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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
6277203 Method and apparatus for cleaning low K dielectric and metal wafer surfaces Aug. 21, 2001
6277204 Methods for cleaning wafers used in integrated circuit devices Aug. 21, 2001
6277205 Method and apparatus for cleaning photomask Aug. 21, 2001
6277209 Method and apparatus of regenerating filtration membrane cartridge for activated sludge Aug. 21, 2001
6273098 Extension of the useful life of a chemical bath used to process a substrate Aug. 14, 2001
6273099 Simplified method for cleaning silicon wafers after application of laser marks Aug. 14, 2001
6273100 Surface cleaning apparatus and method Aug. 14, 2001
6273101 Method for post chemical-mechanical planarization cleaning of semiconductor wafers Aug. 14, 2001
6273102 Method of cleaning and maintaining petroleum refining plants Aug. 14, 2001
6273959 Method of cleaning semiconductor device Aug. 14, 2001
6270584 Apparatus for drying and cleaning objects using controlled aerosols and gases Aug. 7, 2001
6264758 Method for removing carbon from kitchen utensils and the like Jul. 24, 2001
6261377 Method of removing particles and a liquid from a surface of substrate Jul. 17, 2001
6261378 Substrate cleaning unit and cleaning method Jul. 17, 2001
6258178 Method for removing coated film from plastic bumper of automobile Jul. 10, 2001
6250314 Process of pickling stainless steel Jun. 26, 2001
6250316 Transfer label having ink containment layers, container comprising a transfer layer and method of washing such a container Jun. 26, 2001
6251194 Method for mopping and scrubbing a surface using an apparatus for pesticide elimination and surface traction treatment Jun. 26, 2001
6248178 Method for removing pad nodules Jun. 19, 2001
6248179 Method of removing polymeric material on a silicon water Jun. 19, 2001
6248180 Method for removing particles from a semiconductor wafer Jun. 19, 2001
6241828 Method of cleaning or purifying elastomers and elastomeric articles which are intended for medical or pharmaceutical use Jun. 5, 2001
6238487 Method for improving the efficiency of semiconductor chip production May. 29, 2001
6235123 Chemical cleaning system for electrodes used in a liquid environment May. 22, 2001
6235124 Method and solution for removal of mildew May. 22, 2001
6235125 Industrial cleaning sponge May. 22, 2001
6230720 Single-operation method of cleaning semiconductors after final polishing May. 15, 2001
6231682 Method for washing reactor pressure vessel rod elements May. 15, 2001
6231683 Method for cleaning radioactively contaminated material May. 15, 2001
6223755 Method and apparatus for monitoring plasma processing operations May. 1, 2001
6221436 Coating method involving substrate cleaning Apr. 24, 2001
6216709 Method for drying a substrate Apr. 17, 2001
6217665 Method of cleaning substrate using ultraviolet radiation Apr. 17, 2001
6217667 Method for cleaning copper surfaces Apr. 17, 2001
6214128 Method and apparatus for preventing silicon hole defect formation after wet cleaning Apr. 10, 2001
6214129 Cleaning method with hydrochloric acid-hydrogen peroxide mixture Apr. 10, 2001
6210489 Methods and etchants for etching oxides of silicon with low selectivity Apr. 3, 2001
6206013 Device for cleaning lamellar blinds and method for using the same Mar. 27, 2001
6203627 Cleaning method Mar. 20, 2001
6200393 Carbon dioxide cleaning and separation systems Mar. 13, 2001
6196238 Apparatus for removing coated film from plastic bumper of automobile Mar. 6, 2001
6197255 Chemical analyzing apparatus Mar. 6, 2001
6190738 Process for cleaning a metal container providing enhanced mobility Feb. 20, 2001
6187729 Cleaning composition comprising solvating agent and rinsing agent Feb. 13, 2001
6187107 Mixture for drying solids by the movement of water Feb. 13, 2001
6179930 Pull-up drying method and apparatus Jan. 30, 2001
6176244 Machine dish-washing process Jan. 23, 2001
6176937 Process for treating a metal surface with an acidic solution containing hydrogen peroxide and a stabilizer Jan. 23, 2001
6176941 Method of removing contaminants from an epidermal surface using an oscillating fluidic spray Jan. 23, 2001
6177279 Ion extraction process for single side wafers Jan. 23, 2001

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