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Bronder

Klaus Bronder, Schwaebisch Gmuend DE

Patent application numberDescriptionPublished
20110060154PROCESS FOR PREPARING COMPLEXES OF PALLADIUM (HYDROGEN)CARBONATE WITH AMINE LIGANDS - The present invention relates to a process for preparing palladium complexes. In particular, the present invention relates to a process in which ammoniacal complexes of palladium (hydrogen)carbonate are converted into complexes with oligoamine ligands.03-10-2011
20110089043MODIFIED COPPER-TIN ELECTROLYTE AND PROCESS FOR THE DEPOSITION OF BRONZE LAYERS - The invention relates to a modified copper-tin electrolyte which is free of toxic constituents such as cyanides or thio compounds. The invention further relates to a process for the deposition of decorative bronze layers on consumer goods and industrial articles using the electrolyte of the invention. The electrolyte comprises an additive formed from epichlorohydrin and hexamethylenetetramine and contains carbonate or hydrogencarbonate ions.04-21-2011

Klaus Bronder, Spraitbach DE

Patent application numberDescriptionPublished
20100147696COPPER-TIN ELECTROLYTE AND METHOD FOR DEPOSITING BRONZE LAYERS - Consumer goods and industrial articles are electro-plated with bronze layers for decorative reasons and to protect them against corrosion. The electrolytes used hitherto for producing decorative bronze layers are either cyanide-containing or, as in the case of baths based on organosulphonic acids, highly corrosive or have, as in the case of cyanide-free baths based on diphosphoric acid, unsatisfactory long-term stabilities. Electrolytes which are used for applying solderable bronze layers in the electronics industry usually contain toxic or very toxic thio compounds. The present invention provides a non-toxic electrolyte which displays long-term stability for the electrolytic deposition of decorative bronze layers and a corresponding process for the application of such decorative bronze layers to consumer goods and industrial articles.06-17-2010

Klaus Bronder, Bundesland DE

Patent application numberDescriptionPublished
20110168566PD and Pd-Ni Electrolyte Baths - The present invention relates to an electrolyte for the electrochemical deposition of palladium or palladium alloys on metallic or conductive substrates. The invention likewise relates to a corresponding electroplating process using this electrolyte and specific palladium salts which can be advantageously used in this process.07-14-2011