Patents for C09K 13 - Etching, surface-brightening or pickling compositions (3,392)
03/1990
03/07/1990CN1040183A Hydrogen peroxide compositions contg. substd. oxybenzene compound
02/1990
02/21/1990CN1039775A Hydrogen peroxide compositions containing a substituted aminobenzaldehyde
01/1990
01/31/1990EP0353084A2 Stabilized hydrogen peroxide compositions
01/31/1990EP0353083A2 Hydrogen peroxide compositions containing a substituted oxybenzene compound
01/31/1990EP0353082A2 Hydrogen peroxide compositions containing a substituted aminobenzaldehyde
01/23/1990US4895617 Amine oxide surfactant
01/09/1990US4892616 Process for stripping color filter arrays from substrates
11/1989
11/30/1989WO1989011517A1 Etching solutions containing anionic sulfate esters of alkylphenol polyglycidol ethers
11/29/1989CN1037531A Multifunctional polishing agent
10/1989
10/24/1989US4875973 Hydrogen peroxide compositions containing a substituted aminobenzaldehyde
10/24/1989US4875972 For etching printed circuit boards
10/03/1989US4871422 Etching solutions containing ammonium fluoride and anionic sulfate esters of alkylphenol polyglycidol ethers and method of etching
09/1989
09/05/1989US4863563 Nonionic surfactants
08/1989
08/22/1989US4859280 Method of etching silicon by enhancing silicon etching capability of alkali hydroxide through the addition of positive valence impurity ions
08/16/1989EP0328174A2 Hard-surface cleaning compositions
08/15/1989US4857143 Wet etching of cured polyimide
08/15/1989CA1258409A1 Oxidation resistant carbon body and method for making same
08/08/1989US4855018 Exposing to alkali metal vapors to form metal fluoride coating, removal
07/1989
07/27/1989WO1989006639A1 Alkaline permanganate etchant regeneration process and apparatus
06/1989
06/27/1989US4842629 Method for producing buried regions of raised refractive index in a glass member by ion exchange
05/1989
05/23/1989CA1254493A1 High concentration sodium permanganate etch bath and its use in desmearing and/or etching printed circuit boards
03/1989
03/29/1989EP0308854A1 Desmear and etchback using NF3/O2 gas mixtures
03/29/1989CN1032021A Method for making a kind of polishing fluid with added oxidizing acidic silicasol
03/08/1989EP0305804A2 Water-hardening polymer composition
03/08/1989CN1031544A Water-hardening polymer preparation
02/1989
02/07/1989US4802950 Phosphoric acid, silica and abrasive particles; eliminates precleaning, shortens rinsing
01/1989
01/18/1989CN1030435A Silicone composition
01/03/1989US4795582 Surface treating composition for micro processing
11/1988
11/29/1988US4787957 Plasma
11/22/1988CA1245137A1 Method of regenerating permanganate etch bath
11/01/1988US4781853 Method of enhancing silicon etching capability of alkali hydroxide through the addition of positive valence impurity ions
10/1988
10/12/1988EP0286167A2 Hard-surface cleaning compositions
09/1988
09/29/1988DE3708832A1 Wet-chemical patterning of hafnium boride layers
09/20/1988CA1242130A1 Acidic compositions having ph values of less than about 1 and method for producing same
09/13/1988CA1241898A1 Soluble surfactant additives for ammonium fluoride/hydrofluoric acid oxide etchant solutions
08/1988
08/17/1988EP0278628A2 Etching solutions containing ammonium fluoride
08/02/1988US4761245 Nonionic surfactants, silicon dioxide, integrated circuits
08/02/1988US4761244 Nonionic surfactants
07/1988
07/26/1988US4759823 Method for patterning PLZT thin films
07/19/1988US4758368 Method for etching silicon wafers using a potassium hydroxide and water etching solution
06/1988
06/08/1988EP0269996A1 Method of producing a buried region with a higher refractive index in a glass body by ion exchange
06/02/1988WO1988003964A1 Liquid dispersion composition for, and method of, polishing ferrous components
06/02/1988WO1988003963A1 Dry granular composition for, and method of, polishing ferrous compositions
05/1988
05/25/1988EP0268361A1 Solution, composition and process of refining metal surfaces
05/24/1988US4746369 Peroxide selective stripping compositions and method
05/04/1988CN86107183A Chemical etching of marble or white marble
04/1988
04/26/1988CA1235630A1 Etching techniques
02/1988
02/16/1988US4725375 Etchant composition
02/09/1988US4724042 Dry granular composition for, and method of, polishing ferrous components
02/09/1988US4724041 Oxalic acid, phosphorus sequestering agent
12/1987
12/16/1987EP0119262B1 Solder stripping solution
12/15/1987US4713145 Immersion in a gel-like precipitated form of phosphoric acid
12/09/1987EP0248029A1 Method for selectively removing adhesives from polyimide substrates.
12/08/1987USRE32555 Solder stripping solution
11/1987
11/10/1987US4705594 Composition and method for metal surface refinement
07/1987
07/30/1987WO1987004451A1 Process for regenerating solder stripping solutions
07/30/1987DE3644243A1 Agent for controlling the incipient etching of tin-lead alloys
06/1987
06/18/1987WO1987003773A1 Method for selectively removing adhesives from polyimide substrates
06/16/1987US4673521 Process for regenerating solder stripping solutions
05/1987
05/27/1987EP0223265A2 A method for manufacturing the working material used in a magnetic refrigerator
04/1987
04/28/1987US4661201 Concentrated thermal energy source
01/1987
01/27/1987US4639290 Methods for selectively removing adhesives from polyimide substrates
01/24/1987CN86102134A Cleaner for leather products
01/07/1987EP0207587A1 High concentration sodium permanganate etch bath and its use in desmearing and/or etching printed circuit boards
01/07/1987EP0207586A1 Sodium permanganate etch baths and their use in cleaning, desmearing and/or etching resinous substrates
12/1986
12/17/1986CN85104794A Composition of self-emulsion based on material of florochlorohydrocarbon and phosphoroate
12/10/1986EP0204399A1 Method of regenerating permanganate etch bath
11/1986
11/26/1986CN86103055A Etching solutions containing fluorinated cycloalkane sulfonate surfactand additives
11/20/1986EP0201808A2 Soluble fluorinated cycloalkane sulfonate surfactant additives for NH4F/HF oxide etchant solutions
11/12/1986EP0201151A2 Precleaner compositions, activators therefor, and their use in soldering
11/12/1986EP0201150A2 Soldering fluxes, activators therefor, and their use in soldering
11/12/1986CN86103176A Process for preparing acid inhibitors from adipic dinitrile residues
11/04/1986US4620934 Soluble fluorinated cycloalkane sulfonate surfactant additives for NH4
09/1986
09/09/1986US4610759 Mineral acid, reducing agent
09/02/1986USH125 Etch and polish for metal halides
08/1986
08/26/1986US4608091 Peroxide selective stripping compositions and method
08/19/1986CA1209886A1 Peroxide selective stripping compositions and method
07/1986
07/22/1986US4601784 Sodium permanganate etch baths containing a co-ion for permanganate and their use in desmearing and/or etching printed circuit boards
07/22/1986US4601783 High concentration sodium permanganate etch batch and its use in desmearing and/or etching printed circuit boards
06/1986
06/04/1986EP0182839A1 Self-emulsionable compositions based on fluorochlorohydrocarbons and phosphoric esters
05/1986
05/28/1986EP0182306A2 Etchant composition
04/1986
04/15/1986US4582624 Etchant composition
04/15/1986CA1203149A1 Solder stripping solution
04/08/1986US4581101 Dry-etching process
04/02/1986EP0176055A1 Oxidation resistant carbon body and method for making same
03/1986
03/05/1986EP0173167A1 Nonfuming solder cleansing and fusing fluids
02/1986
02/10/1986CN85106004A Aqueous emulsion polishing agent
02/04/1986US4568395 Precleaner system and soldering flux
12/1985
12/19/1985WO1985005643A1 Self-emulsionable compositions based on fluorochlorohydrocarbons and phosphoric esters
12/17/1985US4559098 Nitride etch bath
12/11/1985EP0164143A1 Method of etching ferrimagnetic garnet compounds
10/1985
10/30/1985EP0159579A2 Soluble surfactant additives for ammonium fluoride/hydrofluoric acid oxide etchant solutions
10/15/1985US4547304 Alkylene oxide adduct; primary amine or ethoxylate therof
10/01/1985CA1194389A1 Dissolution of metals utilizing a glycol ether
07/1985
07/16/1985US4529476 Gas for selectively etching silicon nitride and process for selectively etching silicon nitride with the gas
05/1985
05/14/1985US4517106 Soluble surfactant additives for ammonium fluoride/hydrofluoric acid oxide etchant solutions
05/08/1985EP0140201A2 Dry-etching process
04/1985
04/09/1985CA1185152A1 Selective chemical removal of hard surface coatings from superalloy substrates
02/1985
02/27/1985EP0133584A1 Etchant composition
02/12/1985US4498953 Etching techniques
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