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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:
| Patent Number |
Title Of Patent |
Date Issued |
| 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 |
| 7399366 |
Product and processes for preventing the occurrence of rust stains resulting from irrigation systems using water containing iron ions and for cleaning off rust stains resulting from using said |
Jul. 15, 2008 |
| 7377984 |
Method for cleaning a photomask |
May. 27, 2008 |
| 7368019 |
Method for preventing elution of lead and/or nickel from copper alloy piping material such as valve or pipe joint and copper alloy piping material, and fluid for use in cleaning piping materia |
May. 6, 2008 |
| 7329322 |
Exhaust apparatus, semiconductor device manufacturing system and method for manufacturing semiconductor device |
Feb. 12, 2008 |
| 7275550 |
Apparatus and method for cleaning and pressure testing tubular structures |
Oct. 2, 2007 |
| 7264681 |
Cleaning apparatus and cleaning method |
Sep. 4, 2007 |
| 7258750 |
Process for removal of paint from plastic substrates |
Aug. 21, 2007 |
| 7252717 |
Method and apparatus for cleaning machines |
Aug. 7, 2007 |
| 7250085 |
Method of wet cleaning a surface, especially of a material of the silicon-germanium type |
Jul. 31, 2007 |
| 7229506 |
Process for pickling martensitic or ferritic stainless steel |
Jun. 12, 2007 |
| 7228865 |
FRAM capacitor stack clean |
Jun. 12, 2007 |
| 7204890 |
Process for removing fine particulate soil from hard surfaces |
Apr. 17, 2007 |
| 7192489 |
Method for polymer residue removal following metal etching |
Mar. 20, 2007 |
| 7186301 |
Device and method for cleaning photomask |
Mar. 6, 2007 |
| 7160396 |
Washing method |
Jan. 9, 2007 |
| 7156927 |
Transition flow treatment process and apparatus |
Jan. 2, 2007 |
| 7067016 |
Chemically assisted mechanical cleaning of MRAM structures |
Jun. 27, 2006 |
| 7052553 |
Wet cleaning of electrostatic chucks |
May. 30, 2006 |
| 7052556 |
Process for removal of paint from plastic substrates |
May. 30, 2006 |
| 6991685 |
Low temperature cleaning |
Jan. 31, 2006 |
| 6953507 |
Low temperature cleaning |
Oct. 11, 2005 |
| 6936112 |
Heat exchanger cleaning process |
Aug. 30, 2005 |
| 6893509 |
Method of cleaning vessels in a refinery |
May. 17, 2005 |
| 6878215 |
Chemical removal of a metal oxide coating from a superalloy article |
Apr. 12, 2005 |
| 6872263 |
Cleaning system and method for dynamic devices in a refinery |
Mar. 29, 2005 |
| 6855210 |
Composition and method for stripping coatings from substrates |
Feb. 15, 2005 |
| 6843856 |
Cleaning agent and method for cleaning ultrafiltration membranes in electrophoretic dip coating installations |
Jan. 18, 2005 |
| 6834656 |
Plasma process for removing polymer and residues from substrates |
Dec. 28, 2004 |
| 6833032 |
Automatic deliming process |
Dec. 21, 2004 |
| 6821352 |
Compositions for removing etching residue and use thereof |
Nov. 23, 2004 |
| 6814816 |
Indicator kit |
Nov. 9, 2004 |
| 6797074 |
Wafer edge cleaning method and apparatus |
Sep. 28, 2004 |
| 6793740 |
Method for cleaning pressurized containers containing moisture sensitive chemicals |
Sep. 21, 2004 |
| 6770150 |
Process for removing deposits from enclosed chambers |
Aug. 3, 2004 |
| 6706121 |
Device and method for the treatment of semiconductor wafers |
Mar. 16, 2004 |
| 6660100 |
Method for removing paint from plastic parts |
Dec. 9, 2003 |
| 6648983 |
Process of cleaning enamel surfaces |
Nov. 18, 2003 |
| 6638365 |
Method for obtaining clean silicon surfaces for semiconductor manufacturing |
Oct. 28, 2003 |
| 6635118 |
Aqueous cleaning of polymer apply equipment |
Oct. 21, 2003 |
| 6632291 |
Methods and compositions for cleaning, rinsing, and antimicrobial treatment of medical equipment |
Oct. 14, 2003 |
| 6632289 |
Substrate cleaning method and substrate cleaning apparatus |
Oct. 14, 2003 |
| 6627001 |
Method for cleaning a semiconductor wafer |
Sep. 30, 2003 |
| 6623564 |
Method of recovering synthetic substrates |
Sep. 23, 2003 |
| 6599461 |
Method for producing nonslip floor coverings |
Jul. 29, 2003 |
| 6582524 |
Method for washing wafer and apparatus used therefor |
Jun. 24, 2003 |
| 6579380 |
Method and apparatus for cleaning molds used in the glass fabrication industry |
Jun. 17, 2003 |
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