| Patents for C09K 13 - Etching, surface-brightening or pickling compositions (3,392) |
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| 09/29/1994 | WO1994021474A1 Method of fabricating group iii-v compound semiconductor devices using selective etching |
| 09/27/1994 | CA2110364A1 Metal cleaner composition and method |
| 08/23/1994 | US5340687 Chemically modified hydroxy styrene polymer resins and their use in photoactive resist compositions wherein the modifying agent is monomethylol phenol |
| 08/18/1994 | WO1994018696A1 Wet-etching composition for semiconductors excellent in wettability |
| 07/26/1994 | CA1330927C Hard-surface cleaning compositions |
| 07/06/1994 | EP0586373A4 Methods of fabricating dual anode, flat panel electrophoretic displays |
| 07/05/1994 | US5326490 Cleaning solution, fluoroalkylsulfonamide surfactant |
| 06/28/1994 | US5324660 Deficient in proteolytic activity; useful as hosts for expression of proteolytically sensitive recombinant products |
| 05/17/1994 | US5312516 Immersion of tantalum pentoxide and illumination |
| 04/19/1994 | US5304397 Oxidation resistant carbon and method for making same |
| 03/23/1994 | CN1084206A Chemical Polishing corrosion liquor for compound semiconductor |
| 03/23/1994 | CN1024079C High-efficient emery wheel and treating method |
| 03/16/1994 | EP0586373A1 Methods of fabricating dual anode, flat panel electrophoretic displays. |
| 03/08/1994 | US5292445 Wet-etch process and composition |
| 02/15/1994 | US5286565 Carbon body with boron carbide formed by reaction with boron oxide, glass forming coating of silicon nitride and/or silicon oxynitride |
| 01/19/1994 | EP0578746A1 GENES WHICH INFLUENCE $i(PICHIA) PROTEOLYTIC ACTIVITY, AND USES THEREFOR |
| 01/12/1994 | EP0470957B1 Etchant solution for photoresist-patterned metal layers |
| 01/11/1994 | US5277835 Aqueous solution having hydrogen fluoride, ammonium fluoride |
| 12/22/1993 | EP0574556A1 Surface finish compositions |
| 12/21/1993 | CA2004796C Inhibited composition and method for stripping tin, lead or tin-lead alloy from copper surfaces |
| 11/25/1993 | WO1993023493A1 Etching compositions |
| 11/24/1993 | EP0416012B1 Etching solutions containing anionic sulfate esters of alkylphenol polyglycidol ethers |
| 11/18/1993 | EP0570044A1 Concentrated bromine solutions |
| 10/28/1993 | WO1993021483A1 Method of cleaning and maintaining hot water heaters |
| 10/28/1993 | CA2134106A1 Method of cleaning and maintaining hot water heaters |
| 10/26/1993 | US5256247 Liquid etchant composition for thin film resistor element |
| 09/08/1993 | EP0558724A1 Surface finishes and methods for the production thereof |
| 09/07/1993 | US5242544 Enhance adhesion |
| 08/24/1993 | US5238529 Anisotropic metal oxide etch |
| 07/13/1993 | US5227087 Cleaning printed circuit boards |
| 07/13/1993 | CA1320113C Etching solutions containing ammonium fluoride and anionic esters of alkylphenol polyglycidol ethers |
| 06/29/1993 | US5223175 Dispersed aqueous solution of glyoxal and acetic acid or sodium acetate buffer, saturated liquid hydrocarbon, emulsifier |
| 06/16/1993 | CN1073213A Surface finishes and methods for the production thereof |
| 03/16/1993 | US5194117 Lithium niobate etchant |
| 03/04/1993 | WO1993003919A1 Surface finishes and methods for the production thereof |
| 03/03/1993 | EP0334877B1 Dry granular composition for, and method of, polishing ferrous compositions |
| 02/27/1993 | WO1993003921A1 Surface finish compositions |
| 02/27/1993 | CA2094396A1 Surface finishes and methods for the production thereof |
| 02/27/1993 | CA2094395A1 Surface finish compositions |
| 02/16/1993 | CA1313612C Etching solutions containing ammonium fluoride |
| 02/02/1993 | US5183534 One-step development and etching of photoresist/polyamic acid layer using an aqueous solution of solvent, alkylamine and small amount of an ionic base |
| 01/20/1993 | EP0524050A1 Controlled dissolution of quartz |
| 12/10/1992 | WO1992021733A1 Methods of fabricating dual anode, flat panel electrophoretic displays |
| 11/24/1992 | US5165971 Activating composition for plating of electrically insulative substrates and method for plating of such substrates using said composition |
| 10/15/1992 | WO1992017595A1 Genes which influence pichia proteolytic activity, and uses therefor |
| 10/15/1992 | CA2105064A1 Genes which influence pichia proteolytic activity, and uses therefor |
| 08/26/1992 | EP0332653B1 Liquid dispersion composition for, and method of, polishing ferrous components |
| 05/13/1992 | EP0257058B1 Process for regenerating solder stripping solutions |
| 03/04/1992 | EP0248029B1 Method for selectively removing adhesives from polyimide substrates |
| 02/25/1992 | US5090405 Water-hardening polymer preparations |
| 02/11/1992 | US5087553 Cresosl novolak resin photoresist |
| 12/25/1991 | CN1057279A Sizing and impregnating materials for cold waterproof asphalt felt |
| 12/18/1991 | EP0461113A1 Tannin mannich adducts for improving corrosion resistance of metals |
| 11/06/1991 | CN1055937A Process for preparing unsaturated polyester type of solvent-free insulating materials |
| 10/01/1991 | US5053104 Introducing high frequency energy to create plasma gas and replacing with nonhalide etchant gas; high speed |
| 09/11/1991 | EP0446032A2 Wet-etch process and composition |
| 09/11/1991 | EP0445930A1 Lithium niobate etchant |
| 09/03/1991 | US5045121 Aqueous solution of hydrogen peroxide |
| 06/11/1991 | CA1284763C Composition and method for metal surface refinement |
| 05/27/1991 | CA2003915A1 Descaling composition and methods for use |
| 05/02/1991 | EP0425271A2 Process for rinsing phosphate conversion coatings with compositions containing an S-triazine compound |
| 04/24/1991 | CN1050838A High-efficient emery wheel and treating method |
| 03/27/1991 | EP0416012A4 Etching solutions containing anionic sulfate esters of alkylphenol polyglycidol ethers |
| 03/20/1991 | CN1012071B Etching solutions containing fluorinated cycloalkane sulfonate surfactand additives |
| 03/13/1991 | EP0416969A1 New water-in-oil emulsions and their use for removing hydrogen sulfide |
| 03/13/1991 | EP0416126A1 Sulfuric acid composition having low surface tension |
| 03/13/1991 | EP0416012A1 Etching solutions containing anionic sulfate esters of alkylphenol polyglycidol ethers. |
| 03/12/1991 | CA1281307C Method of plasma etching a substrate with a gaseous organohalide compound |
| 03/07/1991 | WO1991002658A1 Wet chemical etchant and method for etching high temperature superconductive films |
| 03/06/1991 | CA2024028A1 Water-in-oil emulsions and their use in the elimination of hydrogen sulphide |
| 03/05/1991 | US4997522 Wet chemical etchant and method for etching high temperature superconductive films |
| 03/05/1991 | CA1280883C Foaming acid-containing fluids |
| 02/26/1991 | US4996191 1-hydroxy-ethane-1,1-diphosphonic acid etchant |
| 02/21/1991 | WO1991001894A1 Inhibited composition and method for stripping tin, lead or tin-lead alloy from copper surfaces |
| 01/02/1991 | EP0405886A2 Surface treatment agent for fine surface treatment |
| 12/27/1990 | EP0404049A2 Process for etching polyimide resin |
| 11/20/1990 | CA1276530C Soluble fluorinated cycloalkane sulfonate surfactant additives for nh4f/hf oxide etchant solutions |
| 11/15/1990 | WO1990013443A1 Etchant solution for photoresist-patterned metal layers |
| 10/30/1990 | US4966724 With butyl carbitol and butoxy-propoxy-propanol/1-1; for kitchens and bathrooms |
| 10/18/1990 | WO1990012071A1 Composition and method for stripping tin or tin-lead alloy from copper surfaces |
| 10/02/1990 | US4960491 Speed up reaction rate by interacting with a reactive material to generate hydrogen |
| 09/25/1990 | CA1274456A1 Sodium permanganate etch baths containing a co-ion for permanganate and their use in desmearing and/or etching printed circuit boards |
| 09/20/1990 | WO1990010730A1 Sulfuric acid composition having low surface tension |
| 09/18/1990 | US4957653 Composition containing alkane sulfonic acid and ferric nitrate for stripping tin or tin-lead alloy from copper surfaces, and method for stripping tin or tin-lead alloy |
| 08/28/1990 | CA1273275A1 Preferential etching of a piezoelectric material |
| 08/16/1990 | EP0381873A2 Activating composition for plating of electrically insulative substrates and method for plating of such substrates using said composition |
| 08/01/1990 | CN1044303A Constant-boiling, azeotrope-like mixtures |
| 07/31/1990 | US4944812 Tannin mannich adducts for improving corrosion resistance of metals |
| 07/25/1990 | EP0379268A2 Constant-boiling, azeotrope-like mixtures of dichlorotrifluoroethane, 1,1-dichloro-1-fluoroethane and methanol and/or ethanol |
| 07/25/1990 | EP0378904A1 Process for etching organic polymeric materials |
| 07/17/1990 | CA2007994A1 Constant-boiling, azeotrope-like mixtures of dichlorotrifluoroethane, 1,1-dichloro-1-fluoroethane and methanol and/or ethanol |
| 06/20/1990 | EP0373374A1 Wet etching of cured polyimide |
| 06/19/1990 | CA1270429A1 Scale removal composition |
| 05/31/1990 | WO1990005794A1 Tannin mannich adducts for improving corrosion resistance of metals |
| 05/16/1990 | CA2002979A1 Tannin mannich adducts for improving corrosion resistance of metals |
| 05/01/1990 | US4921572 Etchant solutions containing hydrogen fluoride and a polyammonium fluoride salt |
| 05/01/1990 | US4921571 Alkane sulfonic acid, inorganic nitrate, inhibitor, printed circuit boards |
| 04/10/1990 | US4915781 Stabilized hydrogen peroxide compositions |
| 04/10/1990 | CA1267746A1 Treatment of metal with derivative of poly- alkenylphenol |
| 03/07/1990 | CN1040184A Stabilized hydrogen peroxide compositions |