Post colloid addition of catalytic promoters to non noble metal

Details Post colloid addition of catalytic promoters to non noble metal Post colloid addition of catalytic promoters to non noble metal

1977-09-16

1979-04-24

Smith, John D.

Coating processes

Electrical product produced

Welding electrode

96 48PD, 106 111, 427 54, 427 55, 427256, 427304, 427305, 427306, C23C 302

Patent

active

041513118

ABSTRACT:
A process and composition for catalyzing a substrate prior to electroless metal deposition. The catalyst formulation comprises the colloidal product resulting from the admixture of a principal catalytic agent and a catalytic promoting agent. The principle catalytic agent is selected from the metals of Period 4 of Groups 1B and VIII of the Periodic Table of the Elements while the catalytic promoting agent is selected from the metals of Period 4, 5, 6 and Groups IVB, VB, VIB and VIIB of the Periodic Table of the Elements, and further the catalytic promoter agent is admixed subsequent to the colloid nucleation process.

REFERENCES:
patent: 3310430 (1967-03-01), Schneble et al.
patent: 3657003 (1972-04-01), Kenney
patent: 3900614 (1975-08-01), Lando
patent: 3958048 (1976-05-01), Donovan
patent: 3993491 (1976-11-01), Feldstein
patent: 3993799 (1976-11-01), Feldstein
patent: 3993801 (1976-11-01), Feldstein

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