Patent ID: 9376755
Filing Date: 2016-06-28
CPC Classification: C23C

Claim Text:
1. A process for depositing a nickel-boron or cobalt-boron coating on a metallic substrate, the method comprising: (a) creating a galvanic cell on a surface of a metallic substrate; (b) contacting the metallic substrate of step (a) with an aqueous solution comprising: an amino acid having at least one amino moiety and at least one carboxylic acid moiety or a polypeptide thereof, having a molar ratio of amino moieties to carboxylic acid moieties of 1 or greater; a nickel-containing or a cobalt-containing salt; and a boron-containing reducing agent selected from the group consisting of sodium borohydride, lithium borohydride, and potassium borohydride; and a pH of from about 10.5 to about 11.5; at a temperature of greater than 10° C. (50° F.) to less than 46.11° C. (115° F.); whereby an electroless deposition reaction results, yielding a nickel-boron or cobalt-boron coating on the metallic substrate.