US PATENT SUBCLASS 501 / 27
.~.~ Glass batch forming compositions (i.e., glass batch compositions)

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}
27.~.~ Glass batch forming compositions (i.e., glass batch compositions) {4}
28  DF  .~.~.~> Slag containing
29  DF  .~.~.~> Pellet or agglomerate containing
30  DF  .~.~.~> Halogen containing
31  DF  .~.~.~> Uncombined silica containing (e.g., sand)

DEFINITION

Classification: 501/27

Glass batch forming compositions (i.e., glass batch compositions):

(under subclass 11) Compositions which are intended to be heated sufficiently for its ingredients to fuse into a glass.

(1) Note. The ingredients of the batch may include a previously prepared glass, such as scrap glass or cullet.

(2) Note. These compositions are sometimes referred to as glass furnace charges.