Electrodeposition of nickel
Abstract
Abstract AND SALTS THEREOF. -COOH AND Y IS CN OR -NH-(CH2)2-CN WHEREIN X IS SELECTED FROM THE GROUP CONSISTING OF H, -NH2, AND Y-CH(-X)-CH2-S-(CH2)2-CN THIS INVENTION RELATES TO NOVEL COMPOSITIONS AND TO AN IMPROVED PROCESS FOR ELECTROPLATING BRIGHT NICKEL WHICH COMPRISES ELECTRODEPOSITING NICKEL FROM AN AQUEOUS NICKEL ELECTROPLATING BATH CONTAINING (A) AS A FIRST PRIMARY BRIGHTENER AN EFFECTIVE AMOUNT OF A WATER-SOLUBLE ACETYLENIC COMPOUND, (B) A SECONDARY BRIGHTENER AN EFFECTIVE A SECOND COOPERATING PRIMARY BRIGHTENER AN EFFECTIVE AMOUNT OF: (I) A HETEROCYCLIC COMPOUND HAVING AT LEAST TWO NITROGEN ATMOS IN AN OTHERWISE CARBOCYCLIC STRUCTURE WHEREIN AT LEAST ONE NITROGEN ATOM BEARS AT LEAST ONE CYANOETHYL GROUP AND WHEREIN SAID COMPOUND CONTAINS AT LEAST ONE SULFUR ATOM, OR (II) A COMPOUND HAVING THE FORMULA
Inventors
- 👤 F Passal
Bibliographic Details
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| 7.5 Years (Year 8) | 1980-05-21 | 1980-11-20 | 1981-05-22 | $3760.00 | Window Closed / Lapsed |
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