| 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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| 12/13/1989 | EP0345757A2 An ashing method for removing an organic film on a substance of a semiconductor device under fabrication |
| 12/12/1989 | US4886082 Cleaning apparatus |
| 11/30/1989 | WO1989011526A1 Low toxicity liquid solvent |
| 11/23/1989 | EP0343038A1 Surface cleaning method with a transported plasma |
| 11/16/1989 | WO1989010984A1 Azeotrope-like compositions of 1,1-dichloro-1-fluoroethane and methanol |
| 11/15/1989 | EP0341835A1 Method of oxide removal from metallic powder |
| 11/08/1989 | EP0340871A1 Cleaning method |
| 11/08/1989 | EP0340498A1 Water-dispersible compositions having a detergent or protective action on steel sheets and a process for their preparation |
| 11/08/1989 | EP0340275A1 Vapour phase process and apparatus |
| 11/01/1989 | CN1036791A Stabilized azeotrope or azeotrope-like composition of 1,1,2-trichloro-1,2,2-trifluoroethane, methanol and 1,2-dichloroethylene |
| 10/31/1989 | US4877640 Method of oxide removal from metallic powder |
| 10/31/1989 | US4877482 Removing nitride coatings from metal surfaces using a gaseous plasma containing a reactive fluorine species |
| 10/31/1989 | US4876801 Method and means for drying bulk goods |
| 10/26/1989 | DE3812454A1 Degreasing liquid |
| 10/19/1989 | WO1989009845A1 Azeotrope-like compositions of dichlorotrifluoroethane, methanol and nitromethane |
| 10/10/1989 | US4873021 Azeotrope or azeotrope-like composition of trichlorotrifluoroethane and dichlorodifluoroethane |
| 10/05/1989 | WO1989009099A1 Method and installation for cleaning parts |
| 09/27/1989 | EP0334384A1 Incombustible azeotropic like solvent compositions |
| 09/26/1989 | CA1261645A1 Removal of chlorine-based contaminants from materials contaminated with same |
| 09/19/1989 | US4867800 Cleaning composition of terpene compound and dibasic ester |
| 09/19/1989 | US4867186 Chloro-fluoro-carbon liquid jetting immersion cleaning apparatus |
| 09/06/1989 | EP0331611A2 Apparatus for purifying objects |
| 09/05/1989 | US4863630 Degreasing, cleaning compounds |
| 09/04/1989 | EP0228454A4 Compositions and methods for printed circuit board and/or printed wiring board cleaning and soldermask testing. |
| 08/31/1989 | DE3805435A1 Process and equipment for the thermal cleaning of coated workpieces |
| 08/17/1989 | DE3902418A1 Process for cleaning a metallic workpiece having surface parts of different material by ion bombardment from a gas discharge |
| 08/08/1989 | US4854973 Low odor carbon and paint remover composition |
| 08/02/1989 | CN1034387A Azeotropic compositions of 1,1-dichloro-1-fluoroethane and methanol/ethanol |
| 07/26/1989 | EP0325265A1 Azeotropic compositions of 1,1-Dichloro-1-Fluoroethane and Methanol/Ethanol |
| 07/26/1989 | EP0325240A1 Azeotropic solvent composition |
| 07/26/1989 | EP0324937A1 Apparatus for introducing a fluid substance into a carrier gas, and method for operating the apparatus |
| 07/25/1989 | US4850117 Condensation and recovery of solvent and other vapors |
| 07/19/1989 | EP0324435A2 Non-contacting method of cleaning surfaces with a planar gas bearing |
| 07/12/1989 | EP0323616A1 Incombustible azeotropic like solvent compositions |
| 07/12/1989 | CN1033847A Azeotrope or azeotrope-like composition of trichlorotrifluoroethane and dichlorodifluoroethane |
| 07/04/1989 | US4844743 Method of cleaning workpieces with a liquid solvent |
| 06/27/1989 | US4842764 Vapor degreasing, cold cleaning, solvent cleaning including defluxing of circuit boards |
| 06/20/1989 | US4840680 Method for degreasing a cold rolled metallic band |
| 06/13/1989 | US4838476 Vapour phase treatment process and apparatus |
| 06/08/1989 | DE3740089A1 Aqueous cleaner and preservative, in particular for aluminium and plastic surfaces |
| 05/18/1989 | WO1989004357A1 Method for removal of furfural coke deposits |
| 05/18/1989 | WO1989004234A1 Vapour phase process and apparatus |
| 05/18/1989 | DE3738006A1 Process for cleaning contaminated parts and device for carrying out the process |
| 05/16/1989 | CA1254104A1 Method of and composition for removing paraffin deposits from hydrocarbon transmission conduits |
| 05/10/1989 | EP0314670A1 Azeotrope-like compositions of trichlorotrifluoroethane, methanol, nitromethane, acetone, and methyl acetate |
| 05/02/1989 | US4827040 Process of degradation of alkyl polysulphides into polysulphides having a lower sulphur content |
| 05/02/1989 | US4826544 Hydrogen cleaning of hot copper rod |
| 04/27/1989 | DE3734200A1 Process and device for removing adhering lubricant from workpieces |
| 04/26/1989 | EP0313154A1 Method and apparatus for cleaning elongate metal substrates, substrates cleaned according to this method and polymeric objects reinforced with such substrates |
| 04/25/1989 | CA1253166A1 Surfactant-based solvent system for dewatering different substrates |
| 04/05/1989 | EP0310590A2 Ion treatment of the inner surfaces of objects connected as cathodes |
| 03/29/1989 | EP0309432A2 A cleaning method and apparatus therefor |
| 03/29/1989 | EP0308854A1 Desmear and etchback using NF3/O2 gas mixtures |
| 03/29/1989 | EP0308398A1 Water displacement composition |
| 03/28/1989 | US4816113 Method of eliminating undesirable carbon product deposited on the inside of a reaction chamber |
| 03/21/1989 | US4813440 Apparatus for degreasing a continuous sheet of thin material |
| 03/14/1989 | US4812256 Azeotropic compositions of 1,1-difluoro-1,2,2-trichloroethane and methanol, ethanol, isopropanol or n-propanol |
| 03/14/1989 | US4812255 Paint removing compositions |
| 03/08/1989 | EP0305358A1 A surfactant containing binary, water displacement composition |
| 03/01/1989 | EP0304451A1 Paint removing compositions |
| 02/14/1989 | US4804420 Method for degreasing a continuous sheet of thin material |
| 02/09/1989 | WO1989001057A1 Process and device for treating objects with a solvent in a closed container |
| 02/08/1989 | EP0302313A1 Process and apparatus for treating objects with solvents in a closed vessel |
| 02/08/1989 | CN1030936A Azeotrope-like compositions of trichlorotrifluoroethane methanol, nitromethane and acetone |
| 01/24/1989 | US4800362 Organic solvent cleaning apparatus |
| 01/11/1989 | EP0298204A2 Plasma etching with a large molecular mass inert gas |
| 01/10/1989 | US4797178 Carbon tetrafluoride and oxygen as a process gas |
| 01/03/1989 | US4795880 Low pressure chemical vapor deposition furnace plasma clean apparatus |
| 12/15/1988 | WO1988009833A1 Azeotrope-like compositions of trichlorotrifluoroethane methanol, nitromethane and acetone |
| 12/13/1988 | US4790955 Azeotrope-like compositions of trichlorotrifluoroethane, acetone, nitromethane and hexane |
| 12/07/1988 | EP0294353A1 Process for the cleaning of articles or surfaces and a cleaner bath to be used in the process |
| 11/29/1988 | US4787957 Plasma |
| 11/22/1988 | US4786352 Apparatus for in-situ chamber cleaning |
| 11/10/1988 | DE3714312A1 Process and device for cleaning electrical devices with an insulating oil in a vessel |
| 11/10/1988 | DE3713396A1 Process for cleaning vessels, pipeline systems and components |
| 11/09/1988 | EP0289982A2 Drying apparatus for objects in cleaning plants |
| 11/08/1988 | CA1244358A1 Apparatus and method for reducing solvent losses |
| 10/19/1988 | EP0286880A1 Drying apparatus for bulk material |
| 10/18/1988 | US4778535 Continuous ultrasonic vibrator cleaner; uniformly dispersed liquid; for tools |
| 10/18/1988 | US4777970 Vapor drying apparatus |
| 10/13/1988 | DE3709672A1 Process and system for cleaning and degreasing articles to be treated |
| 10/12/1988 | EP0189436B1 Unwetting composition based on fluorochlorohydrocarbon, surface active agent and carboxylic acid |
| 10/05/1988 | CN88101465A Method of eliminating undesirable carbon product deposited on inside of reaction chamber for cvd |
| 09/14/1988 | EP0281641A1 Process for improving the corrosion resistance of hard or semi-hard copper fitting tubes |
| 09/13/1988 | US4770714 With halogenated ethane or methane |
| 09/07/1988 | WO1988006640A1 Paint removing compositions |
| 08/31/1988 | EP0280539A1 A method of removing undesired carbon deposits from the inside of a CVD reaction chamber |
| 08/17/1988 | CN87101587A Cleaning apparatus |
| 08/16/1988 | US4764228 Forming adherent hydrogen-bearing coating; then heat decomposing; yields rapidly-reacting surfaces |
| 08/09/1988 | US4762614 Separator for liquids of varying densities; overflow; reclaiming precious metal salts |
| 08/03/1988 | EP0276876A1 Method for degreasing articles in a vapour |
| 07/19/1988 | US4757569 Process and apparatus for removing films of flow agent clinging to moving strip material |
| 07/12/1988 | CA1239139A1 Pickling agent |
| 07/05/1988 | US4755261 Heating thermal mass in vaporizing chamber, contacting with liquid to vaporize, surface treating object immersed therein, allowing vaporized liquid to flow into condensing chamber, condensing, returning to vaporizing chamber, repeating |
| 06/28/1988 | US4753735 Degreasing metal parts |
| 06/21/1988 | CA1238256A1 Solvent blend for removing flux residues |
| 06/15/1988 | EP0271135A1 Cleaning process for metal elements of cathode ray tubes |
| 06/08/1988 | EP0270144A1 Process and apparatus for continuously cleaning elongated substrates, and objects thus cleaned |
| 06/07/1988 | US4748737 Method of removing surface oxidation from particulates |
| 05/24/1988 | US4745690 Method of replenishing and/or preparing treating liquids |