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Class Information
Number: 134/27
Name: Cleaning and liquid contact with solids > Processes > Using sequentially applied treating agents > One a neutralizer for another
Description: Processes in which a subsequently applied agent operates to chemically neutralize a previously applied agent, e.g., where an alkaline agent operates to neutralize a previously applied acidic agent.

Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8691019 Process for cleaning a compound semiconductor wafer Apr. 8, 2014
8652267 Coated-type silicon-containing film stripping process Feb. 18, 2014
8647445 Process for cleaning semiconductor devices and/or tooling during manufacturing thereof Feb. 11, 2014
8641829 Substrate processing system Feb. 4, 2014
8617409 Magnetically levitated gas cell for touchless site-isolated wet processing Dec. 31, 2013
8551252 Methods for removing residual particles from a substrate Oct. 8, 2013
8529707 Liquid processing apparatus, liquid processing method, and storage medium having computer program recorded therein Sep. 10, 2013
8486200 Ware washing system containing cationic starch Jul. 16, 2013
8470730 Process for producing catalyst Jun. 25, 2013
8460474 Method of cleaning semiconductor wafers Jun. 11, 2013
8398781 Methods for cleaning industrial equipment with pre-treatment Mar. 19, 2013
8343286 Ware washing system containing cationic starch Jan. 1, 2013
8317993 Plating method and apparatus Nov. 27, 2012
8298341 Removal of metal contaminant deposited on quartz member of vertical heat processing apparatus Oct. 30, 2012
8277564 Method for removing a hardened photoresist Oct. 2, 2012
8246758 Neutral or alkaline medium chain peroxycarboxylic acid compositions and methods employing them Aug. 21, 2012
8221556 Copper alloy plumbing hardware, such as valves and tube couplings, and the treatment method for reducing elution of lead Jul. 17, 2012
8187389 Method of removing resist and apparatus therefor May. 29, 2012
8128754 Ferric pickling of silicon steel Mar. 6, 2012
8092613 Methods and compositions for the removal of starch Jan. 10, 2012
8038798 Method of and apparatus for cleaning substrate Oct. 18, 2011
8029623 Acid removal in cleaning processes Oct. 4, 2011
8021609 Stabilized hydrogen peroxide Sep. 20, 2011
8007593 Remover compositions Aug. 30, 2011
8007594 Method for manufacturing semiconductor device Aug. 30, 2011
7959743 Lithium salts of fatty alcohol sulphates for cleaning boreholes, boring devices and borings Jun. 14, 2011
7938911 Process for cleaning a semiconductor wafer using a cleaning solution May. 10, 2011
7931753 Method for removing deposits containing magnetite and copper from containers in industrial and power plants Apr. 26, 2011
7922822 Method for cleaning and sterilizing endoscopic camera Apr. 12, 2011
7909935 Method for cleaning a fluid delivery system Mar. 22, 2011
7901515 Media path universal cleaning fluid composition Mar. 8, 2011
7902270 Medical or veterinary material, method for the production and use thereof Mar. 8, 2011
7887625 Sealer composition Feb. 15, 2011
7887641 Neutral or alkaline medium chain peroxycarboxylic acid compositions and methods employing them Feb. 15, 2011
7879155 Process for removal of paint from plastic substrates Feb. 1, 2011
7879406 Sealer composition Feb. 1, 2011
7879153 Method for cleaning metal nanoparticles Feb. 1, 2011
7846265 Media path universal cleaning fluid composition Dec. 7, 2010
7828907 Detergent component for preventing precipitation of water hardness and providing soil removal properties Nov. 9, 2010
7799145 Biodegradable cleaner Sep. 21, 2010
7749330 Washer and decontaminator with lid control Jul. 6, 2010
7744701 Process for removal of paint from plastic substrates Jun. 29, 2010
7727337 Simplified method for cleaning production tools used for metal forming Jun. 1, 2010
7666320 Manufacturing method of printed wiring board as well as copper-clad laminate and treatment solutions used therefor Feb. 23, 2010
7641738 Method of wet cleaning a surface, especially of a material of the silicon-germanium type Jan. 5, 2010
7638004 Method for cleaning microwave applicator tube Dec. 29, 2009
7531047 Method of removing residue from a substrate after a DRIE process May. 12, 2009
7462248 Method and system for cleaning a photomask Dec. 9, 2008
7410544 Method for cleaning electroless process tank Aug. 12, 2008
7402212 Apparatus and method for cleaning a glass substrate before photoresist coating Jul. 22, 2008

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