US PATENT SUBCLASS 106 / 287.34
.~ Silicon dioxide containing

Current as of: June, 1999
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106 /   HD   COMPOSITIONS: COATING OR PLASTIC

*  DD  COATING OR PLASTIC COMPOSITIONS {40}
287.34.~ Silicon dioxide containing

DEFINITION

Classification: 106/287.34

Silicon dioxide containing:

(under subclass 1.05) COATING OR PLASTIC COMPOSITIONS (unnumbered subclass preceding ... ) which contain SiO2, per se.

(1) Note. This includes colloidal silicon and silica aerogel.