular turbine disks and turbine shafts. This method comprises the following steps: (a) providing a turbine component having a surface with engine deposits thereon, wherei...
10/03/2006
7097713Method for removing a composite coating containing tantalum deposition and arc sprayed aluminum from ceramic substrates
A method for removing a metallic layer from the surface of a ceramic substrate, the method including the steps of immersing the metallic coated ceramic substrate in a solution of up to 31% hydrochloric acid for a sufficient time to at least substantially dissolve or...
08/29/2006
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