Resources Contact Us Home
Browse by Category: Main > Material Science
Class Information
Number: 134/2
Name: Cleaning and liquid contact with solids > Processes > For metallic, siliceous, or calcareous basework, including chemical bleaching, oxidation or reduction
Description: Processes in which the work has a metallic, siliceous or calcareous base, and is subjected to a bleaching, oxidizing or reducing action, usually to remove color, dirt, or impurities or other foreign matter from the base.

Sub-classes under this class:

Class Number Class Name Patents
134/3 Including acidic agent 1,478

Patents under this class:

Patent Number Title Of Patent Date Issued
8266820 Substrate processing method, and program storage medium therefor Sep. 18, 2012
8263540 Detergent compositions with combinations of acrylic and maleic acid homopolymers and/or salts thereof for aluminum protection Sep. 11, 2012
8262769 Method of detinning Sn plating layer on Cu-based material Sep. 11, 2012
8252119 Microelectronic substrate cleaning systems with polyelectrolyte and associated methods Aug. 28, 2012
8246757 Pyrolysis methods and ovens therefor Aug. 21, 2012
8241428 Liquid acidic hard surface cleaning composition Aug. 14, 2012
8236091 Fluid separation method and fluid separation apparatus Aug. 7, 2012
8231736 Wet clean process for recovery of anodized chamber parts Jul. 31, 2012
8231733 Aqueous stripping and cleaning composition Jul. 31, 2012
8231720 Moldwash formulation Jul. 31, 2012
8226773 Method and composition for cleaning wafers Jul. 24, 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
8211239 Method of cleaning beer kegs and other brewery processing equipment Jul. 3, 2012
8206488 Fluoride ion cleaning method Jun. 26, 2012
8202370 Method for removing acidic deposit Jun. 19, 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
8192550 Use of an aqueous neutral cleaning solution and method for removing rouging from stainless steel surfaces Jun. 5, 2012
8172951 Method of cleaning with an aqueous composition containing a semiconductor May. 8, 2012
8163101 Method of cleaning contaminated surfaces Apr. 24, 2012
8153057 Method and device for preventing corrosion in hot water systems Apr. 10, 2012
8133854 Liquid acidic hard surface cleaning composition Mar. 13, 2012
8133327 Substrate processing method, storage medium and substrate processing apparatus Mar. 13, 2012
8133325 Dry cleaning method for plasma processing apparatus Mar. 13, 2012
8128754 Ferric pickling of silicon steel Mar. 6, 2012
8123866 Wafer manufacturing method and device Feb. 28, 2012
8122899 Apparatus and method for treating substrate Feb. 28, 2012
8118945 Substrate processing method and substrate processing apparatus Feb. 21, 2012
8097092 Method of cleaning and after treatment of optical surfaces in an irradiation unit Jan. 17, 2012
8083858 Method and system for cleaning an artillery gun barrel Dec. 27, 2011
8080110 Method and system to stabilize and preserve iron artifacts Dec. 20, 2011
8076655 Method of cleaning optical surfaces of an irradiation unit in a two-step process Dec. 13, 2011
8075704 Method for the removal of airborne molecular contaminants using oxygen and/or water gas mixtures Dec. 13, 2011
8075701 Processes for reconditioning multi-component electrodes Dec. 13, 2011
8075697 Particle removal method and composition Dec. 13, 2011
8075696 Method of recovering heat transfer in reactor and regenerator effluent coolers Dec. 13, 2011
8070882 Method for the wet-chemical treatment of a semiconductor wafer Dec. 6, 2011
8063006 Aqueous cleaning composition for semiconductor copper processing Nov. 22, 2011
8062430 Process for cleaning filters Nov. 22, 2011
8062429 Methods of cleaning semiconductor devices at the back end of line using amidoxime compositions Nov. 22, 2011
8057604 Method and device for descaling metal strip Nov. 15, 2011
8052800 Method for the removal of an insulative coating using an aqueous solution comprising dimethyl formamide Nov. 8, 2011
8052797 Method for removing foreign matter from substrate surface Nov. 8, 2011
8043435 Cleaning liquid and cleaning method for electronic material Oct. 25, 2011
8038803 Method of descaling metallic devices Oct. 18, 2011
8038799 Substrate processing apparatus and substrate processing method Oct. 18, 2011
8038798 Method of and apparatus for cleaning substrate Oct. 18, 2011
8030182 Semiconductor device manufacturing method and semiconductor manufacturing apparatus Oct. 4, 2011

  Recently Added Patents
Method for data maintenance
Graph matching system for comparing and merging fault models
Indexing structures using synthetic document summaries
Method and apparatus to minimize metadata in de-duplication
Pluggable module with integrated data analysis function
Vaporizer for sterilization of plastic containers
Polarization-maintaining fiber and optical fiber sensor using same
  Randomly Featured Patents
Solid state imaging device having a photodiode and a MOSFET
Smoke alarm
XDSL system with improved impedance circuitry
X-ray analyzer
Filter circuits
Combined hole making and threading tool
Automatic transmission with anti creep device
Radiographic inspection of airframes and other large objects
Method and apparatus for reducing power consumption in VLSI circuit designs