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Class Information
Number: 134/26
Name: Cleaning and liquid contact with solids > Processes > Using sequentially applied treating agents
Description: Processes in which two or more treating agents are sequentially applied to the work.










Sub-classes under this class:

Class Number Class Name Patents
134/30 Including steam, gaseous agent or temperature feature 862
134/27 One a neutralizer for another 228
134/29 One a soap or an alkaline agent 575
134/28 One an acid or an acid salt 711


Patents under this class:
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Patent Number Title Of Patent Date Issued
6869487 Process and apparatus for treating a workpiece such as a semiconductor wafer Mar. 22, 2005
6869488 Washing method Mar. 22, 2005
6866722 Screen cleaning device and method of using Mar. 15, 2005
6866723 Wet cleaning process and wet cleaning equipment Mar. 15, 2005
6863739 Vehicle wash apparatus with an adjustable boom Mar. 8, 2005
6863740 Cleaning method of ceramic member Mar. 8, 2005
6858089 Apparatus and method for semiconductor wafer cleaning Feb. 22, 2005
6858091 Method for controlling galvanic corrosion effects on a single-wafer cleaning system Feb. 22, 2005
6858181 Method for cleaning and sterilizing medical equipment after use Feb. 22, 2005
6855210 Composition and method for stripping coatings from substrates Feb. 15, 2005
6852173 Liquid-assisted cryogenic cleaning Feb. 8, 2005
6843855 Methods for drying wafer Jan. 18, 2005
6843857 Methods for cleaning semiconductor surfaces Jan. 18, 2005
6843858 Method of cleaning a semiconductor processing chamber Jan. 18, 2005
6843860 Method and device for pickling hot-rolled special steel strips Jan. 18, 2005
6840251 Methods of simultaneously cleaning and disinfecting industrial water systems Jan. 11, 2005
6841008 Method for cleaning plasma etch chamber structures Jan. 11, 2005
6837943 Method and apparatus for cleaning a semiconductor substrate Jan. 4, 2005
6837944 Cleaning and drying method and apparatus Jan. 4, 2005
6834656 Plasma process for removing polymer and residues from substrates Dec. 28, 2004
6835121 Chemical-mechanical polishing methods Dec. 28, 2004
6833032 Automatic deliming process Dec. 21, 2004
6833109 Method and apparatus for storing a semiconductor wafer after its CMP polishing Dec. 21, 2004
6830628 Methods for cleaning semiconductor surfaces Dec. 14, 2004
6830629 Method for treating brass Dec. 14, 2004
6827090 Process for removing deposits from water-carrying systems and devices for water supply Dec. 7, 2004
6824620 Method for removing particles and non-volatile residue from an object Nov. 30, 2004
6824621 Single wafer type substrate cleaning method and apparatus Nov. 30, 2004
6821351 Hydrofluoric acid generating composition and method of treating surfaces Nov. 23, 2004
6821352 Compositions for removing etching residue and use thereof Nov. 23, 2004
6817366 Beverage flow line cleaner with safety indicator and method of use Nov. 16, 2004
6814816 Indicator kit Nov. 9, 2004
6810887 Method for cleaning semiconductor fabrication equipment parts Nov. 2, 2004
6805137 Method for removing contamination particles from substrates Oct. 19, 2004
6805750 Surface preparation process for deposition of ceramic coating Oct. 19, 2004
6802911 Method for cleaning damaged layers and polymer residue from semiconductor device Oct. 12, 2004
6800141 Semi-aqueous solvent based method of cleaning rosin flux residue Oct. 5, 2004
6800142 Method for removing photoresist and post-etch residue using activated peroxide followed by supercritical fluid treatment Oct. 5, 2004
6796315 Method to remove particulate contamination from a solution bath Sep. 28, 2004
6797070 Method for cleaning a cooler apparatus Sep. 28, 2004
6797074 Wafer edge cleaning method and apparatus Sep. 28, 2004
6797076 Spray nozzle system for a semiconductor wafer container cleaning aparatus Sep. 28, 2004
6797245 Apparatus for washing and disinfecting-sterilizing endoscope Sep. 28, 2004
6792956 Floating bathtub or swimming pool cleaning device Sep. 21, 2004
6793737 Process for removing a resinous coating from fiberous products Sep. 21, 2004
6793836 Puddle etching method of thin film by using spin-processor Sep. 21, 2004
6790289 Method of cleaning a plasma processing apparatus Sep. 14, 2004
6790291 Method of and apparatus for processing substrate Sep. 14, 2004
6786975 Method of cleaning printhead in inkjet printer Sep. 7, 2004
6783601 Method for removing particles and non-volatile residue from an object Aug. 31, 2004

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