US PATENT SUBCLASS 501 / 15
.~.~.~ Fusion seals (frit plus material other than glass)

Current as of: June, 1999
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501 /   HD   COMPOSITIONS: CERAMIC

1  DF  CERAMIC COMPOSITIONS {15}
11  DF  .~ Glass compositions, compositions containing glass other than those wherein glass is a bonding agent, or glass batch forming compositions {11}
14  DF  .~.~ Enamels, glazes, or fusion seals (e.g., raw, fritted, or calcined ingredients) {4}
15.~.~.~ Fusion seals (frit plus material other than glass)

DEFINITION

Classification: 501/15

Fusion seals (frit plus material other than glass):

(under subclass 14) Compositions disclosed for use as seals between other ceramic glass, and/or metal components of various devices, and containing a frit plus some other ingredient which is not a glass.

(1) Note. These compositions are sometimes disclosed as glass solders.

SEE OR SEARCH THIS CLASS, SUBCLASS:

17+, for glass compositions containing a frit plus a material other than glass which are not disclosed as seal glasses.