US PATENT SUBCLASS 205 / 249
.~.~.~ Utilizing phosphonic or phosphinic acid or derivative-containing bath

Current as of: June, 1999
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205 /   HD   ELECTROLYSIS: PROCESSES, COMPOSITIONS USED THEREIN, AND METHODS OF PREPARING THE COMPOSITIONS

80  DF  ELECTROLYTIC COATING (PROCESS, COMPOSITION AND METHOD OF PREPARING COMPOSITION) {42}
238  DF  .~ Depositing predominantly alloy coating {6}
247  DF  .~.~ Gold is predominant constituent {4}
249.~.~.~ Utilizing phosphonic or phosphinic acid or derivative-containing bath

DEFINITION

Classification: 205/249

Utilizing phosphonic or phosphinic acid or derivative-containing bath:

(under subclass 247) Subject matter wherein the electrolyte bath contains a source of phosphonic acid or phosphinic acid

or a derivative thereof (e.g., sodium phosphonate, ethylene diamine tetraphosphonic acid, etc.).