US PATENT SUBCLASS 505 / 452
.~.~ And coating or impregnating with melt

Current as of: June, 1999
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505 /   HD   SUPERCONDUCTOR TECHNOLOGY: APPARATUS, MATERIAL, PROCESS

300  DF  PROCESSES OF PRODUCING OR TREATING HIGH TEMPERATURE (Tc GREATER THAN 30 K) SUPERCONDUCTOR MATERIAL OR SUPERCONDUCTOR CONTAINING PRODUCTS OR PRECURSORS THEREOF {24}
450  DF  .~ With melting {2}
452.~.~ And coating or impregnating with melt

DEFINITION

Classification: 505/452

And coating or impregnating with melt:

(under subclass 450) Process wherein a melt is utilized in a step of (a) applying or obtaining on a surface of a substrate a layer of differing composition, or (b) permeating a porous substrate with a material of composition differing from the original substrate.

(1) Note. Melting for vaporization preparatory to vapor deposition coating is excluded from this subclass.

SEE OR SEARCH THIS CLASS, SUBCLASS:

434, for coating of a rod, elongated flattened strip, multilayered elongated rod, coil, or thread.

440, for coating with a sol-gel composition.

446, for coating utilizing an organometallic.

470, for other coating processes.

SEE OR SEARCH CLASS 427, Coating Processes, for coating or impregnating operations involving vapor deposition, immersion, etc.