US PATENT SUBCLASS 205 / 106
.~ Forming nonmetal coating using specified waveform other than pure DC or 60 Hz sine wave AC (e.g., anodic oxide coating, etc.)

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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}
106.~ Forming nonmetal coating using specified waveform other than pure DC or 60 Hz sine wave AC (e.g., anodic oxide coating, etc.) {2}
107  DF  .~.~> Reversing current or voltage
108  DF  .~.~> Nonreversing pulsed current or voltage

DEFINITION

Classification: 205/106

Forming nonmetal coating using specified waveform other than pure DC or 60 Hz sine wave AC (e.g., anodic oxide coating, etc.):

(under subclass 80) Subject matter wherein the electric current is not pure DC or 60 Hz sine wave AC (e.g., stepped voltage, etc.) and where the coating formed is predominantly a nonmetal (e.g., anodic oxide, chromate, Si, phosphate, Se, etc.).

(1) Note. The terminology "nonmetal" is treated as excluding alloys and elemental metal.