US PATENT SUBCLASS 264 / 1.23
.~.~ Halogen containing

Current as of: June, 1999
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264 /   HD   PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES

1.1  DF  OPTICAL ARTICLE SHAPING OR TREATING {11}
1.21  DF  .~ Nonresinous material only (e.g., ceramic, etc.) {2}
1.23.~.~ Halogen containing

DEFINITION

Classification: 264/1.23

Halogen containing:

(under subclass 1.21) Processes wherein the nonresinous material contains a halogen, atomic numbers 9, 17, 35, 53, and 85 listed on the periodic table.

(1) Note. The halogens are: Fluorine (F); Chlorine (Cl); Bromine (Br); Iodine (I); Astatine (At).