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Class Information
Number: 134/2
Name: Cleaning and liquid contact with solids > Processes > For metallic, siliceous, or calcareous basework, including chemical bleaching, oxidation or reduction
Description: Processes in which the work has a metallic, siliceous or calcareous base, and is subjected to a bleaching, oxidizing or reducing action, usually to remove color, dirt, or impurities or other foreign matter from the base.

Sub-classes under this class:

Class Number Class Name Patents
134/3 Including acidic agent 1,485

Patents under this class:

Patent Number Title Of Patent Date Issued
8702868 Method for decontaminating surfaces of nuclear plants which have been contaminated with alpha emitters Apr. 22, 2014
8701256 Removing material from surfaces of metals processing chambers Apr. 22, 2014
8691023 Methods and apparatus for cleaning deposition chamber parts using selective spray etch Apr. 8, 2014
8691022 Method and apparatus for processing wafer-shaped articles Apr. 8, 2014
8691019 Process for cleaning a compound semiconductor wafer Apr. 8, 2014
8691018 High molecular weight polyacrylates for aluminum protection in warewash applications Apr. 8, 2014
8669189 Method for treating a semiconductor wafer Mar. 11, 2014
8668777 Process for treating a semiconductor wafer Mar. 11, 2014
8663398 Method and a washing system for washing turbines Mar. 4, 2014
8641829 Substrate processing system Feb. 4, 2014
8617409 Magnetically levitated gas cell for touchless site-isolated wet processing Dec. 31, 2013
8613287 Apparatus for preventing stiction of MEMS microstructure Dec. 24, 2013
8609195 Process for the demulsifying cleaning of metallic surfaces Dec. 17, 2013
8591663 Corrosion product chemical dissolution process Nov. 26, 2013
8580128 Method of manufacturing electromagnetic-wave shielding plate, electromagnetic-wave shielding plate manufactured thereby, and filter display using the same Nov. 12, 2013
8580039 Surface treatment method of metal member and cleaning nozzle Nov. 12, 2013
8574370 Use of alkane sulphonic acid for rust removal Nov. 5, 2013
8569223 Liquid hard surface cleaning composition Oct. 29, 2013
8563496 Liquid acidic hard surface cleaning composition Oct. 22, 2013
8562751 Dry cleaning method of substrate processing apparatus Oct. 22, 2013
8545639 Method of cleaning aluminum plasma chamber parts Oct. 1, 2013
8535448 Methods of removing a protective layer Sep. 17, 2013
8535447 Method and system to stabilize and preserve ion artifacts Sep. 17, 2013
8513593 In-situ conditioning in mass spectrometer systems Aug. 20, 2013
8512481 Press cleaning with low-VOC solvent compositions Aug. 20, 2013
8496758 Cleaning apparatus and cleaning method for wafer Jul. 30, 2013
8496757 Method for cleaning wafers using a polycarboxylate solution Jul. 30, 2013
8486291 Plasma processing method Jul. 16, 2013
8486225 Bleached fiber product production method, apparatus to be used therefor, and bleached fiber product produced thereby Jul. 16, 2013
8486201 Method for drying a semiconductor wafer Jul. 16, 2013
8480808 Detergent compositions with combinations of acrylic and maleic acid homopolymers and/or salts thereof for aluminum protection Jul. 9, 2013
8470730 Process for producing catalyst Jun. 25, 2013
8460478 Wet processing apparatuses Jun. 11, 2013
8454754 Cleaning method and method for manufacturing electronic device Jun. 4, 2013
8444771 Method for cleaning and/or deodorizing toilet bowl or urinal using an adhesive agent May. 21, 2013
8440876 Chemical decontamination apparatus and decontamination method therein May. 14, 2013
8435356 Device and method for wet treating disc-like substrates May. 7, 2013
8430969 Method for exposing and cleaning insulating coats from metal contact surfaces Apr. 30, 2013
8414707 Method of removing material from a surface of a metal work piece Apr. 9, 2013
8409363 Method of fabricating semiconductor cleaners Apr. 2, 2013
8405051 Method for removing a deposition on an uncapped multilayer mirror of a lithographic apparatus, lithographic apparatus and device manufacturing method Mar. 26, 2013
8404135 Plasma cleaning for process chamber component refurbishment Mar. 26, 2013
8398779 Non destructive selective deposition removal of non-metallic deposits from aluminum containing substrates Mar. 19, 2013
8389453 Tetrafluoroborate compounds, compositions and related methods of use Mar. 5, 2013
8378293 In-situ conditioning in mass spectrometer systems Feb. 19, 2013
8377324 Methods for removing coatings from a metal component Feb. 19, 2013
8372651 Method of monitoring a surfactant in a microelectronic process by absorbance Feb. 12, 2013
8372568 Gelatin release layer and methods for using the same Feb. 12, 2013
8353990 Process for chemically decontaminating radioactively contaminated surfaces of a nuclear plant cooling system using an organic acid followed by an anionic surfactant Jan. 15, 2013
8349090 Process for removing carbonaceous deposits on surfaces of catalysts and plant parts Jan. 8, 2013

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