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Class Information
Number: 134/3
Name: Cleaning and liquid contact with solids > Processes > For metallic, siliceous, or calcareous basework, including chemical bleaching, oxidation or reduction > Including acidic agent
Description: Processes which include treating the work with a substance having an acid reaction.

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
8691023 Methods and apparatus for cleaning deposition chamber parts using selective spray etch Apr. 8, 2014
8691019 Process for cleaning a compound semiconductor wafer Apr. 8, 2014
8685173 Method of cleaning food and beverage manufacturing and handling equipment Apr. 1, 2014
8685169 Substrate processing apparatus, substrate processing method and storage medium Apr. 1, 2014
8669189 Method for treating a semiconductor wafer Mar. 11, 2014
8668777 Process for treating a semiconductor wafer Mar. 11, 2014
8641829 Substrate processing system Feb. 4, 2014
8636848 Vacuumable gel for decontaminating surfaces and use thereof Jan. 28, 2014
8636018 Microbubble cleaning system for a large product such as a vehicle Jan. 28, 2014
8632691 Interface treatment method for germanium-based device Jan. 21, 2014
8603320 Mobile surface cleaner and method for generating and applying an electrochemically activated sanitizing liquid having O.sub.3 molecules Dec. 10, 2013
8574370 Use of alkane sulphonic acid for rust removal Nov. 5, 2013
8545639 Method of cleaning aluminum plasma chamber parts Oct. 1, 2013
8535448 Methods of removing a protective layer Sep. 17, 2013
8524006 Target bodies and uses thereof in the production of radioisotope materials Sep. 3, 2013
8486201 Method for drying a semiconductor wafer Jul. 16, 2013
8480809 Methods for application of two-phase contaminant removal medium Jul. 9, 2013
8475598 Strip process for superalloys Jul. 2, 2013
8460474 Method of cleaning semiconductor wafers Jun. 11, 2013
8454754 Cleaning method and method for manufacturing electronic device Jun. 4, 2013
8399394 Systems and methods for processing glycerol Mar. 19, 2013
8398779 Non destructive selective deposition removal of non-metallic deposits from aluminum containing substrates Mar. 19, 2013
8393381 Method of forming a cast metal article Mar. 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
8343283 Cleaning with controlled release of acid Jan. 1, 2013
8333843 Process to remove metal contamination on a glass substrate Dec. 18, 2012
8323416 Process and composition for removing a scale deposit Dec. 4, 2012
8323415 Fast recycling process for ruthenium, gold and titanium coatings from hydrophilic PEM fuel cell bipolar plates Dec. 4, 2012
8310054 Semiconductor device manufacturing method and target substrate processing system Nov. 13, 2012
8298341 Removal of metal contaminant deposited on quartz member of vertical heat processing apparatus Oct. 30, 2012
8266129 System for endoscope data management, and system and data manager for washing data management Sep. 11, 2012
8252119 Microelectronic substrate cleaning systems with polyelectrolyte and associated methods Aug. 28, 2012
8246758 Neutral or alkaline medium chain peroxycarboxylic acid compositions and methods employing them Aug. 21, 2012
8241428 Liquid acidic hard surface cleaning composition Aug. 14, 2012
8231736 Wet clean process for recovery of anodized chamber parts Jul. 31, 2012
8231733 Aqueous stripping and cleaning composition Jul. 31, 2012
8221640 Method of dissolving the solids formed in a nuclear plant Jul. 17, 2012
8221556 Copper alloy plumbing hardware, such as valves and tube couplings, and the treatment method for reducing elution of lead Jul. 17, 2012
8221552 Cleaning of bonded silicon electrodes Jul. 17, 2012
8216384 Combinatorial approach to the development of cleaning formulations for wet removal of high dose implant photoresist Jul. 10, 2012
8216383 Methods and composition for cleaning a heat transfer system having an aluminum component Jul. 10, 2012
8211844 Method for cleaning a semiconductor structure and chemistry thereof Jul. 3, 2012
8211239 Method of cleaning beer kegs and other brewery processing equipment Jul. 3, 2012
8206647 Beverage manufacture, processing, packaging and dispensing using electrochemically activated water Jun. 26, 2012
8197605 Use of alkanesulfonic acid as agent for cleaning cement, mortar and concrete Jun. 12, 2012
8192556 Pickling or brightening/passivating solution and process for steel and stainless steel Jun. 5, 2012
8192554 Method of descaling metallic devices Jun. 5, 2012
8158311 Method for managing light exposure mask and light exposure mask Apr. 17, 2012
8147713 Composition and method for scale removal and leak detection Apr. 3, 2012

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