| Patents for C23G 5 - Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents (4,722) |
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| 11/13/1990 | US4970013 Binary azeotropic composition of 2,3-dichloro-1,1,1,3-3-pentafluoropropane and methanol |
| 11/08/1990 | DE3913911A1 Cleaning compsn. - contg. refined gasoline, benzyl alcohol, lower aliphatic ester and emulsifier |
| 11/07/1990 | EP0238517B1 Method and apparatus for rinsing surfaces with non-aqueous liquids |
| 10/31/1990 | EP0394992A2 Solvent composition |
| 10/24/1990 | CN1046357A Azeotrope-like mixtures of 1,1-dichloro-2,2,2-trifluoroethane and 1,1-dichloro-1-fluoroethane |
| 10/17/1990 | EP0392758A1 Solvent recovering system for a cleaning machine |
| 10/17/1990 | EP0392668A1 Azeotrope-like mixtures of 1,1-dichloro-2,2,2-trifluoroethane and 1,1,-dichloro-1-fluoroethane |
| 10/10/1990 | EP0391035A2 Dense fluid photochemical process for substrate treatment |
| 10/10/1990 | CA2013879A1 Azeotrope-like mixtures of 1,1-dichloro-2,2,2-trifluoroethane and 1,1-dichloro-1-fluoroethane |
| 10/09/1990 | US4961870 Azeotrope-like compositions of 1,1,2-trichloro-1,2,2-trifluoroethane,1,2-dichloroethylene, and alkanol having 3 to 7 carbon atoms |
| 10/09/1990 | US4961869 Ternary azeotropic compositions of 2,3-dichloro-1,1,1,3,3-pentafluoropropane with trans-1,2-dichloroethylene and methanol |
| 10/09/1990 | US4961820 Using plasma from mixed gas containing oxygen, water vapor and additional gas |
| 10/04/1990 | DE3910042A1 Composition for long-lasting cleaning of metal surfaces |
| 10/04/1990 | DE3910013A1 Process for cleaning parts by means of organic solvents and their recycling by means of compressed air |
| 10/03/1990 | CN1045818A Azeotropic composition of 2,2-dichloro-1,1,1-trifluoroethane and methanol |
| 10/03/1990 | CA2009748A1 Dense fluid photochemical process for substrate treatment |
| 09/26/1990 | EP0389133A1 Azeotropic composition of 2,2-dichloro-1,1,1-trifluoroethane and methanol |
| 09/26/1990 | EP0388749A1 Titanium nitride removal method |
| 09/23/1990 | CA2012445A1 Azeotropic composition of 2,2-dichloro-1,1,1-trifluoroethane and methanol |
| 09/20/1990 | WO1990010518A1 A fluxless soldering process |
| 09/20/1990 | DE4007980A1 Compsn. for removing encrusted residues from metal surface |
| 09/19/1990 | EP0360866A4 Method and installation for cleaning parts |
| 09/13/1990 | CA2011883A1 Cleaning compositions and methods |
| 09/12/1990 | CN1045281A Hydrochlorofluorocarbon azeotropic or azeotropic-like mixture |
| 09/11/1990 | US4955403 Closed loop system and method for cleaning articles with a volatile cleaning solvent |
| 09/07/1990 | WO1990010096A1 A method of cleaning using hydrochlorofluorocarbons |
| 08/29/1990 | EP0384864A1 Purification device for a machine for cleaning various articles with a hot solvent, and machine for using same |
| 08/29/1990 | CN1044960A Azeotropic or azeotropic-like composition of hydrochlorofluoropropane |
| 08/24/1990 | CA2010799A1 Method of cleaning using hydrochlorofluorocarbons |
| 08/16/1990 | EP0382095A1 Azeotropic or azeotropic-like composition of hydrochlorofluoropropane |
| 08/16/1990 | EP0381986A1 Use of C3 to C5 polyfluoroalkanes as gas propellants |
| 08/16/1990 | EP0381887A1 Cleaning method and system using a solvent |
| 08/14/1990 | US4947881 Method of cleaning using hydrochlorofluorocarbons |
| 08/09/1990 | WO1990008603A1 Dibasic esters for cleaning electronic circuits |
| 08/08/1990 | EP0381372A2 Technique for cleaning a circuit board with a combustible cleaning solvent |
| 08/08/1990 | EP0381216A1 Hydrochlorofluorocarbon azeotropic or azeotropic-like mixture |
| 08/08/1990 | EP0380520A1 Method for removal of furfural coke deposits |
| 08/07/1990 | WO1990008815A1 Azeotropic or azeotropic-like composition of hydrochlorofluoropropane |
| 08/02/1990 | WO1990008814A1 Hydrochlorofluorocarbon azeotropic or azeotropic-like mixture |
| 08/01/1990 | CN1044352A Apparatus and operating method of stream carrier for carrying flow material |
| 08/01/1990 | CN1044303A Constant-boiling, azeotrope-like mixtures |
| 08/01/1990 | CA2003859A1 Technique for cleaning an object with a combustible cleaning solvent |
| 07/31/1990 | CA1272097A2 Formation of membrane-like material |
| 07/26/1990 | WO1990008206A1 Non-toxic, non-flammable cleaner for printed board cleaning |
| 07/25/1990 | EP0379268A2 Constant-boiling, azeotrope-like mixtures of dichlorotrifluoroethane, 1,1-dichloro-1-fluoroethane and methanol and/or ethanol |
| 07/17/1990 | CA2007994A1 Constant-boiling, azeotrope-like mixtures of dichlorotrifluoroethane, 1,1-dichloro-1-fluoroethane and methanol and/or ethanol |
| 07/12/1990 | WO1990007568A1 Azeotrope-like compositions of 1,1-dichloro-1-fluoroethane, dichlorotrifluoroethane, and methanol or ethanol |
| 07/12/1990 | WO1990007567A1 Azeotrope-like compositions of 1,1,2-trichloro-1,2,2-trifluoroethane, methanol, nitromethane, 1,2-dichloroethylene and hexane |
| 07/04/1990 | EP0376779A1 Liquid anti-adhesive cleaning composition |
| 06/28/1990 | DE3843158A1 Process and device for the cleaning and/or removal of layers of halohydrocarbon-containing residues on metallic surfaces by means of non-polluting treatment agents |
| 06/27/1990 | EP0374780A1 Solvents containing dichlorotetrafluoropropane |
| 06/27/1990 | CA2000074A1 Azeotrope-like compositions of 1,1-dichloro-1-fluoroethane, dichlorotrifluoroethane and methanol |
| 06/26/1990 | US4936923 Azeotropic compositions of 1,1,2-trichlorotrifluoroethane with cis-1,2-dichloroethylene and n-propanol or isopropanol with or without nitromethane |
| 06/26/1990 | US4936921 Method and apparatus for rinsing hydrophilic surfaces with a non-aqueous liquid |
| 06/23/1990 | CA2006180A1 Anti-adhesive cleaning solvent |
| 06/21/1990 | DE3842336A1 Process and apparatus for recovering an organic solvent |
| 06/19/1990 | US4935115 Method and apparatus for cold sputter cleaning an elongated metal substrate |
| 06/19/1990 | US4935066 Process for decomposing baked-on grease or oil |
| 06/19/1990 | US4934391 Removal of rosin, inks, resists |
| 06/14/1990 | WO1990006203A1 Process and device for cleaning objects |
| 06/14/1990 | WO1990006189A1 Cleaning process using phase shifting of dense phase gases |
| 06/07/1990 | CA2002066A1 Cleaning process using phase shifting of dense phase gases |
| 06/06/1990 | EP0371693A1 Improvements relating to soldering processes |
| 06/05/1990 | US4931104 Process for cleaning porous parts |
| 05/09/1990 | EP0367125A1 Method and device for cleaning objects with polluting solvents, especially halogen hydrocarbons |
| 05/03/1990 | WO1990004663A1 Process and device for cleaning objects with environmentally harmful solvents, in particular halogenated hydrocarbons |
| 05/01/1990 | US4921157 Fluxless soldering process |
| 05/01/1990 | CA1268390A1 Azeotrope-like compositions of trichlorotrifluoroethane, acetone, nitromethane and hexane |
| 04/24/1990 | US4919157 Method of cleaning metal components for cathode ray tubes |
| 04/18/1990 | CN1041403A Method for cleaning work pieces, and apparatus therefor |
| 04/05/1990 | WO1990003419A1 Use of (c1-c5) alkyl esters of aliphatic (c8-c22) monocarboxylic acids for removing fat, inks and the like from printing machines |
| 04/04/1990 | EP0361702A1 Solvent composition for defluxing printed circuits |
| 04/04/1990 | EP0360866A1 Method and installation for cleaning parts |
| 04/04/1990 | EP0151114B1 Acid based variable viscosity compositions such as corrosion and grease removers and polishers |
| 03/28/1990 | CN1007350B Process for degradation of alkyl polysulfide to polysulfide of low sulfur |
| 03/27/1990 | US4911189 Motorized vapor degreaser |
| 03/27/1990 | CA1266993A2 Method of separating oil or bitumen from a surface of a substrate covered with same |
| 03/06/1990 | US4906304 Difluorotetrachloroethane mixtures and their use in removing waxes |
| 03/06/1990 | US4906303 Process for the cleaning of articles or surfaces and a cleaner bath to be used in the process |
| 02/27/1990 | US4904368 Method for removal of furfural coke from metal surfaces |
| 02/20/1990 | US4902403 Removal with water jet |
| 02/13/1990 | US4900470 Azeotrope-like compositions of 1,1,2-trichloro-1,2,2-trifluoroethane, methanol, nitromethane and 1-chloropropane |
| 02/13/1990 | US4899798 Method of and apparatus for recovering and reusing organic pickling vapors |
| 02/13/1990 | CA1265821A1 Process for the degradation of alkyl polysulfides into lower sulfur polysulfides |
| 01/30/1990 | US4896813 Sputter etching to remove surface oxides, then joining by pressing sufficiently to reduce thickness of softer metal |
| 01/30/1990 | CA1265209A1 Process to remove contaminants, particularly rust/from metallic surfaces |
| 01/24/1990 | EP0351810A1 Cleaning composition of terpene compound and dibasic ester |
| 01/23/1990 | US4895604 Method and apparatus for rinsing materials or articles |
| 01/23/1990 | US4895176 Chloro-fluoro-carbon cleaning apparatus |
| 01/16/1990 | US4894176 Cleaning compounds, degreasing |
| 01/11/1990 | DE3823322A1 Process for cleaning and degreasing of material to be treated with solvents |
| 01/10/1990 | EP0350316A1 Cleaning and drying of electronic assemblies |
| 01/10/1990 | CN1038635A Hologenated hydsocarbon solvents and thereof |
| 01/02/1990 | US4890575 Thin film forming device |
| 12/28/1989 | WO1989012674A1 Halogenated hydrocarbon solvents and use thereof |
| 12/27/1989 | EP0347924A1 Use of halogenated hydrocarbon solvents as cleaning agents |
| 12/27/1989 | CN1038313A Cleaning agent for machine components greasy filth |
| 12/26/1989 | US4889589 Attacking interface between metallic substrate and ceramic with fluorine; spallation; oxide-free |
| 12/20/1989 | CN1038036A Surface cleaning process by afterglow plasma |
| 12/13/1989 | EP0346097A2 Thickening system |