Process for providing catalytically active platinum metal layers

Details Process for providing catalytically active platinum metal layers Process for providing catalytically active platinum metal layers

1993-04-02

1999-01-05

Utech, Benjamin

Coating processes

With pretreatment of the base

Preapplied reactant or reaction promoter or hardener

427305, 427437, 427438, 4274431, B05D 304

Patent

active

058559590

ABSTRACT:
A process for depositing catalytically active platinum metal layers from an ionogenic, acidic, platinum metal ions-containing solution which further contains sulfonic acid. This activation leads to more uniform catalyst layers with greater surfaces which are catalytically more efficient. The process according to the invention can be implemented in any chemical process utilizing platinum metal catalysts, e.g. chemical synthesis, environment applications or metallization of surfaces.

REFERENCES:
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patent: 3958048 (1976-05-01), Donovan et al.
patent: 4004051 (1977-01-01), Kadison et al.
patent: 4520046 (1985-05-01), McCaskie et al.
patent: 4704401 (1987-11-01), Studt et al.
patent: 4764401 (1988-08-01), Sirinyon et al.

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